MASSMUTUAL INSTITUTIONAL FUNDS
N-30D, 1996-09-04
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<PAGE>
TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
<S>                                                         <C>

Letter to Shareholders....................................    1


MassMutual Prime Fund
   Portfolio Manager Report...............................    3
   Portfolio of Investments...............................    4
   Financial Statements...................................    6

MassMutual Short-Term Bond Fund
   Portfolio Manager Report...............................   10
   Portfolio of Investments...............................   12
   Financial Statements...................................   14

MassMutual Core Bond Fund
   Portfolio Manager Report...............................   19
   Portfolio of Investments...............................   21
   Financial Statements...................................   24

MassMutual Balanced Fund
   Portfolio Manager Report...............................   29
   Portfolio of Investments...............................   31
   Financial Statements...................................   35

MassMutual Value Equity Fund
   Portfolio Manager Report...............................   40
   Portfolio of Investments...............................   42
   Financial Statements...................................   45

MassMutual Small Cap Value Equity Fund
   Portfolio Manager Report...............................   50
   Portfolio of Investments...............................   52
   Financial Statements...................................   54

MassMutual International Equity Fund
   Portfolio Manager Report...............................   59
   Portfolio of Investments...............................   61
   Financial Statements...................................   64

Notes to Financial Statements.............................   69
</TABLE>                                                     
<PAGE>
 
MassMutual Institutional Funds - Letter to Shareholders

                                                                   July 31, 1996

To Our
Shareholders

[PHOTO OF STUART H. REESE APPEARS HERE]

"Both the stock and
bond markets have been
decidedly more volatile
during 1996, and we
expect that to continue."

Low Interest Rates Defined Markets Through Year-End '95

To put the first six months of 1996 in perspective, it's helpful to look back
for a moment.  Throughout 1995, concern over how quickly the domestic economic
growth rate was slowing prompted the Federal Reserve (the Fed) to cut interest
rates.  The Fed reduced rates in an effort to prolong the period of expansion at
a slower, but more sustainable rate, thus staving off the possibility of a
recession.

Lower interest rates strongly benefited both the stock and bond markets during
1995.  Stocks did well because lower rates both increased corporate
profitability and encouraged consumer spending, especially on goods that had to
be financed.  Bonds reacted favorably to declining rates because as new bonds
are issued at lower current rates, investors are willing to pay more for the
higher income of existing bonds.

Interest Rates Change Direction On Reports Of Faster Growth in '96

In contrast to last year, when slowing growth was a concern, economic data in
early 1996 suggested that growth had again picked up.  While growth in and of
itself is good, at this point in the economic cycle it could create inflationary
pressures, causing prices of goods and services to increase and consequently
investments to lose their relative value.

Beginning with reports of an increase in non-farm payroll for the month of
February, which was especially surprising considering the difficult winter most
of the country suffered, rapid economic growth became a concern.  This fact
started the investment community discussing not when the Fed might cut rates
further, but rather how far rates might be increased in order to preempt an
inflationary GDP growth rate.

The Stock Market, While Still Positive, Becomes Volatile

Reacting to both increasing interest rates and persistent concerns over whether
reports of faster growth were accurate, the domestic stock market became
volatile over the first half.  Investors alternately focused on the types of
companies that should be able to grow faster than the overall economy, and on
stocks of companies that would benefit from the increased consumer demand that
seemed to be reflected by improving economic statistics.

Smaller company stocks and stocks in traditional growth sectors of the market
performed well at various times, as did cyclical stocks - those of companies
whose prospects are tied to the strength of the economy.

The Bond Market Is Less Resilient

As interest rates climbed over the past six months, the bullish bond market of
1995 dissipated.  Bonds with the most exposure to interest rate changes fared
most poorly.  Long-term Treasuries reported negative price performance for the
period, and the yield curve steepened dramatically.

Bonds with shorter maturities, and bonds that are influenced by other factors
than interest rates - such as corporate bonds, which were buoyed somewhat by
continued corporate profitability - performed somewhat better.

Foreign Markets Offer Opportunity

After lagging during last year's tremendous domestic markets, the case for
foreign stock and bond investments has become more compelling.  In stocks,
prices have generally not reached the highs of 1995's market, driven by the
domestic market.  In addition, the growth rates of many foreign economies have
surpassed the U.S. economic growth rate.  On the bond side, many foreign issues
currently offer both higher income and appreciation potential than do bonds in
the U.S. market, making a strong case for portfolio diversification.

                                                                     (Continued)

                                                                               1
<PAGE>
 
MassMutual Institutional Funds - Letter to Shareholders (Continued)

          Value Investing During Volatile Markets

          Both the stock and bond markets have been decidedly more volatile
          during 1996, and we expect that to continue. Price fluctuations have
          received a great deal of attention in the financial press, and caused
          some discomfort for investors in both markets. However, it is during
          times of market volatility that value investors like us have an
          advantage. When prices are moving steadily higher, value strategies
          tend to underperform because they rely heavily on buying securities
          when they're selling at discounted prices. In a market with price
          fluctuations, astute value investors have the opportunity to purchase
          securities they think will perform well at temporarily reduced prices
          and then profit as the securities return to favor in the market.

          An Optimistic Outlook Regardless of Market Uncertainty

          Regardless of the volatility in the U.S. markets in recent months, we
          think there are compelling reasons to believe the economy is in good
          shape. The economy grew at a real rate of more than three percent
          during the first half of 1996, which is well above what had been
          forecasted. So even with a potentially slower second half, growth will
          have continued at an impressive rate. And though threats of inflation
          are a large factor in the markets' volatility, the core rate of
          inflation, minus increases in the food and energy sectors, is still
          quite low at approximately 2.7 percent.

          The current debate in the markets concerns how the Federal Reserve
          will react to this data, and consequently whether rates will be
          increased. We expect that if the Fed does move to tighten money
          supply, its move will not be a large one. In any event, we intend to
          focus more on inherent strengths and long-term value. It is in an
          environment like this that we'd expect our portfolio strategies to
          perform well.



          /s/ Stuart H. Reese
          Stuart H. Reese
          President
          MassMutual Institutional Funds





2

MassMutual Prime Fund - Portfolio Manager Report

What are the investment        The objective and policies of the Fund are to:  
objective and policies         * maximize current income, consistent with
for the MassMutual               liquidity and preservation of capital         
Prime Fund?                    * invest in a diversified portfolio of money
                                 market instruments
                               * invest in high quality debt instruments with
                                 remaining maturity not to exceed 397 days     
                               Note: This is not a money market fund.           

How has the Fund               We're very pleased with the Fund's performance
performed over the past        for the period. While we continued to offer
six months?                    investors a safe and highly liquid income
                               vehicle, we also benefited from yields that were
                               higher this year than last as a result of
                               increases in interest rates.

How was the Fund               During 1995, when interest rates were declining,
positioned in this             we had lengthened the average maturity of our
market and why?                portfolio in an effort to take advantage of
                               higher rates. In contrast, during the first half
                               of this year, we kept average maturity shorter,
                               replacing shorter-term securities with new issues
                               more often, and on favorable terms as the yield
                               curve steepened. The Fund also benefited from
                               having the majority of holdings, nearly 88
                               percent, invested in Tier 2 commercial paper over
                               the past six months. Tier 2 commercial paper
                               involves slightly more risk than higher-quality
                               Tier 1 commercial paper, but it also offers more
                               competitive yields.

What changes are               As our assets have grown by approximately 10
currently being made to        percent over the past six months, we're working
the portfolio?                 to remain well-diversified among issuers and
                               securities. Because Prime Fund is not a money
                               market fund, we have a greater degree of
                               investment flexibility than pure money funds.
                               This helps us both in terms of the types of
                               securities we can diversify among and in the
                               amount of income we can provide.

                               At this time, most of the newly issued securities
                               in our market are extremely short in maturity.
                               We're looking for ways to extend our average
                               maturity slightly - its June 30th length was 44
                               days - but longer-maturity issues are currently
                               in short supply. As always, we're evaluating and
                               researching all of our investment opportunities
                               in an effort to capture the most income we can in
                               this environment, without taking on unnecessary
                               risk.

What is the outlook for        We believe the outlook remains favorable. U.S.
the Fund?                      economic growth appears to be strong. That fact
                               has given rise to the possibility of a tightening
                               of the money supply, or an increase in interest
                               rates, in an effort to counteract any upward move
                               in inflation. If the Federal Reserve should
                               increase rates later in the year, extremely 
                               short-term income vehicles like this Fund are 
                               one of the few types of investments that would 
                               benefit.Since the income we pay relates directly
                               to prevailing interest rates, a higher rate
                               environment would allow us to pay a higher yield
                               without taking on additional risk.


Growth of a $10,000 Investment
Hypothetical Investments in MassMutual Prime Fund
Classes 1-4 and 91-day Treasury Bills

- -------------------------------------------------------------------------------
<TABLE> 
<CAPTION> 

  Mass Mutual Prime Fund
  Total Return          Year to Date        One Year          Average Annual
                       1/1/96-6/30/96       7/1/95-6/30/96    10/3/94-6/30/96
  <S>                  <C>                  <C>               <C> 
  Class 1                 1.97%               4.23%              4.34%
  Class 2                 2.25%               4.81%              4.95%
  Class 3                 2.42%               5.17%              5.29%
  Class 4                 2.54%               5.41%              5.53%
- -------------------------------------------------------------------------------

  91-Day                  2.44%               5.27%               --
  Treasury Bills
</TABLE> 
- -------------------------------------------------------------------------------

Past performance is not predictive of future results.  The investment return 
and principal value of shares of the Fund will fluctuate with market conditions 
so that shares of the Fund, when redeemed, may be worth more or less than their 
original cost.  Investors should note that the Fund is a professionally managed 
mutual fund, while 91-day Treasury Bills are unmanaged and do not incur 
expenses.

- -------------------------------------------------------------------------------
                GROWTH OF A $10,000 INVESTMENT SINCE INCEPTION

                           [LINE GRAPH APPEARS HERE]

<TABLE> 
<CAPTION> 
                  Class 1     Class 2     Class 3     Class 4     T-Bills
   <S>            <C>         <C>         <C>         <C>         <C> 
   10/3/94        $10,000     $10,000     $10,000     $10,000     $10,000
     12/94         10,096      10,115      10,121      10,126      10,112
      3/95         10,213      10,245      10,260      10,271      10,237
      6/95         10,330      10,337      10,401      10,419      10,384
      9/95         10,444      10,505      10,539      10,563      10,524
     12/95         10,559      10,639      10,680      10,711      10,671
      3/96         10,670      10,763      10,817      10,853      10,797
      6/96         10,767      10,876      10,939      10,982      10,932
</TABLE> 
- --------------------------------------------------------------------------------



                                                                               3
<PAGE>
 
Mass Mutual Prime Fund - Porotfolio Of Investments
<TABLE> 
<CAPTION> 

Portfolio of Investments
June 30,1996 (Unaudited)
                                    Principal
                                      Amount     Market Value
                                    -----------  ------------
<S>                                 <C>          <C>
SHORT-TERM INVESTMENTS -- 100.3%
Commercial Paper -- 91.5%
Airtouch
 Communications, Inc.
 5.480% 7/15/1996                  $10,000,000     9,978,689
Aristar, Inc.
 5.330% 7/17/1996                    7,215,000     7,197,908
Boston Edison
 Company
 5.550% 8/21/1996                    5,925,000     5,878,415
Burlington Northern
 Santa Fe Corporation
 5.550% 9/16/1996                    8,885,000     8,778,163
Carter Holt Harvey
 Limited
 5.500% 9/04/1996                    3,315,000     3,281,340
Carter Holt Harvey
 Limited
 5.550% 7/17/1996                      550,000       548,643
Carter Holt Harvey
 Limited
 5.550% 9/12/1996                    5,645,000     5,580,647
Central and South
 West Corporation
 5.470% 7/11/1996                    1,295,000     1,293,032
Central and South
 West Corporation
 5.500% 7/09/1996                    7,030,000     7,021,408
Cincinnati Bell Inc.
 5.150% 8/20/1996                    3,145,000     3,122,505
Comdisco, Inc.
 5.470% 7/26/1996                    4,910,000     4,891,349
Comdisco, Inc.
 5.480% 7/19/1996                    1,635,000     1,630,520
Comdisco, Inc.
 5.490% 8/13/1996                    4,500,000     4,470,491
ConAgra, Inc.
 5.400% 8/26/1996                    9,100,000     9,023,560
ConAgra, Inc.
 5.600% 10/25/1996                   1,630,000     1,600,481
Cox Enterprises, Inc.
 5.450% 7/29/1996                    4,200,000     4,182,197
 
                                    Principal
                                      Amount     Market Value
                                    -----------  ------------
Cox Enterprises, Inc.
 5.520% 8/05/1996                  $ 7,190,000     7,151,414
Crown Cork & Seal
 Company, Inc.
 5.470% 7/23/1996                    5,135,000     5,117,835
Crown Cork & Seal
 Company, Inc.
 5.480% 7/23/1996                    2,560,000     2,551,427
Dana Credit
 Corporation
 5.500% 7/02/1996                    2,500,000     2,499,618
Dana Credit
 Corporation
 5.500% 7/11/1996                      165,000       164,748
Dana Credit
 Corporation
 5.500% 7/24/1996                    2,185,000     2,177,322
Dana Credit
 Corporation
 5.500% 8/06/1996                    2,736,000     2,720,952
Federal Signal
 Corporation
 5.470% 7/31/1996                    5,975,000     5,947,764
Federal Signal
 Corporation
 5.500% 9/03/1996                    5,700,000     5,643,013
Ford Motor Credit
 Company
 5.350% 7/22/1996                    5,000,000     4,984,397
Illinois Power
 Company
 5.550% 8/14/1996                    4,750,000     4,717,779
Illinois Power
 Company
 5.600% 8/21/1996                    4,285,000     4,251,006
ITT Corporation
 5.580% 9/24/1996                    4,800,000     4,736,296
Kerr-McGee Credit
 Corporation
 5.500% 7/10/1996                   11,500,000    11,484,187
Lockheed Martin
 Corporation
 5.450% 7/30/1996                    2,700,000     2,688,146
 
                                    Principal
                                    Amount       Market Value
                                    -----------  ------------
Mattel, Inc.
 5.480% 8/01/1996                  $ 5,115,000     5,090,863
Mattel, Inc.                       
 5.480% 8/08/1996                    4,440,000     4,414,317
Olin Corporation                   
 5.450% 7/02/1996                    6,985,000     6,983,942
ORIX Credit Alliance,              
 Inc.                              
 5.500% 9/20/1996                    6,100,000     6,022,825
ORIX Credit Alliance,              
 Inc.                              
 5.630% 10/18/1996                   4,760,000     4,679,006
Praxair, Inc.                      
 5.440% 10/21/1996                   5,700,000     5,600,282
Praxair, Inc.                      
 5.480% 10/22/1996                   5,450,000     5,353,817
Public Service                     
 Electric and Gas                  
 Company                           
 5.440% 7/11/1996                    5,195,000     5,187,150
Public Service                     
 Electric and Gas                  
 Company                           
 5.450% 7/12/1996                    4,465,000     4,457,564
Public Service                     
 Electric and Gas                  
 Company                           
 5.470% 7/08/1996                    1,180,000     1,178,745
Ryder System Inc.                  
 5.430% 8/15/1996                    5,000,000     4,966,063 
Service Corporation                
 International                     
 5.480% 7/25/1996                    7,000,000     6,974,427
Textron Financial                  
 Corporation                       
 5.500% 8/12/1996                    9,100,000     9,041,608
Tyson Foods, Inc.                  
 5.450% 8/07/1996                    7,465,000     7,423,186
Tyson Foods, Inc.                  
 5.460% 8/23/1996                    3,365,000     3,337,949
Union Camp                         
 Corporation                       
 5.350% 7/01/1996                      900,000       900,000

                                                                     (Continued)
</TABLE>


4     The accompanying notes are an intrgral part of the finncial statements.
<PAGE>
 
MassMutual Prime Fund - Portfolio of Investments (Continued)
<TABLE>
<CAPTION>
 
                                             Principal
                                              Amount       Market Value
                                          ---------------  ------------
<S>                                       <C>              <C>
Union Pacific
 Corporation
 5.550% 7/26/1996                         $    4,730,000      4,711,770
Union Pacific
 Corporation
 5.570% 8/02/1996                                355,000        353,242
UOP
 5.550% 7/16/1996                              3,500,000      3,491,906
UOP
 5.600% 7/24/1996                              3,875,000      3,861,136
VF Corporation
 5.470% 8/09/1996                              5,980,000      5,944,564
VF Corporation
 5.475% 8/16/1996                              3,865,000      3,837,961
                                                           -------------
                                                            249,127,575


U. S. Government -- 8.8%
U. S. Treasury Bill
 4.785% 8/22/1996                              8,550,000      8,491,935
U. S. Treasury Bill
 4.855% 8/22/1996                              5,590,000      5,552,070
U. S. Treasury Bill
 4.895% 7/18/1996                              5,360,000      5,351,627
U. S. Treasury Bill
 4.900% 9/19/1996                              4,440,000      4,391,907
                                                           -------------
                                                             23,787,539 
                                                           -------------
TOTAL SHORT-TERM
INVESTMENTS                                                 272,915,114 
                                                           ------------- 
(Cost $272,920,522)+                                                      
                                                                          
TOTAL INVESTMENTS -- 100.3%                                 272,915,114 
                                                                          
Other Assets/                                                             
(Liabilities) - (0.3%)                                         (739,310)
                                                          ============== 
NET ASSETS -- 100.0%                                     $  272,175,804 
                                                          ============== 
</TABLE> 

Notes to Portfolio Of Investment
+Aggregate cost for Federal tax purposes (Note 7)
 
 The accompanying notes are an integral part of the financial statements.      5
<PAGE>
 
MassMutual Prime Fund - Financial Statements 

Statement of
Assets and
Liabilities 
<TABLE>
<CAPTION>
                                                               June 30, 1996
                                                                (Unaudited)
                                                               ---------------
<S>                                                            <C>
Assets:
   Short-term investments, at value (cost $272,920,522)........ $  272,915,114
   (Note 2)
   Cash........................................................          4,513
   Receivables from:
    Fund shares sold...........................................        340,378
    Investment manager (Note 3)................................          7,976
                                                                --------------
      Total assets.............................................    273,267,981
                                                                ==============
Liabilities:
  Payables for:
   Fund shares redeemed........................................        959,474
   Directors' fees and expenses (Note 3).......................          2,011
   Affiliates (Note 3):
    Investment management fees.................................        104,061
    Administration fees........................................         18,879
    Service and distribution fees..............................            218
  Accrued expenses and other liabilities.......................          7,534
                                                                --------------
    Total liabilities..........................................      1,092,177
                                                                --------------
  Net assets................................................... $  272,175,804
                                                                ==============
Net assets consist of:
  Paid-in capital.............................................. $  265,302,652
  Undistributed net investment income..........................      6,882.396
  Accumulated net realized loss on investments.................         (3,386)
  Net unrealized depreciation on investments...................         (5,408)
                                                                --------------
                                                                $  272,175,804
                                                                ==============
Net assets:
   Class 1..................................................... $      107,555
                                                                ==============
   Class 2..................................................... $      108,540
                                                                ==============
   Class 3..................................................... $      108,988
                                                                ==============
   Class 4..................................................... $  271,850,721
                                                                ==============
Shares outstanding:
   Class 1.....................................................        698.107
                                                                ==============
   Class 2.....................................................        701.708
                                                                ==============
   Class 3.....................................................        703.035
                                                                ==============
   Class 4.....................................................  1,754,610.155
                                                                ==============

Net asset value, offering price and
redemption price per share:
   Class 1..................................................... $       154.07
                                                                ==============
   Class 2..................................................... $       154.68
                                                                ==============
   Class 3..................................................... $       155.02
                                                                ==============
   Class 4..................................................... $       154.94
                                                                ==============
</TABLE>


6   The accompanying notes are an integral part of the financial statements.
<PAGE>
 
MassMutual Prime Fund - Financial Statements (Continued)

Statement Of  
Operations

<TABLE>
<CAPTION>
                                                                                                             Six months ended
                                                                                                               June 30, 1996
                                                                                                                (Unaudited)
                                                                                                             ---------------
<S>                                                                                                           <C>
           Investment income:
             Interest....................................................................................   $      7,436,760
                                                                                                             ----------------
           Expenses (Note 1):
              Investment management fees (Note 3).........................................................            598,502
              Custody fees................................................................................             13,193
              Audit and legal fees........................................................................              4,202
              Directors' fees (Note 3)....................................................................              5,154
              Fees waived by the investment manager (Note 3)..............................................            (42,766)

                                                                                                             ----------------
                                                                                                                      578,285

              Administration fees (Note 3):
               Class 1....................................................................................                298
               Class 2....................................................................................                274
               Class 3....................................................................................                169
               Class 4....................................................................................            107,867
              Distribution and service fees (Note 3):
               Class 1....................................................................................                344
               Class 2....................................................................................                 80
                                                                                                             ----------------
                Net expenses..............................................................................            687,317
                                                                                                             ----------------
                Net investment income.....................................................................          6,749,443
                                                                                                             ----------------
           Realized and unrealized gain (loss):
              Net realized loss on investment transactions................................................             (1,753)
              Net change in unrealized appreciation (depreciation)
               on investments.............................................................................             14,127
                                                                                                             ----------------

                 Net realized and unrealized gain.........................................................             12,374
                                                                                                             ----------------
              Net increase in net assets resulting from operations........................................       $  6,761,817
                                                                                                             ================
</TABLE> 
<TABLE> 
<CAPTION>
 
Statements of 
Changes in Net
Assets

 
                                                                                Six months ended    
                                                                                  June 30, 1996                Year ended
                                                                                   (Unaudited)              December 31, 1995  
                                                                                -----------------          -------------------
           <S>                                                                  <C>                          <C>               
           Increase (Decrease) in Net Assets:                                                                                   
           Operations:                                                                                                    
             Net investment income ................................................ $  6,749,443              $    12,817,140
             Net realized loss on investment transactions .........................       (1,753)                      (1,781)  
             Net change in  unrealized  appreciation (depreciation)                                          
              on investments ......................................................       14,127                      (15,459)
                                                                                    ------------              ---------------     
              Net increase in net assets resulting from operations ................    6,761,817                   12,799,900
                                                                                    ------------              ---------------  
           Distributions to shareholders (Note 2):                                                           
             From net investment                                                                                            
             Class 1 ..............................................................           --                       (4,178)
             Class 2 ..............................................................           --                       (4,746)
             Class 3 ..............................................................           --                       (5,095)
             Class 4 ..............................................................           --                  (12,693,331)
                                                                                    ------------              ---------------   
              Total distributions from net investment income ......................           --                  (12,707,350)
                                                                                    ------------              ---------------
                                                                                                             
           Net fund share transactions (Note 5):                                                             
             Class 1 ..............................................................           --                        4,178
             Class 2 ..............................................................           --                        4,746
             Class 3 ..............................................................           --                        5,095
             Class 4 ..............................................................   11,159,880                   83,297,102
                                                                                    ------------              ---------------
               Increase in net assets from net fund share transactions ............   11,159,880                   83,311,121
                                                                                    ------------              ---------------    
             Total increase in net assets..........................................   17,921,697                   83,403,671
                                                                                                             
           Net assets:                                                                                                    
             Beginning of period ..................................................  254,254,107                  170,850,436
                                                                                    ------------              ---------------
             End of period (including undistributed net investment income     
              of $6,882,396 and $132,953, respectively) ...........................  272,175,804              $   254,254,107 
                                                                                    ============              =============== 
</TABLE> 
       
7    The accompanying notes are an integral part of the financial statements.
<PAGE>
 
MassMutual Prime Fund Financial Statements (Continued)
  
Financial Highlights
(For a share outstanding throughout each period)
<TABLE> 
<CAPTION> 
                                                                                          Class 1     
                                                                                          -------
                                                                Six months ended                                  
                                                                    6/30/96              Year ended           Period ended  
                                                                  (Unaudited)             12/31/95             12/31/94 **  
                                                                  ----------             ---------             -----------  
       <S>                                                        <C>                    <C>                 <C>          
       Net asset value, beginning of period                       $   151.05             $  150.39              $  150.00     
                                                                  ----------             ---------              ---------    
       Income (loss) from investment operations:                                                                              
            Net investment income                                       2.99                  6.90 ***               1.02     
            Net realized and unrealized gain  (loss) on                                                                       
             investments                                                0.03                 (0.01)                  0.42     
                                                                  ----------             ---------              ---------    
              Total income (loss) from investment operations            3.02                  6.89                   1.44     
                                                                  ----------             ---------              ---------    
       Less distributions to shareholders:                                                                                    
            From net investment income                                    --                 (6.23)                 (1.05)    
                                                                  ----------             ---------              ---------    
       Net asset value, end of period                             $   154.07             $  151.05              $  150.39    
                                                                  ==========             =========              =========    
       Total Return                                                     1.97%                 4.58%                  0.96%   
                                                                                                                             
       Ratios/Supplemental  Data:                                                                                          
                                                                                                                             
        Net assets, end of period (000's)                               $108                  $105                   $101    
        Net expenses to average daily net assets#                       1.65%*                1.65%                  1.65%*   
        Net investment income to average daily net assets               3.94%*                4.48%                  4.07%*   

          #Computed after giving effect to the reduction in                                                                   
           management fee by MassMutual. Without this reduction of                                                              
           fees by the investment manager, the ratio of expenses                                                               
           to average daily net assets would have been:                 1.68%*                1.68%                  1.69%*    


                                                                                          Class 2     
                                                                                          -------
                                                                Six months ended                                  
                                                                    6/30/96               Year ended         Period ended  
                                                                  (Unaudited)              12/31/95           12/31/94 **  
                                                                  -----------            ------------        -----------
       Net asset value, beginning of period                       $     151.24           $     150.56        $    150.00
                                                                  ------------           ------------        ----------- 
       Income (loss) from investment operations:
            Net investment income                                         3.42                   7.78 ***           1.16
            Net realized and unrealized gain
             (loss) on investments                                        0.02                  (0.02)              0.57
                                                                   -----------              ---------          --------- 
             Total income (loss) from investment operations               3.44                   7.76               1.73
                                                                   ===========            ===========          =========

       Less distributions to shareholders:                         
            From net investment income                                      --                  (7.08)             (1.17)   
                                                                   -----------              ---------          --------- 
       Net asset value, end of period                            $      154.68           $     151.24        $    150.56    
                                                                   ===========            ===========          =========
       Total Return                                                       2.25%                  5.16%              1.15%   
   
       Ratios/Supplemental  Data:         
                                            
        Net assets, end of period (000's)                                 $109                   $106               $101    
        Net expenses to average daily net assets#                         1.10%*                 1.10%              1.10%*
        Net investment income to average daily net assets                 4.49%*                 5.03%              4.62%* 

          #Computed after giving effect to the reduction in                    
           management fee by MassMutual. Without this reduction of             
           fees by the investment manager, the ratio of expenses               
           to average daily net assets would have been:                   1.13%*                 1.13%              1.14%*     
</TABLE>

        All per share amounts for the period have been restated to reflect a 
        1-for-15 reverse stock split effective December 16, 1994.
       *Annualized
       **For the period from October 3, 1994 (commencement of operations)
         through December 31, 1994.
       ***Per share amount calculated on the average shares method, which more
          appropriately presents the per share data for the period since the use
          of the undistributed income method does not accord with the results of
          operations.
          
    The accompanying notes are an integral part of the financial statements
8       
<PAGE>
 
MassMutual Prime Fund - Financial Statements (Continued)

Financial Highlights
(For a share outstanding throughout each period)
<TABLE>
<CAPTION>
                                                                                             Class 3     
                                                                                             -------
                                                                Six months ended                                  
                                                                    6/30/96              Year ended          Period ended  
                                                                  (Unaudited)             12/31/95            12/31/94 **  
                                                                  ----------             ---------           ------------  
       <S>                                                        <C>                     <C>                    <C>         
       Net asset value, beginning of period                       $   151.32             $  150.61              $  150.00    
                                                                  ----------             ---------              ---------   
       Income (loss) from investment operations:                                                                             
            Net investment income                                       3.69                  8.33 ***               1.21    
            Net realized and unrealized gain  (loss) on                                                                      
             investments                                                0.01                 (0.01)                  0.61    
                                                                  -----------            ---------              ---------   
              Total income (loss) from investment operations            3.70                  8.32                   1.82    
                                                                  -----------            ---------              ---------   
       Less distributions to shareholders:                                                                                   
            From net investment income                                    --                 (7.61)                 (1.21)   
                                                                  -----------            ---------              ---------   
       Net asset value, end of period                             $   155.02           $    151.32              $  150.61   
                                                                  ===========          ===========              =========   
       Total Return                                                     2.42%                 5.53%                  1.21%   
                                                                                                                            
       Ratios/Supplemental  Data:                                                                                         
                                                                                                                            
        Net assets, end of period (000's)                         $      109            $      106              $     101   
        Net expenses to average daily net assets#                       0.75%*                0.75%                  0.75%*  
        Net investment income to average daily net assets               4.84%*                5.38%                  4.99%*   
      
          #Computed after giving effect to the reduction in                                                                  
          management fee by MassMutual. Without this reduction of                                                              
          fees by the investment manager, the ratio of expenses                                                              
          to average daily net assets would have been:                  0.78%*                0.78%                  0.79%*   


                                                                                             Class 4     
                                                                                             -------
                                                                Six months ended                                  
                                                                    6/30/96              Year ended          Period ended  
                                                                  (Unaudited)             12/31/95            12/31/94 **  
                                                                  -----------            ----------          ------------  
       Net asset value, beginning of period                      $     151.06          $     150.36           $    150.00    
                                                                 ------------          ------------           -----------    
       Income (loss) from investment operations:                                                                             
            Net investment income                                        3.84                  8.70 ***              1.55    
            Net realized and unrealized gain                                                                                 
             (loss) on investments                                       0.04                 (0.02)                 0.34    
                                                                  -----------             ---------             ---------    
             Total income (loss) from investment operations              3.88                  8.68                  1.89    
                                                                  -----------           -----------             ---------    
                                                                                                                             
       Less distributions to shareholders:                                                                                   
            From net investment income                                     --                 (7.98)                (1.53)   
                                                                  -----------             ---------             ---------    
       Net asset value, end of period                            $     154.94          $     151.06           $    150.36    
                                                                  ===========           ===========             =========    
       Total Return@                                                     2.54%                 5.78%                 1.26%   
                                                                                                                             
       Ratios/Supplemental  Data:                                                                                          
                                                                                                                             
        Net assets, end of period (000's)                        $   271,8519          $    253,936           $   170,548    
        Net expenses to average daily net assets#                      0.5160%*              0.5160%               0.5160%*  
        Net investment income to average daily net assets                5.08%*                5.61%                 5.01%*  

          #Computed after giving effect to the reduction in                                                                   
          management fee by MassMutual. Without this reduction of                                                             
          fees by the investment manager, the ratio of expenses                                                               
          to average daily net assets would have been:                 0.5481%*              0.5468%               0.5605%*    
</TABLE>

       All per share amounts for the period have been restated to reflect a 
       1-for-15 reverse stock split effective December 16, 1994.
       *Annualized
       **For the period from October 3, 1994 (commencement of operations)
         through December 31, 1994.
       ***Per share amount calculated on the average shares method, which more
          appropriately presents the per share data for the period since the use
          of the undistributed income method does not accord with the results of
          operations.
       @Employee retirement benefit plans that invest plan assets in the
        Separate Investment Accounts (SIAs) may be subject to certain charges as
        set forth in their respective Plan Documents. Total return figures would
        be lower for the periods presented if they reflected these charges.


    The accompanying notes are an integral part of the financial statement     9
<PAGE>
 
MassMutual Short-Term Bond Fund - Portfolio Manager Report



What are the investment       The objective and policies of the Fund are to: 
objective and policies 
for the MassMutual            * achieve high total rate of return from current
Short-Term Bond                 income while minimizing fluctuations in capital
Fund?                           values 
                       
                              * invest primarily in a diversified portfolio of 
                                short-term, investment-grade, fixed-income 
                                securities 

                              * manage duration to seek the best yield, while 
                                maintaining duration below three years to 
                                reduce volatility 

                              * diversify investments among market sectors on 
                                the basis of relative value

How has the Fund              The Fund performed well. Our low-volatility
performed over the past       investment strategy allowed us to report a
six months?                   positive return for a period during which rising
                              interest rates caused many longer-term and riskier
                              bond investments to suffer price declines.

What effect did rising        The rise in interest rates and consequent
interest rates have on        steepening of the yield curve we saw over the past
the portfolio?                six months were most pronounced in bonds with
                              maturities between 3 months and 10 years. The
                              shape of the yield curve, a tool we use to
                              position our portfolio, steepened resulting in our
                              lengthening the portfolio duration. We moved
                              closer to the maximum duration of 3 years in an
                              effort to capture the more attractive yields
                              available in that range.

What investment               With rising interest rates causing a steepening in
decisions were made to        the yield curve, so that the additional yield
take advantage of the         available from owning longer-maturity bonds had
changes in the bond           increased over the period, we altered our
market?                       investment allocation in several ways. As of year-
                              end 1995, when the yield curve was relatively
                              flat, we had sold all of our Treasuries in favor
                              of shorter-term money market securities. We
                              reversed that position this period, reducing our
                              money market holdings to 28.1 percent, and
                              increasing our Treasuries to 34.2 percent to take
                              advantage of the significantly better yields they
                              offered.

                              In addition, we added to our holdings of mortgage-
                              backed securities over the period. By focusing on
                              mortgage securities that were either "well-
                              seasoned" or had built-in call protection, we were
                              able both to increase yields and lock in income.

What areas of the             Our investment strategy is built around capturing
current market seems to       the most yield available from the market without
offer the most value?         taking on a high degree of risk. As such, we
                              always emphasize higher credit quality bonds in
                              the short-to-intermediate maturity range.

