KEYSTONE BALANCED FUND K-1
N-30D, 1997-03-07
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PAGE 1
- ---------------------------

Keystone Balanced Fund (K-1)
Seeks current income from a quality selection of stocks and bonds.

Dear Shareholder: 

We would like to take this opportunity to report on Keystone Balanced Fund 
(K-1) for the six-month period which ended December 31, 1996. Following this 
letter, we have included an interview with your Fund's manager in which he 
discusses portfolio strategy. 

Performance 

Your Fund returned 10.0% for the six-month period which ended December 31, 
1996 and 15.8% for the twelve-month period which ended December 31, 1996. 
For the same periods, the Standard & Poor's 500, a broad-based index of 
common stocks, returned 11.6% and 22.9%, respectively. The Lehman Aggregate 
Bond Index, an index of government, corporate and mortgage-backed securities, 
returned 4.9% and 3.6%, for the same six- and twelve-month periods. 

  We believe your Fund performed very well during the period. We think the 
Fund's conservative strategy and emphasis on quality in both stock and bond 
selection worked very well during a period of uncertainty and volatility. 

Taking advantage of market leaders 

Strong corporate earnings and a favorable economic environment sent stocks to 
new highs during the six-month period. In October the Dow Jones Industrial 
Average set another record, crossing the 6000 mark, and it continued to rise 
to the end of the year. Your Fund maintained its conservative approach and 
attempted to minimize portfolio volatility by investing in a combination of 
high quality stocks and bonds. Because the stocks of large, established 
companies were market leaders during the period, your Fund benefitted from 
its greater exposure to these types of stocks. At the end of the period, your 
Fund's asset allocation breakdown was 62% in stocks and 34% in bonds. 

Our outlook 

We expect the favorable economic fundamentals of 1996 to continue into 1997. 
We believe that the economy should grow at a moderate rate, inflation should 
continue to be under control and interest rates should remain relatively 
stable. After two years of very strong performance, we anticipate more 
moderate returns in both the stock and bond markets in 1997. We believe it 
would be unrealistic to expect another year when returns significantly exceed 
historical market averages. 

  While we have a favorable outlook for 1997, it is important to remember that 
we are now in the sixth year of a stock market rally, the longest since the 
end of World War II. History has shown that strong performance does not 
persist indefinitely, and stocks periodically experience price declines. We 
experienced this type of correction in June and July, followed by a recovery. 
While we continue to see opportunities in the stock market, we caution 
investors to be prepared for less generous returns in the future and to not 
be surprised by corrections. We believe, however, that investors should 
maintain a long-term perspective and not be swayed by short-term performance 
issues, whether they be positive or negative. 

                                 --continued-- 

<PAGE> 

PAGE 2
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Keystone Balanced Fund (K-1)

Keystone acquired by First Union Corporation 

We are pleased to inform you that Keystone has been acquired by First Union 
Corporation. First Union, based in Charlotte, N.C., is the nation's six 
largest bank holding company with assets of approximately $130 billion. 
Keystone Investment Management Company will continue to be the investment 
adviser, responsible for managing your Fund's portfolio. Your Fund will 
continue to be managed with the same style and philosophy as in the past. 

  First Union also owns another mutual fund management company, Evergreen 
Asset Management Corp. Together, Evergreen and Keystone manage approximately 
$30 billion in assets. Service and marketing will now be conducted under the 
"Evergreen Keystone Funds" umbrella. 

  We believe the partnership between Evergreen and Keystone will strengthen 
our ability to offer you outstanding investment management services. 

  Thank you for your continued support of Keystone Balanced Fund (K-1). If you 
have any questions or comments about your investments, we encourage you to 
write to us. 

Sincerely, 

[SIG]Albert H. Elfner, III

Albert H. Elfner, III 
Chairman 
Keystone Investments Management Co., Inc. 

[SIG]Geprge S. Bissell

George S. Bissell 
Chairman of the Board 
February 1997 

[PHOTO]Albert H. Elfner, III
[PHOTO]George S. Bissell

<PAGE> 

PAGE 3 
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                              A Discussion With 
                              Your Fund Manager 

[PHOTO] Walter McCormick

Walter McCormick is senior portfolio manager of your Fund and leads 
Keystone's core equity stock team. A Chartered Financial Analyst, Mr. 
McCormick holds an MBA from Rutgers University and has more than 26 years of 
investment management experience. Together with portfolio managers Andrew 
Baldassarre, Jonathan Noonan, Judith Warners, George Wilkins and Walter 
Zagrobski, the team focuses on income-producing stocks of established 
companies that are attractively valued. 

Q What was the economic environment like during the six-month period? 

A  The economic environment changed during the last six months of 1996. After 
experiencing strong economic growth and relatively high interest rates in the 
first half of the year, economic growth moderated to a slower, sustainable 
pace, and interest rates declined. These factors, coupled with solid 
corporate profits, provided a strong economic backdrop for stocks. While 
stock prices declined sharply in the early part of July, this short-term 
downturn in the market provided us with opportunities to purchase more stocks 
at attractive prices. Fixed-income investors also benefitted from a favorable 
economic environment, as declining interest rates increased the value of 
existing bonds. 

Q How did you manage the portfolio in this environment? 

A We maintained a conservative strategy of investing in established 
companies and high quality bonds. Stocks of large, established companies were 
market leaders throughout 1996, and your Fund benefitted from a higher than 
average emphasis on these types of businesses. On December 31, 1996, about 
62% of your Fund's net assets were invested in stocks, and about 34% were 
invested in bonds. 

Q What contributed to the Fund's strong performance during the six-month 
period? 

A Most of your Fund's return came from the stock portion of the portfolio. 
We selected companies with proven records of consistent earnings and dividend 
payouts. We diversified the Fund's investments among a variety of economic 
sectors. Many of the companies in which we invested, such as GE, Gillette, 
Johnson & Johnson, are household names. 

Q Why were large-company stocks such strong performers? 

A Many of the large companies in which we invested are multinationals. Over 
the past several years, many of these companies have undertaken massive 
restructuring programs, which have paid off. Strict cost-control programs 
and downsizing have led to greater efficiency and productivity. In many 
instances, U.S.-based companies have become the low-cost producers of goods 
and services in the global economy. Estab- 

Fund Profile 
Objective: Seeks income and growth from a quality selection of 
stocks and bonds. 
Number of stocks: 135 
Average bond rating: AAA 
Assets: $1,571 million 
Commencement of investment operations: September 11, 1935 
Newspaper listing: BalnceK1 

<PAGE> 

PAGE 4 
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Keystone Balanced Fund (K-1)

Keystone's Balanced Fund Approach 
Stocks 
(bullet) Seasoned, financially sound companies 
(bullet) Companies with consistent earnings histories 
(bullet) Holdings are required to pay dividends 
Bonds 
(bullet) Quality corporate, government and mortgage-backed securities 
(bullet) Focus on bonds rated in top 4 categories (AAA, AA, A, BBB) 
(bullet) Contribute major portion of quarterly dividend 

lished U.S. companies also reaped the rewards of large capital inflows into 
the stock market. A significant portion of the money invested in the stock 
market has come from retirement investors. These investors tend to be more 
conservative and often favor the stocks of high quality companies that 
usually perform well in rising markets and that tend to hold their own during 
market downturns. 

Q At 8.0% of net assets on December 31, 1996, drug stocks accounted for the 
portfolio's largest sector weighting. Where did you find opportunity in 
this area? 

A Large pharmaceutical companies were consistent performers throughout 1996. 
Some of the companies in which we invested included American Home Products, 
Johnson & Johnson, Merck & Company, SmithKline Beecham, and Warner-Lambert. 
Drug companies had a number of positive attributes, including promising new 
drugs in the pipeline and the benefits of cost efficiencies following 
restructuring and major acquisitions. 

Q Financial stocks continued to be a prominent part of the portfolio during 
the period. Why were these stocks attractive? 

A When we talk about financial stocks, we include what we refer to as
"interest-rate sensitive" stocks. These are stocks that tend to perform well in
a declining interest rate environment. They include the stocks of banks,
insurance companies and real estate investment trusts (REITs). In the banking
sector we invested in BankAmerica and BankBoston. These two large banks not only
benefitted from declining interest rates, they also profited from consolidation
trends in the industry. Insurance stocks in which we invested included
Travelers/Aetna Property Insurance, PMI, a mortgage insurance company, and GCR
Holdings, a reinsurance company. Reinsurance companies provide a way for
individual insurance companies to take on clients whose coverage would be too
great a burden for one insurer to carry alone. A reinsurer shares risk with
other insurance companies, in return for part of the premium fee paid by the
insured.

[Pie Chart]

Asset Allocation
as of December 31, 1996

Stocks (62%)
Bonds (34%)
Cash (4%)

(as a percent of portfolio assets)

(1) Includes short-term investments and other assets and liabilities.

Q . . . and what types of REITs did you add to the portfolio? 

