CALVERT SOCIAL INVESTMENT FUND
N-30D, 1997-06-10
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                             A SPECIAL NOTICE TO ALL
                            CALVERT GROUP SHAREHOLDERS

     We're pleased to announce that on April 21, 1997,  Barbara  Krumsiek joined
Calvert Group as president and chief  executive  officer.  Ms. Krumsiek comes to
Calvert Group from Alliance Capital Management,  where she served as senior vice
president and managing director of their mutual funds division. She has 20 years
experience in mutual fund management and marketing.
     Ms. Krumsiek  replaces former Calvert Group president,  Clifton S. Sorrell,
who stepped down earlier this year after nearly 10 years in the top post.
     We look forward to Ms.  Krumsiek  leading the company into the next century
and bringing Calvert Group mutual funds to a growing number of new investors. We
welcome her to the Calvert Group family.

                              A Note From the Chairman

Dear Investor:
     The financial markets have continued their growth over the past six months,
although with some loss of momentum. While financial returns have been positive,
there is an increasing  wariness of where this free market  exuberance  has been
taking our  markets  and our  society.  Some  developments,  such as the cuts in
military spending, have helped fuel the economic expansion and better aligned
our  priorities  for the future,  but other trends have raised  concerns among a
diverse chorus of participants and observers.
     In one of the most controversial articles published this year, no less than
the self-proclaimed "supercapitalist" George Soros noted in the Atlantic Monthly
that "although I have made a fortune in financial  markets,  I now fear that the
untrammeled intensification of laissez-faire capitalism and the spread of market
values into all areas of life is endangering  our open and  democratic  society.
The main enemy of the open  society,  I believe,  is no longer the communist but
the capitalist threat."
     It is refreshing to see such a viewpoint  expressed  from someone who helps
shape the markets.  And yet, his ideas beg the question  "What can be done?" Our
answer is an  emphasis  of social  responsibility  in the context of the choices
that can be made with free market forces. I am heartened that over the past year
we have been able to make some of those leadership choices as our response.

Shareholder Activism
     The Fund continues to engage portfolio  companies in a dialogue for change.
We've been communicating with The Walt Disney Company about serious  allegations
of labor and human rights violations.  Disney faced a shareholder  resolution by
religious and social  investors on supplier  standards,  and another  resolution
linking the  company's  executive  compensation  with its  contractors'  working
conditions  in Haiti.  CSIF voted its  shares in  support  of both  resolutions.
Disney  has   developed  a  code  of  conduct  for  all  of  its  licensees  and
manufacturers. The Code prohibits the use of child labor and corporal punishment
or other forms of mental and physical coercion,  and requires a safe and healthy
workplace and compliance  with  applicable  wage and hour laws. We will continue
our  dialogue  with  Disney  and  continue  to  monitor  Disney's  international
operations.
     Last year,  the Fund agreed to  withdraw a  shareholder  resolution  we had
filed with Morton  International,  when the company  agreed to publish its first
environmental,  health and safety  report.  While the recently  released  report
provides a succinct overview of the company's  successes and challenges on these
issues, we will continue to press for improvements in the company's programs.

Special Equities
     Another part of our solution is to foster young  companies that provide the
seeds for a sustainable  society.  One investment we made during this period was
in Agraquest, a company that helps identify and develop natural ways for farmers
to control insects and fungi through the use of living microbes.  The company is
well positioned to take advantage of a growing  opinion that natural  pesticides
are superior to synthetic chemicals in terms of effectiveness,  cost, and health
and environmental impact.
     Also during this period the special equity  portfolio saw its investment in
Aviron, a nasal vaccine delivery system, go public which resulted in an increase
in the value of the  investment  as well as improve the  prospects  for easy flu
"snorts" to protect  older people and  children.  And our company  Fountainhead,
which provides an environmentally  safer,  chlorine-free means to clean water in
pools and spas was  acquired  by  another  company  at a profit to the Fund.  As
always, more information about these companies of the future is available at our
website, www.CalvertSIF.com.

High Social Impact Investments
     Finally, an important part of our solution is the one percent of assets the
Fund puts  aside for  community  initiatives.  These are  typically  offered  at
less-than-market  returns but are  instrumental  in  rebuilding  urban and rural
communities.  One such  investment  is the  Self-Help  Ventures Fund which helps
individuals  throughout  North Carolina  start and expand their own  businesses.
Loan  recipient  Mary Neal took  advantage of a special  program  that  finances
childcare and healthcare  providers.  With  Self-Help's  financial and technical
assistance,  she was able to expand  her  business.  As a result,  the Mary Neal
Childcare  Center created 8 new jobs,  added 24 more affordable  childcare slots
and was able to offer  affordable  daycare  throughout the day as well as during
evening work shifts.

Know What You Own
     For our style of investing to make an even larger impact on the markets, we
need to expand our circle of  shareholders.  To that end, we have  embarked on a
high profile public awareness campaign that seeks to educate investors about the
choices they often  unwittingly make when they invest in mutual funds.  Starting
with the issue of tobacco,  our Know What You Own  message  has sparked  tens of
thousands  of  investors  across the  country to call us or visit our website at
www.calvertgroup.com  to find out what  companies  they own.  Later this year we
will be adding new  dimensions  to the website to help  investors  make informed
decisions along a wider range of issues.

New CEO at Calvert
     Calvert Group has just appointed  Barbara Krumsiek as its new President and
Chief  Executive  Officer.  Barbara  comes  to  Calvert  from  Alliance  Capital
Management  where she served as senior vice president and managing  director for
the firm's mutual fund arm,  overseeing  $17 billion in assets.  Her  impressive
array of marketing and analytical  talents  combined with her outstanding  track
record as an effective  manager  will help her lead Calvert  Group into the next
millennium.  Furthermore,  as one of a  handful  of women  running  mutual  fund
complexes,  Barbara  will help  break  through  the  glass  ceiling  that  often
characterizes this industry.
     As the Fund nears its 15th  anniversary,  I think  back to the early  years
when  skeptics  didn't think this idea would work. It is rewarding to reflect on
the good work we have accomplished for our investors and for future  generations
since 1982. At the same time, it is humbling to consider how much more we can do
and need to do to develop and spread our model of investing.
     Thank  you  again for your  patience  and  trust.  I am  excited  about the
contributions  Barbara  Krumsiek  will make toward  furthering  the goals,  both
financial and social, of the Fund.

Sincerely,


D. Wayne Silby
Chairman, Board of Trustees
May 13, 1997
                                CALVERT SOCIAL INVESTMENT FUND

Dear Shareholder:
     
     This report  covers the  performance  and  strategy  of the Calvert  Social
Investment Fund for the six months ended March 31, 1997.
     Despite  investors'  collective  worries that a stock market correction was
just around the corner, the market continued to advance, as measured by the most
widely  covered market  averages,  the Standard & Poor's 500 Stock Index and the
Dow Jones Industrial Average. However, the market has been increasingly volatile
(which is common in the late stages of bull  markets),  and many market  sectors
and  industries  did not share in the positive gains reported by the S&P and Dow
benchmarks.
     
                           SHORT-TERM INTEREST RATES
                             
                  7%____________________


                  6%____________________


                  5%__________________________________________
                       3/96 5/96 7/96 9/96 11/96 1/97 3/97

                              _____Federal Funds Rate
                              -----90 Day Treasury Bill
                              .....1 Year Treasury Bill


     Short-term  interest rates remained low on a historical  basis but began to
trend higher heading into 1997. In March, the Federal Reserve intervened to slow
the pace of economic growth and took steps to raise rates.

Money Market Portfolio

Managed by Calvert Asset Management Company
     Money  market  yields  moved  higher,  keeping  in-step  with  the  rise in
short-term  market  rates.  The  Portfolio's  yield was  comparable to the yield
available on an average of similar funds.
     We kept the weighted  average maturity short,  relative to the average,  so
that the yield would reflect any rise in rates quickly.  Maturity was 36 days at
period end,  compared  to 53 days for the average  money  market  fund.  We also
continued to invest roughly 50% of assets in variable rate demand notes.  Yields
on variable rate demand notes are reset periodically, so they correspond closely
to changes in money market rates.


ANNUALIZED COMPOUND DIVIDEND YIELD





Bond Portfolio

Managed by Calvert Asset Management Company
     Calvert Asset  Management  Company (CAMCO) took over management of the Bond
Portfolio in March,  replacing  United  States  Trust  Company.  Since  assuming
responsibility  for managing assets,  we have taken steps to bring the portfolio
in line with our outlook and investment  approach.  In general,  CAMCO pursues a
very  active  portfolio  management  strategy,  seeking  out  bonds  that  offer
attractive  yields as well as the potential for price  appreciation.  We look to
maintain broad diversification among types of securities and sectors.
     The  Portfolio's  weighted  average  duration  which,  like maturity,  is a
measure of interest rate sensitivity, was 5.25 years at period-end. This is near
the short end of the  Portfolio's  target  range,  reflecting  our  outlook  for
gradually rising rates over the next several months.
     We reduced the  Portfolio's  exposure to  mortgage-backed  securities  from
approximately  28% in  September  to about 8% at period end and roughly 5% as of
this writing. Mortgages perform best in a stable interest rate environment. When
rates rise,  homeowners tend not to prepay their  mortgages,  which  effectively
increases the average life of mortgage-backed securities.  Prices of longer-term
securities decline more in response to a rise in rates.
     Proceeds from sales of  mortgage-backed  issues were  reinvested  mainly in
corporate bonds. The percentage of assets committed to corporates increased from
roughly 30% of assets at the end of September to approximately  70% at the close
of this period.  Within the corporate  sector, we built a core position in bonds
issued by companies in the  financial  services  industry,  where yield  spreads
relative to Treasury  securities  tend to fluctuate  within a fairly wide range,
and a smaller  position in bonds issued by companies in  industrial  industries,
where yield  spreads  tend to remain more stable.  (Industrials  is a very broad
grouping  that is  essentially  comprised of all  companies  not included in the
financial services, transportation or utilities categories.)
     The  shift  in  assets  from   mortgages  to  corporates  has  altered  the
Portfolio's  credit-quality  structure;  but overall,  a very high percentage of
assets  (roughly  65%)  remain  committed  to  securities  that  are  issued  by
government  agencies or have Standard & Poor's credit  ratings of AAA, AA, or A,
the three highest ratings.

Managed Growth Portfolio
     The Managed Growth  Portfolio  maintained its target  allocation of roughly
55% equity securities and 45% fixed-income  securities  throughout the six-month
period covered by this report.
     The Portfolio  underperformed  its benchmark for the six months,  primarily
due to the equity  component's  overweighting  in some of the poorer  performing
stock  market  groups   (especially   the  technology  and  financial   services
industries)  and  its  underweighting  in some  of the  better-performing  areas
(energy). In addition, our equity managers focus mainly on growth stocks, stocks
that have the potential to generate  above-average  earnings, and investors have
recently favored value stocks, stocks trading at discount prices.

Fixed-Income Investments-Calvert Asset Management
    
 Calvert Asset Management  Company (CAMCO) became the sole money manager for
the  fixed-income  portion of Managed  Growth's  assets in  December,  replacing
United  States  Trust  Company.  Since  then,  we have taken  steps to bring the
portfolio in line with our outlook and investment  approach.  In general,  CAMCO
pursues a very  active  portfolio  management  strategy,  seeking out bonds that
offer attractive yields as well as the potential for price appreciation. We look
to maintain broad diversification among types of securities and sectors.
     In keeping with our  expectations  for gradually  rising rates, we kept the
Portfolio's  duration near the short end of our target range.  It was 5.35 years
at  period-end.  We also  reduced the  Portfolio's  holdings of  mortgage-backed
securities and added to the Portfolio's holdings of corporate bonds.