                              At this time, we believe there are still yield
                              advantages to be gained from investing in 
                              mortgage-backed securities. In addition, we
                              expect that corporate bonds will continue to 
                              perform well. Corporate profitability endured 
                              though the economy slowed at the end of 1995, and
                              should continue now that it appears that growth 
                              has again picked up.

What is the outlook for       As we move through the remainder of the year, we
the Fund?                     expect the Fund to continue to meet its objective
                              of providing competitive income with limited risk
                              to capital. Because the economy seems to have
                              gained resilience at a time when many expected it
                              to slow, we believe there is a good chance that
                              interest rates could be increased somewhat. When
                              rates rise, as they did over the past six months
                              even without action by the Federal Reserve, it
                              tends to hurt bond prices. Should rates increase
                              further, however, our short duration should limit
                              our exposure to interest rate risk and benefit the
                              Fund.


10
<PAGE>
 
    MassMutual Short-Term Bond Fund - Portfolio Manager Report (Continued)

- -------------------------------------------------------------------------------
Growth of a $10,000 Investment
Hypothetical Investments in MassMutual Short-Term Bond Fund Classes 1-4 and the
Lehman Brothers 1-3 Year Government Bond Index

<TABLE> 
<CAPTION> 
                                 
MassMutual Short-Term Bond Fund  
Total Return             Year to Date       One Year      Average Annual
                        1/1/96-6/30/96   7/1/95-6/30/96   10/3/94-6/30/96
<S>                     <C>              <C>              <C>                   <C> 
Class 1                      1.18%            4.05%             6.54%           $11,380 Class 4
Class 2                      1.47%            4.60%             7.08%           $11,346 Class 3
Class 3                      1.67%            5.05%             7.53%           $11,264 Class 2
Class 4                      1.67%            5.21%             7.71%           $11,244 Lehman
- -------------------------------------------------------------------------               1-3 Yr.
Lehman Brothers              1.42%            5.46%               -             $11,165 Class 1
1-3 Year
Government Bond Index
</TABLE> 

Past performance is not predictive of future results.  The investment return and
principal value of shares of the Fund will fluctuate with market conditions so 
that shares of the Fund, when redeemed, may be worth more or less than their 
original cost.  Investors should note that the Fund is a professionally managed 
mutual fund, while the Lehman Brothers 1-3 Year Government Bond Index is 
unmanaged and does not incur expenses.

                GROWTH OF A $10,000 INVESTMENT SINCE INCEPTION

    [GRAPH OF GROWTH OF A $10,000 INVESTMENT SINCE INCEPTION APPEARS HERE]

<TABLE> 
<CAPTION> 
                    Class 1   Class 2   Class 3   Class 4  Lehman 1-3 Yr.
<S>                 <C>       <C>       <C>       <C>      <C> 
10/3/94             $10,000   $10,000   $10,000   $10,000      $10,000 
  12/94               9,983     9,991    10,013    10,013       10,002
   3/95              10,337    10,355    10,386    10,389       10,334
   6/95              10,730    10,769    10,801    10,816       10,661
   9/95              10,852    10,911    10,953    10,979       10,820
  12/95              11,035    11,101    11,160    11,192       11,086
   3/96              11,090    11,177    11,247    11,281       11,127
   6/96              11,165    11,264    11,346    11,380       11,244
- -------------------------------------------------------------------------------
</TABLE> 

- -------------------------------------------------------------------------------
Quality Structure (6/30/96)
MassMutual Short-Term Bond Fund

 [PIE-CHART OF QUALITY STRUCTURE MASSMUTUAL SHORT-TERM BOND FUND APPEARS HERE]

<TABLE> 
<CAPTION> 
U.S Governments Cash Equivalents
<S>                     <C> 
Aaa/AAA                 90.7%
Baa/BBB                  5.1
A/A                      4.2
- -------------------------------------------------------------------------------
</TABLE> 

- -------------------------------------------------------------------------------
Duration Diversification (6/30/96)
MassMutual Short-Term Bond Fund

Average Duration = 2.72 years

    [PIE-CHART OF DURATION DIVERSIFICATION MASSMUTUAL SHORT-TERM BOND FUND 
                                 APPEARS HERE]

<TABLE> 
<S>                      <C> 
Less-than 1 year         44.2%
3-5 years                34.6 
5-7 years                13.6
1-3 years                 7.6 
</TABLE> 
- -------------------------------------------------------------------------------
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Short-Term Bond Fund - Portfolio of Investments
- --------------------------------------------------------------------------------

Portfolio of Investments
June 30, 1996 (Unaudited)

                                      Principal
                                       Amount       Market Value
                                       ------       ------------
<TABLE>
<CAPTION>
BONDS & NOTES - 70.7%
ASSET BACKED SECURITIES -- 5.1%
<S>                                    <C>          <C>
Ford Credit 1994-B                  
 Grantor Trust                      
 7.300% 10/15/1999                     $   488,805  $    494,148
Ford Credit Auto                    
 Loan Master Trust,                 
 Series 1992-1                      
 6.875% 1/15/1999                        1,500,000     1,507,500
Honda Auto                          
 Receivables 1992-A                 
 Grantor Trust                      
 4.900% 6/15/1998                          101,318       100,938
Nissan Auto                         
 Receivables 1994-A                 
 Grantor Trust                      
 6.450% 9/15/1999                          915,787       918,076
Railcar Trust No.                   
 1992-1                             
 7.750% 6/01/2004                        1,231,605     1,274,711
World Omni 1996-A                   
 Automobile Lease                   
 Securitization Trust               
 6.300% 6/25/2002                        2,500,000     2,498,400
                                                    ------------     
TOTAL ASSET BACKED                  
SECURITIES                                             6,793,773
                                                    ------------     
(Cost $6,780,922)                   

CORPORATE DEBT -- 9.2%              
Analog Devices, Inc.                
 6.625% 3/01/2000                        1,000,000       977,010
Bell Atlantic Financial             
 Services, Inc.                     
 6.610% 2/07/2000                        2,000,000     1,995,000
Ford Motor Credit                   
 Company                            
 9.350% 6/10/1997                        1,000,000     1,028,600
General American                    
 Transportation                     
 Corporation                        
 6.750% 3/01/2006                        1,000,000       951,080
General Motors                      
 Acceptance                         
 Corporation                        
 8.000% 10/01/1996                       1,500,000     1,507,740
NYNEX Capital
 Funding Company
 7.450% 5/01/1997                        1,000,000     1,010,690
Polaroid Corporation                    
 7.250% 1/15/1997                        1,500,000     1,507,455
W.R. Grace & Co.                        
 7.250% 7/15/1997                        2,000,000     2,019,940
W.R. Grace & Co.                        
 8.000% 8/15/2004                        1,240,000     1,291,584
                                                    ------------
TOTAL CORPORATE DEBT                                  12,289,099
                                                    ------------
(Cost $12,190,986)

U.S. GOVERNMENT
AGENCY OBLIGATIONS -- 22.2%
Federal Home Loan Mortgage Corporation (FHLMC) -- 3.4%
Collateralized Mortgage Obligations -- 2.9%
FHLMC Series 1693
 Class G
 6.000% 7/15/2007                        2,000,000     1,913,740
FHLMC Series 1704                        
 Class PE                                
 6.000% 7/15/2007                        2,000,000     1,956,240
                                                    ------------
                                                       3,869,980
                                                    ------------ 

Pass-Through Securities -- 0.5%
FHLMC
 4.750% 2/01/1997 -
        9/01/2006                          649,694       616,389
                                                    ------------ 
                                                       4,486,369
                                                    ------------  

Federal National Mortgage Association
(FNMA) -- 4.9%
Collateralized Mortgage Obligations -- 3.4%
FNMA Series 1992-86
 Class C
 7.000% 6/25/2003                          177,595       177,428
FNMA Series 1993-175                       
 Class PL                                  
 5.000% 10/25/2002                       2,000,000     1,978,120
FNMA Series 1993-71                        
 Class PG                                  
 6.250% 7/25/2007                        2,500,000     2,425,775
                                                    ------------  
                                                       4,581,323
                                                    ------------ 

Pass-Through Securities -- 1.5%
FNMA
 8.000% 5/01/2013                          984,468     1,009,562
FNMA                                     
 9.000% 10/01/2009                         943,133       991,723
                                                    ------------   
                                                       2,001,285
                                                    ------------   
                                                       6,582,608
                                                    ------------ 

Government National Mortgage Association (GNMA) --
 1.5%
Pass-Through Securities
GNMA
 8.000% 5/15/2001 -
       11/15/2007                        1,980,264     2,031,018
                                                    ------------ 

U.S. Government Guaranteed Notes -- 12.4%
1991-A Jacksonville,
 FL
 8.400% 8/01/1997                        1,150,000     1,175,875
1991-A St. Louis, MO                     
 8.400% 8/01/1997                        3,350,000     3,425,375 
1994-A Baxter                            
 Springs, KS                             
 6.310% 8/01/2001                          500,000       488,515
1994-A Detroit, MI                       
 6.310% 8/01/2001                          450,000       439,664
1994-A Jacksonville,                     
 FL                                      
 6.310% 8/01/2001                        1,485,000     1,450,890
1994-A Los Angeles                       
 County, CA                              
 6.310% 8/01/2001                          225,000       219,832
1994-A Tacoma, WA                        
 6.310% 8/01/2001                          195,000       190,521
1994-A Trenton, NJ                       
 6.310% 8/01/2001                          144,999       141,667
U.S. Dept. of Housing                    
 and Urban                               
 Development, Series                     
 1995-A                                  
 7.710% 8/01/1996                        4,000,000     4,005,440

                                                     (Continued)
</TABLE>
    The accompanying notes are an integral part of the financial statements

12
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Short-Term Bond Fund - Portfolio of Investments (Continued)
- --------------------------------------------------------------------------------

                                      Principal
                                       Amount       Market Value
                                       ------       ------------
<TABLE>
<CAPTION>
<S>                                    <C>          <C>            
U.S. Dept. of Housing
 and Urban
 Development, Series
 1995-A
 8.080% 8/01/1998                      $ 3,000,000  $  3,097,500
U.S. Dept. of Housing
 and Urban
 Development, Series
 1996-A
 6.440% 8/01/1999                        2,000,000     1,997,500
                                                    ------------    
                                                      16,632,779
                                                    ------------    

TOTAL U.S. GOVERNMENT
AGENCY OBLIGATIONS                                    29,732,774
(Cost $29,310,300)                                  ------------    
U.S. TREASURY OBLIGATIONS --
 34.2%
U.S. Treasury Notes
U.S. Treasury Note
 6.375% 8/15/2002                       30,300,000    30,058,509
U.S. Treasury Note
 7.250% 5/15/2004                       15,200,000    15,748,568

TOTAL U.S. TREASURY
OBLIGATIONS                                           45,807,077
(Cost $46,368,507)                                  ------------    

TOTAL BONDS & NOTES                                   94,622,723
(Cost $94,650,715)                                  ------------    

SHORT-TERM INVESTMENTS -- 28.1%
Commercial Paper
Central and South
 West Corporation
 5.470% 7/19/1996                        4,950,000     4,936,462
ConAgra, Inc.                                          
 5.550% 8/07/1996                        5,800,000     5,766,916
Cox Enterprises, Inc.                                  
 5.490% 8/05/1996                        4,900,000     4,873,846
Eastman Chemical
 Company
 5.520% 7/08/1996                          203,000       202,782
Illinois Power
 Company
 5.470% 7/25/1996                        5,050,000     5,031,584
Public Service                                       
 Electric and Gas                                    
 Company                                             
 5.460% 7/11/1996                        2,925,000     2,920,564
Ryder System Inc.                                    
 5.630% 7/31/1996                        2,695,000     2,682,356
Sundstrand                                           
 Corporation                                         
 5.500% 7/23/1996                        3,150,000     3,139,413
Texas Utilities                                      
 Electric Company                                    
 5.520% 7/15/1996                        5,325,000     5,313,569
UOP                                                  
 5.550% 7/09/1996                        2,860,000     2,856,473
                                                    ------------  
TOTAL SHORT-TERM
INVESTMENTS                                           37,723,965
(At Amortized Cost)                                 ------------ 

TOTAL INVESTMENTS -- 98.8%                           132,346,688
(Cost $132,374,680)+

Other Assets/
(Liabilities) - 1.2%                                   1,556,294 
                                                    ------------  
NET ASSETS -- 100.0%                                $133,902,982
                                                    ------------  
Notes to Portfolio of Investments
</TABLE> 

+ Aggregate cost for Federal tax purposes (Note 7)
 
The accompanying notes are an integral part of the financial statements 

                                                                              13
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Short-Term Bond Fund - Financial Statements
- --------------------------------------------------------------------------------
Statement of
Assets and 
Liabilities
                                                             June 30, 1996
                                                              (Unaudited)
                                                             -------------
Assets:
 Investments, at value (cost $94,650,715) (Note 2)........   $  94,622,723
 Short-term investments, at amortized cost (Note 2).......      37,723,965
                                                             -------------
  Total Investments.......................................     132,346,688
 Cash.....................................................           4,892
 Receivables from:
  Fund shares sold........................................          13,376
  Interest................................................       1,721,025
  Investment manager (Note 3).............................           3,352
                                                             -------------
   Total assets...........................................     134,089,333
                                                             -------------

Liabilities:
 Payables for:
  Fund shares redeemed....................................         119,217
  Directors' fees and expenses (Note 3)...................           2,011
  Affiliates (Note 3):
   Investment management fees.............................          48,363
   Administration fees....................................           8,509
   Service and distribution fees..........................             227
   Accrued expenses and other liabilities.................           8,024
                                                             -------------
    Total liabilities.....................................         186,351
                                                             -------------
   Net assets.............................................   $ 133,902,982
                                                             =============
Net assets consist of:
 Paid-in capital..........................................   $ 130,097,644
 Undistributed net investment income......................       3,735,716
 Accumulated net realized gain on investments.............          97,614
 Net unrealized depreciation on investments...............         (27,992)
                                                             -------------
                                                             $ 133,902,982
                                                             =============

Net assets:
 Class 1..................................................   $     112,357
                                                             =============
 Class 2..................................................   $     113,385
                                                             =============
 Class 3..................................................   $     113,909
                                                             =============
 Class 4..................................................   $ 133,563,331
                                                             =============

Shares outstanding:
 Class 1..................................................          10,896
                                                             =============
 Class 2..................................................          10,960
                                                             =============
 Class 3..................................................          10,974
                                                             =============
 Class 4..................................................      12,932,033
                                                             =============

Net asset value, offering price and
redemption price per share:
 Class 1..................................................   $       10.31
                                                             =============
 Class 2..................................................   $       10.35
                                                             =============
 Class 3..................................................   $       10.38
                                                             =============
 Class 4..................................................   $       10.33
                                                             =============

   The accompanying notes are an integral part of the financial statements.

14
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Short-Term Bond Fund - Financial Statements (Continued)
- --------------------------------------------------------------------------------
Statement of 
Operations

<TABLE> 
<CAPTION> 
                                                           Six months ended
                                                             June 30, 1996
                                                              (Unaudited)
                                                             -------------
<S>                                                          <C> 
Investment income:
 Interest..................................................  $   3,996,878
                                                             -------------
Expenses (Note 1):
 Investment management fees (Note 3).......................        285,214
 Custody fees..............................................         10,225
 Audit and legal fees......................................          2,043
 Directors' fees (Note 3)..................................          5,154
 Fees waived by the investment manager (Note 3)............        (23,253)
                                                             -------------
                                                                   279,383

Administration fees (Note 3):
 Class 1...................................................            309
 Class 2...................................................            283
 Class 3...................................................            173
 Class 4...................................................         49,433
Distribution and service fees (Note 3):
 Class 1...................................................            359
 Class 2...................................................             84
                                                             -------------
  Net expenses.............................................        330,024
                                                             -------------
  Net investment income....................................      3,666,854
                                                             -------------

Realized and unrealized gain (loss):
 Net realized gain on investment transactions..............         26,149
 Net change in unrealized appreciation (depreciation)
  on investments...........................................     (1,430,423)
                                                             -------------
   Net realized and unrealized loss........................     (1,404,274)
                                                             -------------
 Net increase in net assets resulting from operations......  $   2,262,580
                                                             ============= 
</TABLE> 
    The accompanying notes are an integral part of the financial statements.

                                                                              15
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Short-Term Bond Fund - Financial Statements (Continued)
- --------------------------------------------------------------------------------

Statements of
Changes in Net 
Assets

<TABLE>
<CAPTION>
                                              Six months ended
                                               June 30, 1996        Year ended
                                                (Unaudited)      December 31, 1995
                                               -------------      ---------------
<S>                                           <C>                  <C>
Increase (Decrease) in Net Assets:                           
Operations:                                                  
 Net investment income........................ $    3,666,854     $     7,424,141
 Net realized gain on investment                                     
  transactions................................         26,149           2,489,218
 Net change in unrealized appreciation                               
  (depreciation) on investments...............     (1,430,423)          2,855,699
                                                -------------     ---------------
  Net increase in net assets resulting                       
  from operations.............................      2,262,580          12,769,058
                                                -------------     ---------------
Distributions to shareholders (Note 2):                      
 From net investment income:                                 
 Class 1......................................             --              (5,481)
 Class 2......................................             --              (6,066)
 Class 3......................................             --              (6,421)
 Class 4......................................             --          (7,354,246)
                                                -------------     ---------------
  Total distributions from net investment                    
   income.....................................             --          (7,372,214)
                                                -------------     ---------------
 From net realized gains:                                    
 Class 1......................................             --              (2,049)
 Class 2......................................             --              (2,050)
 Class 3......................................             --              (2,046)
 Class 4......................................             --          (2,256,969)
                                                -------------     ---------------
  Total distributions from net realized gains.             --          (2,263,114)
                                                -------------     ---------------
Net fund share transactions (Note 5):                         
 Class 1......................................             --               7,530
 Class 2......................................             --               8,116
 Class 3......................................             --               8,467
 Class 4......................................      8,401,528          12,933,618
                                                -------------     ---------------
  Increase in net assets from                                
   net fund share transactions................      8,401,528          12,957,731
                                                -------------     ---------------
 Total increase in net assets.................     10,664,108          16,091,461
                                                -------------     ---------------
Net assets:                                                  
 Beginning of period..........................    123,238,874         107,147,413
                                                -------------     ---------------
 End of period (including undistributed                      
  net investment income  of $3,735,716                       
  and $68,862, respectively).................. $  133,902,982     $   123,238,874
                                                =============     ===============
</TABLE> 

   The accompanying notes are an integral part of the financial statements.

16
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Short-Term Bond Fund - Financial Statements (Continued)
- --------------------------------------------------------------------------------

Financial Highlights
(For a share outstanding throughout each period)

<TABLE>
<CAPTION>
                                                                  Class 1
                                                                -----------
                                              Six months ended
                                                   6/30/96       Year ended     Period ended
                                                 (Unaudited)      12/31/95       12/31/94**
                                                 ----------      ----------      ----------
<S>                                           <C>                <C>            <C>
Net asset value, beginning of period             $   10.19       $    9.89       $   10.00
                                                 ----------      ----------      ----------

Income (loss) from investment operations:
 Net investment income                                0.24            0.55            0.09
 Net realized and unrealized gain (loss)
  on investments                                     (0.12)           0.49           (0.11)
                                                 ----------      ----------      ----------
Less distributions to shareholders:
 From net investment income                             --           (0.54)          (0.09)
 From net realized gains                                --           (0.20)             --
                                                 ----------      ----------      ----------
   Total distributions                                  --           (0.74)          (0.09)
                                                 ----------      ----------      ----------
Net asset value, end of period                   $   10.31       $   10.19       $    9.89
                                                 ==========      ==========      ==========
Total Return                                          1.18%          10.54%          (0.17)%

Ratios/Supplemental Data:
 
 Net assets, end of period (000's)                    $112            $111            $100
 Net expenses to average daily net
  assets#                                             1.65%*          1.65%           1.65%*
 Net investment income to average
  daily net assets                                    4.66%*          5.20%           5.45%*
 Portfolio turnover rate                                14%            114%             15%
   
   #Computed after giving effect to the
    reduction in management fee by
    MassMutual. Without this reduction of
    fees by the investment manager, the
    ratio of expenses to average daily
    net assets would have been:                       1.68%*          1.68%           1.70%*

<CAPTION>
                                                                  Class 2
                                                                -----------
                                              Six months ended
                                                   6/30/96       Year ended     Period ended
                                                 (Unaudited)      12/31/95       12/31/94**
                                                 ----------      ----------      ----------
<S>                                           <C>                <C>            <C>
Net asset value, beginning of period             $   10.19       $    9.89       $   10.00
                                                 ----------      ----------      ----------
Income (loss) from investment operations:
 Net investment income                                0.27            0.61            0.10
 Net realized and unrealized gain (loss)
  on investments                                     (0.11)           0.49           (0.11)
                                                 ----------      ----------      ----------
   Total income (loss) from investment
    operations                                        0.16            1.10           (0.01)
                                                 ----------      ----------      ----------
Less distributions to shareholders:
 From net investment income                             --           (0.60)          (0.10)
 From net realized gains                                --           (0.20)             --
                                                 ----------      ----------      ----------
   Total distributions                                  --           (0.80)          (0.10)
                                                 ----------      ----------      ----------
Net asset value, end of period                   $   10.35       $   10.19       $    9.89
                                                 ==========      ==========      ==========
Total Return                                          1.47%          11.11%          (0.09)%

Ratios/Supplemental Data:

 Net assets, end of period (000's)                    $113            $112            $101
 Net expenses to average daily net
  assets#                                             1.10%*          1.10%           1.10%*
 Net investment income to average
  daily net assets                                    5.21%*          5.75%           5.99%*
 Portfolio turnover rate                                14%            114%             15%

   #Computed after giving effect to the
    reduction in management fee by
    MassMutual. Without this reduction of
    fees by the investment manager, the
    ratio of expenses to average daily
    net assets would have been:                       1.13%*          1.13%           1.15%*
</TABLE>

*Annualized
**For the period from October 3, 1994 (commencement of operations) through
  December 31, 1994.

   The accompanying notes are an integral part of the financial statements.

                                                                              17
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Short-Term Bond Fund - Financial Statements (Continued)
- --------------------------------------------------------------------------------

Financial Highlights
(For a share outstanding throughout each period)

<TABLE> 
<CAPTION>                                                                                    
                                                                  Class 3                    
                                                                -----------                  
                                              Six months ended                               
                                                   6/30/96       Year ended     Period ended 
                                                 (Unaudited)      12/31/95       12/31/94**  
                                                 ----------      ----------      ----------   
<S>                                           <C>                <C>            <C>
Net asset value, beginning of period             $   10.21       $    9.91       $   10.00
                                                 ----------      ----------      ----------
Income (loss) from investment operations:
 Net investment income                                0.28            0.64            0.10
 Net realized and unrealized gain (loss)                        
  on investments                                     (0.11)           0.49           (0.09) 
                                                 ----------      ----------      ----------
   Total income (loss) from investment                
    operations                                        0.17            1.13            0.01 
                                                 ----------      ----------      ----------
Less distributions to  shareholders:
 From net investment income                             --           (0.63)          (0.10)
 From net realized gains                                --           (0.20)             --
                                                 ----------      ----------      ----------
   Total distributions                                  --           (0.83)          (0.10)
                                                 ----------      ----------      ----------
Net asset value, end of period                   $   10.38       $   10.21       $    9.91
                                                 ==========      ==========      ==========
Total Return                                          1.67%          11.46%           0.13%
Ratios / Supplemental Data:
 Net assets, end of period (000's)                    $114            $112            $100
 Net expenses to average daily net assets#            0.75%*          0.75%           0.75%*
 Net investment income to average daily               
  net assets                                          5.55%*          6.10%           6.36%* 
 Portfolio turnover rate                                14%            114%             15%
   #Computed after giving effect to the 
    reduction in management fee by 
    MassMutual. Without this reduction of
    fees by the investment manager, the ratio 
    of expenses to average daily net assets                  
    would have been:                                  0.78%*          0.78%           0.80%* 
 

<CAPTION>                                                                                    
                                                                  Class 4                    
                                                                -----------                  
                                              Six months ended                               
                                                   6/30/96       Year ended     Period ended 
                                                 (Unaudited)      12/31/95       12/31/94**  
                                                 ----------      ----------      ----------   
<S>                                           <C>                <C>            <C>
Net asset value, beginning of period             $   10.15       $    9.85       $   10.00
                                                 ----------      ----------      ----------   
Income (loss) from investment operations:
 Net investment income                                0.28            0.66            0.16
 Net realized and unrealized gain (loss)                                    
  on investments                                     (0.10)           0.50           (0.15) 
                                                 ----------      ----------      ----------   
   Total income (loss) from investment                            
    operations                                        0.18            1.16            0.01 
                                                 ----------      ----------      ----------   
Less distributions to shareholders:
 From net investment income                             --           (0.66)          (0.16)
 From net realized gains                                --           (0.20)             --
                                                 ----------      ----------      ----------   
   Total distributions                                  --           (0.86)          (0.16)
                                                 ----------      ----------      ----------   
Net asset value, end of period                   $   10.33       $   10.15       $    9.85
                                                 ==========      ==========      ==========   
Total Return@                                         1.67%          11.77%           0.13%
Ratios / Supplemental Data:
 Net assets, end of period (000's)                $133,563        $122,904        $106,846
 Net expenses to average daily net              
  assets#                                           0.5190%*        0.5190%         0.5190%* 
 Net investment income to average daily               
  net assets                                          5.79%*          6.32%           6.37%* 
 Portfolio turnover rate                                14%            114%             15%
  #Computed after giving effect to the 
   reduction in management fee by
   MassMutual. Without this reduction of
   fees by the investment manager, the 
   ratio of expenses to average daily net                
   assets would have been:                          0.5555%*        0.5524%         0.5654%* 
</TABLE>

*Annualized
**For the period from October 3, 1994 (commencement of operations) through
  December 31, 1994.
 @Employee retirement benefit plans that invest plan assets in the Separate
  Investment Accounts (SIAs) may be subject to certain charges as set forth in
  their respective Plan Documents. Total return figures would be lower for the
  periods presented if they reflected these charges.


   The accompanying notes are an integral part of the financial statements.

18
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Core Bond Fund - Portfolio Manager Report
- --------------------------------------------------------------------------------


What are the investment objective and policies for the MassMutual Core Bond 
Fund?
        
The objective and policies of the Fund are to:

 . achieve high total rate of return over the long term consistent with prudent
  investment risk and the preservation of capital

 . invest primarily in investment-grade, fixed-income securities

 . maintain duration in a targeted range from four to seven years to reduce
  volatility

 . diversify investments by industry sector, maturity, issuer class, and quality
  sectors to reduce risk of capital erosion


How has the Fund performed over the past six months?

While the general bond market has been weak this year as a result of increasing
interest rates, the Fund's performance has been relatively favorable.  Due to
portfolio allocation decisions, before expenses the Fund finished the six months
ended June 30th slightly ahead of the Lehman Government/Corporate Index.


What effect did this year's rise in interest rates have on the market?

Bond prices, especially in longer-term maturities, were hurt as interest rates
edged up.  Treasuries, which had rallied most on last year's rate declines,
suffered most in the first half of this year.  In addition, the yield curve
significantly steepened so that in contrast to last year's market, moving
farther out in maturity made a large positive difference in the amount of yield
available in the Treasury market.


How was the portfolio positioned in light of these changes?

As always, the portfolio was well-diversified, with a focus on providing a high
rate of total return without taking on undue risk to principal.  One of the
moves we made was to increase our allocation to mortgage-backed securities over
the period.  Mortgages tend to pay higher income than Treasuries, and because
interest rates had risen, the prepayment risk associated with them in last
year's market had declined.  Our focus was on well-seasoned and call-protected
securities, where we felt the income we were buying was fairly reliable.  We
also purchased a non-U.S. Government agency mortgage over the period, which
offers the portfolio significant yield benefits.

Additionally, we were consistent in our allocation to corporate bonds over the
period, and they performed well regardless of increasing rates.  Corporate
America weathered the economic slowdown at the end of 1995 well, and now that
growth appears to have picked up somewhat, these bonds remain in demand.


How will the portfolio be positioned going forward?

At this time we're looking for areas of the market where we can add value to the
portfolio. We're holding on to the corporate bonds we own and selectively adding
to our allocation there.  In this economic environment, however, we are
conducting a tremendous amount of research into individual corporate credits
before buying.  Beyond corporate bonds, we're still building our position in
well-structured mortgage securities.  In the Treasury market, we're considering
making investments into the three year maturity range, where the yield curve is
exceptionally steep.  We would also consider adding to longer bonds if the yield
differential between 10 and 30 year bonds were to increase further.  We don't
make bets on the direction of interest rates, so the decisions we're making now
reflect our beliefs about what sectors of the market offer the best potential
value relative to the rest of the market.


What is the outlook for the Fund?

The outlook is optimistic.  This is a Fund that was designed to perform well in
many markets through its diversification over various categories of bonds, its
neutral duration strategy, and its total return focus.  While current economic
data suggests the likelihood of the Federal Reserve's increasing interest rates
later this year, we expect our portfolio positioning to help us to continue to
be able to provide a competitive rate of return without undue risk to principal.

                                                                              19
<PAGE>

MassMutual Core Bond Fund - Portfolio Manager Report (Continued)
 
- --------------------------------------------------------------------------------
Growth of a $10,000 Investment
Hypothetical Investments in MassMutual Core Bond Fund Classes 1-4 and the Lehman
Brothers Government/Corporate Bond Index

- ---------------------------------------------------------------------
MassMutual Core-Bond Fund
Total Return     Year to Date      One Year         Average Annual
                 1/1/96-6/30/96    7/1/95-6/30/96   10/3/94-6/30/96

Class 1              -2.60%            3.18%             8.23%
Class 2              -2.40%            3.62%             8.77%
Class 3              -2.13%            4.05%             9.15%
Class 4              -2.05%            4.31%             9.42%
- ---------------------------------------------------------------------
Lehman Brothers      - 1.88%           4.66%              --
Government/Corporate
Bond Index
- ---------------------------------------------------------------------
Past performance is not predictive of future results. The investment return and 
principal value of shares of the Fund will fluctuate with market conditions so 
that shares of the Fund, when redeemed, may be worth more or less than their 
original cost. Investors should note that the Fund is a professionally managed 
mutual fund, while the Lehman Brothers Government/Corporate Bond Index is 
unmanaged and does not incur expenses.