A  We began investing in REITs more than a year ago, when we believed they 
were undervalued and offered potential for strong returns. We were very 
selective in choosing REITs for the portfolio. Focusing primarily on 
commercial properties, we invested in Beacon Properties, a Boston-based real 
estate development company, and Patriot American Hospitality, a hotel REIT. 

Q Oil stocks generated solid returns during the period. What contributed to 
their performance? 

<PAGE> 

PAGE 5 
- ---------------------------

A Rising oil prices boosted the earnings of many of the large oil companies we
held in the portfolio. On December 31, 1996, oil was $25.95 a barrel, up from
$20.95 a barrel on June 30, 1996. In investing in this sector, we concentrated
on large oil companies, such as Atlantic Richfield, Exxon, Mobil, and Royal
Dutch Petroleum.


Top 10 Holdings 
as of December 31, 1996 
<TABLE>
<CAPTION>
                                               Percentage of 
Stocks                    Industry             net assets 
- ------------------------------------------------------------
<S>                       <C>                      <C>
General Electric          Capital  Goods           3.2 
- ------------------------------------------------------------
Du Pont                   Chemicals                2.6 
- ------------------------------------------------------------
Johnson & Johnson         Drugs                    2.5 
- ------------------------------------------------------------
BankAmerica               Finance                  2.1 
- ------------------------------------------------------------
Gillette                  Consumer Goods           1.9 
- ------------------------------------------------------------
Boeing Co.                Aerospace                1.7 
- ------------------------------------------------------------
Beacon Properties         Real Estate              1.6 
- ------------------------------------------------------------
Monsanto                  Chemicals                1.6 
- ------------------------------------------------------------
Sonat                     Natural Gas              1.5 
- ------------------------------------------------------------
Atlantic Richfield        Oil                      1.2 
- ------------------------------------------------------------
</TABLE>

Top 5 Equity Industries 
as of December 31, 1996 

                     Percentage of 
Industry             net assets 
- ----------------------------------
Drugs                       8.0 
- ----------------------------------
Finance                     6.5 
- ----------------------------------
Oil                         6.2 
- ----------------------------------
Chemical                    5.5 
- ----------------------------------
Capital Goods               4.0 
- ----------------------------------


Q Did you continue to hold convertible securities in the portfolio? 

A On December 31, 1996, convertible securities accounted for 3.8% of the 
Fund's net assets. We emphasized convertible securities for their attractive 
yields and price appreciation potential. These securities are convertible 
into common stock at predetermined prices. As a result, their prices tend to 
rise along with increases in common stock prices. At the end of the period, 
KMart, a large retail department store, and Conseco, an insurance company, 
were among your Fund's convertible stock holdings. 

Q What was your strategy for investing in bonds? 

A We maintained our conservative approach and emphasized higher rated 
investment grade corporate bonds and U.S. Treasury securities. We lengthened 
the average maturity of the portfolio, as interest rates declined. This is 
because in a declining interest rate environment, bonds with longer term 
maturities tend to provide better price appreciation than those with shorter 
term maturities. 

Q Did you continue to invest in foreign bonds? 

A We reduced the Fund's exposure to foreign bonds. The Canadian, German, and 
Spanish government bonds in which we had invested earlier in the year were 
strong contributors to your Fund's return. As prices on these bonds rose, we 
believed they were approaching levels at which they were becoming overvalued, 
so we took profits. 

Q What is your outlook? 

A We expect the environment for stocks to remain healthy. We anticipate 
moderate economic growth and believe inflation and interest rates will remain 
at relatively low levels. We believe these factors, along with our 
expectations for positive earnings, should favor stocks. However, we believe 
that returns in 1997 may be less than those of 1996. We would not be 
surprised to see some short-term pullback in stock prices in the months 
ahead. Should a "correction" in the stock market occur, we would view it as a 
normal part of the investing cycle, and attempt to use such a downturn to our 
advantage. 

<PAGE> 

PAGE 6 
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Keystone Balanced Fund (K-1)


Your Fund's Performance 

[Mountain Chart]

Growth of an investment in
Keystone Balanced Fund (K-1)

          Initial             Reinvested
          Investment          Distributions
12/86     10,000              10,000
           9,227              10,370
12/88      9,654              11,567
          10,692              13,861
12/90      9,827              13,614
          11,569              16,881
12/92     11,188              17,472
          11,430              19,276
12/94     10,369              18,373
          12,584              23,358
12/96     13,645              27,051

A $10,000 investment in Keystone Balanced Fund (K-1) made on
December 31, 1996 with all distributions reinvested was worth $27,051 
on December 31, 1996. Past performance is no guarantee of future results.

Total Value: $27,051


Six-Month Performance as of December 31, 1996 
- ---------------------------------------------
<TABLE>
<S>                <C>          <C>
Total return*                    10.01% 
Net asset value     6/30/96     $11.33 
                   12/31/96     $11.83 
Dividends                       $ 0.15 
Capital gains                   $ 0.45 
</TABLE>
* Before deduction of contingent deferred sales charge (CDSC). 

Historical Record as of December 31, 1996 
- -----------------------------------------------
<TABLE>
<CAPTION>
                                 If you      If you did 
Cumulative total return         redeemed     not redeem 
<S>                              <C>           <C>
1-year                            12.81%        15.81% 
5-year                            60.24%        60.24% 
10-year                          170.51%       170.51% 
Average annual total return 
1-year                            12.81%        15.81% 
5-year                             9.89%         9.89% 
10-year                           10.46%        10.46% 
</TABLE>

The "If you redeemed" returns reflect the deduction of the 3% contingent 
deferred sales charge (CDSC) for those investors who bought and sold Fund 
shares after one calendar year. Investors who retained their fund investment 
earned the returns reported in the second column of the table. 

  The investment return and principal value will fluctuate so that your 
shares, when redeemed, may be worth more or less than the original cost. 

  Shareholders may exchange shares for another Keystone fund in writing or by 
calling Keystone's Automated Response Line (KARL). The Fund reserves the 
right to change or terminate the exchange offer. 

<PAGE> 

PAGE 7 
- ---------------------------

                                  Glossary of 
                              Mutual Fund Terms 

   MUTUAL FUND--A company which combines the investment money of many people 
whose financial goals are similar, and invests that money in a variety of 
securities. A mutual fund allows the smaller investor the benefits of 
diversification, professional management and constant supervision usually 
available only to large investors. 

  PORTFOLIO MANAGER--An investment professional who is responsible for 
managing a portfolio's assets prudently and making appropriate investment 
decisions, such as which securities to buy, hold and sell, based on the 
investment objectives of the portfolio. 

  STOCK--Equity or ownership interest in a corporation, which represents a 
claim on the corporation's assets and earnings. 

  BOND--Security issued by a government or corporation to those from whom it 
has borrowed money. A bond usually promises to pay interest income to the 
bondholder at regular intervals and to repay the entire amount borrowed at 
maturity date. 

  CONVERTIBLE SECURITY--A corporate security (usually preferred stock or 
bonds) that is exchangeable for a set number of another security type 
(usually common stocks) at a pre-stated price. 

  MONEY MARKET FUND--A mutual fund whose assets are invested in a diversified 
portfolio of short-term securities, including commercial paper, bankers' 
acceptances, certificates of deposit and other short-term instruments. The 
fund pays income which can fluctuate daily. Liquidity and safety of principal 
are primary objectives. 

  NET ASSET VALUE (NAV) PER SHARE--The value of one share of a mutual fund. 
The NAV per share is determined by subtracting a fund's total liabilities 
from its total assets, and dividing that amount by the number of fund shares 
outstanding. 

  DIVIDEND--A per share distribution of the income earned from the fund's 
portfolio holdings. When a dividend distribution is made, the fund's net 
asset value drops by the amount of the distribution because the distribution 
is no longer considered part of the fund's assets. 

  CAPITAL GAIN--The profit from the sale of securities, less any losses. 
Capital gains are paid to fund shareholders on a per share basis. When a 
capital gain distribution is made, the fund's net asset value drops by the 
amount of the distribution because the distribution is no longer considered 
part of the fund's assets. 

  YIELD--The annualized rate of income as measured against the current net 
asset value of fund shares. 

  TOTAL RETURN--The change in value of a fund investment over a specified 
period of time, taking into account the change in a fund's market price and 
the reinvestment of all fund distributions. 

  SHORT-TERM--An investment with a maturity of one year or less. 

  LONG-TERM--An investment with a maturity of greater than one year. 

  AVERAGE MATURITY--The average number of days until the notes, drafts, 
acceptances, bonds or other debt instruments in a portfolio become due and 
payable. 

  OFFERING PRICE--The offering price of a share of a mutual fund is the price 
at which the share is sold to the public. 