Equity Investments-NCM Capital Management
     This portion of the Portfolio  contributed positive returns but was hurt by
a setback in the financial services and technology  sectors.  Financial services
turned in good gains for the last  quarter of 1996,  but they lost ground in the
first quarter of 1997 on concerns for rising  interest  rates. In the technology
sector, semiconductor holdings were a drag on otherwise strong returns from this
group in the last quarter of 1996.  But for the first  quarter of 1997,  most of
the technology stocks declined in value.
     On the  positive  side,  many of NCM's  consumer  products  and health care
issues turned in good gains. These included Hershey Foods, Colgate Palmolive and
Merck.
Equity Investments-Brown Capital Management
     Brown Capital  Management  began managing a portion of Portfolio  assets in
October.  This firm pursues a "growth at a reasonable  price" strategy,  that is
they look to identify promising  companies with  above-average  growth potential
and to not pay too much more  than the  market  for them.  They tend to focus on
stocks with mid- to large-market  capitalizations (market capitalization = share
price 5 number of shares outstanding).
     Over the past  several  months,  this  manager  took steps to identify  and
invest in several  large-cap  companies that, in their opinion,  will be able to
sustain  double-digit  growth over the next several  years,  operate at a higher
level of profitability than the overall market and were reasonably priced. These
included  Hewlett-Packard,  Intel,  and  Johnson & Johnson.  As a result of this
initiative, the average market capitalization of the companies they selected for
the  Portfolio  has  increased  from  $16.2  billion at the end of 1996 to $19.5
billion at the close of this reporting period.
     Fund assets managed by Brown appreciated over the period, but their returns
were also hurt by an  overweighting  in the  financial  services and  technology
sectors.  Although the sell-off in these groups negatively  affected  short-term
performance,  Brown is confident in the  longer-term  trends that support  their
positive outlook for these stocks. Therefore,  their response was to selectively
add to positions,  specifically in Intel, Microsoft,  Oracle, Cisco Systems, and
Chase Manhattan Bank.

Equity Portfolio

Managed by Loomis, Sayles & Company
     The Equity  Portfolio gained 5.42% over the past six months, a return a bit
above that of its peer  group but below that of the  Standard & Poor's 500 Stock
Index.
     The  Equity  Portfolio  was  positioned  in  some  of the  best  performing
industries,  including  pharmaceuticals  and apparel.  The Portfolio also earned
good gains from their bank and semiconductor  stocks.  Relative  performance was
hindered by exposure to computer networking and software companies.
     Bank holdings Chase  Manhattan and  BankAmerica  did very well due to their
ability to grow earnings  through solid revenue growth,  tight expense  control,
merger-related savings and share repurchase programs.  Pharmaceutical  companies
Merck and Schering  Plough  contributed  good gains as new products  have driven
revenue and profits higher.  Liz Claiborne,  the largest women's apparel company
in the US, also boosted the Portfolio's return as this company was successful in
reducing costs and revitalizing their core business.  Semiconductor manufacturer
Intel had  stellar  gains over the period and was able to double  year-over-year
profits in the latest quarter.
     Networking and software holdings were a drag on recent performance.  On the
basis of their long-term  positive outlook for this group, the manager initiated
positions in several  networking  stocks after these had declined  significantly
from their highs. Although added at compelling prices, these stocks continued to
slide  going into the end of this  reporting  period,  due to  uncertainty  over
near-term demand.  Over the long-term,  Loomis,  Sayles believes that demand for
networking products will be robust, due to increased use of the Internet, growth
in telecommuting and the need for company branch offices to share data.
 
Outlook
     The economic climate looks favorable for both stocks and bonds. While rates
will likely move a bit higher, we don't anticipate a sharp increase or a halt to
the current economic expansion.
     The markets  will likely  continue to exhibit a high degree of  volatility.
However,  we think many  sectors of the stock  market,  including  small-company
stocks,  financial services and technology  issues,  have experienced or are now
experiencing  a  correction.  With this  behind  them,  they should have room to
appreciate.
     Thank you for your investment in the Calvert Social Investment Fund.

Sincerely,


Barbara J. Krumsiek
Senior Vice President, Calvert Social Investment Fund

April 25, 1997

                                Portfolio Statistics

                               Ten Largest Holdings

                                                         as of March 31, 1997
                                                         % of Net Assets

    Managed Growth Portfolio
    Federal National Mortgage Assn.
      (8.15% to 9.55%, with various maturities to 5/11/98)       2.77%
    Federal Home Loan Bank Board
      (6.015% to 9.30%, with various maturities to 9/27/01)      2.73%
    GNMA Single Family Mortgage Pool
      (6.50% to 7.00%, with various maturities to 7/15/25)       2.49%
    Xerox Capital Trust I, 8.00%, 2/1/27                         1.52%
    Cisco Systems, Inc.                                          1.45%
    American Re Corp., 7.45%, 12/15/26                           1.30%
    American International Group, Inc.                           1.28%
    Chase Manhattan Corp.                                        1.25%
    Federal Farm Medium Term Notes, 6.07%, 2/7/00                1.21%
    Time Warner, Inc., 8.58%, 6/22/98                            1.21%

       Total                                                    17.21%

                               Ten Largest Holdings

                                                         as of March 31, 1997
                                                         % of Net Assets

    Equity Portfolio
    American Greetings Corp.                                     3.41%
    Dover Corp.                                                  3.17%
    Schering Plough Corp.                                        3.12%
    USF&G Corp.                                                  2.95%
    AMRCorp.                                                     2.94%
    Ryder Systems, Inc.                                          2.89%
    Federated Department Stores, Inc.                            2.68%
    Ameritech Corp.                                              2.64%
    Liz Claiborne, Inc.                                          2.62%
    General Nutrition Companies, Inc.                            2.61%

      Total                                                     29.03%


                              Portfolio Statistics

                              Maturity Schedule

    % of Portfolio                                3/31/97       9/30/96

    Money Market Portfolio
    1-60 Days                                       75%            84%
    61-120 Days                                     20%            10%
    121-180 Days                                      -            6%
    181-360 Days                                     5%             -
      Weighted Average                          33 days        28 days

    Bond Portfolio
    Less Than 1 Year                                 7%            10%
    1-3 Years                                       13%             5%
    3-5 Years                                       22%            18%
    5-7 Years                                       11%            12%
    7-10 Years                                      25%            12%
    10-20 Years                                      1%             5%
    20 Years and Above                              21%            38%
      Weighted Average                         11 years       13 years

                          Average Annual Total Returns
                          for periods ended March 31, 1997

                        Inception                                  Since
    Class A Shares        Date      1 Year    5 Year   10 Year   Inception

    Money Market          10/82      4.80%     3.94%     5.44%     6.33%
    Bond                   8/87       .16%     5.86%       N/A     7.87%
    Managed Growth        10/82*     1.79%     7.25%     7.49%    10.58%
    Equity                 8/87**    9.00%     6.48%       N/A     7.28%


                            Inception                         Since
    Class C Shares            Date           1 Year        Inception

    Managed Growth           3/94*            5.60%          6.93%
    Equity                   3/94            12.95%          6.30%


    * New sub-advisors assumed management of the Portfolio effective July, 1995.
     ** New sub-advisors assumed management of the Portfolio effective February,
1994.

                            Portfolio Statistics

                            SEC Yields
    Thirty Days Ended                            3/31/97       9/30/96

    Bond Portfolio
      Class A Shares                              5.44%          5.36%

                              Money Market Portfolio
                     Change in value of a hypothetical $10,000 investment.



                             Bond Portfolio
                    Comparison of change in value of $10,000 investment.

     Total returns  assume  reinvestment  of dividends  and, for Class A shares,
reflect the deduction of each Portfolio's  maximum sales charge of 3.75% for the
Bond Portfolio and 4.75% for the Managed Growth and Equity Portfolios.  No sales
charge has been  applied to the  indices  used for  comparison.  The value of an
investment in Class A shares is plotted in the line graphs.  Past performance is
no guarantee of future results.

U.S. Government Agencies                              Principal
and Instrumentalities - 12.1%                            Amount       Value

Federal Home Loan Bank Corp., 5.27%, 7/25/97        $4,000,000   $3,932,661
Federal National Mortgage Assn., 5.25%, 4/15/97      4,000,000    3,991,833
Federal National Mortgage Assn., 5.30%, 6/20/97      3,000,000    2,964,666
Federal National Mortgage Assn., 5.24%, 7/10/97      5,000,000    4,927,222
Federal National Mortgage Assn., 5.33%, 10/16/97     5,000,000    4,853,425

   Total U.S. Government Agencies and Instrumentalities
(Cost $20,669,807)                                               20,669,807

Certificates of Deposit - 0.7%

Broadway Federal Savings & Loan, 5.25%, 8/20/97 (^)     100,000     100,000
Community Bank of the Bay, 5.50%, 10/7/97 (^)          100,000      100,000
Community Capital Bank, 5.15%, 1/20/98 (^)             100,000      100,000
Elk Horn Bank & Trust, 5.27%, 12/18/97 (^)             100,000      100,000
Family Savings Bank, 5.20%, 8/15/97 (^)                100,000      100,000
First Community Bank, 5.00%, 4/22/97 (^)               100,000      100,000
First State Bank of Oklahoma, 5.40%, 4/22/97 (^)       100,000      100,000
Founders National Bank, 5.20%, 8/28/97 (^)             100,000      100,000
Seaway National Bank Chicago, IL,  5.45%, 1/27/98 (^)  100,000      100,000
Self Help Credit Union, 5.05%, 7/15/97 (^)             100,000      100,000
Shore Bank & Trust, 5.20%, 12/19/97 (^)                100,000      100,000
South Shore Bank of Chicago, 5.35%, 10/30/97 (^)       100,000      100,000

   Total Certificates of Deposit (Cost $1,200,000)                1,200,000

Commercial Paper - 17.8%

Accor SA, 5.36%, 4/16/97, LOC:  
National Banque of Paris                               4,000,000     3,991,067
Epson America, Inc., 5.50%, 6/9/97, LOC: 
Dai-Ichi Kangyo Bank                                   3,000,000     2,968,375
Epson America, Inc., 5.65%, 6/11/97, LOC: Fuji Bank    6,000,000     5,933,142
Harley Davidson, 5.35%, 4/3/97                         4,000,000     3,998,811
Harnischfeger, 5.63%, 4/30/97                          8,000,000     7,963,718
Northwestern University, 5.27%, 6/5/97                 2,500,000     2,476,212
Safeco Credit Company, Inc., 5.35%, 4/11/97            3,000,000     2,995,542

   Total Commercial Paper (Cost $30,326,867)                        30,326,867

Municipal Notes - 6.5%

New York City General Obligation Bonds, 5.50%,
   4/30/97, LOC: Societe Generale                      3,500,000     3,500,000
New York City General Obligation Bonds, 5.50%,
   6/18/97, LOC: Societe Generale                      3,500,000     3,500,000
Oakland Alameda County, 5.35%, 4/1/97, LOC: 
Canadian Imperial                                      4,000,000     4,000,000

   Total Municipal Notes (Cost $11,000,000)                         11,000,000

Taxable Variable                                      Principal
Rate Demand Notes - 60.8%                             Amount       Value