             GROWTH OF A $10,000 INVESTMENT SINCE INCEPTION                  

                           [LINE GRAPH APPEARS HERE]

             Class 1   Class 2   Class 3   Class 4  Lehman Bros. Gov't/Corp. 
10/3/94      10,000    10,000    10,000    10,000            10,000          
  12/94      10,000    10,008    10,009    10,020            10,037          
   3/95      10,465    10,483    10,494    10,519            10,537          
   6/95      11,121    11,170    11,192    11,212            11,220          
   9/95      11,284    11,343    11,384    11,416            11,435          
  12/95      11,781    11,860    11,894    11,940            11,968          
   3/96      11,464    11,564    11,612    11,662            11,688          
   6/96      11,475    11,575    11,645    11,695            11,743           

$11,743  Lehman Bros./Gov't Corp.
$11,695  Class 4
$11,645  Class 3
$11,575  Class 2
$11,475  Class 1
- --------------------------------------------------------------------------------


- -------------------------------------
Quality Structure (6/30/96)
MassMutual Core Bond Fund

U.S. Governments Cash Equivalents 

[PIE CHART APPEARS HERE]
Aaa/AAA        73.4%
Baa/BBB        16.2%
A/A             8.8%
Below Baa/BBB   0.9%
Aa/AA           0.7%

- -------------------------------------


- -------------------------------------

Duration Diversification (6/30/96)
MassMutual Core Bond Fund

Average Duration = 5.2 years

[PIE CHART APPEARS HERE]
1-3 years                31.3% 
5-7 years                21%   
3-5 years                20.1% 
7-10 years               13.4% 
greater than 10 years    12.2% 
less than 1 year          2%   

- -------------------------------------
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Core Bond Fund - Portfolio of Investments
- --------------------------------------------------------------------------------

Portfolio of Investments
June 30, 1996 (Unaudited)

<TABLE>
<CAPTION>
                                   Principal
                                     Amount    Market Value
                                   ----------  ------------
<S>                                <C>         <C>
BONDS & NOTES - 94.4%
ASSET BACKED SECURITIES--5.0%
Daimler-Benz Auto
 Grantor Trust 1995-A
 5.850% 5/15/2002                  $3,362,839  $  3,349,152
Daimler-Benz Vehicle
 Trust 1994-A
 5.950% 12/15/2000                    399,810       399,658
Ford Credit 1994-B
 Grantor Trust
 7.300% 10/15/1999                    733,208       741,222
Ford Credit Auto
 Loan Master Trust,
 Series 1992-1
 6.875% 1/15/1999                   2,000,000     2,010,000
Honda Auto
 Receivables 1992-A
 Grantor Trust
 4.900% 6/15/1998                     101,318       100,938
Nissan Auto
 Receivables 1994-A
 Grantor Trust
 6.450% 9/15/1999                   1,831,574     1,836,153
Railcar Trust No.
 1992-1
 7.750% 6/01/2004                   1,436,873     1,487,163
World Omni 1995-A
 Automobile Lease
 Securitization Trust
 6.050% 11/25/2001                  3,000,000     2,983,110
World Omni 1996-A
 Automobile Lease
 Securitization Trust
 6.300% 6/25/2002                   2,650,000     2,648,304
                                               ------------

TOTAL ASSET BACKED
SECURITIES                                       15,555,700
                                               ------------
(Cost $15,554,319)

CORPORATE DEBT--29.5%
American Airlines, Inc. .
 9.780% 11/26/2011                  2,000,000     2,231,240
AMR Corporation .
 9.000% 8/01/2012                   2,000,000     2,162,400
Analog Devices, Inc. .
 6.625% 3/01/2000                   1,500,000     1,465,515
Associates Corporation
 of North America .
 7.875% 9/30/2001                   1,500,000     1,560,645
Bell Atlantic Financial
 Services, Inc.
 6.610% 2/04/2000                   1,750,000     1,745,695
Capital Cities/ABC,Inc.               
  8.875% 12/15/2000                   875,000       942,043
Champion International
 Corporation
 6.400% 2/15/2026                   2,500,000     2,310,800
The Charles Schwab
 Corporation
 6.250% 1/23/2003                   2,500,000     2,362,500
Chrysler Corporation
 10.400% 8/01/1999                  1,500,000     1,564,365
CITGO Petroleum Corp.
  7.875% 5/15/2006                  1,000,000       991,710
Columbia Gas System Inc.
 6.610% 11/28/2002                  3,000,000     2,923,470
Commercial Credit Co. .
 7.750% 3/01/2005                   3,000,000     3,081,630
Continental Airlines,
 Inc. 1996-B 144A
 7.820% 4/15/2015                   2,000,000     1,953,660
Continental Airlines,
 Inc. 2B 144A
 8.560% 7/02/2014                   1,750,000     1,848,158
Corning Glass Works,
 Inc. .
 8.875% 3/15/2016                   1,000,000     1,091,070
English China Clays
 Delaware Inc. .
 7.375% 10/01/2002                  1,000,000     1,001,750
Equifax Inc.
 6.500% 6/15/2003                   1,000,000       956,000
ERAC USA Finance
 Company 144A
 6.950% 1/15/2006                   1,500,000     1,397,475
FBG Finance Ltd. 144A
 7.875% 6/01/2016                   3,000,000     2,989,710
Fletcher Challenge Ltd.
 7.750% 6/20/2006                   2,000,000     2,028,160
Foster Wheeler
 Corporation
 6.750% 11/15/2005                  2,000,000     1,904,240
General American
 Transportation
 Corporation
 6.750% 3/01/2006                   3,000,000     2,853,240
General Electric
 Capital Corporation
 8.750% 5/21/2007                   1,500,000     1,670,745
General Telephone
 Company of Florida
 7.500% 8/01/2002                   1,000,000     1,001,350
The Goldman Sachs
 Group, L.P. 144A
 6.200% 2/15/2001                   2,500,000     2,393,125
Harrahs Operating Inc.
 8.750% 3/15/2000                   1,100,000     1,105,500
Hercules Incorporated .
 6.625% 6/01/2003                   2,000,000     1,942,140
IMCERA Group Inc. .
 6.000% 10/15/2003                  1,000,000       902,910
ITT Destinations, Inc.
 7.375% 11/15/2015                  3,500,000     3,290,525
Leucadia National
 Corporation
 7.750% 8/15/2013                   2,500,000     2,357,150
McDonnell Douglas
 Corporation .
 9.250% 4/01/2002                   1,500,000     1,650,330
Newmont Mining Corp. .
 8.625% 4/01/2002                   2,000,000     2,092,540
North Finance (Bermuda) Limited
 144A 7.000% 9/15/2005              2,000,000     1,920,000
Penske Truck Leasing
 Co., L.P.
 7.750% 5/15/1999                   1,500,000     1,544,025
Ralston Purina Co.
 7.750% 10/01/2015                  2,000,000     1,976,820
</TABLE>


                                                  (Continued)

   The accompanying notes are an integral part of the financial statements.   

                                                                              21
<PAGE>
 
MassMutual Core Bond Fund - Portfolio of Investments (Continued)
<TABLE>
<CAPTION>
  
                                     Principal
                                      Amount     Market Value
                                    -----------  ------------
<S>                                 <C>          <C>
Rolls-Royce Capital              
 Inc.                            
 7.125% 7/29/2003                   $ 2,000,000   $ 1,961,240
Service Corporation              
 International                   
 7.000% 6/01/2015                     4,000,000     3,996,880
TCI Communications,              
 Inc.                            
 8.650% 9/15/2004                       900,000       917,325
Tele-Communications,             
 Inc.                            
 5.280% 8/20/1996                     1,575,000     1,573,220
Tele-Communications,             
 Inc.                            
 9.800% 2/01/2012                     1,115,000     1,204,735
Thomas & Betts                   
 Corporation                     
 8.250% 1/15/2004                     2,500,000     2,560,825
Time Warner, Inc.                
 7.750% 6/15/2005                     3,000,000     2,928,660
United Air Lines, Inc.           
 10.110% 2/19/2006                      939,710     1,022,705
US Air, Inc. 144A                
 7.500% 4/15/2008                     1,500,000     1,454,040
Valassis                         
 Communications, Inc.            
 9.550% 12/01/2003                    2,000,000     2,028,020
Westinghouse Electric            
 Corporation                     
 8.375% 6/15/2002                     1,000,000       995,810
W.R. Grace & Co.                 
 7.250% 7/15/1997                     2,000,000     2,019,940
W.R. Grace & Co.                 
 8.000% 8/15/2004                     3,000,000     3,124,800
                                                  ------------ 
TOTAL CORPORATE DEBT                               91,000,836
                                                  ------------ 
(Cost $90,396,642)               

NON - U.S. GOVERNMENT            
AGENCY OBLIGATIONS -- 1.3%       
Collateralized Mortgage          
Obligation                       
Prudential Home                  
 Mortgage Securities             
 1993-26 Class A6                
 6.750% 7/25/2008                     4,000,000     3,940,000
                                                  ------------ 
(Cost $3,955,000)                

U.S. GOVERNMENT                  
AGENCY OBLIGATIONS -- 22.4%      
Federal Home Loan Mortgage       
Corporation (FHLMC) -- 5.3%      
Collateralized Mortgage          
Obligations -- 5.1%              
FHLMC Series 1080                
 Class D                         
 7.000% 7/15/2020                     3,000,000     3,014,040
FHLMC Series 1322                
 Class G                         
 7.500% 2/15/2007                     2,000,000     2,039,360
FHLMC Series 1460                
 Class H                         
 7.000% 5/15/2007                   $ 2,000,000     1,996,240
FHLMC Series 1490                
 Class PJ                        
 6.000% 5/15/2007                       600,000       579,000
FHLMC Series 1612                
 Class PD                        
 5.750% 5/15/2006                     5,000,000     4,867,150
FHLMC Series 1625                
 Class EA                        
 5.750% 3/15/2007                     3,500,000     3,399,375
                                                  ------------ 
                                                   15,895,165
                                                  ------------ 

Pass-Through Securities -- 0.2%  
FHLMC                            
 9.000% 3/01/2017                       419,936       441,063
                                                  ------------ 
                                                   16,336,228
                                                  ------------ 

Federal National Mortgage        
Association (FNMA) -- 5.1%       
Collateralized Mortgage          
Obligations -- 4.9%              
FNMA Series 1989-20              
 Class A                         
 6.750% 4/25/2018                     4,329,347     4,066,815
FNMA Series 1992-86              
 Class C                         
 7.000% 6/25/2003                       355,190       354,856
FNMA Series 1993-134             
 Class GA                        
 6.500% 2/25/2007                     5,000,000     4,890,600
FNMA Series 1993-175             
 Class PL                        
 5.000% 10/25/2002                    2,000,000     1,978,120
FNMA Series 1993-191             
 Class PD                        
 5.400% 3/25/2004                     1,500,000     1,469,520
FNMA Series 1993-221             
 Class D                         
 6.000% 12/25/2008                    2,500,000     2,335,150
                                                  ------------
                                                   15,095,061
                                                  ------------ 

Pass-Through Securities -- 0.2%  
FNMA                             
 8.000% 5/01/2013                       656,312       673,041
                                                  ------------
                                                   15,768,102
                                                  ------------
Government National Mortgage     
Association (GNMA) -- 10.1%      
Collateralized Mortgage          
Obligation -- 0.6%               
JHM Acceptance                   
 Corporation Series E            
 Class 5                         
 8.960% 4/01/2019                     1,690,483     1,744,359
                                                  ------------

Pass-Through Securities -- 9.5%  
GNMA                             
 6.000% 7/20/2025 -              
 12/20/2025                          11,461,092    11,545,458
GNMA                             
 7.500% 1/15/2017 -              
 6/15/2017                            7,491,476     7,443,756
GNMA                             
 8.000% 4/15/2001 -              
 3/15/2008                            9,536,493     9,780,908
GNMA                             
 9.000% 12/15/2004 -             
 10/15/2009                             549,169       582,118
                                                  ------------
                                                   29,352,240
                                                  ------------
                                                   31,096,599
                                                  ------------

U.S. Government Guaranteed       
Notes -- 1.9%                    
1994-A Baxter                    
 Springs, KS                     
 5.930% 8/01/1999                       700,000       686,000
1994-A Erie, PA                  
 5.930% 8/01/1999                     1,590,000     1,558,200
1994-A Los Angeles               
 County, CA                      
 5.930% 8/01/1999                       190,000       186,200
1994-A Montgomery                
 County, PA                      
 5.930% 8/01/1999                       150,000       147,000
1994-A Pohatcong                 
 Township, NJ                    
 5.930% 8/01/1999                       255,000       249,900
1994-A Rochester, NY             
 5.930% 8/01/1999                       135,000       132,300
1994-A Sacramento,               
 CA                              
 5.930% 8/01/1999                        60,000        58,800  
1994-A Santa Ana,                
 CA                              
 5.930% 8/01/1999                       920,000       901,600
U.S. Dept. of Housing            
 and Urban                       
 Development, Series             
 1996-A                          
 6.670% 8/01/2001                     2,000,000     1,997,500
                                                  ------------
                                                    5,917,500
                                                  ------------

TOTAL U.S. GOVERNMENT            
AGENCY OBLIGATIONS                                 69,118,429
                                                  ------------
(Cost $68,364,226)               

U.S. TREASURY OBLIGATIONS -- 36.2%             
U.S. Treasury Bond -- 11.3%      
U.S. Treasury Bond               
 8.875% 8/15/2017                    29,000,000    34,817,980
                                                  ------------
</TABLE> 

                                                                    (Continued)

22   The accompanying notes are an integral part of the financial statements.
<PAGE>
 
MassMutual Core Bond Fund - Portfolio of Investments (Continued)

<TABLE>
<CAPTION>
 
                                          Principal
                                           Amount      Market Value
                                          ---------    ------------ 
<S>                                      <C>          <C>

U.S. Treasury Notes -- 24.1%
U.S. Treasury Note
 5.875% 4/30/1998                        $15,800,000   $ 15,738,222
U.S. Treasury Note
 6.375% 5/15/1999                         23,500,000     23,551,465
U.S. Treasury Note
 7.250% 5/15/2004                         16,500,000     17,095,485
U.S. Treasury Note
 8.875% 11/15/1998                        17,000,000     17,974,780
                                                       -------------
                                                         74,359,952
                                                       -------------

U.S. Treasury Strip -- 0.8%
U.S. Treasury Strip -- Principal Only
 0.000% 2/15/2015                          9,250,000      2,479,833
                                                       -------------

TOTAL U.S. TREASURY
OBLIGATIONS                                             111,657,765
                                                       -------------
(Cost $113,703,464)

TOTAL BONDS & NOTES                                     291,272,730
                                                       -------------
(Cost $291,973,651)

SHORT-TERM INVESTMENTS -- 6.1%
Commercial Paper
Carter Holt Harvey
 Limited
 5.600% 7/08/1996                          6,425,000      6,418,004
Kerr-McGee Credit
 Corporation
 5.500% 7/09/1996                          4,355,000      4,349,677
Rite Aid Corporation
 5.670% 7/01/1996                          5,325,000      5,325,000
Ryder System Inc.
 5.570% 7/01/1996                          2,815,000      2,815,000
                                                       -------------

TOTAL SHORT-TERM
INVESTMENTS                                              18,907,681
                                                       -------------
(At Amortized Cost)

TOTAL INVESTMENTS -- 100.5%                             310,180,411
(Cost $310,881,332)+

Other Assets/
(Liabilities) - (0.5%)                                   (1,405,654)
                                                       -------------

NET ASSETS -- 100.0%                                   $308,774,757
                                                       -------------
</TABLE> 

Notes to Portfolio of Investments
+Aggregate cost for Federal tax purposes (Note 7) 

144A: Securities exempt from registration under rule 144A of the Securities Act
 of 1933. The Securities may be resold in transactions exempt from
 registration, normally to qualified institutional buyers.

 . All or a portion of this security is segregated to cover forward purchase
commitments (Note 2).

             The remainder of this page intentionally left blank.

   The accompanying notes are in integral part of the financial statements.   23



<PAGE>
 
MassMutual Core Bond Fund - Financial Statements

Statement of Asset and Liabilities
<TABLE> 
<CAPTION> 
                                                                  June 30, 1996
                                                                   (Unaudited)
                                                                 ---------------
<S>                                                              <C> 
Assets:
  Investments, at value (cost $291,973,651) (Note 2)...........  $   291,272,730
  Short-term investments, at amortized cost (Note 2)...........       18,907,681
                                                                 ---------------
    Total Investments..........................................      310,180,411
  Cash.........................................................            2,847
  Receivables from:
    Investments sold...........................................           59,216
    Settlement of investments purchased on a
      forward commitment basis (Note 2)........................           95,021
    Fund shares sold...........................................           97,019
    Interest...................................................        4,017,435
    Investment manager (Note 3)................................           10,447
                                                                 ---------------
      Total assets.............................................      314,462,396
                                                                 ---------------
Liabilities:
  Payables for:
    Investments purchased......................................        5,225,204
    Fund shares redeemed.......................................          316,282
    Directors' fees and expenses (Note 3)......................            2,011
    Affiliates (Note 3):
      Investment management fees...............................          112,266
      Administration fees......................................           21,117
      Service and distribution fees............................              241
    Accrued expenses and other liabilities.....................           10,518
                                                                 ---------------
      Total liabilities........................................        5,687,639
                                                                 ---------------
    Net assets.................................................  $   308,774,757
                                                                 ===============
Net assets consist of:
    Paid-in capital............................................  $   300,524,463
    Undistributed net investment income........................        8,883,226
    Accumulated net realized loss on investments...............          (27,032)
    Net unrealized depreciation on investments
      and forward commitments..................................         (605,900)
                                                                 ---------------
                                                                 $   308,774,757
                                                                 ===============
Net assets:
    Class 1....................................................  $       120,242
                                                                 ===============
    Class 2....................................................  $       116,980
                                                                 ===============
    Class 3....................................................  $       117,551
                                                                 ===============
    Class 4....................................................  $   308,419,984
                                                                 ===============
Shares outstanding:
    Class 1....................................................           11,438
                                                                 ===============
    Class 2....................................................           11,069
                                                                 ===============
    Class 3....................................................           11,095
                                                                 ===============
    Class 4....................................................       29,270,161
                                                                 ===============
Net asset value, offering price and
redemption price per share:
    Class 1....................................................  $         10.51
                                                                 ===============
    Class 2....................................................  $         10.57
                                                                 ===============
    Class 3....................................................  $         10.59
                                                                 ===============
    Class 4....................................................  $         10.54
                                                                 ===============
</TABLE> 

24   The accompanying notes are an integral part of the financial statements.
<PAGE>
 
MassMutual Core Bond Fund - Financial Statements (Continued)

Statement of Operations

<TABLE> 
<CAPTION> 
                                                               Six months ended
                                                                 June 30, 1996 
                                                                  (Unaudited)   
                                                               ----------------
<S>                                                            <C> 
Investment income:
  Interest...................................................  $      9,480,616  
                                                               ----------------
                                                                                 
Expenses (Note 1):                                                               
  Investment management fees (Note 3)........................           623,646  
  Custody fees...............................................            17,204  
  Audit and legal fees.......................................             4,275  
  Directors' fees (Note 3)...................................             5,154  
  Fees waived by the investment manager (Note 3).............           (56,014) 
                                                               ----------------  
                                                                        594,265  
                                                                                 
  Administration fees (Note 3):                                                  
   Class 1...................................................               393  
   Class 2...................................................               302  
   Class 3...................................................               188  
   Class 4...................................................           116,535  
  Distribution and service fees (Note 3):                                        
   Class 1...................................................               449  
   Class 2...................................................                87  
                                                               ----------------  
     Net expenses............................................           712,219  
                                                               ----------------  
     Net investment income...................................         8,768,397  
                                                               ----------------  
Realized and unrealized gain (loss):                                             
  Net realized loss on investment transactions and forward                       
   commitments...............................................        (1,972,018) 
  Net change in unrealized appreciation (depreciation) on                        
   investments and forward commitments.......................       (11,771,105) 
                                                               ----------------  
     Net realized and unrealized loss........................       (13,743,123) 
                                                               ----------------  
  Net decrease in net assets resulting from operations.......  $     (4,974,726) 
                                                               ================  
</TABLE> 

   The accompanying notes are an integral part of the financial statements.  25 
<PAGE>
 
MassMutual Core Bond Fund - Financial Statements (Continued)

Statements of Changes in Net Assets
<TABLE> 
<CAPTION> 

                                                                         Six months ended                        
                                                                           June 30, 1996       Year ended     
                                                                            (Unaudited)     December 31, 1995 
                                                                         ----------------   -----------------
<S>                                                                      <C>                <C> 
Increase (Decrease) in Net Assets:                                                                             
Operations:                                                                                                    
   Net investment income................................................. $     8,768,397   $      14,053,804
   Net realized gain (loss) on investment transactions
    and forward commitments..............................................      (1,972,018)          9,143,745
   Net change in unrealized appreciation (depreciation) on
    investments and forward commitments..................................     (11,771,105)         14,064,619
                                                                          ---------------   -----------------
   Net increase (decrease) in net assets resulting
    from operations......................................................      (4,974,726)         37,262,168
                                                                          ---------------   -----------------

Distributions to shareholders (Note 2):
   From net investment income:
   Class 1...............................................................              --              (7,975)
   Class 2...............................................................              --              (5,956)
   Class 3...............................................................              --              (6,329)
   Class 4...............................................................              --         (13,924,661)
                                                                          ---------------   -----------------
    Total distributions from net investment income.......................              --         (13,944,921)
                                                                          ---------------   -----------------
From net realized gains:
   Class 1...............................................................              --              (4,784)
   Class 2...............................................................              --              (3,332)
   Class 3...............................................................              --              (3,329)
   Class 4...............................................................              --          (7,028,844)
                                                                          ---------------   -----------------
    Total distributions from net realized gains..........................              --          (7,040,289)
                                                                          ---------------   -----------------
Net fund share transactions (Note 5):
   Class 1...............................................................         (46,631)             61,915
   Class 2...............................................................              --               9,288
   Class 3...............................................................              --               9,658
   Class 4...............................................................      59,845,288          43,139,641
                                                                          ---------------   -----------------
    Increase in net assets from net fund share transactions..............      59,798,657          43,220,502
                                                                          ---------------   -----------------
   Total increase in net assets..........................................      54,823,931          59,497,460
Net assets:
   Beginning of period...................................................     253,950,826         194,453,366
                                                                          ---------------   -----------------
   End of period (including undistributed net investment income
    of $8,883,226 and $114,829, respectively)............................ $   308,774,757   $     253,950,826
                                                                          ===============   =================
</TABLE> 

26   The accompanying notes are an integral part of the financial statements.
<PAGE>
 
MassMutual Core Bond Fund - Financial Statements (Continued)

Financial Highlights
(For a share outstanding throughout each period)
<TABLE> 
<CAPTION> 
                                                                                          Class 1
                                                                                         ---------
                                                                      Six months ended
                                                                          6/30/96         Year ended     Period ended  
                                                                        (Unaudited)        12/31/95        12/31/94** 
                                                                        -----------       ----------       ---------- 
<S>                                                                     <C>               <C>              <C> 
Net asset value, beginning of period                                    $    10.79        $    9.90        $   10.00 
                                                                        -----------       ----------       ---------- 
Income (loss) from investment operations:                                                                              
 Net investment income                                                        0.29             0.50             0.10   
 Net realized and unrealized gain (loss) on investments                      (0.57)            1.26            (0.10)
                                                                        -----------       ----------       ----------  
  Total income (loss) from investment operations                             (0.28)            1.76               --
                                                                        -----------       ----------       ----------   
Less distributions to shareholders:                                                                                    
 From net investment income                                                     --            (0.54)           (0.10)  
 From net realized gains                                                        --            (0.33)              -- 
                                                                        -----------       ----------       ----------  
   Total distributions                                                          --            (0.87)           (0.10)
                                                                        -----------       ----------       ----------  
Net asset value, end of period                                          $    10.51        $   10.79        $    9.90
                                                                        ===========       ==========       ==========   
Total Return                                                                 (2.60)%          17.81%            0.00%  
Ratios/Supplemental Data:                                                                                              
 Net assets, end of period (000's)                                            $120             $171             $101   
 Net expenses to average daily net assets#                                    1.65%*           1.65%            1.65%* 
 Net investment income to average daily net assets                            5.13%*           5.39%            5.91%* 
 Portfolio turnover rate                                                        40%             104%               7%  
  #Computed after giving effect to the reduction in                                                                    
   management fee by MassMutual. Without this reduction of                                                             
   fees by the investment manager, the ratio of expenses                                                               
   to average daily net assets would have been:                               1.69%*           1.69%            1.71%*  
</TABLE> 


<TABLE> 
<CAPTION> 
                                                                                          Class 2
                                                                                         ---------
                                                                      Six months ended
                                                                          6/30/96         Year ended     Period ended  
                                                                        (Unaudited)        12/31/95        12/31/94** 
                                                                        -----------       ----------       ---------- 
<S>                                                                     <C>               <C>              <C> 
Net asset value, beginning of period                                    $    10.82        $    9.90        $   10.00 
                                                                        -----------       ----------       ---------- 
Income (loss) from investment operations:                                                                              
 Net investment income                                                        0.30             0.64             0.11   
 Net realized and unrealized gain (loss) on investments                      (0.55)            1.19            (0.10)
                                                                        -----------       ----------       ----------  
  Total income (loss) from investment operations                             (0.25)            1.83             0.01
                                                                        -----------       ----------       ----------   
Less distributions to shareholders:                                                                                    
 From net investment income                                                     --            (0.58)           (0.11)  
 From net realized gains                                                        --            (0.33)              -- 
                                                                        -----------       ----------       ----------  
   Total distributions                                                          --            (0.91)           (0.11)
                                                                        -----------       ----------       ----------  
Net asset value, end of period                                          $    10.57        $   10.82        $    9.90
                                                                        ===========       ==========       ==========   
Total Return                                                                 (2.40)%          18.51%            0.08%  
Ratios/Supplemental Data:                                                                                              
 Net assets, end of period (000's)                                            $117             $120             $101   
 Net expenses to average daily net assets#                                    1.10%*           1.10%            1.10%* 
 Net investment income to average daily net assets                            5.72%*           5.97%            6.46%* 
 Portfolio turnover rate                                                        40%             104%               7%  
  #Computed after giving effect to the reduction in                                                                    
   management fee by MassMutual. Without this reduction of                                                             
   fees by the investment manager, the ratio of expenses                                                               
   to average daily net assets would have been:                               1.14%*           1.14%            1.16%*  
</TABLE> 

*Annualized
**For the period from October 3, 1994 (commencement of operations) through
December 31, 1994.

   The accompanying notes are an integral part of the financial statements.   27
<PAGE>
 
MassMutual Core Bond Fund - Financial Statements (Continued)

Financial Highlights
(For a share outstanding throughout each period)
<TABLE> 
<CAPTION> 
                                                                                          Class 3
                                                                                         ---------
                                                                      Six months ended
                                                                          6/30/96         Year ended     Period ended  
                                                                        (Unaudited)        12/31/95        12/31/94** 
                                                                        -----------       ----------       ---------- 
<S>                                                                     <C>               <C>              <C> 
Net asset value, beginning of period                                    $    10.82        $    9.90        $   10.00 
                                                                        -----------       ----------       ---------- 
Income (loss) from investment operations:                                                                              
 Net investment income                                                        0.32             0.68             0.11   
 Net realized and unrealized gain (loss) on investments                      (0.55)            1.19            (0.10)
                                                                        -----------       ----------       ----------  
  Total income (loss) from investment operations                             (0.23)            1.87             0.01
                                                                        -----------       ----------       ----------   
Less distributions to shareholders:                                                                                    
 From net investment income                                                     --            (0.62)           (0.11)  
 From net realized gains                                                        --            (0.33)              -- 
                                                                        -----------       ----------       ----------  
   Total distributions                                                          --            (0.95)           (0.11)
                                                                        -----------       ----------       ----------  
Net asset value, end of period                                          $    10.59        $   10.82        $    9.90
                                                                        ===========       ==========       ==========   
Total Return                                                                 (2.13)%          18.87%            0.09%  
Ratios/Supplemental Data:                                                                                              
 Net assets, end of period (000's)                                            $118             $120             $101   
 Net expenses to average daily net assets#                                    0.75%*           0.75%            0.75%* 
 Net investment income to average daily net assets                            6.07%*           6.32%            6.83%* 
 Portfolio turnover rate                                                        40%             104%               7%  

  #Computed after giving effect to the reduction in                                                                    
   management fee by MassMutual. Without this reduction of                                                             
   fees by the investment manager, the ratio of expenses                                                               
   to average daily net assets would have been:                               0.79%*           0.79%            0.81%*  

<CAPTION> 
                                                                                          Class 4
                                                                                         ---------
                                                                      Six months ended
                                                                          6/30/96         Year ended     Period ended  
                                                                        (Unaudited)        12/31/95        12/31/94** 
                                                                        -----------       ----------       ---------- 
<S>                                                                     <C>               <C>              <C> 
Net asset value, beginning of period                                    $    10.75        $    9.84        $   10.00 
                                                                        -----------       ----------       ---------- 
Income (loss) from investment operations:                                                                              
 Net investment income                                                        0.30             0.72***          0.18   
 Net realized and unrealized gain (loss) on investments                      (0.51)            1.17            (0.16)
                                                                        -----------       ----------       ----------  
  Total income (loss) from investment operations                             (0.21)            1.89             0.02
                                                                        -----------       ----------       ----------   
Less distributions to shareholders:                                                                                    
 From net investment income                                                     --            (0.65)           (0.18)  
 From net realized gains                                                        --            (0.33)              -- 
                                                                        -----------       ----------       ----------  
   Total distributions                                                          --            (0.98)           (0.18)
                                                                        -----------       ----------       ----------  
Net asset value, end of period                                          $    10.54        $   10.75        $    9.84
                                                                        ===========       ==========       ==========   
Total Return@                                                                (2.05)%          19.15%            0.20%  
Ratios/Supplemental Data:                                                                                              

 Net assets, end of period (000's)                                        $308,420         $253,540         $194,150   
 Net expenses to average daily net assets#                                  0.5130%*         0.5130%          0.5130%* 
 Net investment income to average daily net assets                            6.33%*           6.56%            6.86%* 
 Portfolio turnover rate                                                        40%             104%               7%  
  #Computed after giving effect to the reduction in                                                                    
   management fee by MassMutual. Without this reduction of                                                             
   fees by the investment manager, the ratio of expenses                                                               
   to average daily net assets would have been:                             0.5532%*         0.5553%          0.5672%*  
</TABLE> 

  *Annualized
  **For the period from October 3, 1994 (commencement of operations) through
    December 31, 1994.
  ***Per share amount calculated on the average shares method, which more
     appropriately presents the per share data for the period since the use of
     the undistributed income method does not accord with the results of
     operations.
  @Employee retirement benefit plans that invest plan assets in the Separate
   Investment Accounts (SIAs) may be subject to certain charges as set forth  in
   their respective Plan Documents. Total return figures would be lower for the
   periods presented if they reflected these charges.

28   The accompanying notes are an integral part of the financial statements.
<PAGE>
 
MassMutual Balanced Fund - Portfolio Manager Report

What are the investment   The objective and policies of the Fund are to:
objective and policies    
for the MassMutual        .achieve high total rate of return over the long term
Balanced Fund?            consistent with the preservation of capital
           
                          .invest in equity securities, fixed-income securities
                          and money market instruments                         
                          
                          .manage the allocation of investments in three sectors
                          within the following ranges:                          

                          10%-45% Prime Sector
                          10%-25% Core Bond Sector
                          45%-65% Value Equity Sector

How has the Fund          The Fund has performed well, benefiting from the
performed over the past   strength in the stock market and from having avoided
six months?               some of the difficulties of the fixed income market.
                          While our performance has lagged that of pure equity
                          investments over the period, we believe our portfolio
                          diversification will be a plus, allowing us exposure
                          to the growth potential of stocks, but tempering any
                          dramatic price swings.

How did the allocation    While remaining underweighted in both stocks and
between stocks, bonds     bonds, we did slightly increase our allocation to
and cash change over      these segments over the last six months, and
this period?              consequently reduced our cash position. Though both
                          markets have been volatile, we believe they offer
                          significant reward potential over the long term. As of
                          June 30th, our equity holdings represented 50 percent
                          of the portfolio, and our bond position was 17
                          percent. The remaining 33 percent was invested in
                          money market securities.

What investment           Because of reports of faster than expected economic
decisions benefited the   growth in the first half, cyclical (or economically-
portfolio over the        sensitive) stocks performed very well. As value
period?                   investors, we had purchased a number of cyclical names
                          at the end of 1995, when fears about the economy's
                          weakness made cyclicals one of the few real values
                          within a strong bull market. This positioning paid off
                          during the first half of 1996.

                          On the fixed income side, we benefited from having
                          increased our allocation to mortgage-backed securities
                          over the period. Mortgages tend to pay higher income
                          than Treasuries, and because interest rates had risen,
                          the prepayment risk associated with them in last
                          year's market had declined. Additionally, our
                          allocation to strong performing corporate bonds helped
                          us over the period.

Where are the greatest    On the equity side, we've been working to reduce our
potential values in the   total number of portfolio holdings, anticipating
markets?                  continued selectivity in the market. We are both
                          eliminating smaller holdings that we believe don't
                          merit being brought up to full position size, and
                          adding to those we feel confident are positioned for
                          growth, but that are still selling for reasonable
                          prices.

                          In bonds, we're looking for areas of the market where
                          we can add value to the portfolio. We're holding on to
                          the corporate bonds we own while selectively adding to
                          our holdings. In this economic environment, however,
                          we are conducting a tremendous amount of research into
                          individual corporate credits before buying. Beyond
                          corporate bonds, we're still building our position in
                          well-structured mortgage securities.

What is the outlook for   The outlook is positive. With the increased volatility
the Fund?                 we've seen in both the stock and bond markets
                          recently, we believe the potential benefits of a
                          relatively conservative balanced strategy like ours
                          are compelling. With exposure to stocks, bonds and
                          money market securities, we're positioned to capture
                          appreciation and income, but with potentially less
                          price volatility than an investment in either stocks
                          or bonds.

                                                                              29
<PAGE>
 
Mass Mutual Balanced Fund - Portfolio Manager Report (Continued)
- --------------------------------------------------------------------------------
Growth of a $10,000 Investment
Hypothetical Investments in MassMutual Balanced Fund Classes 1-4 and the Lipper 
Balanced Fund Index

- -------------------------------------------------------------------------------

MassMutual Balanced Fund

<TABLE> 
<CAPTION> 
Total Return       Year to Date         One Year          Average Annual
                 1/1/96 - 6/30/96   7/1/95 - 6/30/96    10/3/94 - 6/30/96
<S>              <C>                <C>                 <C>  
Class 1               4.61%              13.16%               13.92%
Class 2               4.86%              13.77%               14.50%
Class 3               5.02%              14.19%               14.94%
Class 4               5.13%              14.38%               15.18%

- -------------------------------------------------------------------------------

Lipper Balanced       4.50%              14.79%                  --
Fund Index
</TABLE> 

Past performance is not predictive of future results.  The investment return and
principal value of shares of the Fund will fluctuate with market conditions so 
that shares of the Fund, when redeemed, may be worth more or less than their 
original cost.  Investors should note that the Fund is a professionally managed 
mutual fund, while the Lipper Balanced Fund Index is unmanaged and does not 
incur expenses.