<PAGE> 

PAGE 8 
- ---------------------------
Keystone Balanced Fund (K-1)

SCHEDULE OF INVESTMENTS--December 31, 1996 
(Unaudited) 
<TABLE>
<CAPTION>
                                                       Market 
                                         Shares         Value 
- ------------------------------------   -------    -------------- 
<S>                                      <C>        <C>
COMMON STOCKS (60.0%) 
ADVERTISING & PUBLISHING (0.2%) 
Gannett, Inc.                             46,800    $  3,504,150 
- ------------------------------------   -------    -------------- 
AEROSPACE (2.3%) 
Boeing Co.                               250,000      26,593,750 
Honeywell, Inc.                           49,600       3,261,200 
Rockwell International Corp.              50,000       3,043,750 
United Technologies Corp.                 62,200       4,105,200 
- ------------------------------------   -------    -------------- 
                                                      37,003,900 
- ------------------------------------   -------    -------------- 
AUTOMOTIVE (1.3%) 
Chrysler Corp.                            55,560       1,833,480 
Ford Motor Co.                           220,000       7,012,500 
General Motors Corp.                     150,000       8,362,500 
Genuine Parts Co.                         62,025       2,760,113 
- ------------------------------------   -------    -------------- 
                                                      19,968,593 
- ------------------------------------   -------    -------------- 
CAPITAL GOODS (4.0%) 
Deere & Co.                               60,000       2,437,500 
Emerson Electric Co.                      54,000       5,224,500 
General Electric Co.                     503,000      49,734,125 
Ingersoll-Rand Co.                        50,500       2,247,250 
Johnson Controls, Inc.                    18,500       1,533,188 
Sundstrand Corp.                          34,000       1,445,000 
- ------------------------------------   -------    -------------- 
                                                      62,621,563 
- ------------------------------------   -------    -------------- 
CHEMICALS (5.5%) 
Air Products & Chemicals, Inc.            28,000       1,935,500 
Dow Chemical Co.                         133,200      10,439,550 
du Pont (E.I.) de Nemours & Co.          436,000      41,147,500 
Hercules, Inc.                            39,000       1,686,750 
Monsanto Co.                             627,000      24,374,625 
PPG Industries, Inc.                     136,000       7,633,000 
- ------------------------------------   -------    -------------- 
                                                      87,216,925 
- ------------------------------------   -------    -------------- 
CONSUMER GOODS (3.3%) 
Avon Products, Inc.                       32,600       1,862,275 
Eastman Kodak Co.                         78,500       6,299,625 
Gillette Co.                             375,000      29,156,250 
International Flavors & Fragrances, 
Inc.                                      48,000       2,160,000 
Procter & Gamble Co.                     110,000      11,825,000 
CONSUMER GOODS--CONTINUED 
Whirlpool Corp.                           29,800    $  1,389,425 
- ------------------------------------   -------    -------------- 
                                                      52,692,575 
- ------------------------------------   -------    -------------- 
DIVERSIFIED COMPANIES (1.9%) 
Alco Standard Corp.                      348,028      17,966,946 
Allied-Signal, Inc.                       71,300       4,777,100 
Minnesota Mining & Manufacturing Co.      80,000       6,630,000 
                                                      29,374,046 
- ------------------------------------   -------    -------------- 
DRUGS (8.0%) 
American Home Products Corp.             300,000      17,587,500 
Baxter International, Inc.                47,400       1,943,400 
Bristol-Myers Squibb Co.                  55,000       5,981,250 
Guidant Corp.                            100,032       5,701,824 
Johnson & Johnson                        785,400      39,073,650 
Lilly (Eli) & Co.                         87,626       6,396,698 
Merck & Co.                              213,000      16,880,250 
Pfizer, Inc.                             145,200      12,033,450 
Rhone Poulenc Rorer, Inc.                 34,700       2,710,938 
Schering-Plough Corp.                    102,400       6,630,400 
SmithKline Beecham PLC, ADR               57,200       3,889,600 
Warner-Lambert Co.                        84,000       6,300,000 
- ------------------------------------   -------    -------------- 
                                                     125,128,960 
- ------------------------------------   -------    -------------- 
ELECTRONICS PRODUCTS (0.2%) 
AMP, Inc.                                 50,000       1,918,750 
Thomas & Betts Corp.                      40,000       1,775,000 
- ------------------------------------   -------    -------------- 
                                                       3,693,750 
- ------------------------------------   -------    -------------- 
FINANCE (6.5%) 
Associates First Capital Corp., 
Class A                                  125,000       5,515,625 
Bank of Boston Corp.                     250,000      16,062,500 
BankAmerica Corp.                        336,960      33,611,760 
Chase Manhattan Corp.                    157,738      14,078,117 
Federal Home Loan Mortgage Corp.         103,600      11,408,950 
Federal National Mortgage 
Association                              200,000       7,450,000 
Merrill Lynch & Co., Inc.                 42,000       3,423,000 
Morgan (J.P.) & Co., Inc.                 42,000       4,100,250 

<PAGE> 

PAGE 9 
- ---------------------------

SCHEDULE OF INVESTMENTS--December 31, 1996
(Unaudited)

FINANCE--CONTINUED 
Wells Fargo & Co.                         24,200    $  6,527,950 
- ------------------------------------   -------    -------------- 
                                                     102,178,152 
- ------------------------------------   -------    -------------- 
FOODS (3.5%) 
Anheuser-Busch Cos., Inc.                324,000      12,960,000 
CPC International, Inc.                   46,800       3,627,000 
General Mills, Inc.                       30,000       1,901,250 
Heinz (H.J.) Co.                          79,200       2,831,400 
Kellogg Co.                               44,000       2,887,500 
Nabisco Holdings Corp., Class A           70,000       2,721,250 
Philip Morris Cos., Inc.                 113,100      12,737,888 
Pioneer Hi Bred Intl.                    150,000      10,500,000 
Sara Lee Corp.                            86,000       3,203,500 
UST, Inc.                                 46,200       1,495,725 
- ------------------------------------   -------    -------------- 
                                                      54,865,513 
- ------------------------------------   -------    -------------- 
INSURANCE (1.5%) 
Aetna Life & Casualty Co.                 30,000       2,400,000 
Allstate Corp.                            64,892       3,755,625 
Travelers / Aetna Property Casualty 
Corp., Class A                           100,000       3,537,500 
CIGNA Corp.                               20,000       2,732,500 
GCR Holdings, Ltd.                        58,400       1,295,750 
General Reinsurance Corp.                 15,000       2,366,250 
PMI Group                                 53,600       2,968,100 
SAFECO Corp.                              68,200       2,689,638 
St. Paul Cos., Inc.                       40,000       2,345,000 
- ------------------------------------   -------    -------------- 
                                                      24,090,363 
- ------------------------------------   -------    -------------- 
METALS & MINING (0.4%) 
Aluminum Co. of America                   40,000       2,550,000 
Freeport-McMoRan Copper & Gold, 
Class B                                   56,138       1,677,123 
Phelps Dodge Corp.                        22,000       1,485,000 
Reynolds Metals Co.                       24,400       1,375,550 
- ------------------------------------   -------    -------------- 
                                                       7,087,673 
- ------------------------------------   -------    -------------- 
NATURAL GAS (1.8%) 
Enron Corp.                              101,500       2,740,500 
Enron Global Power & Pipelines LLC        54,000       2,328,750 
NATURAL GAS--CONTINUED 
Sonat, Inc.                              455,000    $ 23,432,500 
- ------------------------------------   -------    -------------- 
                                                      28,501,750 
- ------------------------------------   -------    -------------- 
OFFICE & BUSINESS EQUIPMENT (1.9%) 
Hewlett Packard Co.                      200,000      10,050,000 
International Business Machines          111,000      16,761,000 
Xerox Corp.                               62,769       3,303,219 
- ------------------------------------   -------    -------------- 
                                                      30,114,219 
- ------------------------------------   -------    -------------- 
OIL (6.2%) 
Amoco Corp.                               96,600       7,776,300 
Atlantic Richfield Co.                   144,500      19,146,250 
Chevron Corp.                            263,600      17,134,000 
Exxon Corp.                               63,500       6,223,000 
Mobil Corp.                              155,400      18,997,650 
Occidental Petroleum Corp.               157,000       3,669,875 
Royal Dutch Petroleum Co.                 70,100      11,969,575 
Unocal Corp.                             294,400      11,960,000 
- ------------------------------------   -------    -------------- 
                                                      96,876,650 
- ------------------------------------   -------    -------------- 
OIL SERVICES (0.4%) 
Halliburton Co.                           45,200       2,723,300 
Schlumberger, Ltd.                        31,100       3,106,113 
- ------------------------------------   -------    -------------- 
                                                       5,829,413 
- ------------------------------------   -------    -------------- 
PAPER & PACKAGING (1.7%) 
Georgia-Pacific Corp.                     30,800       2,217,600 
International Paper Co.                   57,000       2,301,375 
Kimberly-Clark Corp.                      34,800       3,314,700 
Union Camp Corp.                          25,500       1,217,625 
Weyerhaeuser Co.                         370,350      17,545,331 
- ------------------------------------   -------    -------------- 
                                                      26,596,631 
- ------------------------------------   -------    -------------- 
REAL ESTATE (3.2%) 
Arden Realty Inc. (R.E.I.T.)             119,500       3,316,125 
Beacon Properties (R.E.I.T.)             700,000      25,637,500 
First Industrial Realty Trust, Inc. 
(R.E.I.T.)                                70,000       2,126,250 
Patriot American Hospitality, Inc. 
(R.E.I.T.)                               100,000       4,312,500 
Prentiss Property Trust (R.E.I.T.)        50,000       1,250,000 
Rouse Co.                                294,112       9,338,056 