Alabama H/M Partners LLC Community Development VRDN,
   5.90%, 10/01/20, LOC:  Amsouth Bank              $4,600,000   $4,600,000
Alabama State Industrial Development Revenue VRDN,
   5.85%, 12/1/19, LOC:  Chemical Bank               5,760,000    5,760,000
Allegheny County Development Authority Revenue VRDN,
5.75%, 2/15/12,LOC:First National Bank of Chicago    5,500,000    5,500,000
Arbor Properties, Inc. VRDN, 5.90%, 11/1/21,
   LOC: Amsouth Bank                                 4,900,000    4,900,000
Aspen Institute Inc. VRDN, 5.86%, 12/1/04,
   LOC:  First National Bank of Maryland             2,410,000    2,410,000
Assisted Living Funding, Ltd. VRDN, 5.40%, 12/1/97,
   LOC: First Union Bank                             7,650,000    7,650,000
Barton Healthcare LLC VRDN, 5.70%, 2/15/25,
   LOC:  American National Bank & Trust                900,000      900,000
Bexar County Health Facilities Revenue VRDN, 5.98%, 2/1/22,
   LOC: Kredietbank                                  2,665,000    2,665,000
Chapel Oaks Inc. Revenue VRDN, 5.75%, 10/1/26,
   LOC:  Allied Irish Bank                           7,150,000    7,150,000
Gardena Certificates of Participation VRDN, 5.95%, 7/1/25,
   LOC:  Sumitomo Trust & Banking, Confirming
   LOC: Dai-Ichi Kangyo Bank                         4,960,000    4,960,000
Iowa Finance Authority Economic Development Revenue VRDN,
   5.65%, 3/1/11, LOC:  Rabobank Nederland           1,950,000    1,950,000
IPC Industries, Inc. VRDN, 5.85%, 10/1/11,
   LOC: National Bank of Canada                      6,405,000    6,405,000
Liliha Partners Revenue VRDN, 6.15%, 8/1/24,
   LOC:  First Hawaiian Bank                         4,000,000    4,000,000
Memphis Center Finance Corp. Multi-family Housing Revenue
   VRDN, 5.95%, 11/1/30, LOC: 
National Bank of Commerce                             345,000       345,000
Montgomery County Industrial Building Revenue VRDN,
   5.85%, 8/1/06, LOC: Fleet Bank                    2,220,000    2,220,000
Montgomery County Industrial Development 
Authority Revenue
   VRDN, 5.80%, 3/1/10, LOC: Corestates                665,000      665,000
Mt. Vernon Industrial Solid Waste Disposal 
Revenue VRDN, 5.90%,
   11/1/11, LOC: Citizens National Bank of Evansville, 
Confirming
   LOC: Suntrust Bank                                3,350,000    3,350,000
Oxnard Finance Authority Lease Revenue VRDN, 
5.70%, 6/1/06,
   LOC: Union Bank of California                     5,360,000    5,360,000
Pennsylvania Economic Development Financing 
Authority Revenue
   VRDN, 5.45%, 7/1/16, LOC: Mellon Bank             3,800,000    3,800,000
Physicians Plus Medical Group VRDN, 5.90%, 8/1/16,
   LOC:  Marshall & Ilsley Bank                      7,850,000    7,850,000
Sault Sainte Marie Tribe Building Authority 
Revenue VRDN, 5.94%,
   6/1/03, LOC:  First America Bank of Michigan      7,440,000    7,440,000
St. Josephs County Multi-family Housing VRDN,
 Corby Apartments,
   5.83%, 6/1/27, LOC: Federal Home Loan Bank          345,000      345,000
St. Josephs County Multi-family Housing VRDN, Pin Oak
   Apartments, 5.83%, 6/1/27, LOC: 
Federal Home Loan Bank                                 940,000      940,000
St. Josephs County Multi-family Housing VRDN, West Manor
         Apartments, 5.83%, 6/1/27, 
LOC: Federal Home Loan Bank                            720,000      720,000


Taxable Variable                                      Principal
Rate Demand Notes (Cont'd)                            Amount       Value

TLC Holdings LLC VRDN, 5.85%, 6/1/26,
   LOC:  Columbus Bank & Trust                      $4,925,000   $4,925,000
Virginia State Housing Development Authority Revenue
   VRDN, 5.60%, 1/1/34                               3,800,000    3,800,000
W.L. Petrey Wholesaling, Inc. VRDN, 5.85%, 3/1/08,
   LOC:  Southtrust Bank of Alabama                  3,080,000    3,080,000

     Total  Municipal Obligations (Cost $103,690,000)           103,690,000

Repurchase Agreements - 3.8%

Union Bank of Switzerland:
   6.70%, dated 3/31/97, due 4/1/97
($6,672,504 Federal National Mortgage Assn.,
 7.50%, 9/1/26)                                      6,500,000    6,500,000

     Total Repurchase Agreements (Cost $6,500,000)                6,500,000

       TOTAL INVESTMENTS (Cost $173,386,674) - 101.7%           173,386,674
       Other assets and liabilities, net  (1.7%)                 (2,923,119)

       Net Assets - 100%                                       $170,463,555


Net Assets Consist of:

Paid-in capital applicable to 170,512,380 shares of beneficial interest;
   unlimited number of no par value shares authorized          $170,508,404
Undistributed net investment income                                   3,135
Accumulated net realized gain (loss) on investments                 (47,984)

   Net Assets                                                 $170,463,555


   Net Asset Value per Share                                          $1.00

U.S. Government Agencies                             Principal
and Instrumentalities - 9.2%                         Amount       Value


Federal Farm Medium Term Notes, 6.07%, 2/7/00      $7,250,000    $7,140,815
Federal Home Loan Bank Board, 6.32%, 12/4/97         4,000,000    4,013,520
Federal Home Loan Bank Board, 6.015%, 12/10/98       7,000,000    6,957,930
Federal Home Loan Bank Board, 9.30%, 1/25/99         3,000,000    3,143,730
Federal Home Loan Bank Board, 6.25%, 9/27/01         2,000,000    1,943,400
Federal National Mortgage Assn., 9.20%, 6/10/97      3,000,000    3,020,490
Federal National Mortgage Assn., 9.55%, 11/10/97     6,000,000    6,134,280
Federal National Mortgage Assn., 8.15%, 5/11/98      7,000,000    7,150,010
GNMA Single Family Mortgage Pool, 6.50%, 11/15/23    1,750,839    1,631,571
GNMA Single Family Mortgage Pool, 6.50%, 12/15/23    4,410,939    4,110,465
GNMA Single Family Mortgage Pool, 6.50%, 1/15/24     7,586,208    7,077,273
GNMA Single Family Mortgage Pool, 7.00%, 7/15/25     1,932,341    1,853,850

   Total U.S. Government Agencies and Instrumentalities
     (Cost $54,781,316)                                          54,177,334

Certificates of Deposit - 0.2%


Banco Solidario, 10.0625%, 8/3/97 (*)                  301,617      301,617
Blackfeet National Bank, 5.00%, 11/13/97 (^)            92,000       92,000
D. Edward Wells Federal Credit Union, 5.00%, 
11/20/97 (^)                                            50,000       47,794
First American Credit Union, 5.822%, 12/23/97 (^)       92,000       91,551
Mission Area Federal Credit Union, 4.95%, 11/18/97 (^)  50,000       49,979
Northeast Community Federal Credit Union, 4.50%, 
11/18/97 (^)                                            50,000       49,815
South Shore Bank of Chicago, 5.15%, 12/5/97 (^)        100,000       99,576
South Shore Bank of Chicago, 5.35%, 2/9/98             350,000      348,439

   Total Certificates of Deposit (Cost $1,085,617)                1,080,771

Convertible Debenture Bonds - 0.0%


WorldWater, Inc., 9.00%, 9/28/97 (*)                   150,000      150,000


   Total Convertible Debenture Bonds (Cost $150,000)                150,000

Community Loan Notes - 0.9%

Accion International Corp., 4.00%, 1/13/97             250,000      245,208
Accion US Bridge Fund, 4.00%, 1/12/01                  100,000       98,083
Boston Community Loan Fund, 4.00%, 1/12/01             500,000      490,415
Capital District Community Loan, 3.50%, 1/13/98         35,000       34,329
Cascadia Revolving Fund, 3.50%, 4/7/98                  75,000       72,453
Catholic Relief Services, 3.50%, 9/30/97                50,000       49,990
Chicago Community Loan Fund, 3.50%, 6/30/98             75,000       71,408
Coastal Enterprises, Inc., 2.50%, 6/30/99              100,000       94,872
Community Reinvestment Fund, 3.50%, 4/4/97             100,000       96,370
Co-op Fund of New England, Inc., 4.00%, 1/13/00        105,000      102,987
Delaware Valley Community Reinvestment Fund,
 3.50%, 6/30/99                                         75,000       71,408
Eastside Community Investment, 2.50%, 4/4/97           100,000       96,604
Ecumenical Development Corp., 5.00%, 12/31/01          100,000       98,551

  
                                                    Principal
Community Loan Notes (Cont'd)                         Amount       Value


Enterprise Loan Fund, 3.50%, 6/30/98                   $50,000      $47,436
Environmental Enterprises, Inc., 4.00%, 6/28/99        125,000      119,012
First State Community Loan Fund, 4.00%, 1/15/99         25,000       24,521
Foundation for International Community Asst., 
3.50%, 4/30/01                                          50,000       48,185
Housing Assistance Council, 4.00%, 6/30/97              75,000       71,407
Institute for Community Development, 3.00%, 10/1/01    250,000      233,820
Institute for Community Economics, 4.00%, 1/13/00      150,000      147,125
Interfaith Housing Delaware, 4.00%, 9/30/97             50,000       49,990
Low Income Housing Fund, 4.00%, 1/13/99                 50,000       49,041
Low Income Housing Fund, 3.50%, 9/30/99                100,000       99,980
Manna, Inc., 4.00%, 9/30/97                            150,000      149,970
Michigan Housing Trust, 4.00%, 6/28/99                 100,000       95,210
Micro Industry Credit Rural Corp., 4.00%, 1/13/98      100,000       98,083
Minnesota Non Profit Assistance Fund, 3.50%, 4/7/00    200,000      192,740
Montana Women's Capital, 4.00%, 6/30/99                 50,000       47,605
National Fed of Community Development Credit Union,
   3.00%, 4/7/98                                       300,000      288,408
New Alternative Federal, 5.00%, 11/18/97                50,000       48,596
New Hampshire Community Loan Fund, 4.00%, 7/15/99      250,000      238,025
New Mexico Community Loan Fund, 3.50%, 6/30/98          25,000       23,803
Nonprofit Facilities Fund, 3.50%, 6/30/99              100,000       95,210
North Country Co-op Development Fund, 4.00%, 1/12/01   100,000       98,083
Northeast Entrepreneur Fund, 3.50%, 6/30/98             50,000       47,436
Northeast South Dakota Energy Conservation Corp.,
   4.00%, 1/13/98                                       25,000       24,521
Opportunity International, 3.50%, 9/30/99              100,000       99,980
Sage Bruno, 6.00%, 12/31/99                            150,000      150,000
Saint Ambrose Housing Center, 4.00%, 9/30/97            50,000       49,990
SIDI, 3.00%, 6/30/97                                   150,000      141,294
12th Street Historic Rehabilitation Associates Mortgage,
   10.75%, 4/15/97 (b)                                 363,119       90,431
Vermont Community Loan Fund, 4.00%, 4/30/01            200,000      193,208
Washington Area Community Investment Fund, 
4.00%, 12/31/01                                        317,000      297,748
Western Massachusetts Enterprise Fund, 4.00%, 9/30/98   50,000       49,990
Women's Self-Employment Loan Fund, 4.00%, 9/30/97       50,000       49,990
Worcester Community Loan Fund, 4.00%, 4/30/97           25,000       24,150


   Total Community Loan Notes (*)(Cost $5,544,770)                5,107,666

Corporate Bonds - 32.0%

Advanta Corp., 7.00%, 5/01/01                        3,000,000    2,892,180
All Media Solutions, 9.00%, 2/1/98 (*)                  50,000       50,000
Allmerica Financial Corp., 7.625%, 10/15/25          7,000,000    6,656,370
American General Institute Capital, 7.57%, 12/1/45   3,000,000    2,698,941
American Re Corp., 7.45%, 12/15/26                   8,000,000    7,635,360
AON Capital Trust, 8.205%, 1/1/27                    1,000,000      991,650
AON Corp., 6.875%, 10/1/99                           1,000,000      999,000
Bank One, 7.375%, 12/1/02                            1,400,000    1,408,652
Bankamerica Corp., 8.125%, 2/1/02                    2,000,000    2,069,560
Bankers Trust New York, 7.25%, 10/15/11              4,000,000    3,782,040
BellSouth Savings & Security, 9.19%, 7/1/03          1,017,067    1,087,365
                                                     

                                                      Principal
Corporate Bonds (Cont'd)                              Amount       Value