                GROWTH OF A $10,000 INVESTMENT SINCE INCEPTION

                           [LINE GRAPH APPEARS HERE]
 
                          
10/3/94        10,000       10,000     10,000    10,000    10,000
  12/94        10,000       10,017     10,028    10,029     9,880
   3/95        10,523       10,551     10,574    10,583    10,472
   6/95        11,086       11,124     11,158    11,179    11,203
   9/95        11,509       11,558     11,611    11,635    11,807
  12/95        11,992       12,070     12,132    12,164    12,306
   3/96        12,325       12,416     12,489    12,534    12,586
   6/96        12,544       12,656     12,741    12,788    12,860

- --------------------------------------------------------------------------------

- -------------------------------------------------------------------------------
Mass Mutual Balanced Fund
     Asset Allocation
       On 6/30/96
[CIRCLE GRAPH APPEARS HERE]

Common Stocks - 50%
Bonds - 17%
Short-term Issues - 33%
- ------------------------------------------------------------------------------

- ------------------------------------------------------------------------------
Mass Mutual Balanced Fund
Largest Stock Holdings (6/30/96)

Bristol-Myers Squibb Company
General Electric Company
Hewlett-Packard Company
Amoco Corporation
Pfizer Incorporated
SAFECO Corporation
AT&T Corporation
Xerox Corporation
Minnesota Mining &
 Manufacturing Company
AMP Incorporated

- --------------------------------------------------------------------------------

30
<PAGE>
 
MassMutual Balanced Fund - Portfolio of Investments

Portfolio of Investments
June 30, 1996 (Unaudited)
<TABLE> 
<CAPTION> 

                                        Number of
                                        Shares     Market Value
                                        ---------  ------------
<S>                                     <C>        <C>
EQUITIES -- 49.6%
Aerospace & Defense -- 1.3%
Boeing Company                             42,000  $  3,659,250
TRW, Inc.                                  31,500     2,831,063
                                                   ------------  
                                                      6,490,313
                                                   ------------
Agribusiness -- 0.5%
Pioneer Hi-Bred
 International, Inc.                       45,500     2,405,813
                                                   ------------
Apparel, Textiles & Shoes -- 0.5%
VF Corporation                             44,500     2,653,313
                                                   ------------  

Automotive & Parts -- 2.3%
Ford Motor Company                         97,300     3,150,088
Genuine Parts
 Company                                   88,000     4,026,000
Goodyear Tire &
 Rubber Company                            91,700     4,424,525
                                                   ------------ 
                                                     11,600,613
                                                   ------------
Banking, Savings & Loans -- 2.9%
The Bank of New
 York Company,
 Incorporated                              85,000     4,356,250
Comerica, Incorporated                     58,500     2,610,563
CoreStates Financial
 Corp.                                     81,500     3,137,750
Norwest Corporation                        57,000     1,987,875
Wachovia Corp.                             60,100     2,629,375
                                                   ------------
                                                     14,721,813
                                                   ------------
Beverages -- 1.1%
Brown-Forman
 Corporation (Class B)                     66,600     2,664,000
Pepsico, Inc.                              84,000     2,971,500
                                                   ------------
                                                      5,635,500
                                                   ------------
Chemicals -- 2.2%
Eastman Chemical
 Company                                   38,525     2,345,209
E. I. du Pont de
 Nemours and Company                       33,000     2,611,125
The Lubrizol
 Corporation                               48,000     1,458,000
 
Nalco Chemical
 Company                                   65,700  $  2,069,550
Rohm & Haas
 Company                                   39,000     2,447,250
                                                   ------------
                                                     10,931,134
                                                   ------------
Communications -- 1.0%
AT & T Corporation                         84,000     5,208,000
                                                   ------------
Computers & Office Equipment -- 3.6%
Hewlett-Packard
 Company                                   61,000     6,077,125
International Business
 Machines Corporation                      35,000     3,465,000
Pitney Bowes, Inc.                         84,000     4,011,000
Xerox Corporation                          90,000     4,815,000
                                                   ------------
                                                     18,368,125
                                                   ------------
Containers -- 0.6%
Temple-Inland, Inc.                        63,000     2,945,250
                                                   -------------
Cosmetics & Personal Care -- 0.7%
Kimberly-Clark
 Corporation                               48,400     3,738,900
                                                   ------------
Electric Utilities -- 0.7%
NIPSCO Industries,
 Inc.                                      40,000     1,610,000
SCANA Corporation                          75,000     2,109,375
                                                   ------------
                                                      3,719,375
                                                   ------------
Electrical Equipment &
Electronics -- 4.1%
AMP, Incorporated                         115,700     4,642,463
General Electric
 Company                                   93,000     8,044,500
General Signal
 Corporation                               48,900     1,852,088
Honeywell Inc.                             54,000     2,943,000
Hubbell, Incorporated
 (Class B)                                 48,011     3,180,755
                                                   ------------
                                                     20,662,806
                                                   ------------
Energy -- 4.3%
Amoco Corporation                          74,000     5,355,750
Atlantic Richfield
 Company                                   20,300     2,405,550

Energy -- 4.3%
Chevron Corporation                        70,500  $  4,159,500
Kerr-McGee
 Corporation                               43,500     2,648,063
Mobil Corporation                          35,000     3,924,375
Unocal Corporation                         68,900     2,325,375
USX-Marathon Group                         51,200     1,030,400
                                                   ------------
                                                     21,849,013
                                                   ------------
Financial Services -- 0.7%
American Express
 Company                                   76,500     3,413,813
                                                   ------------
Foods -- 1.2%
ConAgra, Inc.                              39,300     1,783,238
CPC International, Inc.                    61,000     4,392,000
                                                   ------------  
                                                      6,175,238
                                                   ------------
Forest Products & Paper -- 1.1%
Westvaco Corporation                       61,500     1,837,313
Weyerhaeuser Company                       90,400     3,842,000
                                                   ------------  
                                                      5,679,313
                                                   ------------  
Hardware & Tools -- 0.7%
The Stanley Works                         123,000     3,659,250
                                                   ------------
Healthcare -- 4.5%
Becton, Dickinson and
 Company                                   51,000     4,092,750
Bristol-Myers Squibb
 Company                                   99,000     8,910,000
Pfizer, Incorporated                       74,000     5,281,750
Schering-Plough Corp.                      69,800     4,379,950
                                                   ------------
                                                     22,664,450
                                                   ------------
Household Products -- 0.6%
The Clorox Company                         32,500     2,880,313
                                                   ------------  
Industrial Distribution -- 0.7%
W.W. Grainger, Inc.                        48,000     3,720,000
                                                   ------------  
Industrial Transportation -- 0.8%
Norfolk Southern
 Corporation                               48,000     4,068,000
                                                   ------------  
</TABLE>
                                                    (Continued)

The accompanying notes are an integral part of the financial statements. 31
<PAGE>
 
MassMutual Balanced Fund - Portfolio of Investments (Continued)
<TABLE>
<CAPTION>
 
                                   Number of
                                     Shares    Market Value
                                   ----------  ------------
<S>                                <C>         <C>
Insurance -- 3.6%
Allstate Corporation                   36,544  $  1,667,320
Jefferson-Pilot
 Corporation                           39,750     2,052,094
Marsh & McLennan
 Companies, Inc.                       42,800     4,130,200
MBIA, Inc.                             51,500     4,010,563
SAFECO Corporation                    149,000     5,270,875
Unitrin, Inc.                          28,500     1,339,500
                                               ------------
                                                 18,470,552
                                               ------------
Machinery & Components -- 1.0%
Dover Corporation                      62,000     2,859,750
Parker-Hannifin
 Corporation                           48,000     2,034,000
                                               ------------
                                                  4,893,750
                                               ------------

Miscellaneous -- 1.4%
Harsco Corporation                     34,500     2,320,125
Minnesota Mining &
 Manufacturing
 Company                               68,000     4,692,000
                                               ------------
                                                  7,012,125
                                               ------------
Photography -- 0.7%
Eastman Kodak
 Company                               45,000     3,498,750
                                               ------------
Publishing & Printing -- 1.8%
The Dun &
 Bradstreet Corporation                42,000     2,625,000
The McGraw-Hill
 Companies, Inc.                       89,000     4,071,750
R.R. Donnelley & Sons
 Company                               75,500     2,633,063
                                               ------------
                                                  9,329,813
                                               ------------
Retail -- 1.1%
The May Department
 Stores Company                        70,500     3,084,375
Sears Roebuck and Co.                  48,000     2,334,000
                                               ------------
                                                  5,418,375
                                               ------------
Retail-Grocery -- 1.0%
Albertson's, Inc.                      96,000     3,972,000
American Stores
 Company                               31,900     1,315,875
                                               ------------
                                                  5,287,875
                                               ------------
Telephone Utilities -- 1.3%
Ameritech Corporation                  38,500     2,285,938
Frontier Corporation                   80,500     2,465,313
Southern New England
 Telecommunications
 Corporation                           48,000     2,016,000
                                               ------------
                                                  6,767,251
                                               ------------
 
Tobacco -- 1.6%
American Brands, Inc.                  88,500  $  4,015,688
UST Inc.                              117,000     4,007,250
                                               ------------
                                                  8,022,938
                                               ------------
TOTAL EQUITIES                                  251,891,774
                                               ------------
(Cost $188,666,633)
                                   Principal
                                   Amount      Market Value
                                   ----------  ------------
<S>                                <C>         <C>  
BONDS & NOTES -- 17.0%
ASSET BACKED SECURITIES -- 1.0%
Daimler-Benz Auto
 Grantor Trust 1995-A
 5.850% 5/15/2002                  $1,494,595  $  1,488,512
Daimler-Benz Vehicle
 Trust 1994-A
 5.950% 12/15/2000                    266,540       266,438
Ford Credit 1994-B
 Grantor Trust
 7.300% 10/15/1999                    488,805       494,148
Honda Auto
 Receivables 1992-A
 Grantor Trust
 4.900% 6/15/1998                      50,659        50,469
Nissan Auto
 Receivables 1994-A
 Grantor Trust
 6.450% 9/15/1999                     641,051       642,653
Railcar Trust No.
 1992-1
 7.750% 6/01/2004                     410,535       424,904
World Omni 1996-A
 Automobile Lease
 Securitization Trust
 6.300% 6/25/2002                   1,500,000     1,499,040
                                               ------------
TOTAL ASSET BACKED
SECURITIES                                        4,866,164
                                               ------------
(Cost $4,862,226)

CORPORATE DEBT -- 4.4%

American Airlines, Inc.*
 9.780% 11/26/2011                  1,000,000     1,115,620
AMR Corporation*
 9.000% 8/01/2012                     500,000       540,600
Analog Devices, Inc.
 6.625% 3/01/2000                     500,000       488,505
Bell Atlantic Financial
 Services, Inc.*
 6.610% 2/04/2000                   1,000,000       997,540
Cardinal Distribution,
 Inc.
 8.000% 3/01/1997                     500,000       505,945
Champion International
 Corporation
 6.400% 2/15/2026                   1,000,000       924,320
The Charles Schwab
 Corporation
 6.250% 1/23/2003                   1,000,000       945,000
 
CITGO Petroleum
 Corp.
 7.875% 5/15/2006                  $  250,000  $    247,928
Continental Airlines,
 Inc. 1996-B 144A
 7.820% 4/15/2015                     500,000       488,415
Continental Airlines,
 Inc. 2B 144A
 8.560% 7/02/2014                     500,000       528,045
Delta Air Lines, Inc.
 8.540% 1/02/2007                     437,643       454,379
English China Clays
 Delaware Inc.*
 7.375% 10/01/2002                    500,000       500,875
ERAC USA Finance
 Company 144A
 6.950% 1/15/2006                     500,000       465,825
FBG Finance Ltd.
 144A
 7.875% 6/01/2016                   1,000,000       996,570
Fletcher Challenge Ltd.
 7.750% 6/20/2006                     500,000       507,040
General American
 Transportation
 Corporation
 6.750% 3/01/2006                   1,000,000       951,080
The Goldman Sachs
 Group, L.P. 144A
 6.200% 2/15/2001                   1,000,000       957,250
GTE Corporation
 9.100% 6/01/2003                     500,000       552,435
Leucadia National
 Corporation
 7.750% 8/15/2013                   1,000,000       942,860
McDonnell Douglas
 Corporation*
 9.250% 4/01/2002                     500,000       550,110
Newmont Mining Corp.*
 8.625% 4/01/2002                   1,000,000     1,046,270
North Finance
 (Bermuda) Limited
 144A
 7.000% 9/15/2005                   1,000,000       960,000
Polaroid Corporation
 7.250% 1/15/1997                   1,000,000     1,004,970
Rolls-Royce Capital
 Inc.
 7.125% 7/29/2003                   1,000,000       980,620
Service Corporation
 International
 7.000% 6/01/2015                   1,000,000       999,220
TCI Communications,
 Inc.
 8.650% 9/15/2004                     355,000       361,834
Tele-Communications,
 Inc.
 9.800% 2/01/2012                     450,000       486,216
</TABLE>
(Continued)

32  The accompanying notes are an integral part of the financial statements.  
<PAGE>
 
MassMutual Balanced Fund - Portfolio of Investments (Continued)
<TABLE>
<CAPTION>
 
                                                         Principal
                                                          Amount     Market Value
                                                        -----------  ------------
<S>                                                     <C>          <C>
Thomas & Betts
 Corporation
 8.250% 1/15/2004                                       $   500,000       512,165
Time Warner, Inc.
 7.750% 6/15/2005                                         1,000,000       976,220
US Air, Inc. 144A
 7.500% 4/15/2008                                           500,000       484,680
W.R. Grace & Co.
 8.000% 8/15/2004                                         1,000,000     1,041,600
                                                                      -----------
TOTAL CORPORATE DEBT                                                   22,514,137
                                                                      -----------
(Cost $22,125,273)

U.S. GOVERNMENT AGENCY
OBLIGATIONS -- 4.7%
Federal Home Loan Mortgage Corporation 
(FHLMC) -- 1.0%
Collateralized Mortgage Obligations -- 1.0%
FHLMC Series 1322
 Class G
 7.500% 2/15/2007                                         1,000,000     1,019,680
FHLMC Series 1625
 Class D
 5.250% 7/15/2004                                         3,100,000     3,030,250
FHLMC Series 1625
 Class EA
 5.750% 3/15/2007                                         1,000,000       971,250
                                                                      -----------
                                                                        5,021,180
                                                                      -----------
Pass-Through Securities -- 0.0%
FHLMC
 9.000% 3/01/2017                                           209,968       220,531
                                                                      -----------
                                                                        5,241,711
                                                                      -----------
Federal National Mortgage Association
(FNMA) -- 0.7%
Collateralized Mortgage Obligations -- 0.6%
FNMA Series 1993-134
 Class GA
 6.500% 2/25/2007                                         1,000,000       978,120
FNMA Series 1993-191
 Class PD
 5.400% 3/25/2004                                         1,000,000       979,680
FNMA Series 1993-221
 Class D
 6.000% 12/25/2008
                                                          1,000,000       934,060
                                                                      -----------
                                                                        2,891,860
                                                                      -----------
Pass-Through Securities -- 0.1%
FNMA
 8.000% 5/01/2013                                           656,312       673,041
                                                                      -----------
                                                                        3,564,901
                                                                      -----------
Government National Mortgage Association 
(GNMA) --  1.7%
Pass-Through Securities
GNMA
 6.000% 7/20/2025 -
        12/20/2025                                      $ 2,393,817     2,415,637
GNMA
 7.500% 10/15/2006 -
        6/15/2017                                         3,234,149     3,235,571
GNMA
 8.000% 11/15/2004 -
        7/15/2008                                         2,082,793     2,136,178
GNMA
 9.000% 12/15/2008 -
        5/15/2009                                           648,082       686,966
                                                                      -----------
                                                                        8,474,352
                                                                      -----------
U.S. Government Guaranteed Notes -- 1.3%
1991-A Fairfax
 County, VA
 8.740% 8/01/2001                                           200,000       215,374
1991-A Jefferson
 Park, CA
 8.740% 8/01/2001                                         1,740,000     1,873,754
1991-A Monroe
 County, NY
 8.740% 8/01/2001                                           500,000       538,435
1991-A Rochester, NY
 8.740% 8/01/2001                                            60,000        64,612
1994-A Ocean Shores,
 WA
 5.040% 8/01/1996                                           100,000       100,000
1994-A Sacramento
 City, CA
 5.040% 8/01/1996                                           190,000       190,000
1994-A Virginia Beach,
 VA
 5.040% 8/01/1996                                           210,000       210,000
U.S. Dept. of Housing
 and Urban
 Development, Series
 1995-A*
 8.240% 8/01/2002                                         3,000,000     3,226,350
                                                                      -----------
                                                                        6,418,525
                                                                      -----------
TOTAL U.S. GOVERNMENT
AGENCY OBLIGATIONS                                                     23,699,489
                                                                      ===========
(Cost $23,235,050)

U.S. TREASURY OBLIGATIONS -- 6.9%
U.S. Treasury Bond -- 2.8%
U.S. Treasury Bond
 8.750% 5/15/2017                                        11,750,000    13,940,318
                                                                      -----------
U.S. Treasury Notes -- 4.1%
U.S. Treasury Note
 6.125% 3/31/1998                                         8,500,000     8,506,630
U.S. Treasury Note
 6.250% 5/31/2000                                         6,500,000     6,458,335
 
U.S. Treasury Note
 6.375% 5/15/1999                                       $ 4,500,000     4,509,855
U.S. Treasury Note
 7.250% 5/15/2004                                         1,500,000     1,554,135
                                                                      -----------
                                                                       21,028,955
                                                                      -----------
TOTAL U.S. TREASURY
OBLIGATIONS                                                            34,969,273
                                                                      -----------
(Cost $35,179,782)

TOTAL BONDS & NOTES                                                    86,049,063
                                                                      -----------
(Cost $85,402,331)

SHORT-TERM INVESTMENTS -- 33.3%
Commercial Paper
Airtouch
 Communications, Inc.
 5.440% 8/21/1996                                         4,715,000     4,678,663
Airtouch
 Communications, Inc.
 5.500% 7/01/1996                                         4,265,000     4,265,000
Burlington Northern
 Santa Fe Corporation
 5.470% 8/05/1996                                         3,290,000     3,272,504
Carter Holt Harvey
 Limited
 5.470% 7/10/1996                                         3,600,000     3,595,077
Carter Holt Harvey
 Limited
 5.500% 7/31/1996                                         2,350,000     2,339,229
Central and South
 West Corporation
 5.600% 8/16/1996                                         5,115,000     5,078,399
Central and South
 West Corporation
 5.600% 8/19/1996                                         3,380,000     3,354,237
Cincinnati Bell Inc.
 5.150% 8/20/1996                                         3,925,000     3,896,925
Comdisco, Inc.
 5.470% 7/19/1996                                         3,900,000     3,889,333
Comdisco, Inc.
 5.480% 7/17/1996                                         8,695,000     8,673,823
ConAgra, Inc.
 5.550% 8/07/1996                                         6,250,000     6,214,349
ConAgra, Inc.
 5.570% 8/27/1996                                         4,690,000     4,648,638
ConAgra, Inc.
 5.570% 8/30/1996                                         5,310,000     5,260,248
Cox Enterprises, Inc.
 5.450% 7/15/1996                                         3,025,000     3,018,589
Cox Enterprises, Inc.
 5.530% 8/09/1996                                         3,790,000     3,767,295
Cox Enterprises, Inc.
 5.550% 8/23/1996                                         3,035,000     3,010,202
Cox Enterprises, Inc.
 5.560% 8/15/1996                                         4,460,000     4,429,003
Crown Cork & Seal
 Company, Inc.
 5.450% 7/17/1996                                         5,525,000     5,511,617

</TABLE>
                                                                   (Continued)

The accompanying notes are an integral part of the financial statements.  33
<PAGE>
 
MassMutual Balanced Fund - Portfolio of Investments (Continued)
<TABLE>
<CAPTION>
 
                                     Principal
                                       Amount    Market Value
                                     ----------  -------------
<S>                                  <C>         <C>
Crown Cork & Seal
 Company, Inc.
 5.470% 7/25/1996                    $4,270,000   $  4,254,429
Crown Cork & Seal
 Company, Inc.
 5.480% 7/23/1996                     4,280,000      4,265,667
Dana Credit
 Corporation
 5.500% 7/11/1996                     4,095,000      4,088,744
Dana Credit
 Corporation
 5.550% 8/06/1996                     3,610,000      3,589,964
Dana Credit
 Corporation
 5.550% 8/12/1996                     2,870,000      2,851,417
Eastman Chemical
 Company
 5.550% 7/24/1996                     5,450,000      5,430,675
Illinois Power
 Company
 5.520% 7/30/1996                     4,585,000      4,564,612
Lockheed Martin
 Corporation
 5.500% 7/12/1996                     2,470,000      2,465,849
Lockheed Martin
 Corporation
 5.550% 8/01/1996                     3,140,000      3,124,993
MCI Communications
 Corporation
 5.300% 7/01/1996                     5,555,000      5,555,000
ORIX Credit Alliance,
 Inc.
 5.520% 7/02/1996                     3,640,000      3,639,442
ORIX Credit Alliance,
 Inc.
 5.530% 7/03/1996                     3,270,000      3,268,995
Praxair, Inc.
 5.480% 7/22/1996                     4,000,000      3,987,213
Praxair, Inc.
 5.550% 8/26/1996                     4,650,000      4,609,855
Public Service
 Electric and Gas
 Company
 5.450% 7/16/1996                     6,130,000      6,116,080
Public Service
 Electric and Gas
 Company
 5.520% 8/02/1996                     5,065,000      5,040,148
Service Corporation
 International
 5.500% 7/29/1996                     3,530,000      3,514,900
Textron Financial
 Corporation
 5.450% 7/24/1996                       825,000        822,128
Textron Financial
 Corporation
 5.520% 7/08/1996                     1,830,000      1,828,036
 
Textron Inc.
 5.580% 8/08/1996                    $4,150,000   $  4,125,557
Tyson Foods, Inc.
 5.470% 7/26/1996                     4,330,000      4,313,552
Union Oil Company of
 California
 5.450% 7/18/1996                     3,825,000      3,815,156
Union Oil Company of
 California
 5.500% 7/09/1996                     3,655,000      3,650,533
UOP
 5.500% 7/08/1996                     1,195,000      1,193,720
                                                 -------------
TOTAL SHORT-TERM
INVESTMENTS                                        169,019,796
                                                 -------------
(Cost $169,020,253)

TOTAL INVESTMENTS -- 99.9%                         506,960,633
(Cost $443,089,217)+

Other Assets/
(Liabilities) - 0.1%                                   500,200
                                                 -------------

NET ASSETS -- 100.0%                              $507,460,833
                                                 =============
</TABLE>



Notes to Portfolio of Investments
+Aggregate cost for Federal tax purposes (Note 7)

144A: Securities exempt from registration under 144A: Rule 144A of the
      Securities Act of 1933. These securities may be resold in transactions
      exempt from registration, normally to qualified institutional buyers.

 . All or a portion of this security is segregated to cover forward purchase
commitments. (Note 2).

34  The accompanying notes are an integral part of the financial statements.
<PAGE>
 
MassMutual Balanced Fund - Financial Statements
<TABLE>
<CAPTION>
                                                                                             June 30, 1996
                                                                                              (Unaudited)
                                                                                            ---------------
<S>                                                                                         <C>
Statement of
Assets and           Assets:
Liabilities             Investments, at value (cost  $274,068,964) (Note 2)............     $   337,940,837
                        Short-term investments, at value (cost  $169,020,253) (Note 2).         169,019,796
                                                                                            ---------------
                          Total Investments............................................         506,960,633
                        Cash...........................................................               8,961
                        Receivables from:
                          Investments sold.............................................             759,042
                         Settlement of investments purchased on a
                           forward commitment basis (Note 2)...........................               1,419
                         Fund shares sold..............................................             679,608
                         Interest and dividends........................................           1,621,806
                         Investment manager (Note 3)...................................              16,807
                                                                                            ---------------
                           Total assets................................................         510,048,276
                                                                                            ===============

                     Liabilities:
                        Payables for:
                          Investments purchased........................................           1,573,773
                          Fund shares redeemed.........................................             772,818
                          Directors' fees and expenses (Note 3)........................               2,011
                          Affiliates (Note 3):
                            Investment management fees.................................             186,480
                            Administration fees........................................              35,427
                            Service and distribution fees..............................                 261

                          Accrued expenses and other liabilities.......................              16,673
                                                                                            ---------------
                            Total liabilities..........................................           2,587,443
                                                                                            ---------------
                          Net assets...................................................     $   507,460,833
                                                                                            ===============
                     Net assets consist of:
                          Paid-in capital..............................................     $   429,036,468
                          Undistributed net investment income..........................           9,468,853
                          Accumulated net realized gain on investments.................           5,082,677
                          Net unrealized appreciation on investments
                            and forward commitments....................................          63,872,835
                                                                                            ---------------
                                                                                            $   507,460,833
                                                                                            ===============
                     Net assets:
                        Class 1........................................................     $       128,795
                                                                                            ===============
                        Class 2........................................................     $       126,539
                                                                                            ===============
                        Class 3........................................................     $       127,063
                                                                                            ===============
                        Class 4........................................................     $   507,078,436
                                                                                            ===============
                     Shares outstanding:
                        Class 1........................................................              10,706
                                                                                            ===============
                        Class 2........................................................              10,464
                                                                                            ===============
                        Class 3........................................................              10,473
                                                                                            ===============
                        Class 4........................................................          41,890,565
                                                                                            ===============
                     Net asset value, offering price and
                     redemption price per share:
                        Class 1........................................................     $         12.03
                                                                                            ===============
                        Class 2........................................................     $         12.09
                                                                                            ===============
                        Class 3........................................................     $         12.13
                                                                                            ===============
                        Class 4........................................................     $         12.10
                                                                                            ===============
</TABLE>

The accompanying notes are an integral part of the financial statements.    35
<PAGE>
 
MassMutual Balanced Fund - Financial Statements (Continued)
<TABLE> 
<CAPTION> 
                                                                                         Six months ended
                                                                                           June 30, 1996
                                                                                            (Unaudited)
                                                                                          -------------
Statement of
Operations
<S>            <C>                                                                      <C> 
               Investment income:
                  Interest.............................................................   $  7,347,336
                  Dividends............................................................      3,188,419
                                                                                         -------------
                    Total investment income............................................     10,535,755
                                                                                         -------------

               Expenses (Note 1):
                  Investment management fees (Note 3)..................................      1,094,353
                  Custody fees.........................................................         26,398
                  Audit and legal fees.................................................          7,543
                  Directors' fees (Note 3).............................................          5,154
                  Fees waived by the investment manager................................        (95,514)
                                                                                         -------------
                                                                                             1,037,934

               Administration fees (Note 3):
                 Class 1...............................................................            420
                 Class 2...............................................................            322
                 Class 3...............................................................            200
                 Class 4...............................................................        207,029
               Distribution and service fees (Note 3):
                 Class 1...............................................................            478
                 Class 2...............................................................             93
                                                                                         -------------
                   Net expenses........................................................      1,246,476
                                                                                         -------------
                   Net investment income...............................................      9,289,279
                                                                                         -------------

               Realized and unrealized gain (loss):
                 Net realized gain on investment transactions and forward commitments..      4,205,355
                 Net change in unrealized appreciation (depreciation) on
                   investments and forward commitments.................................     10,888,732
                                                                                         -------------
                     Net realized and unrealized gain..................................     15,094,087
                                                                                         -------------
                Net increase in net assets resulting from operations...................  $  24,383,366
                                                                                         =============
</TABLE>

36  The accompanying notes are an integral part of the  financial statements.
<PAGE>
 
MassMutual Balanced Fund - Financial Statements (Continued)

<TABLE>
<CAPTION>
                                                             Six months ended
                                                               June 30, 1996      Year ended
                                                                (Unaudited)    December 31, 1995
                                                             ----------------- ----------------
Statements of
Changes in Net
Assets
<S>                                                             <C>             <C>
                  Increase(Decrease) in Net Assets:
                  Operations:
                    Net investment income......................  $  9,289,279    $ 16,724,229
                    Net realized gain on investment
                     transactions and forward commitments.......     4,205,355       4,359,989
                    Net change in unrealized appreciation
                     (depreciation) on
                     investments and forward commitments.......    10,888,732      55,498,858
                                                                 ------------    ------------
                     Net increase in net assets resulting
                     from operations...........................    24,383,366      76,583,076
                                                                 ------------    ------------
                  Distributions to shareholders (Note 2):
                    From net investment income:
                    Class 1....................................            --          (4,846)
                    Class 2....................................            --          (3,751)
                    Class 3....................................            --          (4,120)
                    Class 4....................................            --     (16,528,781)
                                                                 ------------    ------------
                     Total distributions from net
                     investment income.........................            --     (16,541,498)
                                                                 ------------    ------------
                    From net realized gains:
                    Class 1....................................            --          (1,239)
                    Class 2....................................            --            (859)
                    Class 3....................................            --            (857)
                    Class 4....................................            --      (3,230,318)
                                                                 ------------    ------------
                     Total distributions from net
                     realized gains............................            --      (3,233,273)
                                                                 ------------    ------------
                  Net fund share transactions (Note 5):
                    Class 1....................................       (51,086)         55,401
                    Class 2....................................            --           4,610
                    Class 3....................................            --           4,977
                    Class 4....................................    25,941,022      50,326,522
                                                                 ------------    ------------
                     Increase in net assets from net fund
                     share transactions........................    25,889,936      50,391,510
                                                                 ------------    ------------
                    Total increase in net assets...............    50,273,302     107,199,815
                  Net assets:
                    Beginning of period........................   457,187,531     349,987,716
                                                                 ------------    ------------
                    End of period (including
                     undistributed net investment income
                     of $9,468,853 and $179,574,
                     respectively).............................  $507,460,833    $457,187,531
                                                                 ============    ============
</TABLE>

The accompanying notes are an integral part of the financial statements. 37
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Balanced Fund - Financial Statements (Continued)
- --------------------------------------------------------------------------------

Financial Highlights
(For a share outstanding throughout each period)

<TABLE> 
<CAPTION> 
                                                          Class 1
                                                         ----------
                                       Six months ended
                                            6/30/96      Year ended Period ended
                                          (Unaudited)     12/31/95   12/31/94**
                                          -----------    ----------  ---------- 
<S>                                    <C>              <C>         <C>
Net asset value, beginning of period       $   11.50    $      9.94   $   10.00
                                          -----------    ----------  ---------- 
Income (loss) from investment operations:
     Net investment income                      0.16           0.28        0.06
     Net realized and unrealized gain
      (loss) on investments                     0.37           1.70       (0.06)
                                          -----------    ----------  ---------- 
     Total income (loss) from
      investment operations                     0.53           1.98          --
                                          -----------    ----------  ---------- 
Less distributions to shareholders:
     From net investment income                   --          (0.33)      (0.06)
     From net realized gains                      --          (0.09)         --
                                          -----------    ----------  ---------- 
       Total distributions                        --          (0.42)      (0.06)
                                          -----------    ----------  ---------- 
Net asset value, end of period             $   12.03    $     11.50   $    9.94
                                          ===========    ==========  ========== 
Total Return                                    4.61%         19.92%       0.00%

Ratios/Supplemental Data:

Net assets, end of period (000's)          $     129    $       173   $     100
     Net expenses to average daily net
      assets#                                   1.65%*         1.65%       1.65%*
     Net investment income to average
      daily net assets                          2.70%*         3.03%       3.39%*
     Portfolio turnover rate                      12%            23%          2%
     Average broker commission rate        $   .0597            N/A         N/A

      #Computed after giving effect to
       the reduction in management 
       fee by MassMutual.  Without 
       this reduction of fees by 
       the investment manager, the 
       ratio of expenses to 
       average daily net assets
       would have been:                         1.68%*         1.69%       1.71%*

<CAPTION> 

                                                          Class 2
                                                         ----------
                                       Six months ended
                                            6/30/96      Year ended Period ended
                                          (Unaudited)     12/31/95   12/31/94**
                                          -----------    ----------  ---------- 
<S>                                    <C>              <C>         <C>
Net asset value, beginning of period       $   11.53     $     9.95   $   10.00
                                          -----------    ----------  ---------- 
Income (loss) from investment
 operations:
     Net investment income                      0.19           0.39        0.06
     Net realized and unrealized gain
      (loss) on investments                     0.37           1.65       (0.04)
                                          -----------    ----------  ---------- 
      Total income (loss) from
      investment operations                     0.56           2.04        0.02
                                          -----------    ----------  ---------- 
Less distributions to shareholders:
     From net investment income                   --          (0.37)      (0.07)
     From net realized gains                      --          (0.09)         --
                                          -----------    ----------  ---------- 
      Total distributions                         --          (0.46)      (0.07)
                                          -----------    ----------  ---------- 
Net asset value, end of period             $   12.09     $    11.53   $    9.95
                                          ===========    ==========  ========== 
Total Return                                    4.86%         20.50%       0.17%

Ratios/Supplemental Data:

     Net assets, end of period (000's)     $     127     $      121   $     100
     Net expenses to average daily net
      assets                                    1.10%*         1.10%       1.10%*
     Net investment income to average
      daily net assets                          3.23%*         3.60%       3.94%*
     Portfolio turnover rate                      12%            23%          2%
     Average broker commission rate        $   .0597            N/A         N/A
                                        
      #Computed after giving effect to  
       the reduction in management      
       fee by MassMutual.  Without      
       this reduction of fees by        
       the investment manager, the      
       ratio of expenses to             
       average daily net assets                 
       would have been:                         1.14%*         1.14%       1.16%* 
</TABLE> 
*Annualized
**For the period from October 3, 1994 (commencement of operations) through
 December 31, 1994.
 
    The accompanying notes are an integral part of the financial statements.