(continued on next page) 

<PAGE> 

PAGE 10 
- ---------------------------
Keystone Balanced Fund (K-1)

SCHEDULE OF INVESTMENTS-December 31, 1966 
(Unaudited) 

Real Estate--continued 
Spieker Properties, Inc. (R.E.I.T.)      100,000    $  3,600,000 
- ------------------------------------   -------    -------------- 
                                                      49,580,431 
- ------------------------------------   -------    -------------- 
RETAIL (0.4%) 
May Department Stores Co.                 60,000       2,805,000 
Sears, Roebuck and Co.                    70,000       3,228,750 
- ------------------------------------   -------    -------------- 
                                                       6,033,750 
- ------------------------------------   -------    -------------- 

TELECOMMUNICATIONS (3.2%) 
Ameritech Corp.                          124,000       7,517,500 
Bell Atlantic Corp.                       90,000       5,827,500 
Deutsche Telekom AG                       30,300         617,363 
GTE Corp.                                162,000       7,371,000 
Lucent Technologies, Inc.                192,124       8,885,743 
Northern Telecom Ltd.                    200,000      12,375,000 
NYNEX Corp.                               88,088       4,239,235 
Sprint Corp.                              75,480       3,009,765 
- ------------------------------------   -------    -------------- 
                                                      49,843,106 
- ------------------------------------   -------    -------------- 
TRANSPORTATION (1.5%) 
Conrail, Inc.                             22,964       2,287,789 
Norfolk Southern Corp.                   190,000      16,625,000 
Union Pacific Corp.                       46,800       2,813,850 
Union Pacific Research Group              39,637       1,159,382 
- ------------------------------------   -------    -------------- 
                                                      22,886,021 
- ------------------------------------   -------    -------------- 
UTILITIES (1.1%) 
American Electric Power Co., Inc.         39,500       1,624,438 
Central & South West Corp.                40,600       1,040,375 
UTILITIES--CONTINUED 
Consolidated Edison Co. of New York, 
Inc.                                      74,000    $  2,164,500 
Dominion Resources, Inc.                  31,050       1,195,425 
Duke Power Co.                            42,000       1,942,500 
Echelon Intl Corp.                         4,760          74,375 
FPL Group Inc.                            27,000       1,242,000 
Florida Progress Corp.                    71,400       2,302,650 
Houston Industries, Inc.                  86,800       1,963,850 
Public Service Enterprise Group, 
Inc.                                      54,969       1,497,905 
Texas Utilities Co.                       44,105       1,797,279 
- ------------------------------------   -------    -------------- 
                                                      16,845,297 
- ------------------------------------   -------    -------------- 
TOTAL COMMON STOCKS 
(COST--$503,862,989)                                 942,533,431 
- ------------------------------------   -------    -------------- 
CONVERTIBLE/PREFERRED STOCKS (1.9%) 
Alco Standard Corp.                       55,000       5,252,500 
Allstate Corp.                            64,200       3,033,450 
Conseco, Inc.                             63,500       7,223,125 
Fuji International Finance, Bermuda 
Trust, ADR                                   110       3,400,612 
Kmart Financing                           45,000       2,193,750 
SunAmerica, Inc.                         200,000       8,450,000 
- ------------------------------------   -------    -------------- 
TOTAL CONVERTIBLE/PREFERRED STOCKS 
(COST--$28,027,780)                                   29,553,437 
- -----------------------------------------------   -------------- 
</TABLE>

<PAGE> 

PAGE 11 
- -----------------------

SCHEDULE OF INVESTMENTS--December 31, 1996
(Unaudited)

<TABLE>
<CAPTION>
                                                               Interest  Maturity       Par            Market 
                                                                 Rate       Date       Value           Value 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
<S>                                <C>                         <C>        <C>       <C>            <C>
FIXED INCOME (34.1%) 
CONVERTIBLE BONDS & NOTES (1.9%) 
ELECTRONICS (0.2%) 
Solectron Corp. (b)                                              6.00%      2006    $ 3,000,000     $ 3,232,500 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
INSURANCE (1.1%) 
Berkshire Hathaway, Inc.                                         1.00       2001      1,000,000         928,750 
Equitable Companies, Inc.                                        6.13       2024     14,400,000      16,542,000 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
                                                                                                     17,470,750 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
OFFICE & BUSINESS EQUIPMENT (0.3%) 
Staples, Inc. (b)                                                4.50       2000      5,250,000       5,407,500 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
RETAIL (0.1%) 
Saks Holdings, Inc.                                              5.50       2006      1,400,000       1,286,250 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
SERVICES (0.2%) 
US Filter Corp. (b)                                              6.00       2005      2,000,000       3,547,500 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
TOTAL CONVERTIBLE BONDS & NOTES (COST--$26,957,780)                                                  30,944,500 
- ---------------------------------------------------------------------------------     ----------   -------------- 
INDUSTRIAL BONDS & NOTES (4.8%) 
AEROSPACE (0.4%) 
Boeing Co.                                                       7.88       2043      3,000,000       3,221,670 
Simon Debartolo Group, LP                                        6.88       2006      3,500,000       3,449,600 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
                                                                                                      6,671,270 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
AMUSEMENTS (0.2%) 
Mattel, Inc.                                                     6.75       2000      3,000,000       2,952,390 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
AUTOMOTIVE (0.3%) 
Ford Motors Credit                                               6.90       2000      4,750,000       4,810,658 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
CONSUMER GOODS (0.4%) 
Conagra Inc.                                                     7.13       2026      6,605,000       6,749,385 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
DRUGS (0.2%) 
Apache Corp.                                                     7.63       2096      3,000,000       2,988,480 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
OIL (0.7%) 
Oslo Seismic                                                     8.28       2011      5,395,443       5,577,324 
Occidental Petroleum Corp.                                      10.13       2009      4,300,000       5,296,482 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
                                                                                                     10,873,806 
                                                                                                   --------------

                                                                                            (continued on next page)

<PAGE> 

PAGE 12 
- -----------------------
Keystone Balanced Fund (K-1)

SCHEDULE OF INVESTMENTS--December 31, 1996
(Unaudited)

 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
INDUSTRIAL BONDS & NOTES -- CONTINUED 
 TELECOMMUNICATIONS (1.5%) 
Ambac Inc.                                                       9.38%      2035     $8,000,000     $ 9,598,880 
GTE Corp.                                                        8.75       2021      7,000,000       8,190,000 
Michigan Bell Telephone Co.                                      5.88       1999      5,750,000       5,689,108 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
                                                                                                     23,477,988 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
 TRANSPORTATION (0.2%) 
Golden St. Pete Transportation 
Corp.                                                            8.04       2011      3,000,000       3,007,500 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
 UTILITIES (0.9%) 
Citizens Utilities Co.                                           7.05       2046      4,000,000       3,846,400 
Georgia Power Co.                                                6.13       1999      5,000,000       4,971,900 
Rural Electric Coop.                                             8.67       2018      4,000,000       4,378,480 
System Energy Resources, Inc.                                   11.38       2016        568,000         606,641 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
                                                                                                     13,803,421 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
TOTAL INDUSTRIAL BONDS & NOTES (COST--$75,101,137)                                                   75,334,898 
 -----------------------------------------------------------   -------    -------     ----------   -------------- 
BANK & FINANCE BONDS & NOTES (6.7%) 
1995 D Auto Receivables                                          6.40       2003      3,000,000       2,995,418 
Amsouth Bancorp                                                  6.75       2025      4,500,000       4,434,390 
Asset Securitization Corp.                                       7.53       2026      3,300,000       3,400,547 
Associates Corp. of North 
America                                                          8.63       2004      6,550,000       7,254,780 
CCC Potable Asset                                                6.45       1999      5,250,000       5,256,825 
Capital One Bank                                                 6.73       1998      5,000,000       5,027,900 
CIT Group Holdings                                               9.25       2001      4,500,000       4,967,325 
Fleet Mortgage Group, Inc.                                       6.50       2000      5,050,000       5,035,406 
Ford Credit Auto Owner Trust                                     6.30       2001      5,400,000       5,421,546 
General Electric Capital Corp.                                   7.50       2035      6,500,000       6,749,665 
Grand Met Investment Corp.                                       0.00       2004      3,000,000       1,851,840 
Green Tree Financial Corp.                                       6.25       2019      5,000,000       4,987,500 
Lehman Brothers Holdings, Inc.                                   8.05       2015      5,000,000       5,223,150 
Lumbermans Mutual Co. (b)                                        9.15       2026      3,000,000       3,256,980 
Merrill Lynch Mortgage 
Investors, Inc.                                                  6.96       2028      2,299,000       2,272,418 
Morgan Stanley Capital, Inc. 
(b)                                                              6.59       2028      2,000,000       1,939,375 
Olympic Automobile Receivables 
Trust                                                            6.80       2004      5,000,000       5,069,500 
Paine Webber Group, Inc.                                         7.49       2004      6,750,000       6,797,250 
Phoenix Home Life Insurance 
(b)                                                              6.95       2006      3,000,000       2,939,430 
Smith Barney Holdings, Inc.                                      7.13       2006      7,000,000       6,995,450 
Sun Canada Financial Co.                                         6.63       2007      4,500,000       4,315,230 
Travelers Cap. II                                                7.63       2036      3,500,000       3,437,630 