BT Institutional Capital Trust, 8.09%, 12/1/26      $4,000,000   $3,802,012
Cardinal Health, Inc., 6.00%, 1/15/06                5,000,000    4,548,250
Chase Manhattan Auto Owner Trust, 5.95%, 10/15/99    5,000,000    4,982,200
Chase Manhattan Corp., 7.125%, 2/1/07                4,250,000    4,126,707
Clean Air Cab, 6.00%, 12/31/98 (*)                     250,000      124,819
Conseco, Inc., 8.796%, 4/1/27                        5,000,000    4,956,135
Continental Cablevision, Inc., 8.30%, 5/15/06        3,250,000    3,363,165
Corestates Capital Corp., 6.75%, 11/15/06            3,000,000    2,830,650
Dayton Hudson Corp., 10.00%, 12/1/00                 5,000,000    5,457,600
Deutsche Bank Financial, Inc., 6.70%, 12/13/06       2,500,000    2,377,425
Donnelly, R.R., and Sons, Co., 6.70%, 7/5/05         3,000,000    2,886,840
First National Bank Commerce, 6.50%, 1/14/00         4,000,000    3,956,268
First Union Capital One, 7.935%, 1/15/27             3,000,000    2,885,880
First Union Corp., 7.50%, 7/15/06                    2,000,000    1,988,340
Goldman Sachs Group L.P., 6.20%, 12/15/00            2,000,000    1,944,520
Household Finance Corp., 8.375%, 11/15/01            1,500,000    1,566,810
Ikon Capital Resources, 6.94%, 3/27/01               3,000,000    2,980,500
International Business Machine Corp., 7.00%, 
10/30/25                                             1,500,000    1,365,390
International Lease Finance Corp., 6.375%, 1/18/00   5,000,000    4,922,350
Kaiser Foundation Hospitals, 7.63%, 4/19/99          2,000,000    2,034,140
Keycorp, 7.50%, 6/15/06                              3,000,000    2,986,530
McCormick & Co., Inc., 8.95%, 7/1/01                 1,750,000    1,859,252
Mellon Capital II, 7.995%, 1/15/27                   2,000,000    1,936,904
Michigan Bell Telephone Co., 9.25%, 11/15/98         1,000,000    1,041,790
Money Store Auto Trust, 6.19%, 12/20/00              5,000,000    4,991,406
National Association of People with AIDS, 
10.00%, 7/31/97 (*)(b)                                 250,000      166,650
Nationsbank Corp., 7.50%, 9/15/06                    5,000,000    4,974,350
NBD Bank, 6.25%, 8/15/03                             5,920,000    5,607,483
NCB Affordable Housing / Market Rate 
Cooperative First
   Mortgage Certificates Series 1993-3 B,
 6.565012%, 1/1/99 (*)                               2,592,436    2,466,054
Norwest Financial, Inc., 6.8752%, 12/15/99           2,000,000    1,999,720
Oracle Corp., 6.72%, 2/15/04                         2,500,000    2,412,125
Penny (J.C.), Inc., 5.375%, 11/15/98                 2,500,000    2,454,525
Picturetalk, Inc., 8.00%, 3/13/99 (*)                  500,000      500,000
Poland Partners, 5.875%, 4/13/04 (*)                   455,105      269,248
Quality Food Centers, Inc., 8.70%, 3/15/07           1,000,000      965,000
Renaissance Capital Trust, 8.54%, 3/1/27             3,500,000    3,415,160
Riggs Capital Trust II, 8.875%, 3/15/27              7,000,000    6,989,220
Security Benefit Life Co., 8.75%, 5/15/16            3,000,000    3,066,915
Snap On, Inc., 6.625%, 10/1/05                       2,500,000    2,392,100
Societe Generale New York, 7.40%, 6/1/06             5,000,000    4,938,600
Southern California Gas, 6.50%, 12/15/97             2,500,000    2,507,750
State Street Institutional Capital, 8.035%, 3/15/27  2,000,000    1,954,740
Take the Lead, 9.00%, 9/27/00 (*)                      100,000      100,000
Time Warner, Inc., 8.58%, 6/22/98                    7,000,000    7,134,877
Toronto Dominion Bank, 6.50%, 1/15/07                5,000,000    4,929,135
Transamerica Corp., 6.80%, 3/15/99                   1,000,000    1,000,640
Transamerica Corp., 9.375%, 3/1/08                   3,500,000    3,950,310
Wells Fargo Capital I, 6.875%, 4/1/06                4,000,000    3,826,960
Wells Fargo Capital I, 7.96%, 12/15/26               2,000,000    1,933,536
                                                     

                                                         Principal
Corporate Bonds (Cont'd)                                 Amount       Value

World Com, Inc., 7.55%, 4/1/04                       $3,000,000    $2,981,250
Xerox Capital Trust I, 8.00%, 2/1/27                  9,275,000     8,938,057

   Total Corporate Bonds (Cost $192,811,010)                      188,061,406

Municipal Obligations - 2.5%


Chickasaw Nation Certificates of Participation, 
10.00%, 8/1/03 (c)                                    5,855,000     5,269,500
Maryland State Economic Development Corp. Revenue Bonds,
   8.00%, 10/1/05                                     3,000,000     2,963,520
Maryland State Economic Development Corp. Revenue Bonds,
   8.625%, 10/1/19                                     3,000,000    3,048,780
Rochester, New York, 6.05%, 8/15/02                    2,000,000    1,903,080
Texas State General Obligation Bonds, 7.35%, 12/1/21   1,995,000    1,843,938


   Total Municipal Obligations (Cost $15,856,439)                  15,028,818

Repurchase Agreements - 2.2%

Paine Webber: 6.35%, dated 3/31/97, due 4/1/97
   (Collateral: $13,355,183 FNMA 6.50%, 3/1/09)       13,000,000   13,000,000

   Total Repurchase Agreements (Cost $13,000,000)                  13,000,000

Limited Partnership Interest - 0.3%                     Shares

Environment Allies Investment Trust                     36,500       37,507
Environment Private Equity Fund                        180,000      123,276
Global Environment Emerging Markets Fund (#)                 2      767,154
GEEMF Partners (#)                                     255,500      255,500
Hambrecht & Quist Environmental Technology Fund        500,000      356,726
HFG Expansion Fund I (#)                               125,000       91,250
Liberty Environmental Partners (#)                     350,000      350,000
Ukraine Fund (#)                                        52,500       47,371

   Total Limited Partnership Interest (*)(Cost $2,190,161)        2,028,784

Equity Securities - 53.2%


Basic Industries - 0.8%
Praxair, Inc.                                           63,900    2,867,512
Sigma Aldrich                                           57,500    1,775,312

                                                                  4,642,824

Business Equipment & Services - 2.3%
Automatic Data Processing, Inc.                         60,000    2,512,500
Compaq Computer Corp.(#)                                48,200    3,693,325
Hewlett Packard Co.                                    133,350    7,100,887
Miller Herman, Inc.                                        100        6,825

                                                                 13,313,537



Equity Securities (Cont'd)                               Shares       Value
Capital Goods - 1.7%
Avery Dennison Corp.                                    88,930   $3,423,805
Illinois Tool Works, Inc.                               78,000    6,366,750

                                                                  9,790,555

Consumer Products and Services - 3.1%
Avon Products, Inc.                                     70,500    3,701,250
Colgate Palmolive Co.                                   36,100    3,596,462
CUC International, Inc. (#)                            113,725    2,558,812
Fort Howard Corp. (#)                                   53,600    1,668,300
Gillette Co.                                            66,400    4,822,300
Sealed Air Corp. (#)                                    51,125    2,102,515

                                                                 18,449,639


Electrical Equipment - 0.6%
Belden, Inc.                                            95,000    3,384,375

Energy - 2.2%
Baker Hughes, Inc.                                     105,000    4,029,375
MCN Corp.                                              137,000    3,853,125
Seitel, Inc. (#)                                        74,700    2,642,512
Smith International, Inc. (#)                           48,300    2,203,687

                                                                 12,728,699

Financial Services - 10.5%
Aflac, Inc.                                            156,172    5,856,450
American International Group, Inc.                      64,112    7,525,146
Bank of Boston Corp.                                    39,950    2,676,650
Bank One Corp.                                          89,500    3,557,625
BankAmerica Corp.                                       34,900    3,516,175
Chase Manhattan Corp.                                   78,700    7,368,287
Federal National Mortgage Assn.                        178,620    6,452,647
Greentree Financial Corp.                              194,600    6,567,750
MGIC Investment Corp.                                   32,100    2,271,075
Price (T. Rowe) Associates, Inc.                       120,800    4,484,700
State Street Boston Corp.                               19,300    1,338,937
Sunamerica, Inc.                                        81,100    3,051,387
Umbono Investments (#)(a)                            2,846,419    6,891,431

                                                                 61,558,260

Food Products - 2.2%
CPC International                                       57,800    4,739,600
Heinz H J Co.                                           68,400    2,701,800
Hershey Foods Corp.                                     72,600    3,630,000
Interstate Bakeries Corp.                               40,600    1,918,350
Odwalla, Inc. (#)(*)                                     5,879       77,161

                                                                 13,066,911

Industrial Products - 0.5%
Dover Corp.                                              60,900   3,197,250


Equity Securities (Cont'd)                               Shares       Value
Media & Publishing - 1.0%
Disney (Walt) Co.                                       50,495   $3,686,135
Regal Cinemas, Inc. (#)                                 70,100    1,892,700
UOL Publishing, Inc. (#)(*)                             30,823      332,892
                                                                  5,911,727

Merchandising & Retail - 4.8%
Autozone, Inc. (#)                                     149,900    3,372,750
Barnes & Noble, Inc.                                        30        1,065
Caseys General Stores, Inc.                             68,300    1,314,775
Consolidated Stores Corp. (#)                           66,768    2,353,572
Dollar General Corp.                                   105,750    3,304,687
Fastenal Co.                                             9,500     332,500
Home Depot, Inc.                                        81,000    4,333,500
Jones Apparel Group, Inc. (#)                           63,100    2,342,587
Nordstrom, Inc.                                         73,200    2,772,450
Office Max, Inc. (#)                                   216,300    2,811,900
Penny (J.C.), Inc.                                      38,900    1,852,612
Real Goods Trading Corp. (#)(*)                        125,000      375,000
Viking Office Products, Inc.                           152,600    2,956,625

                                                                 28,124,023

Pharmaceutical & Health Care - 7.4%
Amgen (#)                                               58,200    3,251,925
Boston Scientific Corp. (#)                             56,625    3,496,593
Cardinal Health, Inc.                                  103,450    5,625,093
Guidant Corp.                                           28,200    1,734,300
Hayes Medical Services (#)(*)                          303,030      500,000
Health Care & Retirement Corp. (#)                      21,800      626,750
Johnson & Johnson                                      102,100    5,398,537
Medtronic, Inc.                                         49,400    3,075,150
Merck & Co., Inc.                                       57,512    4,845,386
Pall Corp.                                              95,700    2,213,062
R.P. Scherer Corp. (#)                                  59,000    3,060,625
Schering Plough Corp.                                   90,500    6,583,875
United Healthcare Corp.                                 71,600    3,409,950

                                                                 43,821,246

Property Management - 1.0%
Post Properties, Inc.                                   90,300    3,442,687
Rouse Co.                                               87,600    2,562,300

                                                                  6,004,987

Technology - 11.6%
Atmel Corp. (#)                                         73,300    1,754,618
Bay Networks, Inc. (#)                                  60,000    1,072,500
BMC Software, Inc. (#)                                  55,010    2,537,336
Cisco Systems, Inc. (#)                                176,800    8,508,500
Computer Associates International, Inc.                 79,625    3,095,421
DSC Communications Corp. (#)                            48,000    1,005,000
EMC Corp. (#)                                          195,880    6,953,740
Intel Corp.                                             41,700     5,801,512

Equity Securities (Cont'd)                               Shares       Value


Technology (Cont'd)
L.M. Ericsson (ADR)                                     62,265   $2,105,335
Microsoft Corp. (#)                                     77,320    7,089,277
Oracle Systems Corp. (#)                               169,942    6,553,388
Solectron Corp. (#)                                     83,700    4,195,462
Sterling Commerce, Inc. (#)                             91,300    2,647,700
Sterling Software, Inc. (#)                             94,500    2,610,562
Sun Microsystems, Inc. (#)                              91,260    2,635,132
3Com Corp. (#)                                         100,800    3,301,200
US Robotics, Inc. (#)                                   41,600    2,303,600
Vishay Intertechnology, Inc. (#)                       178,400    3,947,100

                                                                 68,117,383

Transportation - 0.3%
Comair Holdings, Inc.                                   85,450    1,858,537

Utilities - 2.1%
Ameritech Corp.                                         61,290    3,769,335
California Energy, Inc. (#)                                100        3,400
Century Telephone Enterprises                           97,175    2,866,662
SBC Communications, Inc.                               107,100    5,635,799