38
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Balanced Fund - Financial Statements (Continued)
- --------------------------------------------------------------------------------

Financial Highlights
(For a share outstanding throughout each period)

<TABLE> 
<CAPTION> 

                                                          Class 3
                                                         ----------
                                       Six months ended
                                            6/30/96       Year ended      Period ended
                                          (Unaudited)      12/31/95        12/31/94**
                                          ----------      ----------       ---------- 
<S>                                    <C>               <C>              <C>
Net asset value, beginning of period       $   11.55       $    9.96        $   10.00
                                          ----------      ----------       ---------- 
Income (loss) from investment                                      
 operations:                                                       
     Net investment income                      0.21            0.43             0.07
     Net realized and unrealized gain                              
      (loss) on investments                     0.37            1.66            (0.04)
                                          ----------      ----------       ---------- 
      Total income (loss) from                                     
      investment operations                     0.58            2.09             0.03
                                          ----------      ----------       ---------- 
Less distributions to shareholders:                                
     From net investment income                   --           (0.41)           (0.07)
     From net realized gains                      --           (0.09)              --
                                          ----------      ----------       ---------- 
      Total distributions                         --           (0.50)           (0.07)
                                          ----------      ----------       ---------- 
Net asset value, end of period             $   12.13       $   11.55        $    9.96
                                          ==========      ==========       ========== 
Total Return                                    5.02%          20.96     %       0.28%
Ratios / Supplemental Data:                                        
     Net assets, end of period (000's)     $     127       $     121        $     100
     Net expenses to average daily net                             
      assets#                                   0.75%*          0.75     %       0.75%*
     Net investment income to average                              
      daily net assets                          3.58%*          3.94     %       4.32%*
     Portfolio turnover rate                      12%             23     %          2%
Average broker commission rate             $   .0597             N/A              N/A
      #Computed after giving effect to                             
       the reduction in                                            
       management fee by MassMutual.                               
       Without this reduction of                                   
       fees by the investment manager,                             
       the ratio of expenses                                       
       to average daily net assets                                 
       would have been:                         0.79%*          0.79     %       0.81%*

<CAPTION> 
                                                           Class 4
                                                         ----------
                                       Six months ended
                                            6/30/96      Year ended     Period ended
                                          (Unaudited)     12/31/95       12/31/94**
                                          ----------     ----------      ---------- 
<S>                                    <C>              <C>             <C>
Net asset value, beginning of period       $   11.51     $     9.92       $   10.00
                                          ----------     ----------      ---------- 
Income (loss) from investment                                       
 operations:                                                        
     Net investment income                      0.22           0.44            0.11
     Net realized and unrealized gain                               
      (loss) on investments                     0.37           1.68           (0.08)
                                          ----------     ----------      ---------- 
      Total income (loss) from                                      
      investment operations                     0.59           2.12            0.03
                                          ----------     ----------      ---------- 
Less distributions to shareholders:                                 
     From net investment income                   --          (0.44)          (0.11)
     From net realized gains                      --          (0.09)             --
                                          ----------     ----------      ---------- 
      Total distributions                         --          (0.53)          (0.11)
                                          ----------     ----------      ---------- 
Net asset value, end of period             $   12.10     $    11.51       $    9.92
                                          ==========     ==========      ========== 
Total Return@                                   5.13%         21.31%           0.29%
Ratios / Supplemental Data:                                         
     Net assets, end of period (000's)     $ 507,078     $  456,773       $ 349,688
     Net expenses to average daily net                              
      assets                                  0.5120%*       0.5120%         0.5120%*
     Net investment income to average                               
      daily net assets                          3.82%*         4.18%           4.29%*
     Portfolio turnover rate                      12%            23%              2%
Average broker commission rate             $   .0597            N/A             N/A
      #Computed after giving effect to                              
       the reduction in                                             
       management fee by MassMutual.                                
       Without this reduction of                                    
       fees by the investment manager,                              
       the ratio of expenses                                        
       to average daily net assets                                  
       would have been:                       0.5504%*       0.5514%         0.5650%*
</TABLE> 
*Annualized
**For the period from October 3, 1994 (commencement of operations) through
  December 31, 1994.
@Employee retirement benefit plans that invest plan assets in the Separate
Investment Accounts (SIAs) may be subject to certain charges as set forth in
their respective Plan Documents. Total return figures would be lower for the
periods presented if they reflected these charges.

    The accompanying notes are an integral part of the financial statements.  39

                                                                              
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Small Cap Value Equity - Portfolio Manager Report
- --------------------------------------------------------------------------------

What are the investment      The objective and policies of the Fund are to:
objective and policies       
for the MassMutual           .achieve long-term growth of capital and income   
Value Equity Fund?           
                             .invest primarily in a diversified portfolio of 
                              equity securities of larger, well established  
                              companies (market capitalization over $2.0 
                              billion)
                             
                             .utilize a value-oriented, risk-averse strategy 
                              in making investment decisions

                             .utilize fundamental analysis to identify
                              companies which

                              -are of high investment quality

                              -offer above-average dividend growth

                              -are attractively valued                     
                                                                              
                                                                              
How has the Fund             The Fund's performance has been very good, though  
performed over the past      it has slightly lagged broad market indices for the
six months?                  period. In the sixth year of an economic growth    
                             cycle, investors tended to focus more on           
                             traditional high growth sectors of the market      
                             rather than the lower-risk area where we invest.   
                             Still, due to good stock selection, our performance
                             was sound in an absolute sense and it built a solid
                             foundation for full year results.


Has the fact that market     Not greatly. One place where investors reached for 
leadership moved away        higher returns in the first half of 1996 was       
from large stocks            smaller company stocks, in contrast to last year,  
impacted the portfolio?      when large company stocks were runaway leaders.    
                             Still, solid companies with recognized competitive 
                             strengths and sustainable earnings have remained in
                             favor regardless of their size. Ours is a portfolio
                             of very high quality companies, and we have not    
                             been disadvantaged by the shift in market interest 
                             towards smaller companies.
                             
                             
What types of                Because of reports of faster than expected economic
companies performed          growth in the first half, cyclical (or             
best during the period?      economically-sensitive) stocks performed very well.
                             As value investors, we had purchased a number of   
                             cyclical names at the end of 1995, when fears about
                             the economy's weakness made cyclicals one of the   
                             few real values within strong bull market. This    
                             positioning paid off during the first half of 1996.
                             Some of our best performers included machinery     
                             manufacturers Parker-Hannifin Corporation, Dover   
                             Corporation and Harsco Corporation, electrical     
                             equipment firms such as General Electric Company,  
                             Honeywell Inc. and General Signal Corporation, and 
                             retailers including The May Department Stores      
                             Company, Sears Roebuck and Co., Albertson's, Inc.
                             and American Stores Company.


How is the portfolio         Recently, we've been working to reduce our total  
currently positioned?        number of portfolio holdings, anticipating        
                             continued selectivity in the market. We are both  
                             eliminating smaller holdings that we believe don't
                             merit being brought to full position size, and    
                             adding to those we feel confident are positioned  
                             for growth, but that are still selling for        
                             reasonable prices. For example, we've recently    
                             increased our insurance holdings, adding strong   
                             companies like Marsh & McLennan Companies, Inc.,  
                             where we see good cash flows being generated, a   
                             healthy dividend and strong prospects for future   
                             dividend growth.


What is the outlook for      We believe the Fund will continue to do well,      
the portfolio?               especially in light of increased market volatility.
                             While volatility can be uncomfortable for the      
                             market watchers, it is precisely this type of      
                             environment that creates opportunity for value     
                             investors. Price fluctuations both allow us to buy 
                             stocks we want to own at temporarily reduced prices
                             and to sell stocks when they reach our target sell 
                             price. Our value-oriented investment approach is   
                             one that has been very successful over time, and we
                             expect it to help us continue to provide superior  
                             returns going forward.

40
<PAGE>
 
MassMutual Value Equity Fund - Portfolio Manager Report (Continued)

- --------------------------------------------------------------------------------
Growth of a $10,000 Investment
Hypothetical Investments in MassMutual Value Equity
Fund Classes 1-4 and the Standard & Poor's 500
Composite Index.

- --------------------------------------------------------------------------------
MassMutual Value Equity Fund
Total Return
<TABLE> 
<CAPTION> 
                                Year to Date      One Year      Average Annual
                               1/1/96-6/30/96  7/1/95-6/30/96  10/3/94-6/30/96 
<S>                            <C>             <C>             <C> 
Class 1                             8.00%          21.62%            21.32%
Class 2                             8.30%          22.21%            22.01%
Class 3                             8.45%          22.64%            22.40%
Class 4                             8.63%          22.93%            22.71%

- --------------------------------------------------------------------------------
Standard & Poor's                  10.09%          26.00%              --
500 Composite Index
- --------------------------------------------------------------------------------
</TABLE> 
Past performance is not predictive of future results.  The investment return and
principal value of shares of the Fund will fluctuate with market conditions so 
that shares of the Fund, when redeemed, may be worth more or less than their 
original cost.  Investors should note that the Fund is a professionally managed 
mutual fund, while the Standard & Poor's 500 Composite Index is unmanaged and 
does not incure expenses.

                GROWTH OF A $10,000 INVESTMENT SINCE INCEPTION

                           [LINE GRAPH APPEARS HERE]
<TABLE> 
<CAPTION> 
               Class 1     Class 2     Class 3     Class 4     S&P 500 INDEX
               -------     -------     -------     -------     -------
<S>            <C>         <C>         <C>         <C>         <C> 
10/3/94        $10,000     $10,000     $10,000     $10,000     $10,000
  12/94          9,961       9,978       9,982       9,990       9,998
   3/95         10,724      10,762      10,776      10,787      10,972
   6/95         11,507      11,566      11,590      11,613      12,019
   9/95         12,231      12,311      12,345      12,380      12,974
  12/95         12,959      13,052      13,106      13,141      13,756
   3/96         13,626      13,743      13,810      13,859      14,495
   6/96         13,995      14,135      14,213      14,276      15,144
</TABLE> 
- --------------------------------------------------------------------------------
MassMutual Value Equity Fund
Largest Stock Holdings (6/30/96)

Bristol-Myers Squibb Company
General Electric Company
Hewlett-Packard Company
Amoco Corporation
SAFECO Corporation
Pfizer Incorporated
AT&T Corporation
AMP Incorporated
Minnesota Mining & Manufacturing Company
Xerox Corporation



<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Value Equity Fund - Portfolio of Investments
- --------------------------------------------------------------------------------

Portfolio of Investments
June 30, 1996 (Unaudited)

                                          Number of
                                           Shares        Market Value
                                           ------        ------------
EQUITIES - 92.3%
Aerospace & Defense--2.4%
Boeing Company                             365,000       $  31,800,625
TRW, Inc.                                  260,000          23,367,500
                                                         -------------
                                                            55,168,125
                                                         -------------

Agribusiness--0.9%
Pioneer Hi-Bred International, Inc.        385,000          20,356,875
                                                         -------------

Apparel, Textiles & Shoes--1.0%
VF Corporation                             365,000          21,763,125
                                                         -------------

Automotive & Parts--4.4%
Ford Motor Company                         945,300          30,604,088
Genuine Parts Company                      735,000          33,626,250
Goodyear Tire & Rubber Company             750,000          36,187,500
                                                         -------------
                                                           100,417,838
                                                         -------------

Banking, Savings & Loans--5.4%
The Bank of New York Company, 
 Incorporated                              720,000          36,900,000
Comerica, Incorporated                     490,000          21,866,250
CoreStates Financial Corp.                 700,000          26,950,000
Norwest Corporation                        485,000          16,914,375
Wachovia Corp.                             494,000          21,612,500
                                                         -------------
                                                           124,243,125
                                                         -------------

Beverages--2.1%
Brown-Forman Corporation (Class B)         575,000          23,000,000
Pepsico, Inc.                              700,000          24,762,500
                                                         -------------
                                                            47,762,500
                                                         -------------

Chemicals--4.0%
Eastman Chemical Company                   319,975          19,478,478
E.I. du Pont de Nemours and Company        275,000          21,759,375
The Lubrizol Corporation                   400,000          12,150,000
Nalco Chemical Company                     546,800          17,224,200
Rohm & Haas Company                        315,000          19,766,250
                                                         -------------
                                                            90,378,303
                                                         -------------

Communications--1.9%
AT&T Corporation                           700,000          43,400,000
                                                         -------------

Computers & Office Equipment--6.7%
Hewlett-Packard Company                    510,000          50,808,750
International Business Machines 
 Corporation                               291,000          28,809,000
Pitney Bowes, Inc.                         700,000          33,424,998
Xerox Corporation                          723,000          38,680,500
                                                         -------------
                                                           151,723,248
                                                         -------------

Containers--1.1%
Temple-Inland, Inc.                        525,000          24,543,750
                                                         -------------

Cosmetics & Personal Care--1.4%
Kimberly-Clark Corporation                 403,000          31,131,750
                                                         -------------

Electric Utilities--1.4%
Niagara Mohawk Power Corporation               500               3,875
NIPSCO Industries, Inc.                    330,000          13,282,500
SCANA Corporation                          625,000          17,578,125
                                                         -------------
                                                            30,864,500
                                                         -------------

Electrical Equipment & Electronics--7.6%
AMP, Incorporated                          975,000          39,121,875
General Electric Company                   775,000          67,037,500
General Signal Corporation                 415,000          15,718,125
Honeywell Inc.                             450,000          24,525,000
Hubbell, Incorporated (Class B)            400,036          26,502,365
                                                         ------------- 
                                                           172,904,865
                                                         -------------

Energy--8.0%
Amoco Corporation                          615,000          44,510,625
Atlantic Richfield Company                 168,000          19,908,000
Chevron Corporation                        600,000          35,400,000
Kerr-McGee Corporation                     360,000          21,915,000
Mobil Corporation                          290,000          32,516,250
Unocal Corporation                         574,900          19,402,875
USX-Marathon Group                         427,100           8,595,388
                                                         -------------
                                                           182,248,138
                                                         -------------

Financial Services--1.3%
American Express Company                   665,000          29,675,625
                                                         -------------

Foods--2.1%
ConAgra, Inc.                              326,900          14,833,088
CPC International, Inc.                    426,500          33,300,000
                                                         -------------
                                                            48,133,088
                                                         -------------

Forest Products & Paper--2.1%
Westvaco Corporation                       520,000          15,535,000
Weyerhaeuser Company                       775,000          32,937,500
                                                         -------------
                                                            48,472,500
                                                         -------------

Hardware & Tools--1.3%
The Stanley Works                        1,030,000          30,642,500
                                                         -------------

                                                                (Continued)

   The accompanying notes are an integral part of the financial statements.

42
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Value Equity Fund - Portfolio of Investments (Continued)
- --------------------------------------------------------------------------------

                                           Number of
                                            Shares       Market Value
                                            ------       ------------

Healthcare--8.1%
Becton, Dickinson and Company              425,000       $  34,106,250
Bristol-Myers Squibb Company               825,000          74,250,000
Pfizer, Incorporated                       610,000          43,538,750
Schering-Plough Corp.                      565,600          35,491,400
                                                         -------------
                                                           187,386,400

Household Products--1.0%
The Clorox Company                         270,000          23,928,750
                                                         -------------

Industrial Distribution--1.4%
W.W. Grainger, Inc.                        400,000          31,000,000
                                                         -------------

Industrial Transportation--1.5%
Norfolk Southern Corporation               400,000          33,900,000
                                                         -------------

Insurance--6.8%
Allstate Corporation                       305,921          13,957,646
Jefferson-Pilot Corporation                345,000          17,810,625
Marsh & McLennan Companies, Inc.           355,000          34,257,500
MBIA, Inc.                                 435,000          33,857,625
SAFECO Corporation                       1,240,000          43,865,000
Unitrin, Inc.                              234,950          11,042,650
                                                         -------------
                                                           154,809,046
                                                         -------------

Machinery & Components--1.8%
Dover Corporation                          540,000          24,907,500
Parker-Hannifin Corporation                400,000          16,950,000
                                                         -------------
                                                            41,857,500
                                                         -------------

Miscellaneous--2.65
Harsco Corporation                         300,000          20,175,000
Minnesota Mining & Manufacturing Company   565,000          38,985,000
                                                         -------------
                                                            59,160,000
                                                         -------------

Photography--1.3%
Eastman Kodak Company                      375,000          29,156,250
                                                         -------------

Publishing & Printing--3.4%
The Dun & Bradstreet Corporation           350,000          21,875,000
The McGraw Hill Companies, Inc.            740,000          33,855,000
R.R. Donnelley & Sons Company              630,000          21,971,250
                                                         -------------
                                                            77,701,250
                                                         -------------

Retail--2.0%
The May Department Stores Company          600,000          26,250,000
Sears Roebuck and Co.                      400,000          19,450,000
                                                         -------------
                                                            45,700,000
                                                         -------------

Retail-Grocery--1.9%
Albertson's, Inc.                          800,000          33,100,000
American Stores Company                    262,300          10,819,875
                                                         -------------
                                                            43,919,875
                                                         -------------

Telephone Utilities--2.5%
Ameritech Corporation                      320,000          19,000,000
Frontier Corporation                       700,000          21,437,500
Southern New England Telecommunications
Corporation                                400,000          16,800,000
                                                         -------------
                                                            57,237,500
                                                         -------------

Tobacco--2.9%
American Brands, Inc.                      735,000          33,350,625
UST Inc.                                   983,000          33,667,750
                                                         -------------
                                                            67,018,375
                                                         -------------

TOTAL EQUITIES                                           2,106,604,801
(Cost $ 1,566,892,716)                                   -------------

                                         Principal
                                          Amount          Market Value  
                                         ---------        ------------
[S]                                      [C]              [C]  
SHORT-TERM INVESTMENTS--7.4%
Commercial Paper
Airtouch Communications, Inc.
 5.440%  8/21/1996                      $5,000,000       $   4,961,467
Airtouch Communications, Inc.
 5.470%  8/02/1996                       3,980,000           3,960,648
Baltimore Gas and Electric Company
 5.250%  7/11/1996                       2,870,000           2,865,814
Burlington Northern Santa Fe Corporation  
 5.450%  7/25/1996                       5,820,000           5,798,854
Burlington Northern Santa Fe Corporation  
 5.550%  9/10/1996                       4,770,000           4,717,111
Carter Holt Harvey Limited
 5.480%  7/15/1996                       2,345,000           2,340,004
Carter Holt Harvey Limited
 5.500%  7/01/1996                       3,820,000           3,820,000
Central and South West Corporation       
 5.450%  7/08/1996                       6,370,000           6,363,250
Central and South West Corporation       
 5.500%  7/09/1996                       4,000,000           3,995,111
Central and South West Corporation       
 5.550%  8/05/1996                       5,070,000           5,042,643
Cincinnati Bell Inc.
 5.150%  8/20/1996                       3,390,000           3,365,752
Comdisco, Inc.
 5.450%  7/30/1996                       1,620,000           1,612,888
Comdisco, Inc.
 5.490%  8/13/1996                       2,190,000           2,175,639
Comdisco, Inc.
 5.550%  8/06/1996                       6,100,000           6,066,145
Comdisco, Inc.
 5.550%  8/15/1996                       3,400,000           3,376,413
ConAgra, Inc.
 5.550%  8/29/1996                       2,590,000           2,566,135
Cox Enterprises, Inc.
 5.490%  8/09/1996                       4,000,000           3,976,210
Cox Enterprises, Inc.
 5.530%  8/08/1996                       3,955,000           3,931,914
Cox Enterprises, Inc.
 5.550%  8/23/1996                       5,295,000           5,251,735

                                                               (Continued)
                                                                     43

   The accompanying notes are an integral part of the financial statements.
                                                                       
                                                                      
<PAGE>
- --------------------------------------------------------------------------------
MassMutual Value Equity Fund -- Portfolio of Investments (Continued)
- --------------------------------------------------------------------------------
<TABLE> 
<CAPTION> 

                          Number of
                           Shares             Market Value
                           ------             ------------
<S>                      <C>              <C> 
Crown Cork & Seal
 Company, Inc.
 5.470% 7/10/1996        $4,285,000       $   4,279,140
Crown Cork & Seal
 Company, Inc.
 5.500% 7/08/1996         1,060,000           1,058,866
Crown Cork & Seal
 Company, Inc.
 5.500% 8/01/1996         4,750,000           4,727,503
Dana Credit
 Corporation
 5.500% 7/12/1996         3,310,000           3,304,437
Dana Credit
 Corporation
 5.550% 8/30/1996         6,940,000           6,874,968
Federal Signal
 Corporation
 5.500% 9/03/1996         5,665,000           5,608,362
Illinois Power
 Company
 5.500% 7/23/1996         3,060,000           3,049,715
ORIX Credit Alliance,
 Inc.
 5.510% 7/16/1996         2,125,000           2,120,121
ORIX Credit Alliance,
 Inc.
 5.520% 7/02/1996         3,580,000           3,579,451
ORIX Credit Alliance,
 Inc.
 5.520% 7/03/1996         1,900,000           1,899,417
ORIX Credit Alliance,
 Inc.
 5.630% 10/18/1996        6,000,000           5,897,907
Praxair, Inc.
 5.450% 7/31/1996         6,000,000           5,972,750
Praxair, Inc.
 5.480% 7/22/1996         3,850,000           3,837,693
Praxair, Inc.
 5.550% 9/16/1996         3,765,000           3,719,728
Service Corporation
 International
 5.500% 7/29/1996         4,265,000           4,246,755
Sundstrand
 Corporation
 5.470% 7/18/1996         5,015,000           5,002,046

<CAPTION> 
                          Principal
                           Shares             Market Value
                           ------             ------------
<S>                      <C>             <C> 
Textron Financial
 Corporation
 5.450% 7/24/1996         7,185,000           7,159,982
Textron Financial
 Corporation
 5.470% 7/19/1996         6,000,000           5,983,590
Textron Financial
 Corporation
 5.500% 8/12/1996         3,740,000           3,716,002
Tyson Foods, Inc.
 5.470% 7/26/1996         3,580,000           3,566,401
Union Oil Company
 of California
 5.450% 7/17/1996         6,000,000           5,985,467
                                          -------------

TOTAL SHORT-TERM
INVESTMENTS                                 167,778,034
                                          -------------
(Cost $167,781,495)

TOTAL INVESTMENTS--99.7%                  2,274,382,835
(Cost $1,734,674,211)+

Other Assets/
(Liabilities) - 0.3%                          6,865,649
                                          -------------

NET ASSETS -- 100.0%                     $2,281,248,484
                                          -------------
</TABLE> 
Notes to Portfolio of Investments
+Aggregate cost for Federal tax purposes (Note 7)




44  The accompanying notes are an integral part of the financial statements.

<PAGE>
 
Mass Mutual Value Equity Fund - Financial Statements

Statement of Asset and Liabilities

<TABLE> 
<CAPTION>                                                                           
                                                                                      June 30, 1996
                                                                                       (Unaudited)
                                                                                    -----------------
<S>                                                                                 <C> 
Assets:
  Investments at value (cost $1,566,892,716)(Note 2).............................   $    2,106,604,801
  Short-term investments, at value (cost $167,781,495)(Note 2)...................          167,778,034
                                                                                    ------------------
    Total Investments............................................................        2,274,382,835
  Cash...........................................................................               65,462
  Receivables from:
    Investments sold.............................................................            5,467,728
    Fund shares sold.............................................................            1,366,824
    Interest and dividends.......................................................            3,978,664
    Investment manager (Note 3)..................................................               90,300
                                                                                    ------------------
      Total assets...............................................................        2,285,351,813    
                                                                                    ------------------

Liabilities:
  Payables for:
    Investments purchased........................................................               55,908
    Fund shares redeemed.........................................................            2,957,922
    Directors' fees and expenses (Note 3)........................................                2,011
    Affiliates (Note 3):
      Investment management fees.................................................              851,866
      Administration fees........................................................              171,455
      Service and distribution fees..............................................                  281
  Accrued expenses and other liabilities.........................................               63,886
                                                                                    ------------------
      Total liabilities..........................................................            4,103,329
                                                                                    ------------------
  Net assets.....................................................................   $    2,281,248,484
                                                                                    ==================
Net assets consist of:
  Paid-in capital................................................................   $    1,676,467,676
  Undistributed net investment income............................................           27,643,607
  Accumulated net realized gain on investments...................................           37,428,577
  Net unrealized appreciation on investments.....................................          539,708,624
                                                                                    ------------------
                                                                                    $    2,281,248,484
                                                                                    ==================
Net assets:
  Class 1........................................................................   $          139,609
                                                                                    ==================
  Class 2........................................................................   $          140,886
                                                                                    ==================
  Class 3........................................................................   $          141,457
                                                                                    ==================
  Class 4........................................................................   $    2,280,826,532
                                                                                    ==================

Shares outstanding:
  Class 1........................................................................               10,237
                                                                                    ==================
  Class 2........................................................................               10,284
                                                                                    ==================
  Class 3........................................................................               10,301
                                                                                    ==================
  Class 4........................................................................          166,228,937
                                                                                    ==================
Net asset value, offering price and redemption price per share:
  Class 1........................................................................   $            13.64
                                                                                    ==================
  Class 2........................................................................   $            13.70
                                                                                    ==================
  Class 3........................................................................   $            13.73
                                                                                    ==================
  Class 4........................................................................   $            13.72
                                                                                    ==================
</TABLE> 



The accompanying notes are an integral part of the financial statements.      45
<PAGE>
 
MassMutual Value Equity Fund - Financial Statements (Continued)

Statement of Operations

<TABLE>
<CAPTION>
                                                                                      Six months ended
                                                                                        June 30, 1996
                                                                                         (Unaudited)
                                                                                      -----------------
<S>                                                                                   <C>
Investment income:
  Dividends........................................................................   $      26,691,649
  Interest.........................................................................           6,004,344
                                                                                      -----------------
    Total investment income........................................................          32,695,993
                                                                                      -----------------
Expenses (Note 1):
  Investment management fees (Note 3)..............................................           5,042,553
  Custody fees.....................................................................              97,991
  Audit and legal fees.............................................................              34,109
  Directors' fees (Note 3).........................................................               5,154
  Fees waived by the investment manager (Note 3)...................................            (516,006)
                                                                                      -----------------
                                                                                              4,663,801
  Administration fees (Note 3):
    Class 1........................................................................                 393
    Class 2........................................................................                 362
    Class 3........................................................................                 228
    Class 4........................................................................           1,013,929
  Distribution and service fees (Note 3):
    Class 1........................................................................                 439
    Class 2........................................................................                 102
                                                                                      -----------------
      Net expenses.................................................................           5,679,254
                                                                                      -----------------
      Net investment income........................................................          27,016,739
                                                                                      -----------------
Realized and unrealized gain (loss):
  Net realized gain on investment transactions.....................................          32,624,857
  Net change in unrealized appreciation (depreciation)
    on investments.................................................................         124,305,464
                                                                                      -----------------
     Net realized and unrealized gain..............................................         156,930,321
                                                                                      -----------------
  Net increase in net assets resulting from operations.............................   $     183,947,060
                                                                                      =================
</TABLE>

The accompanying notes are an integral part of the financial statements.

<PAGE>

- ------------------------------------------------------------------------------- 
MassMutual Value Equity Fund - Financial Statements (Continued)
- -------------------------------------------------------------------------------

Statements of Changes in Net Assets

<TABLE> 
<CAPTION> 
                                                                      Six months ended           
                                                                       June 30, 1996            Year ended
                                                                        (Unaudited)          December 31, 1995
                                                                     ---------------         ----------------
<S>                                                                  <C>                     <C> 
Increase (Decrease) in Net Assets:
Operations:
  Net investment income......................................        $     27,016,739        $     50,082,342
  Net realized gain on investment transactions...............              32,624,857              21,371,652
  Net change in unrealized appreciation (depreciation)
    on investments...........................................             124,305,464             429,724,511
                                                                     ----------------        ----------------
    Net increase in net assets resulting from operations.....             183,947,060             501,178,505
                                                                     ----------------        ----------------
Distributions to shareholders (Note 2):
  From net investment income:
  Class 1....................................................                     ---                  (1,761)
  Class 2....................................................                     ---                  (2,382)
  Class 3....................................................                     ---                  (2,774)
  Class 4....................................................                     ---             (49,597,273)
                                                                     ----------------        ----------------
    Total distributions from net realized gains..............                     ---             (49,604,190)
                                                                     ----------------        ----------------
  From net realized gains:
  Class 1....................................................                     ---                    (990)
  Class 2....................................................                     ---                    (990)
  Class 3....................................................                     ---                    (998)
  Class 4....................................................                                     (16,056,271)
                                                                     ----------------        ----------------
    Total distributions from net realized gains..............                     ---             (16,059,239)
                                                                     ----------------        ----------------
Net fund share transactions (Note 5):
  Class 1....................................................                     ---                   2,751
  Class 2....................................................                     ---                   3,372
  Class 3....................................................                     ---                   3,763
  Class 4....................................................             (28,336,718)            126,252,551
                                                                     ----------------        ----------------
    Increase (decrease) in net assets from net fund
      share transactions.....................................             (28,336,718)            126,262,437
                                                                     ----------------        ----------------
    Total increase in net assets.............................             155,610,342             561,777,513

Net assets:
  Beginning of period........................................           2,125,638,142           1,563,860,629
                                                                     ----------------        ----------------
  End of period (including undistributed net investment income
    of $27,643,607 and $626,868, respectively)...............        $  2,281,248,484        $  2,125,638,142
                                                                     ================        ================
</TABLE> 

The accompanying notes are an integral part of the financial statements.     47

<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Value Equity Fund - Financial Statements (Continued)
- --------------------------------------------------------------------------------

Financial Highlights 
(For a share outstanding throughout each period)

<TABLE> 
<CAPTION> 
                                                                                              Class 1  
                                                                 Six months ended           ---------- 
                                                                      6/30/96                Year ended            Period ended
                                                                    (Unaudited)               12/31/95               12/31/94**
                                                                    -----------              ---------               ----------
<S>                                                                  <C>                     <C>                     <C> 
Net asset value, beginning of period                                $     12.63              $    9.92               $    10.00
                                                                    -----------              ---------               ----------
Income (loss) from investment operations:
  Net investment income                                                    0.08                   0.18                     0.04
  Net realized and unrealized gain (loss) on investments                   0.93                   2.81                    (0.08)
                                                                    -----------              ---------               ----------
    Total income (loss) from investment operations                         1.01                   2.99                    (0.04)
                                                                    -----------              ---------               ----------
Less distribution to shareholders:
  From net investment income                                                 --                  (0.18)                   (0.04)
  From net realized gains                                                    --                  (0.10)                      --
                                                                    -----------              ---------               ----------
    Total distributions                                                      --                  (0.28)                   (0.04)
                                                                    -----------              ---------               ----------
  Net asset value, end of period                                    $     13.64              $   12.63               $     9.92
                                                                    ===========              =========               ==========
Total Return                                                               8.00%                 30.10%                   (0.39)%
             
Ratios/Supplemental Data:

  Net assets, end of period (000's)                                        $140                   $129                      $99
  Net expenses to average daily net assets#                                1.65%*                 1.65%                    1.65%*
  Net investment income to average daily net assets                        1.27%*                 1.58%                    2.31%*
  Portfolio turnover rate                                                     6%                    16%                       3%
  Average broker commission rate                                    $     .0597                   N/A                      N/A

    #Computed after giving effect to the reduction in
     management fee by MassMutual.  Without this reduction of
     fees by the investment manager, the ratio of expenses
     to average daily net assets would have been:                          1.69%*                 1.70%                    1.71%*


<CAPTION> 
                                                                                              Class 2  
                                                                 Six months ended            ---------- 
                                                                      6/30/96                Year ended            Period ended
                                                                    (Unaudited)               12/31/95               12/31/94**
                                                                    -----------              ---------               ----------
<S>                                                              <C>                         <C>                   <C> 
Net asset value, beginning of period                                $     12.65               $    9.93               $   10.00
                                                                    -----------              ---------               ----------
Income (loss) from investment operations:
  Net investment income                                                    0.12                   0.24                     0.05
  Net realized and unrealized gain (loss) on investments                   0.93                   2.82                    (0.07)
                                                                    -----------              ---------               ----------
    Total income (loss) from investment operations                         1.05                   3.06                    (0.02)
                                                                    -----------              ---------               ----------
Less distributions to shareholders:
  From net investment income                                                 --                  (0.24)                   (0.05)
  From net realized gains                                                    --                  (0.10)                      --
                                                                    -----------              ---------               ----------
    Total distributions                                                      --                  (0.34)                   (0.05)
                                                                    -----------              ---------               ----------
Net asset value, end of period                                      $     13.70              $   12.65               $     9.93
                                                                    ===========              =========               ==========
Total Return                                                               8.30%                 30.80%                   (0.22)%

Ratios/Supplemental Data:

  Net assets, end of period (000's)                                        $141                   $130                      $99
  Net expenses to average daily net assets#                                1.10%*                 1.10%                    1.10%*
  Net investment income to average daily net assets                        1.82%*                 2.13%                    2.86%*
  Portfolio turnover rate                                                     6%                    16%                       3%
  Average broker commission rate                                    $     .0597                    N/A                      N/A

   #Computed after giving effect to the reduction in 
    management fee by MassMutual.  Without this reduction of
    fees by the investment manager, the ratio of expenses
    to average daily net assets would have been:                           1.14%*                 1.15%                    1.16%*
    
</TABLE> 

*Annualized
**For the period from October 3, 1994 (commencement of operations) through 
  December 31, 1994.