<PAGE> 

PAGE 13 
- -----------------------

SCHEDULE OF INVESTMENTS--Decemer 31, 1996
(Unaudited)

BANK & FINANCE BONDS & NOTES -- Continued 
US West Capital Funding, Inc.                                    6.75%      2005     $2,750,000     $  2,676,933 
World Financial Properties 
Tower D Financial (b)                                            6.95       2013      3,000,000        2,973,750 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
TOTAL BANK & FINANCE BONDS & NOTES (COST--$105,507,177)                                              105,280,238 
- ----------------------------------------------------------------------    -------     ----------   -------------- 
COLLATERALIZED MORTGAGE OBLIGATIONS (7.6%)(C) 
Bankamerica Institutional Cap. (b) Series A                      6.59       2028      2,000,000        3,047,730 
BT Institutional Cap. Trust (b)    Series B                      8.07       2026      7,000,000        6,679,400 
Contimortgage Home Equity Loan 
(Est. Mat. 1998)                   Series 1995 4 Class A4        6.88       2028      2,500,000        2,465,625 
CoreStates Home Equity Trust 
(Est. Mat. 2008)                   Series 1996 1 Class A4        7.00       2012      6,150,000        6,101,953 
Criimi Mae Financial Corp. 
(Est. Mat. 2006)                   Series 1A                     7.00       2033      1,852,183        1,796,329 
CWMBS, Inc.                        Series 1996 Class A3          7.75       2026      3,850,000        3,889,402 
FHLMC                               Comm. Mtg.                   8.50       2021      4,148,000        4,391,915 
FNMA (Est. Mat. 2006)               Remic Trust 1993 38L         5.00       2022      2,500,000        2,108,575 
                                    Remic Trust 1992 181 Cl.    
FNMA (Est Mat. 2002)                    P                        6.50       2021      6,000,000        5,769,360 
                                    Remic Trust 1993 156 Cl.    
FNMA (Est. Mat. 2001)                   B                        6.50       2018      5,000,000        4,767,150 
FNMA Pool (Est. Mat. 2006)                                       6.50       2020      9,000,000        8,945,156 
FHLMC Pool (Est. Mat. 2001)                                      7.80       2016      5,000,000        5,189,850 
FHLMC (Est. Mat. 2001)             Series 1996 Class A           6.00       2004      6,500,000        6,274,531 
GS Mortgage Security Corp.         Series 1996 Class A2          7.40       2027      4,450,000        4,414,539 
KS Mortgage Capital, L.P. 
(Est. Mat. 1998) (b)               Series 1995 Class A1          7.04       2002      2,848,382        2,865,294 
Merrill Lynch Mortgage 
Investors, Inc. (Est. Mat. 
2001)                              Series 92B Class B            8.50       2012      1,961,545        2,019,156 
Merrill Lynch Mortgage 
Investors, Inc. (Est. Mat. 
2004)                              Series 92D Class B            8.50       2017      2,298,208        2,410,544 
Merrill Lynch Mortgage 
Investors, Inc. (Est. Mat. 
2004)                              Series 91D Class B            9.85       2011      5,000,000        5,279,650 
ML Trust XXXV                       Class G                      8.45       2018      5,870,000        6,229,538 
Paine Webber Mortgage 
Acceptance Corp. IV (Est. Mat. 
1999)                              Series 1993 5 Class A3        6.88       2008      1,302,399        1,303,213 
Residential Accredit, Inc.         Series 1996 Class A           7.90       2026      6,538,000        6,717,795 
Ryland Acceptance Corp. 
(Est. Mat. 2004)                   Series 88 E                   7.95       2019      6,565,578        6,637,340 
Southern Pacific Secured 
Assets Corp.                       Series 1996                   7.60       2027      7,500,000        7,621,875 
Structured Asset Securities 
Corp.                              Series 1996 Class B           6.30       2028      2,464,375        2,390,059 
University Support Services, 
Inc. (Est. Mat. 2003)              Series 1992 Class D           9.07       2007      1,385,000        1,387,597 
Vests Insurance Group, Inc.          Deb.                        8.75       2025      3,000,000        3,235,740 

<PAGE> 

PAGE 14 
- -----------------------
Keystone Balanced Fund (K-1)

SCHEDULE OF INVESTMENTS--December 31, 1996
(Unaudited)

- ----------------------------------------------------------------------    -------     ----------   -------------- 
COLLATERALIZED MORTGAGE OBLIGATIONS -- Continued 
World Omni Automobile Lease 
Trust                                 Series 1996 Class A3       6.25%      2002    $ 5,150,000     $  5,141,915 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
TOTAL COLLATERALIZED MORTGAGE OBLIGATIONS (Cost--$117,869,440)                                       119,081,231 
- ----------------------------------------------------------------------    -------     ----------   -------------- 
FOREIGN BONDS & NOTES (U.S. DOLLARS) (0.3%) 
Bayer Corp (b)                                                   7.13       2015      5,000,000        4,885,600 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
TOTAL FOREIGN BONDS & NOTES (U.S. DOLLARS) (Cost--$5,164,250)                                          4,885,600 
- -----------------------------------------------------------------------------------------------    -------------- 
FOREIGN BONDS & NOTES (NON U.S. DOLLARS) (1.6%) 
Germany (Republic of)                                            6.88       2008     21,850,000       15,288,468 
Germany (Republic of)                                            6.50       2003     14,880,000       10,282,943 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
TOTAL FOREIGN BONDS & NOTES (NON-U.S. DOLLAR) (Cost--$25,312,308)                                     25,571,411 
- ---------------------------------------------------------------------------------     ----------   -------------- 
MORTGAGE PASS-THROUGH CERTIFICATES (5.7%)(c) 
FHLMC Pool #607352 (Est. Mat. 1999)                              7.68       2022         12,099           12,628 
FHLMC Pool #846298 (Est. Mat. 1999)                              7.20       2022         20,593           21,265 
FNMA Pool #050973 (Est. Mat. 2001)                               6.00       2009      3,807,320        3,696,070 
FNMA Pool #050986 (Est. Mat. 2001)                               6.00       2009      3,093,638        3,003,242 
FNMA Pool #190911 (Est. Mat. 2001)                               6.00       2009      5,942,734        5,769,087 
FNMA Pool #250008 (Est. Mat. 2001)                               6.00       2009      2,026,754        1,966,580 
FNMA Pool #283580 (Est. Mat. 2004)                               7.00       2024      6,532,999        6,414,556 
FNMA Pool #283689 (Est. Mat. 2004)                               7.00       2024      2,812,502        2,761,511 
FNMA Pool #284365 (Est. Mat. 2004)                               7.00       2024      3,554,837        3,490,388 
FNMA Pool #284376 (Est. Mat. 2004)                               7.00       2024      6,053,882        5,944,125 
FNMA Pool #303119 (Est. Mat. 2001)                               6.00       2009      4,469,952        4,337,239 
FNMA Pool #303664 (Est. Mat. 2001)                               6.50       2008     27,937,410       27,618,644 
FNMA Pool #338877 (Est. Mat. 2002)                               6.50       2011      5,100,000        4,744,569 
GNMA Pool #429399 (Est. Mat. 2007)                               6.50       2026      5,517,805        5,262,606 
GNMA Pool #352906 (Est. Mat. 2006)                               7.00       2024        306,386          300,448 
GNMA Pool #405576 (Est. Mat. 2007)                               6.50       2026      4,807,249        4,584,914 
GNMA Pool #414739 (Est. Mat. 2007)                               6.50       2025        154,990          147,967 
GNMA Pool #418360 (Est. Mat. 2007)                               7.00       2025      6,356,547        6,221,470 
GNMA Pool #415807 (Est. Mat. 2007)                               7.00       2025      1,343,105        1,314,564 
GNMA Pool #423413 (Est. Mat. 2007)                               7.00       2026      1,742,421        1,705,395 
 -----------------------------------------------------------   -------    -------     ----------   -------------- 
TOTAL MORTGAGE PASS-THROUGH CERTIFICATES (Cost--$88,846,888)                                          89,317,268 
- ---------------------------------------------------------------------------------     ----------   -------------- 
UNITED STATES GOVERNMENT (AND AGENCY) ISSUES (5.5%) 
U.S. Treasury Notes                                              5.88       1998     18,500,000       18,497,040 
U.S. Treasury Notes                                              7.75       2000     20,000,000       20,928,200 
U.S. Treasury Notes                                              7.50       2002      5,000,000        5,286,700 
U.S. Treasury Notes                                              6.50       2006     13,250,000       13,322,478 
U.S. Treasury Notes                                              6.13       1998      7,400,000        7,432,330 
U.S. Treasury Notes                                              6.38       2001      6,500,000        6,538,610 
U.S. Treasury Bonds                                              6.50       2026      4,250,000        4,170,993 