                                                                 12,275,196

Venture Capital - 1.1%
Agraquest, Inc. (#)(*)                                 190,477      200,000
All Media Solutions, Inc. (#)(*)                        307,692     200,000
Aviron (#)(*)                                           74,074      633,333
Calypte Biomed (#)(*)                                  100,000      607,500
Clean Air Cab (#)(*)                                        80            0
Coastal Venture Partners (#)(*)                         80,000       80,000
Community Bank of the Bay (#)(*)                         4,000      100,000
Community Growth Fund (*)                            1,209,210      520,413
Earths Best Stock (#)(*)                                67,500       32,008
Eastern Utilities Associates (#)(*)                      3,049       27,632
Eco Timber International, Inc. (#)(*)                   12,468       99,993
Energia Global, Inc., Series A, 
Convertible Preferred (#)(*)                            72,986      510,902
Energia Global, Inc., Series B, 
Convertible Preferred (#)(*)                            28,571      199,997
Evergreen Solar (#)(*)                                 100,000      150,000
Fountainhead Technologies, Inc., Preferred (#)(*)        3,295       25,003
Knowaste Technologies, Inc. (#)(*)                         432      212,177
Knowaste Technologies, Inc., Class A, Preferred (#)(*)      31       22,390
Living Technologies, Inc. (#)(*)                        25,000      100,000
Paradigm Biosciences (#)(*)                            125,000      250,000
Picturetalk (warrants) (#)(*)                           22,222            0
Poland Partners (#)(*)                                 166,000      166,000
Pro Fund International (#)(*)                            4,553        4,553
Pro Fund International, Preferred (#)(*)               450,723      450,723
Quadrant Healthcare Plc. (#)(*)                        305,263      477,130
Security Dynamics Technologies, Inc. (#)(*)              1,026       25,137
Ultrafem, Inc. (#)(*)                                   25,000      328,125


Equity Securities (Cont'd)                               Shares       Value
Venture Capital (Cont'd)

Ultrafem, Inc. (warrants) (#)(*)                       175,000     $791,853
Wild Planet Toys, Inc., Series B, Preferred (#)(*)     476,190     357,142
Wind Harvest Co., Inc., Series A, Preferred (#)(*)       8,696      50,000

                                                                 6,622,011

   Total Equity Securities (Cost $275,594,254)                 312,867,160

     TOTAL INVESTMENTS (Cost $561,013,567) - 100.5%            591,501,939
     Other assets and liabilities, net (0.5%)                   (3,037,009)

     Net Assets - 100%                                        $588,464,930


Net Assets Consist of:

Paid-in capital applicable to the following shares of beneficial interest;
   unlimited number of no par shares authorized
     Class A: 19,702,143 shares outstanding                     522,906,974
     Class C: 251,653 shares outstanding                          7,516,788
Undistributed net investment income                                 597,706
Accumulated net realized gain (loss)                             26,955,090
Net unrealized appreciation (depreciation) on investments        30,488,372

   Net Assets                                                  $588,464,930


Net Asset Value per Share

Class A (based on net assets of $581,117,605)                       $29.50

Class C (based on net assets of $7,347,325)                         $29.20



U.S. Government Agencies                              Principal
and Instrumentalities - 7.3%                          Amount       Value

Federal Home Loan Mortgage Corp., 7.28%, 5/8/00     $1,000,000   $1,005,680
Federal National Mortgage Assn., 5.49%, 10/2/03      2,000,000    1,838,180
Federal National Mortgage Assn., 6.82%, 8/23/05      1,500,000    1,476,570

   Total U.S. Government Agencies and Instrumentalities
     (Cost $4,315,323)                                            4,320,430

Corporate Bonds - 68.3%


Advanta Corp., 7.00%, 5/01/01                        2,000,000    1,928,120
American General Institutional Capital A,
 7.57%, 12/01/45                                     1,000,000     899,647
Aon Capital Trust A, 8.205%, 1/01/27                 1,000,000      991,650
BellSouth Savings & Employee ESOP, 9.125%, 7/1/03      189,948      201,937
Chase Manhattan Corp, 7.125%, 2/01/07                2,000,000    1,941,980
Conseco Financial Trust, 8.796%, 4/01/27             3,000,000    2,973,681
First Union Corp., 7.50%, 7/15/06                    3,000,000    2,982,510
Goldman Sachs Group LP, 6.20%, 12/15/00              5,100,000    4,958,526
Ikon Capital Resources, 6.58%, 3/29/99               3,000,000    2,984,100
KeyCorp, 7.50%, 6/15/06                              2,000,000    1,991,020
Liberty Mutual Capital Corp., 7.90%, 3/14/03         1,000,000    1,004,708
Mountain State Telephone & Telegraph, 9.50%, 5/1/00    300,000      320,541
National Cooperative Bank, 6.8266850%, 7/1/12          777,731      730,188
NationsBank Corp., 7.50%, 9/15/06                    1,500,000    1,492,305
New England Telephone & Telegraph Co., 
5.05%, 10/1/98                                         500,000      490,010
Norwest Corp., 6.65%, 10/15/23                         700,000      603,603
Pacific Bell Telephone, 6.25%, 3/1/05                  500,000      467,905
Payless Cashways, Inc., 9.125%, 4/15/03                650,000      380,250
Polaroid Corp., 8.00%, 3/15/99                         800,000      817,048
Riggs Capital Trust II, 8.875%, 3/15/27              3,500,000    3,494,610
Santander Financial Issuances Ltd., 
7.875%, 4/15/05                                      2,435,000    2,482,799
State Street Institutional Capital B, 
8.035%, 3/15/27                                      1,000,000      977,370
Time Warner Inc., 8.58%, 6/22/98                     3,000,000    3,057,805
Toronto Dominion Bank NY, 6.50%, 1/15/07             1,000,000      985,827
Xerox Capital Trust I, 8.00%, 2/01/27                1,500,000    1,445,508

   Total Corporate Bonds (Cost $41,322,690)                      40,603,648

Municipal Obligations - 16.1%

Atlanta Downtown Development Authority Revenue Bonds,
   6.875%, 2/1/21                                      650,000      591,104
California State General Obligation Bonds, 
 8.15%, 9/1/01                                       1,500,000    1,550,160
Conneaut School District General Obligation Bonds, 
6.60%, 5/1/04                                         400,000       385,740
Connecticut State General Obligation Bonds, 
6.00%, 1/15/03                                        350,000      330,796
Harrisburg, Pennsylvania, U.S. Government 
Guaranteed Notes, 7.14%, 8/1/02                        90,000       90,343
Missouri Higher Education Student Loan Revenue Bonds,
   6.80%, 2/15/01                                    1,000,000      989,200
    

                                                       Principal
Municipal Obligations (Cont'd)                           Amount       Value


Nassau County, New York, U.S. Government Guaranteed Notes,
   7.12%, 8/1/01                                      $450,000     $451,926
New York State General Obligation Bonds,
 7.65%, 5/1/99                                         800,000     810,960
New York State Job Development Authority 
Revenue Bonds, 7.70%, 3/1/03                         1,500,000   1,524,015
Newburgh, New York, U.S. Government Guaranteed Notes,
   7.12%, 8/1/01                                       110,000     110,471
Oregon State General Obligation Bonds, 7.75%, 7/1/05   490,000     499,952
Pompano Beach, Florida, U.S. Government Guaranteed Notes
   7.12%, 8/1/01                                       565,000     567,418
San Diego County Pension Obligation Bonds, 
6.38%, 8/15/03                                         700,000     657,881
Scranton, Pennsylvania, U.S. Government Guaranteed Notes,
   7.12%, 8/1/01                                       425,000     426,819
Scranton, Pennsylvania, U.S. Government Guaranteed Notes,
   7.14%, 8/1/02                                       100,000     100,381
Somerville, Massachusetts, U.S. Government Guaranteed Notes,
   7.12%, 8/1/01                                       475,000     477,033


   Total Municipal Obligations (Cost $9,592,427)                 9,564,199

Repurchase Agreements - 6.7%

Paine Webber  6.35%, dated 3/31/97, due 4/1/97
   ($4,110,498 Federal National Mortgage Assn.,
6.50%, 3/1/09)                                      4,000,000     4,000,000

   Total Repurchase Agreements (Cost $4,000,000)                  4,000,000


Equity Securities - 1.9%                                 Shares

 Northern Borders Partners, LP (*)                          41,000   1,132,625

   Total Equity Securities (Cost $886,625)                           1,132,625

     TOTAL INVESTMENTS (Cost $60,117,065)  - 100.3%                $59,620,902
     Other assets and liabilities, net  (.3%)                      (170,640)

     Net Assets - 100%                                            $59,450,262


Net Assets Consist of:


Paid-in capital applicable to 3,728,152 Class A shares
   of beneficial interest; unlimited number of no par
   value shares authorized                                     $60,340,068
Undistributed net investment income                                106,456
Accumulated net realized gain (loss)                              (500,099)
Net unrealized appreciation (depreciation) on investments         (496,163)

   Net Assets                                                  $59,450,262


   Net Asset Value per Share                                        $15.95



Equity Securities - 95.6%                                Shares       Value

Business Equipment & Services - 7.3%
Ikon Office Solutions, Inc.                             79,500   $2,663,250
International Business Machines Corp.                    7,500    1,030,312
Viad Corp.                                             159,200    2,547,200
Xerox Corp.                                             40,000    2,275,000

                                                                 8,515,762

Basic Industries - 6.7%
Morton International, Inc.                              71,000    2,999,750
Nalco Chemical Co.                                      80,100    2,993,737
Praxair, Inc.                                           41,700    1,871,287

                                                                  7,864,774


Building, Construction & Furnishing - 2.4%
Masco Corp.                                             78,400    2,802,800


Consumer Products - 10.1%
American Greetings Corp.                               124,500    3,976,219
Black & Decker Corp.                                    92,400    2,968,350
Colgate Palmolive Co.                                   23,000    2,291,375
Premark International, Inc.                            128,000    2,544,000

                                                                 11,779,944

Energy - 3.5%
Enron Corp.                                             94,000    1,950,500
United Meridian Corp. (#)                               70,000    2,108,750

                                                                 4,059,250

Financial Services - 12.9%
Aetna, Inc.                                             33,000    2,833,875
BankAmerica Corp.                                       30,000    3,022,500
Chase Manhattan Corp.                                   30,000    2,808,750
Chubb Corp.                                             54,000    2,909,250
USF&G Corp.                                            160,000    3,440,000

                                                                 15,014,375

Industrial Products - 3.2%
Dover Corp                                             70,500     3,701,250

Pharmaceutical & Health Care - 4.6%
Merck & Co., Inc.                                       20,000    1,685,000
Schering Plough Corp.                                   50,000    3,637,500

                                                                  5,322,500


Retail - 14.0%
Albertsons, Inc.                                        80,000    2,720,000
Autozone, Inc. (#)                                     105,000    2,362,500

Equity Securities (Cont'd)                               Shares       Value

Retail (Cont'd)
Federated Department Stores, Inc. (#)                   95,000   $3,123,125
General Nutrition Companies, Inc. (#)                  150,000    3,037,500
Liz Claiborne, Inc.                                     70,000    3,053,750
Reebok International, Ltd.                               1,000       44,875
Sunglass Hut International, Inc. (#)                   287,000    2,009,000

                                                                 16,350,750


Technology - 15.5%
Cabletron Systems, Inc. (#)                             90,000    2,632,500
Cascade Communications Corp. (#)                        45,000    1,186,875
Computer Associates International, Inc.                 72,000    2,799,000
Informix Corp. (#)                                     107,000    1,618,375
Intel Corp.                                             21,000    2,921,625
Symantec Corp. (#)                                     185,000    2,636,250
3Com Corp. (#)                                          45,000    1,473,750

US Robotics Corp. (#)                                  51,400     2,846,275

                                                                 18,114,650

Transportation - 8.4%
AMR Corp. (#)                                           41,600    3,432,000
Ryder System, Inc.                                     115,000    3,363,750
US Freightways Corp.                                   117,000    3,027,375

                                                                  9,823,125

Utilities - 7.0%
Ameritech Corp.                                         50,000    3,075,000
Pacific Telesis Group                                   71,000    2,680,250
SBC Communications, Inc.                                45,000    2,368,126

                                                                  8,123,376

   Total Equity Securities (Cost $104,768,362)                  111,472,556


                                                      Principal
Repurchase Agreements - 7.7%                          Amount

Union Bank of Switzerland: 6.70%, dated 3/31/97, due 4/1/97
  (Collateral: $9,243,382 FNMA, 8.00%, 3/1/23)       9,000,000    9,000,000