48      The accompanying notes are an integral part of the financial statements.

<PAGE>

- --------------------------------------------------------------------------------
MassMutual Value Equity Fund - Financial Statements (Continued)
- --------------------------------------------------------------------------------

Financial Highlights
(For a share outstanding throughout each period)

<TABLE> 
<CAPTION> 
                                                                                               Class 3                           
                                                                                             -----------                           
                                                                        Six months ended                                        
                                                                            6/30/96          Year ended      Period ended       
                                                                          (Unaudited)         12/31/95        12/31/94**        
                                                                          -----------        -----------     -----------        
<S>                                                                       <C>                <C>             <C>                
Net asset value, beginning of period                                      $    12.66         $    9.93       $    10.00         
                                                                          -----------        -----------     -----------        
Income (loss) from investment operations:                                                                                       
  Net investment income                                                         0.14              0.28             0.05         
  Net realized and unrealized gain (loss) on investments                        0.93              2.83            (0.07)        
                                                                          -----------        -----------     -----------        
   Total income (loss) from investment operations                               1.07              3.11            (0.02)        
                                                                          -----------        -----------     -----------        
                                                                                                                                
Less distributions to shareholders:                                                                                             
  From Net investment income                                                      --             (0.28)           (0.05)        
  From net realized gains                                                         --             (0.10)              --         
                                                                          -----------        -----------     -----------        
   Total distributions                                                            --             (0.38)           (0.05)        
                                                                          -----------        -----------     -----------        
Net asset value, end of period                                            $    13.73         $   12.66       $     9.93         
                                                                          ===========        ===========     ===========        
Total Return                                                                    8.45%            31.30%      $    (0.18)%       

Ratios/Supplemental Data:                                                                                                       

  Net assets, end of period (000's)                                            $141               $130              $99         
  Net expenses to average daily net assets#                                    0.75%*             0.75%            0.75%*       
  Net investment income to average daily net assets                            2.17%*             2.48%            3.23%*       
  Portfolio turnover rate                                                         6%                16%               3%        
  Average broker commission rate                                          $   .0597                N/A              N/A         

   #Computed after giving effect to the reduction in                                                                            
    management fee by MassMutual. Without this reduction of                                                                     
    fees by the investment manager, the ratio of expenses                                                                       
    to average daily net assets would have been:                               0.79%*             0.80%            0.81%*       

<CAPTION> 
                                                                                               Class 4                     
                                                                                              ----------                
                                                                        Six months ended                                       
                                                                            6/30/96          Year ended      Period ended      
                                                                          (Unaudited)         12/31/95        12/31/94**       
                                                                          -----------        -----------     -----------       
<S>                                                                       <C>                <C>             <C>               
Net asset value, beginning of period                                      $    12.63         $    9.91       $    10.00        
                                                                          -----------        -----------     -----------       
Income (loss) from investment operations:                                                                                      
  Net investment income                                                         0.16              0.31             0.08        
  Net realized and unrealized gain (loss) on investments                        0.93              2.82            (0.09)       
                                                                          -----------        -----------     -----------       
   Total income (loss) from investment operations                               1.09              3.13            (0.01)       
                                                                          -----------        -----------     -----------       
                                                                                                                               
Less distributions to shareholders:                                                                                            
  From net investment income                                                      --             (0.31)           (0.08)       
  From net realized gains                                                         --             (0.10)              --        
                                                                          -----------        -----------     -----------       
   Total distributions                                                            --             (0.41)           (0.08)       
                                                                          -----------        -----------     -----------       
Net asset value, end of period                                            $    13.72         $   12.63       $     9.91        
                                                                          ===========        ===========     ===========       
Total Return@                                                                    8.63%            31.54%      $    (0.10)%      

Ratios/Supplemental Data:                                                                                                      

  Net assets, end of period (000's)                                       $2,280,827        $2,125,248       $1,563,563        
  Net expenses to average daily net assets#                                   0.5067%*          0.5067%          0.5067%*        
  Net investment income to average daily net assets                             2.41%*            2.72%            3.20%*      
  Portfolio turnover rate                                                          6%               16%               3%       
  Average broker commission rate                                          $    .0597               N/A              N/A        

   #Computed after giving effect to the reduction in                                                                           
    management fee by MassMutual. Without this reduction of                                                                    
    fees by the investment manager, the ratio of expenses                                                                      
    to average daily net assets would have been:                              0.5526%*          0.5528%          0.5681%*
</TABLE> 

*Annualized
**For the period from October 3, 1994 (commencement of operations) through 
December 31, 1994.
@Employee retirement benefit plans that invest plan assets in the Separate 
Investment Accounts (SIAs) may be subject to certain charges as set forth in 
their respective Plan Documents. Total return figures would be lower for the 
periods presented if they reflected these charges.

   The accompanying notes are an integral part of the financial statements.   49
<PAGE>
 
- --------------------------------------------------------------------------------
Mass Mutual Small Cap Value Equity - Portfolio Manager Report
- --------------------------------------------------------------------------------

What are the investment         The objective and policies of the Fund are to:
objective and policies
for the Mass Mutual             . achieve long-term growth of capital and income
Small Cap Value Equity
Fund?                           . invest primarily in a diversified portoflio of
                                  equity securities of smaller companies (market
                                  capitalization less than $750 million)

                                . utilize a value-oriented, risk-averse strategy
                                  in making investment decisions

                                . utilize fundamental analysis to identify 
                                  companies which

                                  -arc of high investment quality or possess a
                                   unique product, market position or operating
                                   characteristic,

                                  -offer above-average level of profitability or
                                   superior growth potential and

                                  -are attractively valued

How has the Fund                The Fund has done well.  Because of our 
performed over the past         disciplined value strategy and focus on 
six months?                     dividend-paying smaller stocks, we've been able
                                to capture most of the upside potential of this
                                year's market, but with below-average risk. Our
                                stock selection was a benefit over the period
                                as was the fact that, as interest rates rose,
                                investor attention moved from larger to smaller
                                stocks.

Why did small cap stocks        The unusual length of the current economic 
perform so well over the        growth phase had investors concerned about a 
period?                         slowdown and how it might affect corporate
                                profitability. As a result, they began to shift
                                their money away from the large multinational
                                companies that led the market last year--
                                companies whose fortunes are partially tied to a
                                favorable economic and interest rate climate--to
                                smaller companies with the potential to grow
                                faster than the overall economy. This was a
                                benefit to the portfolio. However, even among
                                small cap issues, there's been a great deal of
                                market volatility. Many of the industry groups
                                that saw major advances earlier in the first
                                half have given back much of their gains more
                                recently, so it's been important to have owned
                                the right companies over the period.

What were the highlights        Our portfolio did not change greatly over the 
of purchases and performance    period, since our research leads us to buy high 
for the period?                 quality companies we think are positioned to do
                                well over longer time periods. Companies that
                                performed best for us the first half included
                                selected manufacturing companies such as
                                Reliance Steel & Aluminum Company, and Apogee
                                Enterprises, Inc., as well as financial stocks
                                like Executive Risk, Inc., and ALLIED Group,
                                Incorporated.

What areas of the market        The market is going through a bit of a 
currently seem to offer the     transition now, which is causing a degree of 
best long-term value?           discomfort in the short term, but also creating
                                opportunity for long-term investors. After last
                                year's broad bull market and this year's focus
                                on smaller stocks, many price multiples had
                                risen to new highs. The increased volatility
                                we've seen in recent months, however, has
                                allowed value investors like us to purchase the
                                stocks of strong companies at temporarily
                                reduced prices. We're looking at stocks in areas
                                like technology, where companies that had done
                                well in recent months, but then suffered in
                                June, are now selling at attractive prices.
                                We're also evaluating utility companies. Changes
                                in the way the generation and delivery of
                                electricity is regulated is creating interesting
                                investment opportunities. In addition, electric
                                utilities did not fully participate in the
                                market's strong first half, so they continue to
                                sell at what we'd consider good values.

What is the outlook for         We think the outlook is favorable.  While the 
the Fund?                       economy may slow somewhat during the second 
                                half of the year, we believe that it continues
                                to be far from recessionary. In fact, we believe
                                there's a chance the growth rate may pleasantly
                                surprise investors. It should remain stronger
                                than forecasted for the remainder of the year,
                                which could help the stock market.
                                
                                Looking ahead to the second half of 1996, we
                                expect near-term uncertainty will cause the
                                market to continue to experience heightened
                                volatility versus last year. A volatile market
                                can be uncomfortable, but it is an environment
                                in which we should be able to do well. When last
                                year's strong bull market drove prices to new
                                highs, it became difficult to find the stocks
                                our strategy relies on at prices we were willing
                                to pay. With this year's greater price
                                fluctuation, we should see both the opportunity
                                to buy well-positioned companies at temporarily
                                discounted prices and conversely, to take
                                profits on its upswings.

50
<PAGE>
 
MassMutual Small Cap Value Equity - Portfolio Manager Report (Continued)

- --------------------------------------------------------------------------------
Growth of a $10,000 Investment

Hypothetical Investments in MassMutual Small Cap
Value Equity Fund Classes 1-4 and the Frank Russell
2000 Index

<TABLE> 
<CAPTION> 
- ----------------------------------------------------------
MassMutual Small Cap Value Equity Fund
Total Return 
            
            Year to Date      One Year      Average Annual
           1/1/96-6/30/96  7/1/95-6/30/96  10/3/94-6/30/96
<S>        <C>             <C>             <C>                [LINE GRAPH OF   
                                                                 GROWTH OF A   
Class 1        8.86%           20.28%        13.87%          $10,000 INVESTMENT
Class 2        9.18%           20.97%        14.55%             APPEARS HERE]   
Class 3        9.35%           21.31%        14.89%                            
Class 4        9.53%           21.76%        15.22%                            
                                                                               
- ----------------------------------------------------------                     
Frank Russell  10.36%          23.89%           --
2000 Index
- ----------------------------------------------------------
</TABLE> 

Past performance is not predictive of future
results. The investment return and principal value of
shares of the Fund will fluctuate with market
conditions so that shares of the Fund, when redeemed,
may be worth more or less than their original cost.
Investors should note that the Fund is a professionally
managed mutual fund, while the Frank Russel, 2000
Index is unmanaged and does not incur expenses.
- --------------------------------------------------------------------------------

                GROWTH OF A $10,000 INVESTMENT SINCE INCEPTIOIN

                           [LINE GRAPH APPEARS HERE]

          Class 1    Class 2    Class 3    Class 4 Russell 2000
           -----      -----      -----      -----     -----    
10/3/94   10,000     10,000     10,000     10,000     10,000       
  12/94    9,711      9,728      9,732      9,933      9,813
   3/95   10,001     10,029     10,043     10,065     10,266
   6/95   10,422     10,470     10,495     10,507     11,229
   9/95   11,345     11,404     11,439     11,472     12,338
  12/95   11,515     11,601     11,642     11,681     12,605
   3/96   11,940     12,047     12,100     12,151     13,249
   6/96   12,535     12,665     12,731     12,794     13,912

- --------------------------------
          MassMutual
  Small Cap Value Equity Fund
Largest Stock Holdings (6/30/96)
- --------------------------------
Capital RE Corp
True North Communications, Inc.
Executive Risk, Inc.
Arbor Drugs, Inc.
ALLIED Group, Incorporated
Greenfield Industries, Inc.
Orion Capital Corporation
Trimas Corporation
The Olsten Corporation
Houghton Mifflin Company
- --------------------------------
                                                                              51
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Small Cap Value Equity - Portfolio of Investments
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>

Portfolio of Investments
June 30, 1996 (Unaudited)
                                                Number of
                                                 Shares           Market Value
                                                 ------           ------------
                                                                  
<S>                                            <C>                <C>
EQUITIES - 88.8%                                                  
Air Transportation -- 2.0%                                        
Atlantic Southeast                                                
 Airlines, Inc.                                   297,800         $  8,412,850
                                                                  ------------

Apparel, Textiles & Shoes -- 2.2%                                 
Kellwood Company                                  186,100            3,419,588
Unitog Company                                    206,500            5,833,625
                                                                  ------------
                                                                     9,253,213
                                                                  ------------

Automotive & Parts -- 5.2%                                        
Amcast Industrial                                                 
 Corporation                                      172,100            3,485,025
Excel Industries, Inc.                            355,100            4,438,750
Myers Industries, Inc.                            321,154            5,981,488
Titan Wheel International, Inc.                   503,700            8,059,200
                                                                  ------------
                                                                    21,964,463
                                                                  ------------
 
Banking, Savings & Loans -- 7.5%                                  
Astoria Financial Corporation                     293,000            7,947,625
CCB Financial Corporation                         157,100            8,051,375
First Colorado Bancorp, Inc.                      229,300            3,038,225
Keystone Financial, Inc.                          124,500            4,170,750
One Valley Bancorp of                                             
 West Virginia, Inc.                              147,000            5,071,500
Security Capital Corporation                       19,100            1,136,450
United Carolina                                                            
 Bancshares Corporation                           101,750            2,263,938
                                                                  ------------
                                                                    31,679,863
                                                                  ------------

Building Materials & Construction -- 0.9%
Apogee Enterprises, Inc.                          114,100            3,907,925
                                                                  ------------
                                                                  
Chemicals -- 1.2%                                                 
OM Group, Inc.                                    125,400            4,921,950
                                                                  ------------
<CAPTION> 
                                                Number of
                                                 Shares           Market Value
                                                 ------           ------------
                                                                  
<S>                                            <C>                <C>
Communications -- 2.5%                                            
True North                                                        
 Communications, Inc.                             483,500         $ 10,757,871
                                                                  ------------

Containers -- 1.7%                                                
Rock-Tenn Company                                                 
 (Class A)                                        355,900            7,029,025
                                                                  ------------

Electrical Equipment & Electronics -- 7.0%                        
Belden, Inc.                                      293,700            8,811,000
Dallas Semiconductor                                              
 Corporation                                      412,300            7,472,938
Teleflex, Incorporated                            128,100            6,116,775
Wyle Laboratories                                 227,200            7,526,000
                                                                  ------------
                                                                    29,926,713
                                                                  ------------

Energy -- 2.0%                                                    
NGC Corporation                                   165,595            2,483,925
Production Operators Corp.                        156,100            5,268,375
TNP Enterprises, Inc.                              27,600              783,150
                                                                  ------------
                                                                     8,535,450
                                                                  ------------

Foods -- 0.5%                                                     
Midwest Grain Products, Inc.                      167,100            2,172,300
                                                                  ------------

Forest Products & Paper -- 2.8%                                   
Mosinee Paper Corporation                         182,133            4,872,058
Wausau Paper Mills Company                        357,775            7,066,056
                                                                  ------------
                                                                    11,938,114
                                                                  ------------

Gas Distribution -- 2.1%                                          
WICOR, Inc.                                       237,300            8,958,075
                                                                  ------------

Healthcare -- 1.6%                                                
Beckman Instruments, Inc.                         113,800            4,324,400
Life Technologies, Inc.                            85,000            2,677,500
                                                                  ------------
                                                                     7,001,900
                                                                  ------------

<CAPTION> 
                                                Number of
                                                 Shares           Market Value
                                                 ------           ------------
                                                                  
<S>                                            <C>                <C>

Industrial Transportation -- 2.9%
Arnold Industries, Inc.                           511,500            7,288,875
The Greenbrier                                                    
 Companies, Inc.                                  351,600            4,878,450
                                                                  ------------
                                                                    12,167,325
                                                                  ------------

Insurance -- 13.6%                                                
ALLIED Group, Incorporated                        230,900           10,044,150
Capital RE Corp.                                  334,500           12,292,875
Executive Risk, Inc.                              266,300           10,185,975
E. W. Blanch Holdings, Inc.                        91,200            1,812,600
Frontier Insurance                                                
 Group, Inc.                                      157,080            5,419,260
National Re Corporation                           223,500            8,437,125
Orion Capital Corporation                         190,637            9,722,487
                                                                  ------------
                                                                    57,914,472
                                                                  ------------

Leasing Companies -- 1.7%                                         
Rollins Truck Leasing Company                     715,750            7,425,906
                                                                  ------------

Machinery & Components -- 10.5%                                   
Columbus McKinnon Corporation                     133,400            2,084,375
DT Industries, Inc.                               244,200            4,456,650
The Gorman-Rupp Company                           257,825            3,416,181
Goulds Pumps, Incorporated                         47,600            1,219,750
Graco, Incorporated                               427,000            8,646,750
Greenfield Industries, Inc.                       297,500            9,817,500
Hardinge, Inc.                                    164,500            5,222,875
Regal-Beloit Corporation                          297,750            5,880,563
Roper Industries, Inc.                             75,600            3,685,500
                                                                  ------------
                                                                    44,430,144
                                                                  ------------
</TABLE>


                                                                     (Continued)

   The accompanying notes are an integral part of the financial statements.

52
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Small Cap Value Equity - Portfolio of Investments (Continued)
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                Number of
                                                 Shares           Market Value
                                                 ------           ------------
                                                                  
<S>                                            <C>                <C>
Metals & Mining -- 2.7%
The Commerce Group, Inc.                          141,800         $  2,960,075
Reliance Steel &
 Aluminum Company                                 229,600            8,380,400
                                                                  ------------
                                                                    11,340,475
                                                                  ------------

Miscellaneous -- 2.2%
Trimas Corporation                                407,100            9,515,963
                                                                  ------------

Miscellaneous - Producer -- 0.6%                           
Federal Signal Corporation                        108,509            2,549,962
                                                                  ------------

Miscellaneous Distributor Wholesale -- 1.1%
Hughes Supply, Inc.                               130,200            4,524,450
                                                                  ------------

Office Products -- 1.0%                                    
American Business Products, Inc.                  191,600            4,191,250
                                                                  ------------

Other Services -- 4.7%                                     
Analysts International                                     
 Corporation                                      170,100            7,144,200
Landauer, Inc.                                    173,900            3,673,638
The Olsten Corporation                            317,475            9,325,828
                                                                  ------------
                                                                    20,143,666
                                                                  ------------

Publishing & Printing -- 6.2%                              
Banta Corporation                                 151,650            3,829,163
Harte Hanks Communications, Inc.                  153,100            4,248,525
Houghton Mifflin Company                          184,000            9,154,000
McClatchy Newspapers, Inc.                        327,400            9,044,425
                                                                  ------------
                                                                    26,276,113
                                                                  ------------

Retail -- 2.4%                                             
Arbor Drugs, Inc.                                 487,600           10,178,650
                                                                  ------------

TOTAL EQUITIES                                                     377,118,088
                                                                  ------------
(Cost $302,105,233)


<CAPTION>  
                                                 Principal
                                                   Amount          Market Value
                                                   ------          ------------
<S>                                          <C>                  <C>   
SHORT-TERM INVESTMENTS -- 11.6%
Commercial Paper
Bausch & Lomb, Inc.
 5.600% 7/24/1996                            $  5,985,000         $  5,963,587
Central and South                                          
 West Corporation                                          
 5.470% 7/16/1996                               3,170,000            3,162,775
Central and South                                          
 West Corporation                                          
 5.470% 7/19/1996                               4,700,000            4,687,146
Comdisco, Inc.                                             
 5.450% 7/08/1996                               4,320,000            4,315,422
Crown Cork & Seal Company, Inc.
 5.500% 7/15/1996                               3,835,000            3,826,797
DTE Energy Company                                         
 5.500% 7/03/1996                               4,070,000            4,068,756
Public Service                                             
 Electric and Gas Company                                                   
 5.470% 7/09/1996                               2,940,000            2,936,426
Public Service Electric 
 and Gas Company                                                   
 5.490% 7/22/1996                               4,075,000            4,061,950
Rayonier Inc.                                              
 5.500% 7/02/1996                               1,885,000            1,884,712
Rayonier Inc.                                              
 5.560% 7/23/1996                               2,585,000            2,576,217
Sonat Inc.                                                 
 5.550% 7/10/1996                               2,950,000            2,945,907
Texas Utilities                                            
 Electric Company                                          
 5.520% 7/18/1996                               3,045,000            3,037,063
Textron Financial Corporation                                               
 5.470% 7/01/1996                               3,395,000            3,395,000
Tyson Foods, Inc.                                          
 5.460% 7/12/1996                               2,375,000            2,371,037
                                                                  ------------
TOTAL SHORT-TERM                                           
INVESTMENTS                                                         49,232,795
                                                                  ------------
(At Amortized Cost)                                        

TOTAL INVESTMENTS -- 100.4%                                        426,350,883
(Cost $351,338,028)+

Other Assets/(Liabilities) - (0.4%)                                 (1,594,656)
                                                                  ------------
NET ASSETS -- 100.0%                                              $424,756,227
                                                                  ============ 

</TABLE>

Notes to Portfolio of Investments
+Aggregate cost for Federal tax purposes (Note 7)

   The accompanying notes are an integral part of the financial statements.
 

                                                                              53
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Small Cap Value Equity - Financial Statements
- --------------------------------------------------------------------------------

Statement of
Assets and
Liabilities

<TABLE>
<CAPTION>
                                                                                            June 30, 1996
                                                                                             (Unaudited)
                                                                                            --------------
<S>                                                                                         <C>
Assets:
   Investments, at value (cost $302,105,233) (Note 2)....................................   $  377,118,088
   Short-term investments, at amortized cost (Note 2)....................................       49,232,795
                                                                                            --------------
     Total Investments...................................................................      426,350,883
   Cash..................................................................................            4,555
   Receivables from:
     Fund shares sold....................................................................          502,825
     Interest and dividends..............................................................          521,439
     Investment manager (Note 3).........................................................           15,042
                                                                                            --------------
       Total assets......................................................................      427,394,744
                                                                                            ==============
Liabilities:
   Payables for:
     Investments purchased...............................................................          713,616
     Fund shares redeemed................................................................        1,683,201
     Directors' fees and expenses (Note 3)...............................................            2,011
     Affiliates (Note 3):
       Investment management fees........................................................          194,244
       Administration fees...............................................................           30,582
       Service and distribution fees.....................................................              280
   Accrued expenses and other liabilities................................................           14,583
                                                                                            --------------
       Total liabilities.................................................................        2,638,517
                                                                                            --------------
   Net assets............................................................................   $  424,756,227
                                                                                            ==============

Net assets consist of:
   Paid-in capital.......................................................................   $  339,620,073
Undistributed net investment income......................................................        7,071,958
Accumulated net realized gain on investments.............................................        3,051,341
Net unrealized appreciation on investments...............................................       75,012,855
                                                                                            --------------
                                                                                            $  424,756,227
                                                                                            ==============

Net assets:
   Class 1...............................................................................   $      172,737
                                                                                            ==============
   Class 2...............................................................................   $      129,209
                                                                                            ==============
   Class 3...............................................................................   $      129,930
                                                                                            ==============
   Class 4...............................................................................   $  424,324,351
                                                                                            ==============

Shares outstanding:
   Class 1...............................................................................           13,919
                                                                                            ==============
   Class 2...............................................................................           10,347
                                                                                            ==============
   Class 3...............................................................................           10,382
                                                                                            ==============
   Class 4...............................................................................       33,875,016
                                                                                            ==============

Net asset value, offering price and
redemption price per share:
   Class 1...............................................................................   $        12.41
                                                                                            ==============
   Class 2...............................................................................   $        12.49
                                                                                            ==============
   Class 3...............................................................................   $        12.51
                                                                                            ==============
   Class 4...............................................................................   $        12.53
                                                                                            ==============
</TABLE>


   The accompanying notes are an integral part of the financial statements.   

54
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Small Cap Value Equity - Financial Statements (Continued)
- --------------------------------------------------------------------------------

Statement of
Operations   
<TABLE>
<CAPTION>
                                                                                    Six months ended
                                                                                     June 30, 1996  
                                                                                      (Unaudited)   
                                                                                    ----------------
               <S>                                                                  <C>             
               Investment income:                                                                   
                  Dividends.......................................................   $     7,013,918
                  Interest........................................................         1,182,646
                                                                                     ---------------
                    Total investment income.......................................         8,196,564
                                                                                     ---------------
               Expenses (Note 1):                                                                   
                  Investment management fees (Note 3).............................         1,100,514
                  Custody fees....................................................            24,770
                  Audit and legal fees............................................             6,341
                  Directors' fees (Note 3)........................................             5,154
                  Fees waived by the investment manager (Note 3)..................           (86,689)
                                                                                     ---------------
                                                                                           1,050,090
                                                                                                    
                  Administration fees (Note 3):                                                     
                    Class 1.......................................................               433
                    Class 2.......................................................               320
                    Class 3.......................................................               200
                    Class 4.......................................................           172,310
                  Distribution and service fees (Note 3):                                           
                    Class 1.......................................................               491
                    Class 2.......................................................                92
                                                                                     ---------------
                      Net expenses................................................         1,223,936
                                                                                     ---------------
                      Net investment income.......................................         6,972,628
                                                                                     ---------------
               Realized and unrealized gain (loss):                                                 
                  Net realized gain on investment transactions....................         3,084,481
                  Net change in unrealized appreciation (depreciation)                              
                  on investments..................................................        26,754,382
                                                                                     ---------------
                    Net realized and unrealized gain..............................        29,838,863
                                                                                     ---------------
                  Net increase in net assets resulting from operations............   $    36,811,491
                                                                                     =============== 
</TABLE>

   The accompanying notes are an integral part of the financial statements.

                                                                              55
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Small Cap Value Equity - Financial Statements (Continued)
- --------------------------------------------------------------------------------

Statement of 
Changes in Net
Assets
<TABLE>
<CAPTION>
                                                                                              Six months ended                    
                                                                                               June 30, 1996       Year ended      
                                                                                                (Unaudited)      December 31, 1995 
                                                                                              ----------------   ----------------- 
                <S>                                                                           <C>                <C>               
                Increase (Decrease) in Net Assets:                                                                                 
                Operations:                                                                                                        
                   Net investment income..................................................    $      6,972,628   $      6,234,130  
                   Net realized gain on investment transactions...........................           3,084,481            776,790  
                   Net change in unrealized appreciation (depreciation)                                                            
                     on investments.......................................................          26,754,382         57,391,484  
                                                                                              ----------------   ----------------  
                     Net increase in net assets resulting from operations.................          36,811,491         64,402,404  
                                                                                              ----------------   ----------------  
                Distributions to shareholders (Note 2):                                                                            
                From net investment income:                                                                                        
                   Class 1................................................................                  --             (1,356) 
                   Class 2................................................................                  --             (1,300) 
                   Class 3................................................................                  --             (1,672) 
                   Class 4................................................................                  --         (6,159,231) 
                                                                                              ----------------   ----------------  
                     Total distributions from net investment income.......................                  --         (6,163,559) 
                                                                                              ----------------   ----------------  
                Net fund share transactions (Note 5):                                                                              
                   Class 1................................................................             (10,390)            51,075  
                   Class 2................................................................                  --              1,300  
                   Class 3................................................................                  --              1,672  
                   Class 4................................................................           7,147,597         11,428,353  
                                                                                              ----------------   ----------------  
                     Increase in net assets from net fund share transactions..............           7,137,207         11,482,400  
                                                                                              ----------------   ----------------  
                   Total increase in net assets...........................................          43,948,698         69,721,245  
                                                                                                                                   
                Net assets:                                                                                                        
                   Beginning of period....................................................         380,807,529        311,086,284  
                                                                                              ----------------   ----------------  
                   End of period (including undistributed net investment income                                                    
                     of $7,071,958 and $99,330, respectively).............................    $    424,756,227   $    380,807,529  
                                                                                              ================   ================  

</TABLE>

   The accompanying notes are an integral part of the financial statements.

56
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Small Cap Value Equity - Financial Statements (Continued)
- --------------------------------------------------------------------------------

Financial Highlights
(For a share outstanding throughout each period)

<TABLE>
<CAPTION>
                                                                                         Class 1
                                                                                       ------------
                                                               Six months ended
                                                                   6/30/96                Year ended          Period ended
                                                                 (Unaudited)               12/31/95            12/31/94**
                                                                 -----------              ----------          ------------
<S>                                                            <C>                        <C>                 <C>
Net asset value, beginning of period                             $    11.40               $    9.69           $     10.00
                                                                 -----------              ----------          ------------
Income (loss) from investment operations:
  Net investment income                                                0.15                    0.06                  0.02
  Net realized and unrealized gain (loss) on investments               0.86                    1.74                 (0.31)
                                                                 -----------              ----------          ------------
    Total income (loss) from investment operations                     1.01                    1.80                 (0.29)
                                                                 -----------              ----------          ------------
Less distributions to shareholders:
  From net investment income                                             --                   (0.09)                (0.02)
                                                                 -----------              ----------          ------------
Net asset value, end of period                                   $    12.41               $   11.40           $      9.69
                                                                 ===========              ==========          ============
Total Return                                                           8.86%                  18.58%                (2.89)%
Ratios / Supplemental Data:
  Net assets, end of period (000's)                                    $173                    $172                   $99
  Net expenses to average daily net assets#                            1.75%*                  1.75%                 1.75%*
  Net investment income to average daily net assets                    2.81%*                  0.63%                 1.14%*
  Portfolio turnover rate                                                15%                     28%                    4%
  Average broker commission rate                                 $    .0587                     N/A                   N/A
   #Computed after giving effect to the reduction in
    management fee by MassMutual. Without this
    reduction of fees by the investment manager,
    the ratio of expenses to average daily net
    assets would have been:                                            1.79%*                  1.79%                 1.81%*


<CAPTION>
                                                                                         Class 2
                                                                                       ------------
                                                               Six months ended
                                                                   6/30/96                Year ended          Period ended
                                                                 (Unaudited)               12/31/95            12/31/94**
                                                                 -----------              ----------          ------------
<S>                                                            <C>                        <C>                 <C>
Net asset value, beginning of period                             $    11.44               $    9.70           $     10.00
                                                                 -----------              ----------          ------------
Income (loss) from investment operations:
  Net investment income                                                0.17                    0.13                  0.03
  Net realized and unrealized gain (loss) on investments               0.88                    1.74                 (0.30)
                                                                 -----------              ----------          ------------
    Total income (loss) from investment operations                     1.05                    1.87                 (0.27)
                                                                 -----------              ----------          ------------
Less distributions to shareholders:
  From net investment income                                             --                   (0.13)                (0.03)
                                                                 -----------              ----------          ------------
Net asset value, end of period                                   $    12.49              $    11.44           $      9.70
                                                                 ===========             ===========          ============
Total Return                                                           9.18%                  19.25%                (2.72)%
Ratios / Supplemental Data:
  Net assets, end of period (000's)                              $      129              $      118           $        99
  Net expenses to average daily net assets#                            1.20%*                  1.20%                 1.20%*
  Net investment income to average daily net assets                    2.90%*                  1.19%                 1.69%*
  Portfolio turnover rate                                                15%                     28%                    4%
  Average broker commission rate                                 $    .0587                     N/A                   N/A
    #Computed after giving effect to the reduction in
     management fee by MassMutual. Without this
     reduction of fees by the investment manager,
     the ratio of expenses to average daily net
     assets would have been:                                           1.24%*                  1.24%                 1.26%*

</TABLE>
                        
*Annualized
**For the period from October 3, 1994 (commencement of operations) through 
  December 31, 1994.

   The accompanying notes are an integral part of the financial statements.

                                                                              57
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual Small Cap Value Equity - Financial Statements (Continued)
- --------------------------------------------------------------------------------

Financial Highlights
(For a share outstanding throughout each period)

<TABLE> 
<CAPTION> 
                                                                                         Class 3
                                                                                       ------------
                                                               Six months ended
                                                                   6/30/96                Year ended          Period ended
                                                                 (Unaudited)               12/31/95            12/31/94**
                                                                 -----------              ----------          ------------
<S>                                                            <C>                        <C>                 <C>
Net asset value, beginning of period                             $    11.44               $    9.70           $     10.00
                                                                 -----------              ----------          ------------
Income (loss) from investment operations:
  Net investment income                                                0.19                    0.16                  0.03
  Net realized and unrealized gain (loss) on investments               0.88                    1.74                 (0.30)
                                                                 -----------              ----------          ------------
    Total income (loss) from investment operations                     1.07                    1.90                 (0.27)
                                                                 -----------              ----------          ------------
Less distributions to shareholders:
  From net investment income                                             --                   (0.16)                (0.03)
Net asset value, end of period                                   $    12.51               $   11.44           $      9.70
                                                                 ===========              ==========          =============
Total Return                                                           9.35%                  19.62%                (2.68)%

Ratios / Supplemental Data:                                                                                     
  Net assets, end of period (000's)                              $      130               $     119           $        99
  Net expenses to average daily net assets#                            0.85%*                  0.85%                 0.85%*
  Net investment income to average daily net assets                    3.25%*                  1.54%                 2.09%*
  Portfolio turnover rate                                                15%                     28%                    4%
  Average broker commission rate                                 $    .0587                     N/A                   N/A
    #Computed after giving effect to the reduction in
     management fee by MassMutual. Without this
     reduction of fees by the investment manager, 
     the ratio of expenses to average daily net                                                      
     assets would have been:                                           0.89%*                  0.89%                 0.91%* 


<CAPTION> 
                                                                                         Class 4
                                                                                       ------------
                                                               Six months ended
                                                                   6/30/96                Year ended          Period ended
                                                                 (Unaudited)               12/31/95            12/31/94**
                                                                 -----------              ----------          ------------
<S>                                                            <C>                        <C>                 <C>
Net asset value, beginning of period                             $    11.44               $    9.69           $     10.00
                                                                 -----------              ----------          ------------
Income (loss) from investment operations:
  Net investment income                                                0.21                    0.19                  0.04
  Net realized and unrealized gain (loss) on investments               0.88                    1.75                 (0.31)
                                                                 -----------              ----------          ------------
    Total income (loss) from investment operations                     1.09                    1.94                 (0.27)
                                                                 -----------              ----------          ------------
Less distributions to shareholders:                                                                                          
  From net investment income                                             --                   (0.19)                (0.04)
Net asset value, end of period                                   $    12.53               $   11.44           $      9.69
                                                                 ===========              ==========          ============
Total Return@                                                          9.53%                  20.01%                (2.66)%

Ratios / Supplemental Data:
  
  Net assets, end of period (000's)                             $   424,324               $ 380,398           $   310,789
  Net expenses to average daily net assets#                          0.6110%*                0.6110%               0.6110%*
  Net investment income to average daily net assets                    3.49%*                  1.78%                 1.78%*
  Portfolio turnover rate                                                15%                     28%                    4%
  Average broker commission rate                                $     .0587                     N/A                   N/A

   #Computed after giving effect to the reduction in
   management fee by MassMutual. Without this
   reduction of fees by the investment manager, 
   the ratio of expenses to average daily net 
   assets would have been:                                           0.6544%*                0.6553%               0.6681%*
                              
</TABLE> 

* Annualized
**For the period from October 3, 1994 (commencement of operations) through
  December 31, 1994.
@ Employee retirement benefit plans that invest plan assets in the Separate
  Investment Accounts (SIAs) may be subject to certain charges as set forth in
  their respective Plan Documents. Total return figures would be lower for the
  periods presented if they reflected these charges.

     The accompanying notes are an integral part of the financial statements.

58
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual International Equity Fund - Portfolio Manager Report
- --------------------------------------------------------------------------------
What are the investment      The objective and policies of the Fund are to:
objective and policies                                                         
for the MassMutual           . achieve high total rate of return over the long 
International Equity           term 
Fund?                                                                           
                             . invest in a diversified portfolio of foreign and 
                               domestic equity securities 
                                                                           
                             . utilize dominant themes to guide investment 
                               decisions (economic, political and social 
                               influences that are expected to dictate long-term
                               growth trends) 

How has the Fund             The Fund has performed very well. We owned
performed over the           companies across both the developed and emerging
period?                      sectors of the international arena, and
                             participated in their gains as demand for their
                             products and services increased with global
                             economic expansion.