<PAGE> 

PAGE 15 
- -----------------------

SCHEDULE OF INVESTMENTS--December 31, 1996
(Unaudited)

- ---------------------------------------------------------------------------------     ----------   -------------- 
UNITED STATES GOVERNMENT (AND AGENCY) ISSUES -- Continued 
U.S. Treasury Bonds                                              7.88%      2021     $8,850,000     $ 10,003,244 
 ------------------------------    -------------------------   -------    -------     ----------   -------------- 
TOTAL UNITED STATES GOVERNMENT (AND AGENCY) ISSUES (Cost--$87,005,937)                                86,179,595 
- ---------------------------------------------------------------------------------     ----------   -------------- 
TOTAL FIXED INCOME (Cost--$531,764,917)                                                              536,594,741 
- ---------------------------------------------------------------------------------     ----------   -------------- 
</TABLE>

<TABLE>
<CAPTION>
                                                            Maturity 
                                                             Value 
- ------------     ----------    ----------    ----------    ------------   ------------ 
<S>                                                        <C>            <C>
SHORT-TERM INVESTMENTS (2.7%) 
Investments in repurchase agreements, in a joint trading account, purchased 
  12/31/96, 6.716%, maturing 1/2/97 (Cost $41,820,000)(a)   41,835,605     41,820,000 
- ----------------------------------------     ----------    ------------   ------------ 
</TABLE>

<TABLE>
<S>                                                                                     <C>
TOTAL SHORT-TERM INVESTMENTS (Cost--$41,820,000)                                            41,820,000 
- ------------------------------------------------------------------------------------     --------------- 
TOTAL INVESTMENTS (Cost--$1,105,475,686)                                                 1,550,501,609 
- ------------------------------------------------------------------------------------     --------------- 
OTHER ASSETS AND LIABILITIES--NET (1.3%)                                                    20,290,970 
- ------------------------------------------------------------------------------------     --------------- 
NET ASSETS (100.0%)                                                                     $1,570,792,579 
- ------------------------------------------------------------------------------------     --------------- 
</TABLE>

   (a) The repurchase agreements are fully collateralized by U. S. government 
       and/or agency obligations based on market prices at December 31, 1996. 

   (b) Securities that may be resold to "qualified institutional buyers" 
       under Rule 144A of the Securities Act of 1933. These securities have 
       been determined to be liquid under guidelines established by the Board 
       of Trustees. 

   (c) The estimated maturity of a mortgage obligation is based on current 
       and projected prepayment rates. Changes in interest rates can cause 
       the estimated maturity to differ from the maturity date disclosed at 
       the time of purchase. 
Legend of Portfolio Abbreviations 

   FHLMC--Federal Home Loan Mortgage Corporation 

   FNMA--Federal National Mortgage Association 

   GNMA--Government National Mortgage Association 

   ADR--American Depository Receipt 

   R.E.I.T.--Real Estate Investment Trust 

See Notes to Financial Statements.

<PAGE> 

PAGE 16 
- -----------------------
Keystone Balanced Fund (K-1)

FINANCIAL HIGHLIGHTS 
(For a share outstanding throughout each period)
<TABLE>
<CAPTION>
                             Six Months 
                               Ended                                 Year Ended June 30, 
                                             ------------------------------------------------------------------- 
                            December 31, 
                                1996            1996          1995          1994          1993           1992 
- ----------------------     ---------------    ----------    ----------    ----------    ----------   ----------- 
                            (Unaudited) 
<S>                          <C>             <C>           <C>           <C>           <C>            <C>        
Net asset value 
beginning of period          $    11.33      $    10.09    $     9.26    $    10.10    $     9.77     $     9.16 
- ----------------------     ---------------    ----------    ----------    ----------    ----------   ----------- 
Income from investment operations 
Net investment income              0.15            0.29          0.31          0.28          0.31           0.32 
Net realized and 
unrealized gain (loss) 
on investments and 
foreign currency 
related transactions               0.95            1.42          0.96         (0.37)         0.66           0.75 
- ----------------------     ---------------    ----------    ----------    ----------    ----------   ----------- 
Total from investment 
operations                         1.10            1.71          1.27         (0.09)         0.97           1.07 
- ----------------------     ---------------    ----------    ----------    ----------    ----------   ----------- 
Less distributions from 
Net investment income             (0.15)          (0.24)        (0.31)        (0.28)        (0.31)         (0.32) 
In excess of net 
investment income                  0.00           (0.03)        (0.02)        (0.07)        (0.09)         (0.14) 
Net realized gain on 
investments                       (0.45)          (0.20)        (0.02)        (0.25)        (0.24)          0.00 
In excess of net 
realized gain on 
investments                        0.00            0.00         (0.09)        (0.13)         0.00           0.00 
Tax basis return of 
capital                            0.00            0.00          0.00         (0.02)         0.00           0.00 
- ----------------------     ---------------    ----------    ----------    ----------    ----------   ----------- 
Total distributions               (0.60)          (0.47)        (0.44)        (0.75)        (0.64)         (0.46) 
- ----------------------     ---------------    ----------    ----------    ----------    ----------   ----------- 
Net asset value end of 
period                       $    11.83      $    11.33    $    10.09    $     9.26    $    10.10     $     9.77 
- ----------------------     ---------------    ----------    ----------    ----------    ----------   ----------- 
Total return (a)                  10.01%          17.35%        14.20%        (1.16%)       10.39%         11.86% 
Ratios/supplemental 
data 
Ratios to average net 
assets: 
 Total expenses (b)                1.71%(c)        1.72%         1.77%         1.71%         1.93%          1.97% 
 Net investment income             2.54%(c)        2.71%         3.33%         2.81%         3.07%          3.25% 
Portfolio turnover 
rate                                 51%             96%           88%           88%           74%            52% 
Average commissions 
rate paid                    $   0.0594      $   0.0031           N/A           N/A           N/A            N/A 
- ----------------------     ---------------    ----------    ----------    ----------    ----------   ----------- 
Net assets end of 
period (thousands)           $1,570,793      $1,481,177    $1,344,880    $1,389,810    $1,464,066     $1,184,094 
- ----------------------     ---------------    ----------    ----------    ----------    ----------   ----------- 
</TABLE>
(a) Excluding applicable sales charges. 

(b) The expense ratios include indirectly paid expenses. Excluding 
    indirectly paid expenses, the expense ratio would have been 1.70% and 
    1.71% for the six months ended December 31, 1996 and the year ended 
    June 30, 1996. 

(c) Annualized 

See Notes to Financial Statements. 

<PAGE> 

PAGE 17 
- -----------------------

   
STATEMENT OF ASSETS AND LIABILITIES 
December 31, 1996 
(Unaudited) 
    

<TABLE>
 --------------------------------------------------   -------------- 
<S>                                                    <C>
Assets 
Investments at market value 
 (identified cost--$1,105,475,686)                     $1,550,501,609 
Cash                                                           26,924 
Receivable for: 
 Investments sold                                          10,295,390 
 Unrealized appreciation on forward foreign 
  currency exchange contracts                               1,147,765 
 Fund shares sold                                           1,422,374 
 Dividends and interest                                     8,823,430 
Prepaid expenses and other assets                              87,036 
 --------------------------------------------------   -------------- 
  Total assets                                          1,572,304,528 
 --------------------------------------------------   -------------- 
Liabilities 
Payable for: 
 Unrealized depreciation on forward foreign 
  currency exchange contracts                                  20,631 
 Fund shares redeemed                                         484,959 
Other accrued expenses                                      1,006,359 
 --------------------------------------------------   -------------- 
  Total liabilities                                         1,511,949 
 --------------------------------------------------   -------------- 
Net assets                                             $1,570,792,579 
 --------------------------------------------------   -------------- 
Net assets represented by (Note 2) 
Paid-in-capital                                        $1,102,723,817 
Accumulated undistributed net investment income               149,624 
Accumulated net realized gain on investments and 
 foreign currency related transactions                     21,766,080 
Net unrealized appreciation on investments and 
 foreign currency exchange contracts                      446,153,058 
 --------------------------------------------------   -------------- 
  Total net assets                                     $1,570,792,579 
 --------------------------------------------------   -------------- 
Net asset value 
Net assets of $1,570,792,579 / 132,794,134 
 shares outstanding                                            $11.83 
 --------------------------------------------------   -------------- 