   Total Repurchase Agreements (Cost $9,000,000)                  9,000,000

       TOTAL INVESTMENTS (Cost $113,768,362) - 103.3%           120,472,556
       Other assets and liabilities, net (3.3%)                  (3,889,831)

       Net Assets - 100%                                      $116,582,725

                                                      Principal
Net Assets Consist of:                                Amount       Value

Paid-in capital applicable to the following shares of beneficial interest;
   unlimited number of no par shares authorized
     Class A: 5,040,223 shares outstanding                     $97,360,207
     Class C: 200,080 shares outstanding                          4,120,072
Undistributed net investment income                                 122,347
Accumulated net realized gain (loss)                              8,275,905
Net unrealized appreciation (depreciation) on investments         6,704,194

   Net Assets                                                 $116,582,725



Net Asset Value per Share
Class A (based on net assets of $112,326,634)                       $22.29

Class C (based on net assets of $4,256,091)                         $21.27


Net Investment Income

Investment Income
   Interest income                                  $4,593,018   $9,905,386
   Dividend income (net of foreign taxes withheld of $587
     for Managed Growth)                                     -    1,566,522

       Total investment income                       4,593,018   11,471,908

Expenses
   Investment advisory fee                             409,283    1,893,616
   Transfer agency fees and expenses                   244,522      429,596
   Distribution Plan expenses:
     Class A                                                 -      714,068
     Class C                                                 -       36,516
   Trustees' fees and expenses                          27,793      102,300
   Custodian fees                                       11,410       52,577
   Registration fees                                    15,048       25,670
   Reports to shareholders                              73,324      203,381
   Professional fees                                     7,209       32,619
   Miscellaneous                                        27,142      145,695
   Reimbursement from Advisor                          (88,076)        (243)

       Total expenses                                  727,655    3,635,795
       Fees paid indirectly                            (11,410)     (52,577)

         Net expenses                                  716,245    3,583,218

         Net Investment Income                       3,876,773    7,888,690

Realized and Unrealized
Gain (Loss) on Investments

Net realized gain (loss) on:

   Securities                                            1,226     47,555,199
   Futures                                                  -        (21,450)
   Foreign currencies                                       -         (1,998)

 
                                                         1,226    47,531,751
Change in unrealized appreciation or depreciation          -     (43,747,538)

       Net Realized and Unrealized
       Gain (Loss) on Investments                        1,226    3,784,213

       Increase (Decrease) in
       Net Assets Resulting
       From Operations                              $3,877,999  $11,672,903



Net Investment Income
Investment Income
   Interest income                                  $2,191,703      $58,303
   Dividend income                                      24,349      728,413

       Total investment income                       2,216,052      786,716

Expenses
   Investment advisory fee                             197,766      300,534
   Transfer agency fees and expenses                    62,731      139,817
   Distribution Plan expenses:
     Class A                                            62,223      125,402
     Class C                                             1,098       18,254
   Trustees' fees and expenses                          10,712       17,543
   Custodian fees                                       14,663        8,324
   Registration fees                                    11,503       17,025
   Reports to shareholders                              26,423       50,937
   Professional fees                                     3,166        4,417
   Miscellaneous                                        13,453       26,595
   Reimbursement from Advisor                           (1,057)           -

       Total expenses                                  402,681      708,848
       Fees paid indirectly                            (14,663)      (8,324)

         Net expenses                                  388,018      700,524

         Net Investment Income                       1,828,034       86,192


Realized and Unrealized
Gain (Loss) on Investments
Net realized gain (loss)                               400,449    9,708,693
Change in unrealized appreciation or depreciation     (779,511)  (4,320,063)

         Net Realized and Unrealized
         Gain (loss) on Investments                   (379,062)   5,388,630

         Increase (Decrease) in
         Net Assets Resulting
         From Operations                            $1,448,972   $5,474,822



Increase (Decrease) in Net Assets

Operations
   Net investment income                            $3,876,773   $7,717,644
   Net realized gain (loss)                              1,226       (3,983)

     Increase (Decrease) in Net Assets
     Resulting From Operations                       3,877,999    7,713,661

Distributions to shareholders from
   Net investment income                            (3,874,501)  (7,717,375)

Capital share transactions:
   Shares sold                                      78,717,139  166,829,716
   Reinvestment of distributions                     3,564,053    7,211,144
   Shares redeemed                                 (78,337,457)(161,516,395)
                                                     3,943,735   12,524,465

   Total Increase (Decrease)
   in Net Assets                                     3,947,233   12,520,751

Net Assets

Beginning of period                                166,516,322  153,995,571

End of period (including undistributed net investment
   income of $3,135 and $863, respectively)       $170,463,555 $166,516,322


Capital Share Activity

Shares sold                                         78,717,139  166,829,716
Reinvestment of distributions                        3,564,053    7,211,144
Shares redeemed                                    (78,337,457)(161,516,395)

Total capital share activity                         3,943,735   12,524,465



Increase (Decrease) in Net Assets
Operations
   Net investment income                            $7,888,690  $14,907,120
   Net realized gain (loss)                         47,531,751   21,811,370
   Change in net unrealized appreciation or 
     depreciation                                  (43,747,538)  19,966,340

     Increase (Decrease) in Net Assets
     Resulting From Operations                      11,672,903   56,684,830

Distributions to shareholders from
   Net investment income:
     Class A Shares                                 (7,615,542) (14,622,197)
     Class C Shares                                    (50,724)     (79,219)
   Net realized gain:
     Class A Shares                                (39,194,997) (63,482,198)
     Class C Shares                                   (483,529)    (481,235)

   Total distributions                             (47,344,792) (78,664,849)

Capital share transactions:
   Shares sold:
     Class A Shares                                 29,062,648   75,161,055
     Class C Shares                                  1,687,269    3,298,057
   Reinvestment of distributions:
     Class A Shares                                 43,484,921   71,965,131
     Class C Shares                                    521,544      548,576
   Shares redeemed:

     Class A Shares                                (50,701,692) (91,748,763)
     Class C Shares                                 (1,115,214)  (1,093,458)

   Total capital share transactions                 22,939,476   58,130,598

   Total Increase (Decrease)
   in Net Assets                                   (12,732,413) 36,150,579

Net Assets


Beginning of period                                601,197,343  565,046,764

End of period (including undistributed net investment
income of $597,706 and $439,804, respectively)    $588,464,930 $601,197,343


Capital Share Activity

Shares sold:
   Class A Shares                                      928,551    2,456,495
   Class C Shares                                       54,071      108,790
Reinvestment of distributions:
   Class A Shares                                    1,428,908    2,397,276
   Class C Shares                                       17,312       18,464
Shares redeemed:
   Class A Shares                                   (1,619,152)  (2,989,397)

   Class C Shares                                      (35,989)     (35,721)

Total capital share activity                           773,701    1,955,907



Increase (Decrease) in Net Assets
Operations
   Net investment income                            $1,828,034   $3,612,447
   Net realized gain (loss)                            400,449       15,729
   Change in net unrealized appreciation 
or depreciation                                       (779,511)  (1,183,585)

     Increase (Decrease) in Net Assets
     Resulting From Operations                       1,448,972    2,444,591

Distributions to shareholders from
   Net investment income:
     Class A Shares                                 (1,826,963)  (3,552,786)
     Class C Shares                                     (4,173)     (54,625)
   Net realized gain:
     Class A Shares                                          -            -
     Class C Shares                                          -            -

   Total distributions                              (1,831,136)  (3,607,411)

Capital share transactions:
   Shares sold:
     Class A Shares                                  5,948,679   11,109,094
     Class C Shares                                     74,933      661,435
   Reinvestment of distributions:
     Class A Shares                                  1,413,289    2,753,789
     Class C Shares                                      4,537       49,153
   Shares redeemed:
     Class A Shares                                 (9,768,417) (13,397,047)
     Class C Shares                                 (1,540,798)    (152,489)

   Total capital share transactions                 (3,867,777)   1,023,935

   Total Increase (Decrease)
   In Net Assets                                    (4,249,941)    (138,885)

Net Assets


Beginning of period                                 63,700,203   63,839,088

End of period (including undistributed net investment
income of $106,456 and $109,558, respectively)     $59,450,262  $63,700,203


Capital Share Activity


Shares sold:
   Class A Shares                                      365,137      679,640
   Class C Shares                                        4,676       40,967
Reinvestment of distributions:
   Class A Shares                                       87,104      169,469
   Class C Shares                                          283        3,061
Shares redeemed:
   Class A Shares                                     (600,345)    (822,989)
   Class C Shares                                      (95,628)      (9,542)

Total capital share activity                          (238,773)      60,606

Increase (Decrease) in Net Assets

Operations
   Net investment income                               $86,192     $112,016
   Net realized gain (loss)                          9,708,693    6,588,657
   Change in net unrealized appreciation
 or depreciation                                    (4,320,063)   8,311,454

     Increase (Decrease) in Net Assets
     Resulting From Operations                       5,474,822   15,012,127

Distributions to shareholders from
   Net investment income:

     Class A Shares                                       (407)    (262,483)
     Class C Shares                                        (33)      (1,695)
   Net realized gain:
     Class A Shares                                 (6,850,649)  (7,816,026)
     Class C Shares                                   (232,825)    (165,432)

   Total distributions                              (7,083,914)  (8,245,636)

Capital share transactions:
   Shares sold:
     Class A Shares                                 15,663,182   19,139,948
     Class C Shares                                  1,451,379    1,179,087
   Reinvestment of distributions:
     Class A Shares                                  6,223,409    7,431,893
     Class C Shares                                    221,462      164,558
   Shares redeemed:
     Class A Shares                                 (9,408,502) (22,784,833)
     Class C Shares                                   (298,544)    (310,498)

   Total capital share transactions                 13,852,386    4,820,155

   Total Increase (Decrease)
   in Net Assets                                    12,243,294   11,586,646

Net Assets


Beginning of period                                104,339,431   92,752,785

End of period (including undistributed net investment
income (loss) of $122,347 
and $36,595, respectively)                        $116,582,725 $104,339,431


Capital Share Activity

Shares sold:
   Class A Shares                                      677,256      913,008
   Class C Shares                                       65,511       57,668
Reinvestment of distributions:
   Class A Shares                                      273,320      367,609
   Class C Shares                                       10,163        8,348
Shares redeemed:
   Class A Shares                                     (406,134)  (1,092,012)
   Class C Shares                                      (13,607)     (15,221)

Total capital share activity                           606,509      239,400




Note A-Significant Accounting Policies

     General:  The Calvert  Social  Investment  Fund (the "Fund") is  registered
under the Investment Company Act of 1940 as a diversified,  open-end  management
investment  company.  The Fund  operates  as a series  fund with  four  separate
portfolios: Money Market, Managed Growth, Bond and Equity. Each Portfolio offers
shares of  beneficial  interest.  Money  Market  shares are sold without a sales
charge. Managed Growth and Equity offer both Class A and Class C shares. Class A
shares are sold with a maximum front-end sales charge of 4.75% (3.75% for Bond).
Class C shares,  which have no  transaction-based  sales  charge,  have a higher
annual expense rate than Class A. Each class has different:  (a) dividend rates,
due to  differences  in  Distribution  Plan  expenses  and other class  specific
expenses,  (b) exchange  privileges  and (c) class specific  voting  rights.  On
October 29, 1996,  all  outstanding  Class C shares in the Bond  Portfolio  were
converted into an equivalent  value of Class A shares.  This  transaction  was a
non-taxable  exchange  and no sales  charge  was  applied  to the Class A shares
issued.

     Security  Valuation:  Securities listed or traded on a national  securities
exchange are valued at the last reported  sale price.  Unlisted  securities  and
listed  securities  for which the last sale price is not available are valued at
the most  recent  bid  price or based on a yield  equivalent  obtained  from the
securities' market maker.  Municipal securities are valued utilizing the average
of bid prices or at bid prices based on a matrix  system (which  considers  such
factors as security prices, yields, maturities and ratings) furnished by dealers
through an independent  pricing service.  Foreign security prices,  furnished by
quotation  services in the security's  local currency,  are translated using the
current U.S.  dollar  exchange  rate.  All  securities  held by Money Market are
valued at  amortized  cost  which  approximates  market.  The Fund may invest in
securities  whose resale is subject to restrictions.  Restricted  securities and
other  securities  and assets for which market  quotations  are not available or
deemed  inappropriate  are valued in good faith under the direction of the Board
of Trustees.