How did international        International markets continued to lag the U.S.
markets' performance         markets. As of June 30, the Morgan Stanley EAFE, a
compare to the domestic      broad index of international markets was up 4.5%,
market's performance?        while the U.S. Standard & Poor's 500 was up 10.1%.

Where was the portfolio      Rather than basing our investment decisions
invested over the            primarily on our macroeconomic outlook for various
period?                      regional economies, we invest according to themes.
                             We've identified eight major themes we think will
                             define global economic growth in the coming years,
                             and look for well-positioned, well-managed
                             companies within them.

                             Our largest concentrations over the past six months
                             were stocks of companies in our capital market
                             development theme - or companies providing
                             financial services to individuals, institutions or
                             governments in high growth areas, companies
                             positioned to meet the demands of emerging consumer
                             markets, and telecommunications equipment and
                             service firms.

                             In capital market development, we owned well-
                             capitalized, well-run banks in the emerging
                             markets, such as Banco Frances del Rio de la Plata
                             SA in Argentina, Banco Bradesco SA Preference in
                             Brazil and Turkiye Garanti Bankasi in Turkey. In
                             addition, we owned companies positioned to benefit
                             from the need for individual retirement savings
                             planning in Europe. We were pleased with
                             Marschollek, Lautenschlaeger und Partner AG, a
                             German insurance company; Skandia Forsakrings AB, a
                             Swedish insurance firm; and Bil GT Gruppe AG, a
                             money manager based in Lichtenstein .

                             We had large exposure to emerging consumer markets
                             as a play on both the rapid rise of disposable
                             income in the developing world and changes in
                             consumer patterns in the developed world. Our
                             strong performers for this sector included luxury
                             goods marketers such as Gucci Group NV, Bulgari and
                             Remy Cointreau as well as well-established,
                             expanding brand name consumer products companies
                             such as Wella AG, a major German haircare products
                             firm.

                             In telecommunications, our focus has been on both
                             telephone services and broadcasting. In telephones,
                             our best performers were regional firms with good
                             profitability due to limited competition. These
                             included Portugal Telecom SA and Telefonica de
                             Espana. We also did well with Telecom Italia
                             Mobile, Milicom International Cellular SA, and
                             Korea Mobile Telecommunications Corporation, three
                             cellular services firms. In the broadcast and
                             leisure area, we owned Pathe of France, Lusomundo
                             of Portugal, both fast growing media conglomerates.
                             These companies did well over the past six months
                             and we believe they are well-positioned for
                             continued growth.

What areas of the            Going forward, we are considering adding to our
market currently seem        holdings in the healthcare theme, particularly in
to offer the greatest        pharmaceutical and medical equipment firms. This is
potential?                   a high growth area, and one in which companies are
                             focused on creating value for shareholders. Because
                             the healthcare sector lagged the market year-to-
                             date, it's also an area where we consider stocks to
                             be fairly priced. In addition, we continue to look
                             for companies that have been restructuring, and so
                             should be more efficient and profitable in the
                             future.

                                                                              59
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual International Equity Fund - Portfolio Manager Report (Continued)
- --------------------------------------------------------------------------------

What is the outlook for   We believe the outlook is good. Almost worldwide, we
the Fund?                 see a trend toward accelerating economic growth. In 
                          some of the emerging markets, it's happening quickly,
                          but it's also occurring in Japan, which alone         
                          represents 22 percent of the world market, and in     
                          developed Europe.                                     

                          Because of our thematic approach to investing, this is
                          a very growth-oriented Fund. It's also somewhat risk-
                          averse, being well-diversified both by industry and by
                          region. We are confident these factors will help the
                          portfolio continue to perform very well in the future.

- --------------------------------------------------------------------------------
Growth of a $10,000 Investment
Hypothetical Investments in MassMutual International Equity Fund Classes 1-4 and
the Morgan Stanley Capital International Index for Europe, Australia and the Far
East (MSCI EAFE)

- --------------------------------------------------------------------------------
MassMutual International Equity Fund
Total Return    Year to Date            One Year        Average Annual
                1/1/96-6/30/96          7/1/95-6/30/96  10/3/94-6/30/96

Class 1         9.33%                   11.61%          2.92%
Class 2         9.73%                   12.27%          3.52%
Class 3         9.82%                   12.52%          3.78%
Class 4        10.02%                   12.87%          4.16%
- --------------------------------------------------------------------------------
MSCI EAFE       4.52%                   13.29%            --
Index
- --------------------------------------------------------------------------------
Past performance is not predictive of future results. The investment return and
principal value of shares of the Fund will fluctuate with market conditions so 
that shares of the Fund, when redeemed, may be worth more or less than their 
original cost, investors should note that the Funds is a professionally managed 
mutual fund, while the MSCI EAFE is unmanaged and does not incur expenses.
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                           [LINE GRAPH APPEARS HERE]

                GROWTH OF A $10,000 INVESTMENT SINCE INCEPTION

<TABLE> 
<CAPTION> 

         Class 1        Class  2        Class  3        Class 4       MSCI EAFE
<S>     <C>             <C>             <C>             <C>           <C>   
10/3/94  $10,000         10,000          10,000          10,000          10,000
12/94      9,250          9,260           9,270           9,280           9,898
 3/95      9,120          9,140           9,150           9,170          10,082
 6/95      9,420          9,460           9,480           9,510          10,155
 9/95      9,878          9,938           9,958           9,998          10,579
12/95      9,616          9,679           9,713           9,756          11,007
 3/96      9,929         10,013          10,058          10,103          11,324
 6/96     10,513         10,620          10,667          10,734          11,504
</TABLE> 

- --------------------------------------------------------------------------------
                     MassMutual International Equity Fund
                     Largest Country Weightings (6/30/96)
- --------------------------------------------------------------------------------
<TABLE> 
<CAPTION> 
                                                                % of fund
<S>                                                             <C> 
Japan                                                           22.47%
Germany                                                         11.22%
United Kingdom                                                   9.80%
France                                                           9.26%
The Netherlands                                                  6.38%
Switzerland                                                      5.38%
Hong Kong                                                        3.47%
Australia                                                        3.38%
Norway                                                           3.08%
Argentina                                                        2.63%
</TABLE> 
- --------------------------------------------------------------------------------

60
<PAGE>
 
- --------------------------------------------------------------------------------
MassMutual International Equity Fund - Portfolio of Investments
- --------------------------------------------------------------------------------
Portfolio of Investments
June 30, 1996  (Unaudited)
<TABLE> 
<CAPTION> 
 
                                                       Number of
                                                         Shares   Market Value
                                                         ------   ------------
<S>                                                  <C>          <C>
EQUITIES - 98.9%
Automobiles -- 2.5%
Ciadea SA*                                               255,350  $  1,777,184
Mahindra & Mahindra          
 Ltd., GDR*                                              140,682     1,512,338
Orbital Engine               
 Corporation Ltd.*                                       127,300       105,201
Volkswagen AG                                             10,000     3,721,735
                                                                  ------------
                                                                     7,116,458
                                                                  ------------
Banking -- 5.2%
Banco Bradesco SA,
 Preference                                          230,260,952     1,865,114
Banco Frances del Rio 
 de la Plata SA, ADR*                                     50,000     1,437,500
Banco Wiese,
 Sponsored ADR                                                 1             7
Bil GT Gruppe AG                                           2,500     1,218,400
Development Bank of
 Singapore Limited                                       200,000     2,493,900
HSBC Holdings PLC                                        206,506     3,121,379
PT Bank Dagang
 Nasional                                                684,000       573,055
Skandinaviska Enskilda
 Banken Group                                            150,000     1,198,095
Standard Chartered
 BankPLC*                                                142,500     1,421,480
Turkiye Garanti
 Bankasi, ADR                                            252,000     1,717,531
                                                                  ------------
                                                                    15,046,461
                                                                  ------------
Computer Hardware -- 0.8%
Canon, Inc.                                              100,000     2,078,740
PT Multipolar
 Corporation                                             233,000       210,213
                                                                  ------------
                                                                     2,288,953
                                                                  ------------
Computer Software -- 7.0%
Dassault Systems SA*                                     130,000     2,979,840
Ines Corp.*                                               60,000     1,121,424
Misys PLC                                                350,872     4,236,078
Nintendo Co. Ltd.                                        156,700    11,658,041
                                                                  ------------
                                                                    19,995,383
                                                                  ------------
<CAPTION> 
 
                                                       Number of
                                                         Shares   Market Value
                                                         ------   ------------
<S>                                                    <C>        <C>
Conglomerates -- 0.6%
First Philippine
 Holdings Corp., B
 Shares                                                  700,000  $  1,709,960
                                                                  ------------
Diversified Financial -- 6.0%
ABN Amro Holding
 NV                                                      101,630     5,453,679
ING Groep NV                                             137,500     4,100,085
IRSA Inversiones y
 Representaciones, SA                                    514,404     1,725,671
Nomura Securities
 Company Ltd.                                            250,000     4,877,750
Societe Generale de
 Paris                                                    10,000     1,099,437
                                                                  ------------
                                                                    17,256,622
                                                                  ------------
Drugs -- 6.2%
Altana AG                                                  6,000     4,663,174
Astra AB Free, Series A                                   35,000     1,545,481
Biocompatibles
 International PLC*                                      379,167     2,604,005
Biocompatibles NT*                                        54,167        39,137
Glaxo Wellcome PLC,
 Sponsored ADR                                           250,000     3,367,850
Sanofi SA                                                 35,000     2,622,914
South African
 Druggists Ltd.                                          100,000       877,520
Takeda Chemical
 Industries Ltd.                                         125,000     2,210,938
                                                                  ------------
                                                                    17,931,019
                                                                  ------------
Electric Utilities -- 0.4%
Capex SA, GDR                                             76,000     1,254,000
                                                                  ------------
Electrical Equipment & Electronics -- 9.7%
Keyence Corporation                                       20,000     2,716,956
LEM Holdings SA*                                           6,892     2,015,331
Matsushita Electric
Industrial Company Ltd.                                  175,000     3,254,878
 Omron Corp.                                             115,000     2,442,980
<CAPTION> 
 
                                                       Number of
                                                         Shares     Market Value
                                                         ------     ------------
<S>                                                    <C>         <C> 
Rohm Company                                              40,000  $  2,640,372
Samsung Electronics                                       15,000     1,259,285
SGS-Thomson
 Microelectronics NV*                                     58,800     2,109,450
Uniden Corporation                                       200,000     4,102,780
Ushio, Inc.                                              150,000     1,832,565
Yamatake-Honeywell
 Co., Ltd.                                                70,000     1,270,038
Yokogawa Electric
 Corp.                                                   400,000     4,011,600
                                                                  ------------
                                                                    27,656,235
                                                                  ------------

Energy Services & Producers -- 1.4%
Compagnie Generale de
 Geophysique SA*                                          25,000     1,485,988
Transocean AS*                                           100,000     2,593,770
                                                                  ------------
                                                                     4,079,758
                                                                  ------------
Financial Services -- 1.4%
Compagnie Bancaire
 SA                                                       35,000     3,943,209
                                                                  ------------
Food & Beverage -- 4.7%
Allied Domecq PLC                                        300,800     2,117,241
Cadbury Schweppes
 PLC                                                       5,424        42,855
Hellenic Bottling Co.,
 SA                                                       70,000     2,323,181
Nestle SA                                                  2,500     2,854,253
Remy Cointreau                                            80,000     2,346,496
Sermsuk Public
 Company Ltd.                                             50,000     1,535,480
South African
 Breweries Limited                                        65,000     1,906,307
Universal Robina
 Corporation                                             499,700       266,990
                                                                  ------------
                                                                    13,392,803
                                                                  ------------
</TABLE>
                                                                     (Continued)

The accompanying notes are an integral part of the financial statements.

                                                                              61
<PAGE>

- --------------------------------------------------------------------------------
MassMutual International Equity Fund - Portfolio of Investments (Continued)
- --------------------------------------------------------------------------------

 
<TABLE>
<CAPTION>
 
                                        Number of
                                          Shares     Market Value
                                          ------     ------------
<S>                                     <C>          <C>
Gold -- 0.7%
Anglo American
 Corporation of South
 Africa Ltd., ADR                            15,000       948,750
Free State
 Consolidated Gold
 Mines Limited, ADR                         130,000     1,202,500
                                                     ------------ 
                                                        2,151,250
                                                     ------------

Healthcare -- 1.7%
Ciba-Geigy AG                                 4,000     4,873,601
                                                     ------------

Homebuilders -- 1.0%
Sumitomo Forestry
 Co.                                        185,000     2,749,322
                                                     ------------

Hotel/Gaming -- 0.1%
Lusomundo, SGPS,
 SA *                                        52,300       324,087
                                                     ------------

Household Products -- 0.4%
Srithai Superware Co.
 Ltd.                                       175,000     1,219,523
                                                     ------------

Industrial Services -- 6.4%
BIS SA *                                     15,000     1,567,572
Boskalis Westminster                        287,290     5,133,240
Cordiant PLC *                            2,000,000     3,418,200
IHC Caland NV                                70,000     3,444,686
PT Citra Marga
 Nusaphala Persada                        1,060,000     1,616,808
VBH - Vereinigter
Baubeschlag Handel AG                        12,500     3,284,850
                                                     ------------
                                                       18,465,356
                                                     ------------
Insurance -- 5.7%
AGF (Assurances
 Generales de France)                        43,800     1,186,016
Marschollek,
 Lautenschlaeger und
 Partner AG *                                 4,000     4,204,608
National Mutual Asia
 Ltd.                                     1,816,000     1,595,174
Ockham Holdings PLC                       1,000,000     1,382,882
Reinsurance Australia
 Corp. Ltd.                               2,050,000     5,969,600
Skandia Forsakrings
 AB                                          80,000     2,115,896
                                                     ------------
                                                       16,454,176
                                                     ------------

Manufacturing -- 6.3%
Bucher Holding AG, B
 Shares                                       1,750     1,363,210
Chargeurs                                    25,000     6,983,644
Commercial del Plata
 SA *                                       408,500     1,268,107
Mitsubishi Heavy
 Industries, Ltd.                           250,000     2,172,175
Powerscreen
 International PLC                          649,900   $ 4,604,736
SMH AG (Registered) *                         7,000     1,093,364
Traub AG *                                    8,700       560,132
                                                     ------------
                                                       18,045,368
                                                     ------------
Medical Products -- 0.3%
Elekta Instrument AB
 Free, Series B                              25,000       949,440
                                                     ------------

Metals & Mining -- 2.8%
Boehler-Uddeholm AG                          12,000       929,770
Boehler-Uddeholm AG
 144A                                        24,000     1,859,545
Cambior, Inc.                               100,000     1,337,500
Compania de Minas
 Buenaventura SA,
 Sponsored ADR *                             40,000       795,000
Gencor Ltd.,
 Unsponsored ADR                            250,000       923,700
Hoganas AB Cl. B                             40,000     1,398,540
Minorco SA,
 Sponsored ADR                               35,000       831,250
                                                     ------------  
                                                        8,075,305
                                                     ------------

Non-Durable Household Goods -- 2.4%
Wella AG                                      2,000     1,147,070
Wella AG Preference                          10,000     5,843,749
                                                     ------------
                                                        6,990,819
                                                     ------------

Office Equipment -- 0.6%
Herlitz Trading AG                            5,000     1,642,425
                                                     ------------

Oil & Gas -- 3.4%
Awilco AS, B Shares                         151,250     1,594,841
Belle Corporation *                       5,000,000     1,202,000
British Petroleum
 Company PLC, ADR                           150,000     1,316,835
Expro International
 Group PLC                                  250,000     1,359,575
Hong Kong and China
 Gas Company Ltd.                           720,000     1,148,760
PTT Exploration and
 Production                                  50,000       732,305
Smedvig AS                                  100,000     2,316,690
                                                     ------------
                                                        9,671,006
                                                     ------------

Publishing & Printing -- 1.2%
News Corp. Ltd., ADR                        150,000     3,525,000
                                                     ------------

Real Estate -- 0.9%
Sun Hung Kai
 Properties Ltd.                            250,000     2,527,275
                                                     ------------

Retail -- 1.7%
Autobacs Seven Co.
 Limited *                                   50,000     4,832,170
                                                     ------------

Retail-Grocery -- 0.1%
Prodega AG                                    1,080  $    302,003
                                                     ------------

Shipping -- 0.2%
Lisnave-Estaleiros
 Navais de Lisbona SA *                     355,000       702,297
                                                     ------------

Specialty Retail -- 5.0%
Adidas AG                                    60,000     4,996,254
FamilyMart Co.                               60,500     2,691,790
Giordano International
 Ltd.                                     1,500,000     1,453,350
Jusco Co.                                   100,000     3,273,110
Moebel Walther AG,
 Preference                                  40,000     1,813,236
                                                     ------------
                                                       14,227,740
                                                     ------------

Telecommunications -- 6.1%
Amper SA *                                   80,000     1,042,032
CPT Telefonica del
 Peru SA, CI. B *                         1,600,000     3,250,400
Korea Mobile
 Telecommunications
 Corporation                                  4,300     5,322,587
Millicom International
 Cellular SA *                               37,500     1,785,938
Petersburg Long
 Distance, Inc. *                           109,000       892,438
Portugal Telecom SA *                        86,000     2,246,389
Telecom Italia Mobile
 SpA                                      1,299,900     2,904,237
                                                     ------------
                                                       17,444,021
                                                     ------------

Telephone Utilities -- 1.4%
Telecomunicacoes
 Brasileiras S/A-
 Telebras                                    18,500     1,288,063
Telefonica de Espana
 ADS                                        150,000     2,761,065
                                                     ------------
                                                        4,049,128
                                                     ------------

Textiles -- 2.0%
Bulgari SpA                                 225,000     3,595,995
Gucci Group NV *                             35,000     2,257,500
                                                     ------------
                                                        5,853,495
                                                     ------------

Tobacco -- 1.2%
B. A. T. Industries
 PLC                                        250,000     1,946,125
Compagnie Financiere
 Richemont AG                                 1,000     1,581,923
                                                     ------------
                                                        3,528,048
                                                     ------------
</TABLE>
                                                                     (Continued)

62   The accompanying notes are an integral part of the financial statements.
<PAGE>
 
MassMutual International Equity Fund - Portfolio of Investments (Continued)

<TABLE>
<CAPTION>
 
                                        Number of
                                         Shares      Market Value
                                       ------------  ------------
<S>                                  <C>           <C>
Transportation -- 1.4%
East Japan Railway
 Co.                                            750   $  3,931,839
                                                      ------------

TOTAL EQUITIES                                         284,205,555
                                                      ------------
(Cost $257,446,135)

WARRANTS -- 0.0%
Oil & Gas -- 0.0%
Hong Kong and China
 Gas Company Ltd *.                          72,000          2,744
(Cost $0)

RIGHTS -- 0.0%

Computer Hardware -- 0.0%
PT Multipolar
 Corporation *                              233,000              -
                                                     -------------
(Cost $0)

<CAPTION> 

                                        Principal
                                         Amount      Market Value
                                       ------------- -------------
<S>                                    <C>           <C> 
SHORT-TERM INVESTMENTS -- 3.1%
Commercial Paper
Associates Corporation
 of North America
 5.600% 7/01/1996                         $2,900,000 $   2,900,000
Sheffield Receivables
 Corp.
 5.350% 7/02/1996                          6,000,000     5,999,108
                                                     -------------
TOTAL SHORT-TERM
INVESTMENTS                                              8,899,108
                                                     -------------
(At Amortized Cost)

TOTAL INVESTMENTS -- 102.0%                            293,107,407
(Cost $266,345,243)+

Other Assets/
(Liabilities) - (2.0%)                                  (5,877,026)
                                                     -------------
NET ASSETS -- 100.0%                                 $ 287,230,381
                                                     =============

Notes to Portfolio of Investments

</TABLE>
*Non-income producing security
+Aggregate cost for Federal tax purposes (Note 7)
 ADR: American Depository Receipt
GDR: Global Depository Receipt
ADS: American Depository Shares

144A: Securities exempt from registration under
 rule 144A of the Securities Act of 1933. The Secu-
 rities may be resold in transactions exempt from
 registration, normally to qualified institutional
 buyers.

             The remainder of this page intentionally left blank.

   The accompanying notes are an integral part of the financial statements.

                                                                              63
<PAGE>
 
    MassMutual International Equity Fund - Financial Statements (Continued)

<TABLE>  
<CAPTION> 
Statement of                                                    June 30, 1996
Assets and                                                       (Unaudited)
Liabilities                                                   -----------------
<S>                                                           <C> 
Assets:
  Investments, at value (cost $257,446,135) (Note 2)......... $     284,208,299
  Short-term investments, at amortized cost (Note 2).........         8,899,108
                                                              -----------------
   Total Investments.........................................       293,107,407
  Cash.......................................................            38,977
  Foreign currency, at value (cost $4,224,526)...............         4,236,295
  Receivables from:
   Investments sold..........................................         2,390,348
   Open forward foreign currency contracts (Note 2)..........           619,684
   Fund shares sold..........................................           352,785
   Interest and dividends....................................           821,685
   Foreign taxes withheld....................................           299,392
   Investment manager (Note 3)...............................            14,876
                                                              -----------------
    Total assets.............................................       301,881,449
                                                              ----------------- 
Liabilities:
  Payables for:
   Investments purchased.....................................        12,778,201
   Fund shares redeemed......................................         1,617,230
   Directors' fees and expenses (Note 3).....................             2,011
   Affiliates (Note 3):
    Investment management fees...............................           197,303
    Administration fees......................................            22,712
    Service and distribution fees............................               231
   Accrued expenses and other liabilities....................            33,380
                                                              -----------------
    Total liabilities........................................        14,651,068
                                                              -----------------
   Net assets................................................ $     287,230,381
                                                              =================
Net assets consist of:
   Paid-in capital........................................... $     269,293,151
   Undistributed net investment income.......................         1,155,017
   Accumulated net realized loss on investments and
    foreign currency translations............................       (10,604,109)
   Net unrealized appreciation on investments, forward 
    foreign currency contracts, foreign currency and other       
    assets and liabilities...................................        27,386,322
                                                              -----------------
                                                              $     287,230,381
                                                              =================
Net assets:
   Class 1................................................... $         148,769
                                                              =================
   Class 2................................................... $         106,126
                                                              =================
   Class 3................................................... $         106,408
                                                              =================
   Class 4................................................... $     286,869,078
                                                              =================
Shares outstanding:
   Class 1...................................................            14,264
                                                              =================
   Class 2...................................................            10,120
                                                              =================
   Class 3...................................................            10,129
                                                              =================
   Class 4...................................................        27,230,156
                                                              =================
Net asset value, offering price and
redemption price per share:
   Class 1................................................... $           10.43
                                                              =================
   Class 2................................................... $           10.49
                                                              =================
   Class 3................................................... $           10.51
                                                              =================
   Class 4................................................... $           10.53
                                                              ================= 

</TABLE> 

64  The accompanying notes are an integral part of the financial statements.
<PAGE>
 
MassMutual International Equity Fund - Financial Statements (Continued)

<TABLE> 
<CAPTION> 
Statement of                                                  Six months ended
 Operations                                                     June 30, 1996
                                                                 (Unaudited)
                                                              -----------------
<S>                                                           <C> 
Investment income:
   Dividends (net of withholding tax of $282,149)...........  $       2,454,074
   Interest.................................................            172,248
                                                              -----------------
    Total investment income..................................         2,626,322
                                                              -----------------
Expenses (Note 1):
   Investment management fees (Note 3)......................          1,064,419
   Custody fees.............................................            122,588
   Audit and legal fees.....................................              3,702
   Directors' fees (Note 3).................................              5,154
   Fees waived by the investment manager (Note 3)...........            (62,820)
                                                              -----------------
                                                                      1,133,043
                                            
   Administration fees (Note 3):
    Class 1.................................................                338
    Class 2.................................................                275
    Class 3.................................................                225
    Class 4.................................................            121,590
   Distribution and service fees (Note 3):
    Class 1.................................................                369
    Class 2.................................................                 76
                                                              ----------------- 
     Net expenses...........................................          1,255,916
                                                              -----------------
     Net investment income..................................          1,370,406
                                                              ----------------- 
Realized and unrealized gain (loss) from investments
and foreign currency:
   Net realized gain (loss) on:
    Investment transactions.................................          3,189,134
    Foreign currency transactions...........................          3,270,096
                                                              -----------------
     Net realized gain......................................          6,459,230
   Net change in unrealized appreciation (depreciation) on:
    Investments.............................................         16,414,503
    Translation of assets and liabilities in foreign 
    currencies.............................................           (400,243)
                                                              ----------------
     Net unrealized gain...................................         16,014,260
                                                              ----------------
     Net realized and unrealized gain from investments
      and foreign currency.................................         22,473,490
                                                              ----------------
     Net increase in net assets resulting from operations..   $     23,843,896
                                                              ================

</TABLE> 

  The accompanying notes are an integral part of the financial statements.    65
<PAGE>
 
MassMutual International Equity Fund - Financial Statements (Continued)

<TABLE> 
<CAPTION> 
Statements of                                Six months ended
Changes in Net                                 June 30, 1996     Year ended
Assets                                          (Unaudited)   December 31, 1995
                                             ---------------- -----------------
<S>                                          <C>              <C> 
Increase (Decrease) in Net Assets:
Operations:
 Net investment income.....................  $      1,370,406 $       1,410,289
 Net realized gain (loss) on investment 
  transactions.............................         6,459,230       (11,680,240)
 Net change in unrealized appreciation
  (depreciation) on investments and
  translation of assets and liabilities in 
  foreign currencies.......................        16,014,260        19,939,116
                                             ---------------- -----------------
 Net increase in net assets resulting from 
  operations...............................        23,843,896         9,669,165
                                             ---------------- -----------------
Distributions to shareholders (Note 2):
 From net investment income:
 Class 1...................................                --                --
 Class 2...................................                --              (195)
 Class 3...................................                --              (467)
 Class 4...................................                --        (1,565,611)
                                             ---------------- -----------------
   Total distributions from net investment 
    income.................................                --        (1,566,273)
                                             ---------------- -----------------
 In excess of net investment income:
 Class 1...................................                --              (830)
 Class 2...................................                --              (952)
 Class 3...................................                --              (947)
 Class 4...................................                --        (2,389,653)
                                             ---------------- -----------------
   Total distributions in excess of net
    investment income......................                --        (2,392,382)
                                             ---------------- -----------------
Net fund share transactions (Note 5):
 Class 1...................................            28,205            16,103
 Class 2...................................                --             1,191
 Class 3...................................                --             1,430
 Class 4...................................        42,334,692        64,817,475
                                             ---------------- -----------------
  Increase in net assets from net fund
   share transactions......................        42,362,897        64,836,199
                                             ---------------- -----------------
 Total increase in net assets..............        66,206,793        70,546,709
Net assets:
 Beginning of period.......................       221,023,588       150,476,879
                                             ---------------- -----------------
 End of period (including undistributed net 
  investment income of $1,155,017 and 
  distributions in excess of net investment
  income of $215,389, respectively)........  $    287,230,381 $     221,023,588
                                             ================ =================
</TABLE>

66   The accompanying notes are an integral part of the financial statements.
<PAGE>
 
MassMutual International Equity Fund - Financial Statements (Continued)

Financial Highlights
(For a share outstanding throughout each period)


<TABLE> 
<CAPTION> 
                                                                                  Class 1
                                                                                  -------
                                                                Six months ended
                                                                     6/30/96       Year ended      Period ended
                                                                   (Unaudited)      12/31/95        12/31/94**
                                                                   ----------     -----------     -------------
<S>                                                                <C>            <C>             <C> 
Net asset value, beginning of period                               $     9.54     $      9.25     $    10.00
                                                                   ----------     ------------    ------------
Income (loss) from investment operations:                                                                                       
 Net investment income                                                   0.00           (0.03)         (0.02)
 Net realized and unrealized gain (loss) on investments                                                               
 and foreign currency                                                    0.89            0.40          (0.73)
                                                                   ----------     ------------    ------------
  Total income (loss) from investment operations                         0.89            0.37          (0.75)
                                                                   ----------     ------------    ------------
Less distributions to shareholders:                                                           
 From net investment income                                                --              --             --
 In excess of net investment income                                        --           (0.08)            --
                                                                   ----------     ------------    ------------
  Total distributions                                                      --           (0.08)            --
                                                                   ----------     ------------    ------------
Net asset value, end of period                                     $    10.43     $      9.54     $     9.25
                                                                   ==========     ============    ============
Total Return                                                             9.33%           3.96%         (7.50)%
Ratios / Supplemental Data:                                                           
 Net assets, end of period (000's)                                 $      149     $       112     $       93
 Net expenses to average daily net assets#                               2.15%*          2.15%          2.15%*
 Net investment income to average daily net assets                      (0.14)% *       (0.40)%        (1.10)% *
 Portfolio turnover rate                                                   38%            121%            18%
Average broker commission rate                                     $    .0278             N/A             N/A
   #Computed after giving effect to the reduction in                                                                
   management fee by MassMutual.  Without this reduction of                                                       
   fees by the investment manager, the ratio of expenses                                                           
   to average daily net assets would have been:                         2.20%*          2.24%          2.24%*

<CAPTION> 
                                                                                  Class 2
                                                                                  -------
                                                                Six months ended
                                                                     6/30/96       Year ended     Period ended
                                                                   (Unaudited)      12/31/95       12/31/94**
                                                                   ----------     ------------   -------------
<S>                                                             <C>               <C>             <C> 
Net asset value, beginning of period                               $     9.56     $      9.26     $    10.00
                                                                   ----------     ------------    ------------
Income (loss) from investment operations:                                                        
 Net investment income                                                   0.02            0.02          (0.01)
 Net realized and unrealized gain (loss) on investments                                             
 and foreign currency                                                    0.91            0.40          (0.73)
                                                                   ----------     ------------    ------------
  Total income (loss) from investment operations                         0.93            0.42          (0.74)
                                                                   ----------     ------------    ------------
Less distributions to shareholders:                                                              
 From net investment income                                                --           (0.02)            --
 In excess of net investment income                                        --           (0.10)            --
                                                                   ----------     ------------    ------------
  Total distributions                                                      --           (0.12)            --
                                                                   ----------     ------------    ------------
Net asset value, end of period                                     $    10.49     $      9.56     $     9.26
                                                                   ==========     ============    ============
Total Return                                                             9.73%           4.52%        (7.40)%
Ratios / Supplemental Data:                                                                      
 Net assets, end of period (000's)                                 $      106     $        97     $       93
 Net expenses to average daily net assets#                               1.60%*          1.60%          1.60%*
 Net investment income to average daily net assets                       0.45%*          0.19%         (0.55)%*
 Portfolio turnover rate                                                   38%            121%            18%
Average broker commission rate                                     $    .0278             N/A             N/A
   #Computed after giving effect to the reduction in                                              
   management fee by MassMutual.  Without this reduction of                                     
   fees by the investment manager, the ratio of expenses                                         
   to average daily net assets would have been:                          1.65%*          1.69%          1.69%*
</TABLE> 

*Annualized
**For the period from October 3, 1994 (commencement of operations) through
December 31, 1994.


   The accompanying notes are in integral part of the financial statements.
                                                                              67
<PAGE>
 
MassMutual International Equity Fund - Financial Statements (Continued)

Financial Highlights
(For a share outstanding throughout each period)

<TABLE> 
<CAPTION> 
                                                                                  Class 3
                                                                                  -------
                                                                Six months ended
                                                                     6/30/96       Year ended      Period ended
                                                                   (Unaudited)      12/31/95        12/31/94**
                                                                   ----------     -----------     -------------
<S>                                                                <C>            <C>             <C> 
Net asset value, beginning of period                               $     9.57     $      9.27     $    10.00
                                                                   ----------     -----------     -------------
Income (loss) from investment operations:                                                                                  
 Net investment income                                                   0.04            0.04          (0.00)
 Net realized and unrealized gain (loss) on investments                                                                       
 and foreign currency                                                    0.90            0.40          (0.73)
                                                                   ----------     -----------     -------------
  Total income (loss) from investment operations                         0.94            0.44          (0.73)
                                                                   ----------     -----------     -------------
Less distributions to shareholders:                                                           
 From net investment income                                                --           (0.05)            --
 In excess of net investment income                                        --           (0.09)            --
                                                                   ----------     -----------     -------------
  Total distributions                                                      --           (0.14)            --
                                                                   ----------     -----------     -------------
Net asset value, end of period                                     $    10.51     $      9.57     $     9.27
                                                                   ==========     ===========     =============
Total Return                                                             9.82%           4.78%         (7.30)%
Ratios / Supplemental Data:                                                                   
 Net assets, end of period (000's)                                 $      106     $        97     $       93
 Net expenses to average daily net assets#                               1.35%*          1.35%          1.35%*
 Net investment income to average daily net assets                       0.70%*          0.45%         (0.30)%*
 Portfolio turnover rate                                                   38%            121%            18%
 Average broker commission rate                                    $    .0278             N/A             N/A
  #Computed after giving effect to the reduction in                                                                        
   management fee by MassMutual.  Without this reduction of                                                               
   fees by the investment manager, the ratio of expenses                                                                   
   to average daily net assets would have been:                          1.40%*          1.44%          1.44%*


<CAPTION> 
                                                                                  Class 4
                                                                                  -------
                                                                Six months ended
                                                                     6/30/96       Year ended      Period ended
                                                                   (Unaudited)      12/31/95        12/31/94**
                                                                   ----------     -----------     -------------
<S>                                                                <C>            <C>             <C> 
Net asset value, beginning of period                               $     9.58     $      9.28     $    10.00
                                                                   ----------     -----------     -------------
Income (loss) from investment operations:                                                                                  
 Net investment income                                                   0.05            0.07           0.00
 Net realized and unrealized gain (loss) on investments                                                                   
 and foreign currency                                                    0.90            0.41          (0.72)
                                                                   ----------     -----------     -------------
  Total income (loss) from investment operations                         0.95            0.48          (0.72)
                                                                   ----------     -----------     -------------
Less distributions to shareholders:                                                           
 From net investment income                                                --           (0.07)            --
 In excess of net investment income                                        --           (0.11)            --
                                                                   ----------     -----------     -------------
  Total distributions                                                      --           (0.18)            --
                                                                   ----------     -----------     -------------
Net asset value, end of period                                     $    10.53     $      9.58     $     9.28
                                                                   ==========     ===========     =============
Total Return@                                                           10.02%           5.13%         (7.20)%
Ratios / Supplemental Data:                                                                   
 Net assets, end of period (000's)                                 $  286,869     $   220,718     $  150,199
 Net expenses to average daily net assets#                             1.0020%*        1.0020%        1.0020%*
 Net investment income to average daily net assets                       1.10%*          0.76%          0.04%*
 Portfolio turnover rate                                                   38%            121%            18%
Average broker commission rate                                     $    .0278             N/A            N/A
 #Computed after giving effect to the reduction in                                                                        
  management fee by MassMutual.  Without this reduction of                                                               
  fees by the investment manager, the ratio of expenses                                                                   
  to average daily net assets would have been:                         1.0517%*        1.0920%        1.0877%*
</TABLE> 
*Annualized
**For the period from October 3, 1994 (commencement of operations) through
  December 31, 1994.
@Employee retirement benefit plans that invest plan assets in the Separate
 Investment Accounts (SIAs) may be subject to certain charges as set forth
 in their respective Plan Documents. Total return figures would be lower for the
 periods presented if they reflected these charges.