</TABLE>

STATEMENT OF OPERATIONS 
Six Months Ended December 31, 1996 
(Unaudited)

<TABLE>
<S>                                       <C>            <C>
Investment income 
Dividends (net of foreign  withholding 
tax of $33,651)                                          $ 12,630,797 
Interest                                                   19,576,510 
- ---------------------------------------    ----------   ------------- 
 Total income                                              32,207,307 
- ---------------------------------------    ----------   ------------- 
Expenses (Notes 4 and 5) 
Management fee                            $ 3,404,763 
Shareholder services                        1,507,481 
Accounting                                     13,981 
Auditing and legal                             31,656 
Custodian fees                                290,815 
Printing                                       12,590 
Distribution Plan expenses                  7,623,746 
Trustees' fees and expenses                    23,173 
Registration fees                              27,081 
Miscellaneous expenses                         59,076 
- ---------------------------------------    ----------   ------------- 
 Total expenses                            12,994,362 
 Less: Expenses paid indirectly
  (Note 6)                                    (75,317) 
- ---------------------------------------    ----------   ------------- 
Net expenses                                               12,919,045 
- ---------------------------------------    ----------   ------------- 
Net investment income                                      19,288,262 
- ---------------------------------------    ----------   ------------- 
Net realized and unrealized gain 
 (loss) on investments and foreign 
 currency related transactions (Note 3) 
Net realized gain on investments           47,565,387 
Net realized loss on foreign currency 
 related transactions                        (262,421) 
- ---------------------------------------    ----------   ------------- 
Net realized gain on investments and 
 foreign currency related  transactions                    47,302,966 
- ---------------------------------------    ----------   ------------- 
Net change in unrealized  appreciation 
on investments and  foreign currency 
related  transactions                                      76,588,136 
- ---------------------------------------    ----------   ------------- 
Net realized and unrealized gain on 
 investments and foreign currency 
 related transactions                                     123,891,102 
- ---------------------------------------    ----------   ------------- 
Net increase in net assets resulting  from operations    $143,179,364 
- -----------------------------------------------------   ------------- 
</TABLE>
See Notes to Financial Statements. 

<PAGE> 

PAGE 18 
- -----------------------
Keystone Balanced Fund (K-1)

STATEMENTS OF CHANGES IN NET ASSETS 
<TABLE>
<CAPTION>
                                                                               Six Months 
                                                                                 Ended 
                                                                              December 31,        Year Ended 
                                                                                  1996          June 30, 1996 
========================================================================     ===============    =============== 
                                                                              (Unaudited) 
<S>                                                                          <C>                <C>
Operations 
Net investment income                                                        $   19,288,262     $   38,649,314 
Net realized gain on investments and foreign currency related 
transactions                                                                     47,302,966         54,917,152 
Net change in unrealized appreciation on investments and foreign 
currency related transactions                                                    76,588,136        132,899,484 
- ------------------------------------------------------------------------     ---------------    --------------- 
  Net increase in net assets resulting from operations                          143,179,364        226,465,950 
- ------------------------------------------------------------------------     ---------------    --------------- 
Distributions to shareholders from 
Net investment income                                                           (19,276,723)       (38,649,314) 
In excess of net investment income                                                        0         (4,413,251) 
Net realized gain on investment transactions                                    (57,569,916)       (18,717,526) 
- ------------------------------------------------------------------------     ---------------    --------------- 
  Total distributions to shareholders                                           (76,846,639)       (61,780,091) 
- ------------------------------------------------------------------------     ---------------    --------------- 
Capital share transactions 
Proceeds from shares sold                                                       112,675,090        227,626,268 
Payments for shares redeemed                                                   (157,504,662)      (308,498,436) 
Net asset value of shares issued in reinvestment of distributions                68,112,390         52,483,524 
- ------------------------------------------------------------------------     ---------------    --------------- 
 Net increase (decrease) in net assets resulting from capital share 
 transactions                                                                    23,282,818        (28,388,644) 
- ------------------------------------------------------------------------     ---------------    --------------- 
  Total increase in net assets                                                   89,615,543        136,297,215 
- ------------------------------------------------------------------------     ---------------    --------------- 
Net assets: 
Beginning of period                                                           1,481,177,036      1,344,879,821 
- ------------------------------------------------------------------------     ---------------    --------------- 
End of period [including accumulated undistributed net investment income 
as follows: December 31, 1996--$149,624 and June 30, 1996--$138,085]         $1,570,792,579     $1,481,177,036 
- ------------------------------------------------------------------------     ---------------    --------------- 
</TABLE>
See Notes to Financial Statements. 

<PAGE> 

PAGE 19 
- -----------------------

NOTES TO FINANCIAL STATEMENTS (Unaudited) 

(1.) Significant Accounting Policies 

Keystone Balanced Fund (K-1) (the "Fund") is a Pennsylvania business trust 
for which Keystone Investment Management Company ("Keystone") is the 
Investment Adviser and Manager. Keystone was formerly a wholly-owned 
subsidiary of Keystone Investments, Inc. ("KII") and is currently a 
subsidiary of First Union Keystone, Inc. First Union Keystone, Inc. is a 
wholly-owned subsidiary of First Union National Bank of North Carolina which 
in turn is a wholly-owned subsidiary of First Union Corporation ("First 
Union"). The Fund is registered under the Investment Company Act of 1940, as 
amended (the "1940 Act"), as a diversified, open-end investment company. The 
Fund's investment objective is to provide shareholders with current income. 

  The following is a summary of significant accounting policies consistently 
followed by the Fund in the preparation of its financial statements. The 
policies are in conformity with generally accepted accounting principles, 
which require management to make estimates and assumptions that affect 
amounts reported herein. Although actual results could differ from these 
estimates, any such differences are expected to be immaterial to the net 
assets of the Fund. 

A. Valuation of Securities 

U.S. Government obligations held by the Fund are valued at the mean between 
the over-the-counter bid and asked prices, as furnished by an independent 
pricing service. Listed corporate bonds, other fixed income securities, 
mortgage and other asset-backed securities, and other related securities are 
valued at prices provided by an independent pricing service. 

 In determining value for normal institutional-size transactions, the pricing 
service uses methods based on market transactions for comparable securities 
and various relationships between securities which are generally recognized 
by institutional traders. Securities for which valuations are not available 
from an independent pricing service (including restricted securities) are 
valued at fair value as determined in good faith according to procedures 
established by the Board of Trustees. 

 Investments are usually valued at the closing sales price, or, in the 
absence of sales and for over-the-counter securities, the mean of the bid 
and asked prices. 

 Short-term investments with remaining maturities of 60 days or less are 
carried at amortized cost, which approximates market value. Short-term 
securities with greater than 60 days to maturity are valued at market value. 

B. Futures Contracts 

In order to gain exposure to or protect against changes in security values, 
the Fund may buy and sell futures contracts. 

  The initial margin deposited with a broker when entering into a futures
transaction is subsequently adjusted by daily payments or receipts as the value
of the contract changes. Such changes are recorded as unrealized gains or
losses. Realized gains or losses are recognized on closing the contract.

  Risks of entering into futures contracts include (i) the possibility of an
illiquid market for the contract, (ii) the possibility that a change in the
value of the contract may not correlate with changes in the value of the
underlying instrument or index, and (iii) the credit risk that the other party
will not fulfill their obligations under the contract. Futures contracts also
involve elements of market risk in excess of the amount reflected in the
statement of assets and liabilities.

<PAGE> 

PAGE 20 
- -----------------------

Keystone Balanced Fund (K-1)

C. Securities Transactions and Investment Income 

Securities transactions are accounted for no later than one business day 
after the trade date. Realized gains and losses are computed on the 
identified cost basis. Interest income is recorded on the accrual basis and 
includes amortization of discounts and premiums. 

D. Repurchase Agreements 

When the Fund enters into a repurchase agreement (a purchase of securities 
whereby the seller agrees to repurchase the securities at a mutually agreed 
upon date and price) the repurchase price of the securities will generally 
equal the amount paid by the Fund plus a negotiated interest amount. The 
seller under the repurchase agreement will be required to provide securities 
(collateral) to the Fund whose value will be maintained at an amount not less 
than the repurchase price and which generally will be maintained at 101% of 
the repurchase price. The Fund monitors the value of collateral on a daily 
basis. If the value of collateral falls below required levels, the Fund 
intends to seek additional collateral from the seller or terminate the 
repurchase agreement. If the seller defaults, the Fund would suffer a loss to 
the extent that the proceeds from the sale of the underlying securities were 
less than the repurchase price. Any such loss would be increased by any cost 
incurred on disposing of such securities. If bankruptcy proceedings are 
commenced against the seller under the repurchase agreement, the realization 
on the collateral may be delayed or limited. Repurchase agreements entered 
into by the Fund will be limited to transactions with dealers or domestic 
banks believed to present minimal credit risks, and the Fund will take 
constructive receipt of all securities underlying repurchase agreements until 
such agreements expire. 