     Repurchase  Agreements:  The Fund may enter into repurchase agreements with
recognized  financial  institutions  or  registered  broker/dealers  and, in all
instances,  holds  underlying  securities  with  a  value  exceeding  the  total
repurchase price, including accrued interest.

     Options:  The Fund may write or  purchase  option  securities.  The  option
premium is the basis for  recognition  of unrealized or realized gain or loss on
the option. The cost of securities acquired or the proceeds from securities sold
through the exercise of the option is adjusted by the amount of the premium.

     Futures  Contracts:  The Fund may enter into futures contracts  agreeing to
buy or sell a financial  instrument  for a set price at a future date.  The Fund
maintains  securities with a value equal to its obligation  under each contract.
Initial margin deposits of either cash or securities are made upon entering into
futures  contracts;  thereafter,  variation margin payments are made or received
daily  reflecting  the change in market value.  Unrealized or realized gains and
losses  are  recognized  based on the change in market  value.  Risks of futures
contracts  arise from the possible  illiquidity  of the futures  markets and the
movement in the value of the investment or in interest rates.

     Security  Transactions  and Investment  Income:  Security  transactions are
accounted  for on trade  date.  Realized  gains and  losses are  recorded  on an
identified cost basis.  Dividend income is recorded on the ex-dividend  date or,
in the case of dividends on certain foreign  securities,  as soon as the Fund is
informed of the ex-dividend  date.  Interest  income,  accretion of discount and
amortization of premium are recorded on an accrual basis.

     Foreign Currency Transactions: The Fund's accounting records are maintained
in U.S.  dollars.  For valuation of assets and  liabilities  on each date of net
asset  value  determination,  foreign  denominations  are  translated  into U.S.
dollars  using the current  exchange  rate.  Security  transactions,  income and
expenses  are  converted at the  prevailing  rate of exchange on the date of the
event. The effect of changes in foreign exchange rates on securities is included
in the net realized and unrealized gain or loss on securities.

     Distributions to  Shareholders:  Distributions to shareholders are recorded
by the Fund on ex-dividend  date.  Dividends from net investment income are paid
monthly by Money Market  (accrued  daily) and Bond,  quarterly by Managed Growth
and annually by Equity.  Distributions  from net realized capital gains, if any,
are paid at least  annually.  Distributions  are  determined in accordance  with
income tax  regulations  which may differ  from  generally  accepted  accounting
principles;  accordingly,  periodic reclassifications are made within the Fund's
capital  accounts to reflect income and gains available for  distribution  under
income tax regulations.

     Estimates:  The preparation of the financial  statements in conformity with
generally accepted  accounting  principles requires management to make estimates
and  assumptions  that affect the reported  amount of assets and liabilities and
disclosure of  contingent  assets and  liabilities  at the date of the financial
statements and the reported  amounts of income and expenses  during the reported
period. Actual results could differ from those estimates.

     Expense Offset Arrangement:  The Fund has an arrangement with its custodian
bank whereby the custodian's  fees are paid indirectly by credits earned on each
Portfolio's  cash on  deposit  with the bank.  Such  deposit  arrangement  is an
alternative to overnight investments.

     Federal  Income  Taxes:  No provision  for federal  income or excise tax is
required since the Fund intends to continue to qualify as a regulated investment
company under the Internal Revenue Code and to distribute  substantially  all of
its earnings.

Note B-Related Party Transactions
     Calvert Asset Management  Company,  Inc. (the "Advisor") is wholly-owned by
Calvert Group,  Ltd.  ("Calvert"),  which is indirectly  wholly-owned  by Acacia
Mutual Life Insurance Company. The Advisor provides investment advisory services
and pays the salaries and fees of officers and affiliated  Trustees of the Fund.
For its  services,  the Advisor  receives  monthly  fees based on the  following
annual rates of average daily net assets: .50 % for Money Market,  .70% for both
Managed Growth and Equity, and .65% for Bond. Effective June, 1995, Equity began
paying a monthly  performance  fee of plus or minus .20%, on an annual basis, of
average daily net assets of the performance  period depending on the Portfolio's
performance compared to the Standard & Poor's Composite Stock Price Index.

     The  Advisor  reimburses  the  Portfolios  for their  respective  operating
expenses (excluding brokerage fees, taxes, interest,  Distribution Plan expenses
and  extraordinary  items) exceeding the following annual rates of average daily
net assets:  1.5% on the first $30 million and 1.0% on the excess of $30 million
for Money Market and Bond;  2.5% on the first $30 million,  2.0% on the next $70
million and 1.5% on the excess of $100  million  for Managed  Growth and Equity.
Calvert Distributors,  Inc., an affiliate of the Advisor, is the distributor and
principal underwriter for the Fund. Distribution Plans, adopted by each class of
shares,  allow the Portfolios to pay the  distributor  for expenses and services
associated with  distribution  of shares.  The expenses paid may not exceed .35%
and 1.0%  annually  of average  daily net assets of each Class A and Class C for
Managed Growth, Bond and Equity, respectively.  The expenses of Money Market are
limited to .25% annually of average daily net assets.

     The  Distributor  received the following as its portion of the  commissions
charged  on sales of each  Portfolio's  shares:  $156,934  for  Managed  Growth,
$24,797 for Bond and $99,096 for Equity.

     Calvert Shareholder  Services,  Inc., an affiliate of the Advisor,  acts as
transfer, dividend disbursing and shareholder servicing agent for the Fund.

     Each Trustee who is not affiliated with the Advisor  receives an annual fee
of $15,430 plus $600 for each Board and Committee meeting  attended.  Additional
fees  of up to  $10,000  annually  may be  paid to the  Chairperson  of  special
committees  of the  Board.  Trustee's  fees are  allocated  to each of the funds
served.

     Umbono Investment Corp.,  which is an affiliate because Managed Growth owns
over 5% of the voting  securities,  was  purchased at a cost of  $7,849,582  for
2,850,429 shares.

Note C-Investment Activity

     During  the  period,  purchases  and  sales  of  investments,   other  than
short-term securities, were:



Purchases:                           $520,002,561   $46,523,060     $74,846,168
Sales:                                530,473,357    50,448,199      67,737,566

Money Market held only short-term investments.

     The cost of investments  owned at March 31, 1997 was substantially the same
for federal income tax and financial reporting purposes for each Portfolio.  The
following   table  presents  the  components  of  net  unrealized   appreciation
(depreciation)  as  of  March  31,  1997  and  the  net  realized  capital  loss
carryforwards as of September 30, 1996 with expiration dates:



Unrealized appreciation            -  $48,552,741     $457,381   $13,696,323
Unrealized depreciation            -   18,064,369      953,544     6,992,129
Capital loss carryforward       49,210          -      900,947             -
Expiration dates             1997-2004          -    2003-2004             -

     Capital  losses may be utilized to offset  current and future capital gains
until expiration.

     As a cash management  practice,  Portfolios may sell or purchase short-term
variable  rate demand notes from other  Portfolios  managed by the Advisor.  All
transactions are executed at independently derived prices.


Note D-ubsequent Event

     Effective  October 29,  1996,  all  outstanding  Class C shares in the Bond
Portfolio will be converted  automatically  into an equivalent  value of Class A
shares.  This transaction is a non-taxable  exchange and no sales charge will be
applied to the Class A shares issued.



Net asset value, beginning                $1.00         $1.00         $1.00

Income from investment operations
   Net investment income                   .024          .048          .050
Distributions from
   Net investment income                 (.024)        (.048)        (.050)

Net asset value, ending                   $1.00         $1.00         $1.00


Total return                               2.38%         4.88%         5.13%
Ratios to average net assets:
   Net investment income               4.74%(a)         4.77%         5.03%
   Total expenses                       .89%(a)          .89%          .89%
   Net expenses                         .87%(a)          .87%          .87%
   Expenses reimbursed                  .11%(a)          .21%          .18%
Net assets, ending (in thousands)      $170,464      $166,516      $153,996
Number of shares outstanding,
   ending (in thousands)                170,512       166,569       154,044





Net asset value, beginning                $1.00         $1.00         $1.00

Income from investment operations
   Net investment income                   .031          .025          .037
Distributions from
   Net investment income                 (.031)        (.025)        (.037)

Net asset value, ending                   $1.00         $1.00         $1.00

Total return                              3.13%          2.56%         3.79%
Ratios to average net assets:
   Net investment income                  3.07%         2.54%         3.74%
   Total expenses                           --           --            --
   Net expenses                            .87%          .87%          .87%
   Expenses reimbursed                     .18%          .20%          .16%
Net assets, ending (in thousands)      $143,779      $144,985      $171,340
Number of shares outstanding,
   ending (in thousands)                143,826       145,031       171,407


Class A Shares


Net asset value, beginning               $31.35        $32.81        $28.77

Income from investment operations
   Net investment income                    .41           .78           .87
   Net realized and unrealized gain (loss)  .24          2.28          4.25

     Total from investment operations       .65          3.06          5.12
Distributions from
   Net investment income                  (.40)         (.77)         (.87)
   Net realized gain                     (2.10)        (3.75)         (.21)

     Total distributions                 (2.50)        (4.52)        (1.08)
Total increase (decrease) 
in net asset value                       (1.85)        (1.46)         4.04
Net asset value, ending                  $29.50        $31.35        $32.81


Total return*                          1.88%           10.27%        18.21%
Ratios to average net assets:
   Net investment income               2.61%(a)         2.58%         2.89%
   Total expenses                      1.18%(a)         1.28%         1.28%
   Net expenses                        1.16%(a)         1.26%         1.26%
   Expenses reimbursed                        -         .01%          .02%
Portfolio turnover                          89%          111%          114%
Average commission rate paid             $.0513        $.0489             -
Net assets, ending (in thousands)      $581,118      $594,482      $560,981
Number of shares outstanding,
   ending (in thousands)                 19,702        18,964        17,099



Class A Shares
Net asset value, beginning               $30.85        $29.35        $28.42

Income from investment operations
   Net investment income                    .93           .95          1.07
   Net realized and unrealized gain (loss)(1.83)         1.91          1.82
     Total from investment operations      (.90)         2.86          2.89
Distributions from
   Net investment income                  (.95)         (.95)        (1.95)
   Net realized gain                      (.23)         (.41)         (.01)

     Total distributions                 (1.18)        (1.36)        (1.96)
Total increase (decrease) 
in net asset value                       (2.08)         1.50           .93
Net asset value, ending                 $28.77        $30.85        $29.35


Total return*                           (2.95%)         9.98%        10.71%
Ratios to average net assets:
   Net investment income                  3.14%         3.25%         3.90%
   Total expenses                           --            --            --
   Net expenses                           1.24%         1.25%         1.28%
   Expenses reimbursed                       --           --            --
Portfolio turnover                          34%           33%           14%
Average commission rate paid                  -
Net assets, ending (in thousands)       $512,027      $536,170     $419,514
Number of shares outstanding,
   ending (in thousands)                 17,800        17,378       14,292



                                  March 31,           September 30,
Class C Shares                    1997       1996      1995           1994**
     

Net asset value, beginning        $31.05     $32.60       $28.65     $30.43

Income from investment operations
   Net investment income             .23        .46          .54        .51
   Net realized and unrealized 
gain (loss)                          .23       2.17         4.20      (1.66)

   Total from investment operations  .46       2.63         4.74      (1.15)
Distributions from
   Net investment income            (.21)      (.43)        (.58)      (.63)
   Net realized gain               (2.10)     (3.75)        (.21)         --

     Total distributions           (2.31)     (4.18)        (.79)      (.63)
Total increase (decrease)
 in net asset value                (1.85)     (1.55)        3.95      (1.78)
Net asset value, ending           $29.20     $31.05       $32.60     $28.65


Total return*                       1.29%      8.85%       16.85%    (3.30%)
Ratios to average net assets:
   Net investment income         1.42%(a)      1.34%        1.61%   1.83%(a)
   Total expenses                2.38%(a)      2.52%        2.51%         --
   Net expenses                  2.36%(a)      2.50%        2.50%   2.47%(a)
   Expenses reimbursed            .01%(a)       .14%         .42%   1.46%(a)
Portfolio turnover                    89%       111%         114%        34%
Average commission rate paid       $.0513     $.0489            -         -
Net assets, ending (in thousands)  $7,347     $6,715       $4,065    $1,893
Number of shares outstanding,
   ending (in thousands)              252        216          125         66