       The accompanying notes are an integral part of the financial statements.

68
<PAGE>
 
Notes to Financial Statements (Unaudited)

1.  The Trust      MassMutual Institutional Funds (the "Trust") is registered
                   under the Investment Company Act of 1940, as amended (the
                   "1940 Act"), as an open-end, diversified management
                   investment company. The Trust is organized under the laws of
                   the Commonwealth of Massachusetts as a Massachusetts business
                   trust pursuant to an Agreement and Declaration of Trust dated
                   May 28, 1993, as amended. The Trust consists of seven
                   separate series of shares (each individually referred to as a
                   "Fund" or collectively as the "Funds"), each having four
                   classes of shares: Class 1, Class 2, Class 3 and Class 4.
                   Class 1, Class 2 and Class 3 shares of each Fund are offered
                   primarily to employer-sponsored defined contribution plans
                   that satisfy the qualification requirements of Section 401(a)
                   of the Internal Revenue Code of 1986, as amended (the
                   "Code"). Class 4 shares of each Fund are available only to
                   separate investment accounts ("SIAs") of Massachusetts Mutual
                   Life Insurance Company ("MassMutual") in which corporate
                   qualified plans including defined contribution plans and
                   defined benefit plans are permitted to invest pursuant to the
                   issuance of group annuity contracts. The Funds are MassMutual
                   Prime Fund ("Prime Fund"), MassMutual Short-Term Bond Fund
                   ("Short-Term Bond Fund"), MassMutual Core Bond Fund ("Core
                   Bond Fund"), MassMutual Balanced Fund ("Balanced Fund"),
                   MassMutual Value Equity Fund ("Value Equity Fund"),
                   MassMutual Small Cap Value Equity Fund ("Small Cap Value
                   Equity Fund"), and MassMutual International Equity Fund
                   ("International Equity Fund").

                   The Trust commenced operations on October 3, 1994, prior to
                   which its only activity was the receipt of a $107,000
                   investment from MassMutual and a $2,848,337,441 transfer of
                   Class 4 shares of the Funds in exchange for the assets of
                   certain MassMutual separate accounts and the assumption of
                   any liabilities attributable to those assets.

                   On November 2, 1994 MassMutual invested an additional
                   $1,995,000 in Classes 1, 2 and 3 of the Funds.

2.  Significant    The following is a summary of significant accounting policies
    Accounting     followed consistently by each Fund in the preparation of the
    Policies       financial statements in conformity with generally accepted
                   accounting principles. The preparation of the financial
                   statements in accordance with generally accepted accounting
                   principles requires management to make estimates and
                   assumptions that affect the reported amounts and disclosures
                   in the financial statements. Actual results could differ from
                   those estimates.

      Investment   Equity securities are valued on the basis of valuations
       Valuation   furnished by a pricing service, authorized by the Board of
                   Trustees, which provides the last reported sale price for
                   securities listed on a national securities exchange or on the
                   NASDAQ national market system, or in the case of over-the-
                   counter securities not so listed, the last reported bid
                   price. Debt securities (other than short-term obligations
                   with a remaining maturity of sixty days or less) are valued
                   on the basis of valuations furnished by a pricing service,
                   authorized by the Board of Trustees, which determines
                   valuations taking into account appropriate factors such as
                   institutional-size trading in similar groups of securities,
                   yield, quality, coupon rate, maturity, type of issue, trading
                   characteristics and other market data. Money market
                   obligations with a remaining maturity of sixty days or less
                   are valued at either amortized cost or at original cost plus
                   accrued interest, whichever approximates current market
                   value. All other securities and other assets, including debt
                   securities for which the prices supplied by a pricing agent
                   are deemed by MassMutual not to be representative of market
                   values, and including restricted securities and securities
                   for which no market quotation is available, are valued at
                   fair value in accordance with procedures approved by and
                   determined in good faith by the Trustees although the actual
                   calculation may be done by others.

                   Portfolio securities traded on more than one national
                   securities exchange are valued at the last price on the
                   business day as of which such value is being determined at
                   the close of the exchange representing the principal market
                   for such securities. All assets and liabilities expressed in
                   foreign currencies will be converted into U.S. dollars at the
                   mean between the buying and selling rates of such currencies
                   against U.S. dollars last quoted by any major bank. If such
                   quotations are not available, the rate of exchange will be
                   determined in accordance with policies established by the
                   Trustees.

                                                                              69
<PAGE>
 
Notes to Financial Statements (Continued)

   Accounting for  Investment transactions are accounted for on the trade date.
      Investments  Realized gains and losses on sales of investments and
                   unrealized appreciation and depreciation of investments are
                   computed on the specific identification cost method. Interest
                   income, adjusted for amortization of discounts and premiums
                   on investments, is earned from the settlement date and is
                   recorded on the accrual basis. Dividend income is recorded on
                   the ex-dividend date.

   Federal Income  It is each Fund's intent to continue to comply with the
              Tax  provisions of subchapter M of the Code applicable to a
                   regulated investment company. Under such provisions, the
                   Funds will not be subject to federal income taxes on their
                   ordinary income and net realized capital gain to the extent
                   they are distributed or deemed to have been distributed to
                   their shareholders. Therefore, no Federal income tax
                   provision is required.

    Dividends and  Dividends from net investment income and distributions of any
 Distributions to  net realized capital gains of each Fund are declared and paid
     Shareholders  annually and at other times as may be required to satisfy tax
                   or regulatory requirements. Distributions to shareholders are
                   recorded on the ex-dividend date. Income and capital gain
                   distributions are determined in accordance with income tax
                   regulations which may differ from generally accepted
                   accounting principles. These differences are primarily due to
                   investments in forward contracts, passive foreign investment
                   companies, the deferral of wash sale losses, and paydowns on
                   certain mortgage-backed securities. As a result, net
                   investment income (loss) and net realized gain (loss) on
                   investment transactions for a reporting period may differ
                   significantly from distributions during such period.
                   Accordingly, the Funds may periodically make
                   reclassifications among certain of their capital accounts
                   without impacting the net asset value of the Funds.

 Foreign Currency  The books and records of the Funds are maintained in U.S.
      Translation  dollars. The market values of foreign currencies, foreign
                   securities and other assets and liabilities denominated in
                   foreign currencies are translated into U.S. dollars at the
                   mean of the buying and selling rates of such currencies
                   against the U.S. dollar at the end of each business day.
                   Purchases and sales of foreign securities and income and
                   expense items are translated at the rates of exchange
                   prevailing on the respective dates of such transactions. The
                   Funds do not isolate that portion of the results of
                   operations arising from changes in the exchange rates from
                   that portion arising from changes in the market prices of
                   securities.

                   Net realized foreign currency gains and losses resulting from
                   changes in exchange rates include foreign currency gains and
                   losses between trade date and settlement date on investment
                   securities transactions, foreign currency transactions and
                   the difference between the amounts of dividends recorded on
                   the books of the Funds and the amount actually received.

  Forward Foreign  Each Fund may enter into forward foreign currency contracts
         Currency  in order to convert foreign denominated securities or
        Contracts  obligations to U.S. dollar denominated investments. The
                   International Equity Fund may engage in such transactions to
                   manage the value of portfolio holdings against future
                   movements in certain foreign currency exchange rates. A
                   forward foreign currency contract is an agreement between two
                   parties to buy and sell a currency at a set price on a future
                   date. The market value of a forward currency contract
                   fluctuates with changes in forward foreign currency exchange
                   rates. Forward foreign currency contracts are marked to
                   market daily and the change in their value is recorded by the
                   Funds as an unrealized gain or loss. When a forward foreign
                   currency contract is extinguished, through delivery or offset
                   by entering into another forward foreign currency contract,
                   the Funds record a realized gain or loss equal to the
                   difference between the value of the contract at the time it
                   was opened and the value of the contract at the time it was
                   extinguished or offset.

                   Forward foreign currency contracts involve a risk of loss
                   from the potential inability of counterparties to meet the
                   terms of their contracts and from unanticipated movements in
                   foreign currency values and interest rates.


70
<PAGE>
 
- --------------------------------------------------------------------------------
Notes to Financial Statements (Continued)
- --------------------------------------------------------------------------------

                 The notional or contractual amounts of these instruments
                 represent the investments the Funds have in particular classes
                 of financial instruments and do not necessarily represent the
                 amounts potentially subject to risk. The measurement of the
                 risk associated with these instruments is meaningful only when
                 all related and offset-financial instruments at June 30, 1996
                 is as follows:
                 
<TABLE> 
<CAPTION> 
                                                                     In
                                 Contracts                         Exchange                       Unrealized
                 Settlement         to             Units of        for U.S.    Contracts at      Appreciation
                    Date      Deliver/Receive      Currency        Dollars         Value        (Depreciation)
                 ----------  -----------------     --------        --------    -------------    -------------- 
                 <C>         <S>                 <C>            <C>            <C>              <C>  
                    BUYS 
                  7/02/96    Australian Dollar        45,625    $    36,135     $    35,907     $        (228)
                  7/03/96    Australian Dollar        56,002         44,155          44,073               (82)
                  7/01/96    German Deutsche                                
                              Mark                 2,357,070      1,548,463       1,548,564               101
                  7/03/96    Indonesian Rupiah   529,964,325        227,844         227,704              (140)
                  7/03/96    Philippine Peso       2,138,243         81,925          81,615              (310)
                  7/01/96    Portuguese Escudo    79,772,226        509,238         509,092              (146)
                  7/02/96    Portuguese Escudo    28,216,098        180,467         180,070              (397)
                  7/05/96    Swiss Franc           1,526,277      1,221,022       1,219,461            (1,561)
                  7/01/96    Thai Baht               948,500         37,431          37,344               (87)
                                                                                                --------------     
                                                                                                       (2,850)
                   SELLS
                  7/02/96    German Deutsche         
                              Mark                   128,613         84,436          84,497               (61) 
                  7/22/96    Japanese Yen      4,007,200,000     37,232,639      36,610,044           622,595
                                                                                                --------------     
                                                                                                      622,534
                                                                                                --------------     
                                                                                                $     619,684
                                                                                                ==============
</TABLE> 

        Forward  Each Fund may purchase or sell securities on a "when issued" 
    Commitments  or delayed delivery or on a forward commitment basis. The Funds
                 use forward commitments to manage interest rate exposure or as
                 a temporary substitute for purchasing or selling particular
                 debt securities. Forward commitments are not used for purposes
                 of trading. Delivery and payment for securities purchased on a
                 forward commitment basis can take place a month or more after
                 the date of the transaction. The Funds instruct the custodian
                 to segregate assets in a separate account with a current market
                 value at least equal to the amount of its forward purchase
                 commitments. The price of the underlying security and the date
                 when the securities will be delivered and paid for are fixed at
                 the time the transaction is negotiated. The value of the
                 forward commitment is determined by management using a commonly
                 accepted pricing model and fluctuates based upon changes in the
                 value of the underlying security and market repurchase rates.
                 Such rates equate the counterparty's cost to purchase and
                 finance the underlying security to the earnings received on the
                 security and forward delivery proceeds. The Funds record on a
                 daily basis the unrealized appreciation/depreciation based upon
                 changes in the value of the forward commitment. When a forward
                 commitment contract is closed, the Funds record a realized gain
                 or loss equal to the difference between the value of the
                 contract at the time it was opened and the value of the
                 contract at the time it was extinguished. Forward commitments
                 involve a risk of loss if the value of the security to be
                 purchased declines prior to the settlement date. The Funds
                 could also be exposed to loss if they cannot close out their
                 forward commitments because of an illiquid secondary market, or
                 the inability of counterparties to perform. The Funds monitor
                 exposure to ensure counterparties are creditworthy and
                 concentration of exposure is minimized. A summary of open
                 obligations under these forward commitments at June 30, 1996,
                 is as follows:

<TABLE> 
<CAPTION> 
                         Forward             Expiration      Aggregate
                        Commitment               of          Face Value                           Market          Unrealized
                         Contracts           Contracts      of Contracts          Cost             Value         Appreciation 
                         ---------           ---------      ------------          ----             -----         ------------
                      <S>                   <C>             <C>                <C>              <C>              <C> 
                      CORE BONDS FUND
                      U.S. Treasury Note
                      6.875% 5/15/2006      November 1996    $18,500,000       $18,473,984      $18,569,005         $95,021
     
                      BALANCED FUND
                      U.S. Treasury Note
                      6.875% 5/15/2006      November 1996      5,600,000         5,619,469        5,620,888           1,419
</TABLE> 

                                                                              71























































































    
<PAGE>

Notes to Financial Statements (Continued)
 
Allocation of                In maintaining the records for the Funds, the 
Operating Activity           income and expense accounts are allocated to each
                             class of shares. Investment income, unrealized and
                             realized gains or losses are prorated among the
                             classes of shares based on the relative net assets
                             of each. Expenses are allocated to each class of
                             shares depending on the nature of the expenditures.
                             Administration and distribution and service fees,
                             which are directly attributable to a class of
                             shares, are charged to that class' operations.
                             Expenses of the Fund not directly attributable to
                             the operations of any class of shares or Fund are
                             prorated among the Funds and classes to which the
                             expense relates based on the relative net assets of
                             each. Total expenses per class are currently
                             limited to a percentage of average daily net
                             assets, as discussed in Note 3.

3.  Management
    Fees and Other
    Transactions
    With Affiliates
         Investment          Under an agreement between the Trust and 
    Management Fees          MassMutual, MassMutual is responsible for providing
                             investment management of each Fund. In return for
                             this service, MassMutual receives advisory fees
                             monthly based upon each Fund's average daily net
                             assets at the following annual rates:

                             Prime Fund                              .45%
                             Short-Term Bond Fund                    .45%
                             Core Bond Fund                          .45%
                             Balanced Fund                           .45%
                             Value Equity Fund                       .45%
                             Small Cap Value Equity Fund             .55%
                             International Equity Fund               .85%

                             MassMutual has entered into investment sub-advisory
                             agreements with two subsidiaries: Concert Capital
                             Management, Inc. ("Concert Capital") and
                             HarbourView Asset Management Corporation ("Harbour-
                             View"). These agreements provide that (1) Concert
                             Capital will manage the investment and reinvestment
                             of the assets of the Value Equity Fund, the Small
                             Cap Value Equity Fund and the Value Equity sector
                             of the Balanced Fund, and (2) HarbourView will
                             manage the investment and reinvestment of the
                             assets of the International Equity Fund.

                             MassMutual pays Concert Capital a fee equal to an
                             annual rate of .13% of the average daily net asset
                             value of the Value Equity Fund and the Value Equity
                             sector of the Balanced Fund and .25% of the average
                             daily net asset value of the Small Cap Value Equity
                             Fund. MassMutual pays HarbourView a fee equal to an
                             annual rate of .50% of the average daily net asset
                             value of the International Equity Fund.

Administration Fees          Under separate administrative and shareholder 
                             services agreements between each Fund and
                             MassMutual, MassMutual provides certain
                             administrative and shareholder services and bears
                             some class specific administrative expenses. In
                             return for these services, MassMutual receives an
                             administrative services fee monthly based upon the
                             average daily net assets of the applicable class of
                             shares of the Fund at the following annual rates:

<TABLE> 
<CAPTION> 
                             <S>                              <C>          <C>          <C>         <C>  
                                                                Class 1      Class 2     Class 3      Class 4    
                                                              -----------  -----------  ----------  -----------  
                             Prime Fund                         .5628%       .5128%      .3152%       .0812%     
                             Short-Term Bond Fund               .5568%       .5068%      .3092%       .0782%     
                             Core Bond Fund                     .5688%       .5188%      .3212%       .0842%     
                             Balanced Fund                      .5708%       .5208%      .3232%       .0852%     
                             Value Equity Fund                  .5814%       .5314%      .3338%       .0905%      
                             Small Cap Value Equity Fund        .5728%       .5228%      .3252%       .0862%
                             International Equity Fund          .5948%       .5448%      .4448%       .0972%
</TABLE> 


72




<PAGE>
 
Notes to Financial Statements (Continued)

Distribution and          OppenheimerFunds Distributor, Inc. (Oppenheimer") acts
   Service Fees           as distributor to each Fund, MML Investor Services,
                          Inc. ("MMLISI") serves as sub-distributor to each
                          Fund. MassMutual has a controlling interest in
                          OppenheimerFunds and MMLISI is a wholly owned
                          subsidiary of MassMutual. Oppenheimer is paid a
                          distribution fee with respect to Class 1 and Class 2
                          at the annual rate of .40% and .15%, respectively, of
                          the value of average daily net assets attributable to
                          those classes of shares of which a portion is
                          subsequently allocated to MMLISI. The Funds do not pay
                          any fees directly to MMLISI. MassMutual is also paid a
                          fee for shareholder services with respect to Class 1
                          shares of the Funds at the annual rate of .25% of the
                          value of the average daily net assets of the
                          respective class of each Fund. These fees are
                          authorized pursuant to separate service and
                          distribution plans for each of the classes of shares
                          adopted by the Funds pursuant to Rule 12B-1 under the
                          Investment Company Act and are used by Oppenheimer to
                          cover expenses primarily intended to result in the
                          sale of those shares of the Funds.

Expense Limitations       MassMutual has voluntarily agreed to waive a portion 
                          of its management fee to the extent that the aggregate
                          annual operating expenses incurred during the year
                          exceed the following percentages of the average daily
                          net assets:
<TABLE> 
<CAPTION> 
                          <S>                            <C>          <C>          <C>          <C> 
                                                           Class 1      Class 2      Class 3      Class 4   
                                                         -----------  -----------  -----------  ----------- 
                          Prime Fund                        1.65%        1.10%         .75%        .5160%    
                          Short-Term Bond Fund              1.65%        1.10%         .75%        .5190%
                          Core Bond Fund                    1.65%        1.10%         .75%        .5130%
                          Balanced Fund                     1.65%        1.10%         .75%        .5120%
                          Value Equity Fund                 1.65%        1.10%         .75%        .5067%
                          Small Cap Value Equity Fund       1.75%        1.20%         .85%        .6110%
                          International Equity Fund         2.15%        1.60%        1.35%        1.002%
</TABLE> 

                          MassMutual's management fee for the six months ended
                          June 30, 1996 was $9,809,201, of which $883,062 was
                          reimbursed to the Funds.

             Other        Certain officers and directors of the Fund's are also
                          officers of massmutual. the compensation of
                          unaffiliated directors of the Funds is borne by the
                          Funds.

                          At June 30, 1996, MassMutual or separate investment
                          accounts thereof owned all of the outstanding shares
                          of the Trust except 416,411, 3,606, and 4,183 shares
                          of the Core Bond Fund, Balanced Fund, Small Cap Value
                          Equity Fund, and International Equity Fund,
                          respectively.

4.  Purchases And         Cost of purchases and proceeds from sales of 
    Sales Of              investment securities (excluding short-term 
    Investments           investments) for the six months ended June 30, 1996 
                          were as follows:

<TABLE> 
<CAPTION>
                         <S>                           <C>                            <C>  
                                                        Long-term U.S.
                                                         Government                     Other Long-term
                                                          Securities                       Securities
                                                        ---------------                -----------------
           Purchases      Short-Term Bond Fund          $   49,957,501                 $     13,115,361
                          Core Bond Fund                   124,308,567                       63,768,191
                          Balanced Fund                     36,364,062                       43,267,213
                          Value Equity Fund                         --                      168,877,260
                          Small Cap Value Equity Fund               --                       53,006,335
                          International Equity Fund                 --                      140,161,407

               Sales      Short-Term Bond Fund          $    3,623,594                 $      5,344,277
                          Core Bond Fund                    77,578,152                       18,729,327
                          Balanced Fund                     16,021,328                       22,546,303
                          Value Equity Fund                         --                      128,403,454
                          Small Cap Value Equity Fund               --                       57,812,809
                          International Equity Fund                 --                       95,634,593
</TABLE> 

                                                                              73







<PAGE>
- ------------------------------------------------------------------------------- 
Notes to Financial Statements (Continued)
- -------------------------------------------------------------------------------

5.  Capital Share   The Funds are authorized to issue an unlimited number of
    Transactions    shares, with no par value, in one or more of four classes of
                    shares; Class 1, Class 2, Class 3 and Class 4. Class 1 and
                    Class 2 shares of each Fund are subject to distribution and
                    service fees. Class 3 shares are not subject to any
                    distribution or service fees. SIA Investors purchase Class 4
                    shares directly from the Funds and pay no distribution or
                    service fees. Changes in shares outstanding for each Fund
                    are as follows:

<TABLE> 
<CAPTION> 
                                                Class 1                                                Class 2

                             Six months ended             Year ended                 Six months ended             Year ended
                              June 30, 1996            December 31, 1995               June 30, 1996           December 31, 1995

                            Shares      Amount        Shares       Amount            Shares     Amount         Shares      Amount
                            ------      ------        ------       ------            ------     ------         ------      ------
<S>                       <C>         <C>           <C>          <C>               <C>        <C>            <C>         <C> 
Prime Fund
 Sold                           --          --            --           --                --         --             --          --
 Issued as reinvestment
  of dividends                  --          --            28        4,178                --         --             32       4,746
 Redeemed                       --          --            --           --                --         --             --          --
                          --------    --------      --------     --------          --------   --------       --------    --------
 Net increase                   --          --            28        4,178                --         --             32       4,746
                          ========    ========      ========     ========          ========   ========       ========    ======== 

Short-Term Bond Fund
 Sold                           --          --            --           --                --         --             --          --
 Issued as reinvestment
  of dividends                  --          --           740        7,530                --         --            796       8,116
 Redeemed                       --          --            --           --                --         --             --          --
                          --------    --------      --------     --------          --------   --------       --------    --------
 Net increase                   --          --           740     $  7,530                --         --            796    $  8,116
                          ========    ========      ========     ========          ========   ========       ========    ========

Core Bond Fund
 Sold                          389       4,100         4,457       49,156                --         --             --          --
 Issued as reinvestment
  of dividends                  --          --         1,186       12,759                --         --            861       9,288
 Redeemed                   (4,795)    (50,731)           --           --                --         --             --          --
                          --------    --------      --------     --------          --------   --------       --------    --------
 Net increase (decrease)    (4,406)   ($46,631)        5,643     $ 61,915                --         --            861    $  9,288
                          ========    ========      ========     ========          ========   ========       ========    ========

Balanced Fund
 Sold                          906      10,664         4,480       49,577                --         --             --          --
 Issued as reinvestment
  of dividends                  --          --           530        6,084                --         --            401       4,610
 Redeemed                   (5,243)    (61,750)          (23)        (260)               --         --             --          --
                          --------    --------      --------     --------          --------   --------       --------    --------
 Net increase (decrease)    (4,337)   ($51,086)        4,987     $ 55,401                --         --            401    $  4,610
                          ========    ========      ========     ========          ========   ========       ========    ========

Value Equity Fund
 Sold                           --          --            --           --                --         --             --          --
 Issued as reinvestment
  of dividends                  --          --           219        2,751                --         --            267       3,372
 Redeemed                       --          --            --           --                --         --             --          --
                          --------    --------      --------     --------          --------   --------       --------    --------
 Net increase                   --          --           219     $  2,751                --         --            267    $  3,372
                          ========    ========      ========     ========          ========   ========       ========    ========

Small Cap Value Equity Fund
 Sold                        4,347      53,784         4,740       49,719                --         --             --          --
 Issued as reinvestment
  of dividends                  --          --           119        1,356                --         --            114       1,300
 Redeemed                   (5,522)    (64,174)           --           --                --         --             --          --
                          --------    --------      --------     --------          --------   --------       --------    --------
 Net increase (decrease)    (1,175)   ($10,390)        4,859     $ 51,075                --         --            114    $  1,300
                          ========    ========      ========     ========          ========   ========       ========    ========

International Equity Fund
 Sold                        5,370      55,024         1,610       15,218                --         --             --          --
 Issued as reinvestment
  of dividends                  --          --            93          885                --         --            124       1,191
 Redeemed                   (2,814)    (26,819)           --           --                --         --             --          --
                          --------    --------      --------     --------          --------   --------       --------    --------
 Net increase                2,556    $ 28,205         1,703     $ 16,103                --         --            124    $  1,191
                          ========    ========      ========     ========          ========   ========       ========    ========
</TABLE> 

74
     
<PAGE>
- ------------------------------------------------------------------------------- 
Notes to Financial Statements (Continued)
- -------------------------------------------------------------------------------

<TABLE> 
<CAPTION> 
                                               Class 3                                                Class 4
                             Six months ended             Year ended                Six months ended             Year ended 
                              June 30, 1996            December 31, 1995             June 30, 1996            December 31, 1995 

                           Shares        Amount       Shares        Amount        Shares        Amount      Shares        Amount  
                          --------      --------     --------      --------      --------      --------    --------      --------   
<S>                      <C>           <C>          <C>           <C>           <C>         <C>           <C>         <C> 
Prime Fund
 Sold                             --            --           --           --      1,405,346 $215,828,407    1,826,450 $281,187,060  
 Issued as reinvestment                                                                                                             
   of dividends                   --            --           34        5,095            --           --       84,068    12,693,332
 Redeemed                         --            --           --           --     (1,331,801)(204,668,527)  (1,363,706)(210,583,290) 
                         -----------   -----------  -----------  -----------    -----------  -----------  -----------  -----------  
 Net increase                                                34  $     5,095         73,545  $11,159,880      546,812  $83,297,102
                         ===========   ===========  ===========  ===========    ===========  ===========  ===========  ===========
Short-Term Bond Fund
 Sold                             --            --           --           --      3,577,832   36,587,823    5,136,925   53,696,509  
 Issued as reinvestment                                                                                                             
   of dividends                   --            --          830        8,467             --           --      947,825    9,611,215  
 Redeemed                         --            --           --           --     (2,759,155) (28,186,295)  (4,819,336) (50,374,106) 
                         -----------   -----------  -----------  -----------    -----------  -----------  -----------  -----------  
 Net increase                                               830  $     8,467        818,677  $ 8,401,528    1,265,414  $12,933,618
                         ===========   ===========  ===========  ===========    ===========  ===========  ===========  ===========
Core Bond Fund
 Sold                             --            --           --           --      9,060,480   95,247,604    8,241,236   89,191,723  
 Issued as reinvestment                                                                                                             
   of dividends                   --            --          894        9,658             --           --    1,952,750   20,953,505  
 Redeemed                         --            --           --           --     (3,368,329) (35,402,316)  (6,340,632) (67,005,587) 
                         -----------   -----------  -----------  -----------    -----------  -----------  -----------  -----------  
 Net increase                                               894  $     9,658      5,692,151  $59,845,288    3,853,354  $43,139,641
                         ===========   ===========  ===========  ===========    ===========  ===========  ===========  ===========
Balanced Fund 
 Sold                             --            --           --           --      8,726,225  103,411,477   17,612,664  191,493,187  
 Issued as reinvestment                                                                                                             
   of dividends                   --            --          433        4,977             --           --    1,722,693   19,759,099  
 Redeemed                         --            --           --           --     (6,525,961) (77,470,455) (14,889,389)(160,925,764) 
                         -----------   -----------  -----------  -----------    -----------  -----------  -----------  -----------  
 Net increase                                               433  $     4,977      2,200,264  $25,941,022    4,445,968  $50,326,522
                         ===========   ===========  ===========  ===========    ===========  ===========  ===========  ===========
Value Equity Fund
 Sold                             --            --           --           --     23,143,496  308,328,279   39,224,457  451,052,424  
 Issued as reinvestment                                                                                                             
   of dividends                   --            --          299        3,763             --           --    5,223,526   65,653,544  
 Redeemed                         --            --           --           --    (25,147,801)(336,664,997) (34,020,780)(390,453,417) 
                         -----------   -----------  -----------  -----------    -----------  -----------  -----------  -----------  
 Net increase (decrease)                                    299  $     3,763     (2,004,305) $28,336,718   10,427,203 $126,252,551
                         ===========   ===========  ===========  ===========    ===========  ===========  ===========  ===========
Small Cap Value Equity Fund Sold 
 Sold                             --            --           --           --      5,455,096   65,342,001    9,765,741  102,623,894
 Issued as reinvestment
   of dividends                   --            --          146        1,672             --           --      539,817   $6,159,231
 Redeemed                         --            --           --           --     (4,833,173) (58,194,404)  (9,110,662) (97,354,772)
                         -----------   -----------  -----------  -----------    -----------  -----------  -----------  -----------
 Net increase                                               146  $     1,672        621,923  $ 7,147,597    1,194,896  $11,428,353
                         ===========   ===========  ===========  ===========    ===========  ===========  ===========  ===========
International Equity Fund        
 Sold                             --            --           --           --      7,537,078   75,875,424   11,931,440  112,672,627
 Issued as reinvestment
   of dividends                   --            --          149        1,430             --           --      412,266    3,955,148
 Redeemed                         --            --           --           --     (3,351,171) (33,540,732)  (5,487,562) (51,810,300)
                         -----------   -----------  -----------  -----------    -----------  -----------  -----------  -----------
 Net increase                                               149  $     1,430      4,185,907  $42,334,692    6,856,144  $64,817,475
                         ===========   ===========  ===========  ===========    ===========  ===========  ===========  ===========
</TABLE> 

                                                                              75


<PAGE>
                 
- --------------------------------------------------------------------------------
Notes to Financial Statements (Continued)
- --------------------------------------------------------------------------------

6. Foreign           The International Equity Fund invests substantially all of
   Securities        its assets in foreign securities. The other Funds may also
                     invest in foreign securities, subject to certain percentage
                     restrictions. Investing in securities of foreign companies
                     and foreign governments involves special risks and
                     considerations not typically associated with investing in
                     securities of U.S. companies and the U.S. Government. These
                     risks include revaluation of currencies and future adverse
                     political and economic developments. Moreover, securities
                     of many foreign companies and foreign governments and their
                     markets may be less liquid and their prices more volatile
                     than those of securities of comparable U.S. companies and
                     the U.S. Government.                      
                      
7. Federal Income    At June 30, 1996, the cost of securities and the unrealized
   Tax Information   appreciation (depreciation) in the value of investments   
                     owned by the Funds, as computed on a Federal income tax   
                     basis, are as follows:                                     
                     
<TABLE> 
<CAPTION> 

                                                  Federal           Tax Basis       Tax Basis      Net Unrealized
                                                 Income Tax         Unrealized      Unrealized       Appreciation
                                                    Cost            Appreciation    Depreciation    (Depreciation)
                                                 ----------        ------------    ------------    --------------
                     <S>                          <C>               <C>             <C>             <C> 
                     Prime Fund                   $  272,920,522    $      6,719    $   (12,127)    $     (5,408)
                     Short-Term Bond Fund            132,374,680         707,531       (735,523)         (27,992)
                     Core Bond Fund                  310,881,332       3,922,965     (4,528,865)        (605,900)
                     Balanced Fund                   443,089,217      65,355,194     (1,482,359)      63,872,835
                     Value Equity Fund             1,734,674,211     544,567,678     (4,859,054)     539,708,624
                     Small Cap Value Equity Fund     351,338,028      84,523,669     (9,510,814)      75,012,855
                     International Equity Fund       266,345,243      36,599,373     (9,837,209)      26,762,164
</TABLE> 

                     At December 31, 1995, the following Funds have available,
                     for Federal income tax purposes, unused capital losses:

                     
<TABLE> 
<CAPTION> 
                                                        Amount            Expiration Date
                                                  --------------------  ---------------------
                     <S>                           <C>                   <C> 
                     Prime Fund                      $      2,009         December 31, 2003
                     Small Cap Value Equity Fund           21,693         December 31, 2003
                     International Equity Fund            602,013         December 31, 2002
                                                       14,566,259         December 31, 2003
                     
</TABLE> 
     
76
<PAGE>
 
This report has been prepared for shareholders and may be distributed to others 
only if preceded or accompanied by a current prospectus or private placement 
memorandum, if applicable, containing more complete information including fees, 
risks, and expenses. If used as sales material, this report must be accompanied 
by a Performance Update for the most recently completed calendar quarter. The 
figures in this report reflect past results. The investment return and principal
value of shares will fluctuate with market conditions so that shares, when 
redeemed, may be worth more or less than their original cost. All investments 
are subject to certain risks. For example, stocks are sensitive to price changes
and bonds are affected by interest rate fluctuations. Investors should make 
investment decisions based on an investment strategy that takes into 
consideration investment goals, the length of time money can stay invested, and 
risk tolerance. Portfolio changes should not be considered recommendations for 
action by individual investors.


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