Pursuant to an exemptive order issued by the Securities and Exchange 
Commission, the Fund, along with certain other Keystone funds, may transfer 
uninvested cash balances into a joint trading account. These balances are 
invested in one or more repurchase agreements that are fully collateralized 
by U.S. Treasury and/or Federal Agency Obligations. 

E. Federal Income Taxes 

The Fund has qualified and intends to qualify in the future as a regulated 
investment company under the Internal Revenue Code of 1986, as amended (the 
"Code"). Thus, the Fund is relieved of any federal income tax liability by 
distributing all of its net taxable investment income and net taxable capital 
gains, if any, to its shareholders. The Fund also intends to avoid excise tax 
liability by making the required distributions under the Code. Accordingly, 
no provision for federal income taxes is required. 

F. Distributions 

The Fund distributes net investment income to shareholders quarterly and 
capital gains, if any, annually. Distributions to shareholders are recorded 
at the close of business on the ex-dividend date. 

Income and capital gains distributions to shareholders are determined in 
accordance with income tax regulations, which may differ from generally 
accepted accounting principles. These differences are primarily due to 
differing treatment of short-term capital gains and mortgage backed 
securities. 

(2.) Capital Share Transactions 

The Fund's Declaration of Trust authorizes the issuance of an unlimited 
number of shares of beneficial interest with no par value. Transactions in 
shares of the Fund were as follows: 

<PAGE> 

PAGE 21 
- -----------------------

<TABLE>
<CAPTION>
                              Six Months 
                                 Ended 
                             December 31,         Year Ended 
                                 1996           June 30, 1996 
- ------------------------    ---------------     --------------- 
<S>                           <C>                <C>
Shares sold                     9,747,064         20,948,679 
Shares redeemed               (13,686,482)       (28,542,355) 
Shares issued in 
reinvestment of 
distributions                   6,046,343          4,948,269 
- ------------------------    ---------------     --------------- 
Net increase (decrease)         2,106,925         (2,645,407) 
- ------------------------    ---------------     --------------- 
</TABLE>

(3.) Securities Transactions 

Cost of purchases and proceeds from sales of investment securities 
(excluding short-term securities, U.S. government securities and foreign 
cash) for the six-months ended December 31, 1996 were $645,679,449 and 
$718,657,292, respectively. 

(4.) Distribution Plans 

The Fund bears some of the costs of selling its shares under a Distribution 
Plan adopted pursuant to Rule 12b-1 under the 1940 Act. Under the 
Distribution Plan, the Fund pays its principal underwriter amounts which are 
calculated and paid monthly. 

  Prior to December 11, 1996, Evergreen Keystone Investment Services, Inc. 
(formerly, Keystone Investment Distributors Company) ("EKIS"), a wholly-owned 
subsidiary of Keystone, served as the Fund's principal underwriter. On 
December 11, 1996, the Fund entered into a principal underwriting agreement 
with Evergreen Keystone Distributor, Inc. (formerly, Evergreen Funds 
Distributor, Inc.) ("EKD"), a wholly-owned subsidiary of BISYS Group, Inc. At 
that time, EKD replaced EKIS as the Fund's principal underwriter. 

  Under the Distribution Plan, the Fund pays a distribution fee which may not 
exceed 1.00% of the Fund's average daily net assets, of which 0.75% is used 
to pay distribution expenses and 0.25% may be used to pay shareholder service 
fees. 

  The Distribution Plan may be terminated at any time by vote of the 
Independent Trustees or by vote of a majority of the outstanding voting 
shares. However, after the termination of the Distribution Plan, and subject 
to the discretion of the Independent Trustees, payments to EKIS and/or EKD 
may continue as compensation for services which had been earned while the 
Distribution Plan was in effect. 

  EKD intends, but is not obligated, to continue to pay distribution costs 
that exceed the current annual payments from the Fund. EKD intends to seek 
full payment of such distribution costs from the Fund at such time in the 
future as, and to the extent that, payment thereof by the Fund would be 
within permitted limits. 

  Total unpaid distribution costs at December 31, 1996 amounted to $4,172,435. 

(5.) Investment Management Agreement and Other Affiliated Transactions 

Under an investment advisory agreement dated December 11, 1996, Keystone 
serves as the Investment Adviser and Manager to the Fund. Keystone provides 
the Fund with investment advisory and management services. In return, 
Keystone is paid a management fee, computed and paid daily. The management 
fee is calculated at a rate of 1.5% of the Fund's gross investment income 
plus an amount determined by applying percentage rates, starting at 0.60% and 
declining as net assets increase to 0.30% per annum, to the net asset value 
of the Fund. 

  Prior to December 11, 1996, Keystone Management, Inc. ("KMI"), a 
wholly-owned subsidiary of Keystone, served as Investment Manager to the Fund 
and provided investment management and administrative services. 

<PAGE> 

PAGE 22 
- -----------------------
Keystone Balanced Fund (K-1)

  Under an investment advisory agreement between KMI and Keystone, Keystone 
served as the Investment Adviser and provided investment advisory and 
management services to the Fund. In return for its services, Keystone 
received an annual fee equal to 85% of the management fee received by KMI. 

  During the six months ended December 31, 1996, the Fund paid or accrued 
$13,981 to Keystone for certain accounting services. 

  The Fund paid or accrued $1,507,481 to Evergreen Keystone Service Company 
(formerly, Keystone Investor Resource Center, Inc.), a wholly-owned 
subsidiary of Keystone, for services rendered as the Fund's transfer and 
dividend disbursing agent. 

  Officers of the Fund and affiliated Trustees receive no compensation 
directly from the Fund. 

(6.) Expense Offset Arrangement 

The Fund has entered into an expense offset arrangement with its custodian. 
For the six months ended December 31, 1996, the Fund incurred total custody 
fees of $290,815 and received a credit of $75,317 pursuant to this expense 
offset arrangement, resulting in a net custody expense of $215,498. The 
assets deposited with the custodian under this expense offset arrangement 
could have been invested in income-producing assets. 

<PAGE> 

PAGE 23 
- -----------------------

ADDITIONAL INFORMATION 

  Shareholders of the Fund considered and acted upon the proposal listed below 
at a special meeting of shareholders held Monday, December 9, 1996. In 
addition, below each proposal are the results of that vote. 

<TABLE>
<CAPTION>
                                                    Affirmative     Withhold 
                                                     -----------   ----------- 
<S>                                                <C>             <C>
1.   To elect the following Trustees:
     Frederick Amling                              72,685,612      1,517,279 
     Laurence B. Ashkin                            72,667,542      1,535,348 
     Charles A. Austin III                         72,696,254      1,506,637 
     Foster Bam                                    72,653,368      1,549,522 
     George S. Bissell                             72,654,937      1,547,954 
     Edwin D. Campbell                             72,663,584      1,539,306 
     Charles F. Chapin                             72,678,860      1,524,031 
     K. Dun Gifford                                72,698,737      1,504,154 
     James S. Howell                               72,639,646      1,563,244 
     Leroy Keith, Jr.                              72,691,910      1,510,981 
     F. Ray Keyser, Jr.                            72,647,536      1,555,354 
     Gerald M. McDonell                            72,663,527      1,539,364 
     Thomas L. McVerry                             72,662,820      1,540,071 
     William Walt Pettit                           72,668,055      1,534,835 
     David M. Richardson                           72,688,149      1,514,742 
     Russell A. Salton, III MD                     72,670,562      1,532,328 
     Michael S. Scofield                           72,661,251      1,541,639 
     Richard J. Shima                              72,687,886      1,515,004 
     Andrew J. Simons                              72,687,577      1,515,314 
     
2.   To approve an Investment Advisory and Management Agreement between the Fund
     and Keystone Investment Management Company. 
       Affirmative 70,683,079 
       Against  1,094,515 
       Abstain  2,425,297 
</TABLE>

<PAGE> 

KEYSTONE
FAMILY OF FUNDS

     [diamond]
Balanced Fund (K-1)
Diversified Bond Fund (B-2)
Growth in Income Fund (S-1)
High Income Bond Fund (B-4)
International Fund Inc.
Liquid Trust
Mid-Cap Growth Fund (S-3)
Precious Metals Holdings, Inc.
Quality Bond Fund (B-1)
Small Company Growth Fund (S-4)
Strategic Growth Fund (K-2)
Tax Free Fund

This report was prepared primarily for the information of the Fund's
shareholders. It is authorized for distribution if preceded or accompanied by
the Fund's current prospectus. The prospectus contains important information
about the Fund including fees and expenses. Read it carefully before you invest
or send money. For a free prospectus on other Evergreen Keystone funds, contact
your financial adviser or call Evergreen Keystone.

[GRAPHIC]Evergreen Keystone Logo

P.O. Box 2121
Boston, Massachusetts 02106-2121

K1-R-2/97
79.5M

KEYSTONE

[GRAPHIC]Man and Woman walking in woods

BALANCED
FUND (K-1)

[GRAPHIC]Evergreen Keystone Logo

SEMIANNUAL REPORT
DECEMBER 31, 1996



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