Bond Portfolio

Class A Shares                          Period ended     Period ended
                                        March 31         September 30, 
                                          1997           1996        1995

Net asset value, beginning               $16.06        $16.34        $15.49

Income from investment operations
   Net investment income                    .48           .92           .96
   Net realized and unrealized gain (loss) (.11)         (.29)          .91

Total from investment operations            .37           .63          1.87
Distributions from
   Net investment income                   (.48)         (.91)         (.93)
   Net realized gain                          -             -          (.06)
   Tax return of capital                      -             -          (.03)

     Total distributions                  (.48)         (.91)        (1.02)
Total increase (decrease) 
in net asset value                        (.11)         (.28)          .85
Net asset value, ending                 $15.95        $16.06        $16.34

Total return*                             2.28%        3.96%         12.57%
Ratios to average net assets:
   Net investment income               5.86%(a)         5.60%         6.04%
   Total expenses                      1.28%(a)         1.29%         1.24%
   Net expenses                        1.24%(a)         1.26%         1.22%
Portfolio turnover                                        22%           29%
Net assets, ending (in thousands)       $59,450       $62,259       $62,929
Number of shares outstanding,
   ending (in thousands)                  3,728         3,876         3,850



                                        Years Ended
                                        September 30,

Class A Shares                          1994           1993           1992


Net asset value, beginning               $17.77        $17.05        $16.48

Income from investment operations
   Net investment income                    .94          1.08          1.15
   Net realized and unrealized gain (loss)(1.81)          .85           .78

     Total from investment operations      (.87)        1.93           1.93
Distributions from
   Net investment income                  (.94)        (1.08)        (1.15)
   Net realized gain                      (.47)         (.13)         (.21)
   Tax return of capital                    --

     Total distributions                 (1.41)        (1.21)        (1.36)
Total increase (decrease) in net
 asset value                             (2.28)          .72           .57

Net asset value, ending                  $15.49        $17.77        $17.05


Total return*                            (5.18%)        11.89%     12.29%
Ratios to average net assets:
   Net investment income                  5.64%         6.33%         6.90%
   Total expenses                           --           --           --
   Net expenses                           1.10%          .79%          .75%
   Expenses reimbursed                                   .20%          .24%
Portfolio turnover                          19%           28%           29%
Net assets, ending (in thousands)       $61,573       $67,134       $50,572
Number of shares outstanding,
   ending (in thousands)                  3,976         3,778         2,965




Bond Porfolio
                                                  Periods ended
                                  
                                   October        September 30,
                                   29,
Class C Shares                     1996      1996           1995      1994**


Net asset value, beginning        $15.90     $16.20       $15.43     $16.71

Income from investment operations
   Net investment income             .06        .72          .80        .45
   Net realized and unrealized
gain (loss)                          .21       (.31)         .87      (1.23)

     Total from investment operation .27        .41         1.67       (.78)

Distributions from
   Net investment income            (.05)      (.71)        (.81)      (.50)
   Net realized gain                   -          -       (.06)         __
   Tax return of capital               -          -       (.03)         --

     Total distributions            (.05)       (.71)      (.90)       (.50)
Total increase (decrease) 
in net asset value                   .22        (.30)       .77       (1.28)

Net asset value, ending           $16.12      $15.90     $16.20      $15.43


Total return*                       1.73%       2.58%     11.21%      (4.13%)

Ratios to average net assets:
   Net investment income            4.84%(a)    4.18%      4.60%       4.63%(a)

   Total expenses                   2.56%(a)    2.53%      2.52%         --

   Net expenses                     2.51%(a)    2.50%      2.50%       2.41%(a)
   Expenses reimbursed               .96%(a)     .75%      2.14%       9.60%(a)
Portfolio turnover                                22%        29%         19%
Net assets, ending (in thousands)  $1,427      $1,441       $910        $315
Number of shares outstanding,
   ending (in thousands)              89         91           56         20


(a) Annualized
     * Total return is not annualized and does not reflect  deduction of Class A
front-end sales charge.


Equity Portfolio                             Periods Ended
                                        March 31,      September 30,
Class A Shares                          1997           1996           1995

Net asset value, beginning               $22.54        $21.12        $20.13

Income from investment operations
   Net investment income                    .02           .03           .06
   Net realized and unrealized gain (loss) 1.23          3.26          2.22

     Total from investment operations      1.25          3.29          2.28

Distributions from
   Net investment income                     -           (.06)         (.04)
   Net realized gain                      (1.50)        (1.81)        (1.25)

     Total distributions                 (1.50)        (1.87)        (1.29)

Total increase (decrease)
 in net asset value                       (.25)         1.42           .99

Net asset value, ending                 $22.29       $22.54         $21.12


Total return*                             5.42%       16.62%         12.43%

Ratios to average net assets:
   Net investment income                .19%(a)          .15%          .32%
   Total expenses                      1.22%(a)         1.29%         1.38%

   Net expenses                        1.20%(a)         1.27%         1.36%
Portfolio turnover                          63%          118%           35%
Average commission rate paid             $.0583        $.0556             -
Net assets, ending (in thousands)     $112,327      $101,344        $90,951
Number of shares outstanding,
   ending (in thousands)                 5,040         4,496         4,307



Equity Portfolio
                                        Years Ended
                                        September 30,


Class A Shares                           1994          1993         1992

Net asset value, beginning               $21.43        $20.03        $18.89

Income from investment operations
   Net investment income                    .13           .21           .17
   Net realized and unrealized gain (loss)(1.04)         1.36          1.20

     Total from investment operations      (.91)         1.57          1.37

Distributions from
   Net investment income                  (.28)         (.17)         (.23)
   Net realized gain                      (.11)            --           --

     Total distributions                  (.39)         (.17)         (.23)

Total increase (decrease) 
in net asset value                       (1.30)         1.40          1.14

Net asset value, ending                 $20.13        $21.43        $20.03


Total return*                            (4.33%)        7.82%         7.36%

Ratios to average net assets:
   Net investment income                   .65%         1.06%         1.02%
   Total expenses                            --           --            --

   Net expenses                           1.27%         1.13%         1.17%
   Expenses reimbursed                                     --           --
Portfolio turnover                          94%           43%           24%
Average commission rate paid                  -             -            -
Net assets, ending (in thousands)       $92,970       $85,042       $64,629
Number of shares outstanding,
   ending (in thousands)                  4,620         3,968         3,226




Equity Portfolio

                                   March 31,          September 30,
Class C Shares                     1997      1996         1995        1994**


Net asset value, beginning        $21.71     $20.66       $19.98     $22.12

Income from investment operations.
   Net investment income             .02      (.16)        (.03)      (.06)
   Net realized and 
unrealized gain (loss)              1.04      3.04          2.05      (2.08)

 Total from investment operations   1.06      2.88          2.02      (2.14)

Distributions from
   Net investment income               -    (.02)        (.09)         --
   Net realized gain              (1.50)     (1.81)       (1.25)       --

     Total distributions          (1.50)     (1.83)       (1.34)       --

Total increase (decrease) 
in net asset value                (.44)       1.05          .68        (2.14)

Net asset value, ending         $21.27      $21.71       $20.66       $19.98


Total return*                     4.73%      14.85%       11.16%       (9.14%)

Ratios to average net assets:
   Net investment income (loss)  (1.02%)(a)  (1.42%)     (.84%)     (1.06%)(a)
   Total expenses                 2.44%(a)    2.86%      2.51%         --

   Net expenses                   2.42%(a)    2.85%      2.50%       2.75%(a)
   Expenses reimbursed                 -         -       1.07%       4.60%(a)
Portfolio turnover                   63%       118%        35%         94%
Average commission rate paid       $.0583    $.0556          -             -
Net assets, ending (in thousands) $4,256    $2,996      $1,802        $670
Number of shares outstanding,
   ending (in thousands)             200        138           87         34


(a) Annualized
*    Total return is not annualized for periods of less than one year and does 
not reflect deduction of Class A front-end sales charge.

Effective September 30, 1995, this ratio reflects total expenses before 
reduction for fees paid indirectly:  such reductions are included in the ratio
of net expenses.
** From March 1, 1994, inception


                     Real Goods: A Sustainable Future Begins at Home

Want to change the world?  Start by changing your light bulbs.

     For  John   Schaeffer,   president   and  founder  of  Real  Goods  Trading
Corporation,  building a sustainable  future begins at home.  Schaeffer  created
Real  Goods  in  1978  to  provide  alternative  energy  products  to his  local
California neighbors.  The company has since grown to become the world's largest
retailer of renewable energy products,  providing consumers with more than 3,500
different products including  photovoltaic panels,  efficient lighting products,
and water conservation devices.

     For nearly two decades,  Real Goods has made  environmental  innovation and
education two of its top priorities,  publishing the Solar Living Sourcebook and
garnering a host of awards.

In 1996, for example, Real Goods:

      opened a 12-acre Solar Living  Center,  a workable  model of  sustainable
building,  agriculture, and renewable energy practices that is built entirely of
recycled and reused materials;
  
      won the Rodale Award for Environmental Excellence;

      became the first company in history to be approved by the SEC to publicly
trade its stock on the Internet.

     In 1996 CSIF invested $475,000 in Real Goods stock to support the company's
strong vision of  sustainability  and business savvy.  According to Wayne Silby,
Chair of the Special  Equities  Committee,  "We see lots of companies  with good
ideas  and a  vision.  But the  people  who  can  take  their  vision  into  the
marketplace  and get a good  response  are unusual and  valuable.  These are the
companies whose ideas will help define and shape our lives in the 21st century."

     As of March 31, 1997,  Real Goods  represented  .064% of net assets in CSIF
Managed Growth Portfolio.

Connections:

Real Goods Trading Corporation, 555 Leslie Street, Ukiah, CA  95482
Phone: 707-468-9292 or 800-762-7325
Web site: http://www.realgoods.com


     Environmental Enterprises Assistance Fund: Breaking New Ground for
                 Green Entrepreneurs

     For the first time in recorded  history,  many residents of San Pedro Sula,
Honduras,  can now wake up and drink fresh  water.  Water is the liquid of life,
but for the  people  of San Pedro  Sula and  millions  of  others in  developing
nations, fresh water is often in dramatically short supply.

     Thanks to funds provided by the Environmental  Enterprises  Assistance Fund
(EEAF), a nonprofit  organization operating as a venture capital fund, residents
of San Pedro Sula can now enjoy the health  benefits of safe drinking  water. In
1996, EEAF received $125,000 from CSIF's High Social Impact Investment  program.
These funds helped support EcoVerde,  an EEAF-assisted  project that is the only
privately  owned water and sewage utility in Honduras.  Apart from safe drinking
water,  the EcoVerde project has also enabled San Pedro Sula to treat its sewage
to international  standards -a rarity in Central  America.  EEAF has since used
CSIF's  initial  investment  to help  raise $10  million  in  environmental  and
community development projects in Central America.

     According to EEAF, CSIF's  investment  enabled the organization to open the
door to other environmental entrepreneurs in the region. "Calvert has the vision
to invest in areas where the effect of the  investment is felt  immediately on a
community level," said J.D. Doliner of EEAF.

     Calvert was attracted to EEAF's focus on green  investments  in areas often
neglected  by  traditional  sources  of  capital.  "EEAF is making  significant,
successful  loans that give  people the  resources  they  needed to build a more
sustainable  future,"  said CSIF  Trustee  Terry  Mollner,  chair of CSIF's High
Social Impact Investment Committee.

     EEAF  focuses  its  investments  in six  areas:  renewable  energy,  energy
efficiency,  sustainable agriculture and forestry,  recycling,  eco-tourism, and
pollution  control.  With 22 projects  stretching  from  Indonesia  to Poland to
Honduras and  $17million in assets under  management,  EEAF is helping  create a
greener future for communities like San Pedro Sula across the globe.


Connections:

Environmental Enterprises Assistance Fund
1901 N. Moore Street, Suite 1004, Arlington, VA  22209
Phone: 703-522-5928
Web site: http://www.ji.org/jinews/eeaf.htm






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