<PAGE>
000 A000000 01/31/97
000 C000000 0001010297
000 D000000 N
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000 I000000 3.0
000 J000000 U
001 A000000 DOMINI INSTITUTIONAL SOCIAL EQUITY FUND
001 B000000 811-07599
001 C000000 6174230800
002 A000000 6 ST. JAMES AVENUE
002 B000000 BOSTON
002 C000000 MA
002 D010000 02116
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 1
007 C010100 1
007 C020100 DOMINI INSTITUTIONAL SOCIAL EQUITY FUND
007 C030100 N
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
010 A00AA01 SIGNATURE BROKER-DEALER SERVICES, INC.
010 B00AA01 41134
010 C01AA01 BOSTON
010 C02AA01 MA
010 C03AA01 02116
011 A00AA01 SIGNATURE BROKER-DEALER SERVICES, INC.
011 B00AA01 8-41134
011 C01AA01 BOSTON
011 C02AA01 MA
011 C03AA01 02116
012 A00AA01 FUNDAMENTAL SHAREHOLDER SERVICES, INC.
012 B00AA01 84-1806
012 C01AA01 NEW YORK
012 C02AA01 NY
012 C03AA01 10006
013 A00AA01 KPMG PEAT MARWICK
013 B01AA01 BOSTON
<PAGE>
013 B02AA01 MA
013 B03AA01 02108
015 A00AA01 INVESTORS BANK & TRUST CO.
015 B00AA01 C
015 C01AA01 BOSTON
015 C02AA01 MA
015 C03AA01 02111
015 E01AA01 X
018 00AA00 N
019 A00AA00 Y
019 B00AA00 2
019 C00AA00 DOMINI FDS
020 C000001 0
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 DOMINI SOCIAL INDEX PORTFOLIO
022 B000001 04-3081260
022 C000001 18605
022 D000001 1592
022 C000002 0
022 D000002 0
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024 00AA00 N
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<PAGE>
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<PAGE>
058 A00AA00 N
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061 00AA00 2000000
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062 O00AA00 0.0
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028 E020100 93
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028 G010100 18612
028 G020100 93
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<PAGE>
028 G040100 1534
028 H000100 0
066 A000100 N
067 000100 N
068 A000100 N
068 B000100 N
069 000100 N
070 A010100 N
070 A020100 N
070 B010100 Y
070 B020100 N
070 C010100 N
070 C020100 N
070 D010100 N
070 D020100 N
070 E010100 N
070 E020100 N
070 F010100 N
070 F020100 N
070 G010100 N
070 G020100 N
070 H010100 N
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 N
070 J020100 N
070 K010100 Y
070 K020100 Y
070 L010100 Y
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070 M010100 N
070 M020100 N
070 N010100 N
070 N020100 N
070 O010100 N
070 O020100 N
070 P010100 N
070 P020100 N
070 Q010100 N
070 Q020100 N
070 R010100 Y
070 R020100 N
071 A000100 0
071 B000100 0
071 C000100 0
071 D000100 0
072 A000100 6
072 B000100 0
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072 D000100 0
<PAGE>
072 E000100 145
072 F000100 0
072 G000100 0
072 H000100 0
072 I000100 0
072 J000100 0
072 K000100 0
072 L000100 0
072 M000100 0
072 N000100 0
072 O000100 0
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072 Q000100 0
072 R000100 0
072 S000100 0
072 T000100 0
072 U000100 0
072 V000100 0
072 W000100 7
072 X000100 7
072 Y000100 0
072 Z000100 138
072AA000100 52
072BB000100 0
072CC010100 4872
072CC020100 0
072DD010100 143
072DD020100 0
072EE000100 2
073 A010100 0.0670
073 A020100 0.0000
073 B000100 0.0010
073 C000100 0.0000
074 A000100 0
074 B000100 0
074 C000100 0
074 D000100 0
074 E000100 0
074 F000100 0
074 G000100 0
074 H000100 0
074 I000100 40063
074 J000100 0
074 K000100 0
074 L000100 0
074 M000100 0
074 N000100 40063
074 O000100 0
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<PAGE>
074 R020100 0
074 R030100 0
074 R040100 1
074 S000100 0
074 T000100 40062
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074 U020100 0
074 V010100 12.01
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SIGNATURE JOHN R. ELDER
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the
January 31, 1997 Domini Institutional Social Equity Fund Semi-Annual Report and
is qualified in its entirety by reference to such Semi-Annual Report.
</LEGEND>
<CIK>0001010297
<NAME> DOMINI INSTITUTIONAL TRUST
<SERIES>
<NUMBER> 1
<NAME> DOMINI INSTITUTIONAL SOCIAL EQUITY FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUL-31-1997
<PERIOD-START> AUG-01-1996
<PERIOD-END> JAN-31-1996
<INVESTMENTS-AT-COST> 35,987,674
<INVESTMENTS-AT-VALUE> 40,063,413
<RECEIVABLES> 0
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 40,063,413
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,190
<TOTAL-LIABILITIES> 1,190
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 35,903,133
<SHARES-COMMON-STOCK> 3,335,508
<SHARES-COMMON-PRIOR> 1,872,933
<ACCUMULATED-NII-CURRENT> 18,695
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 64,659
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 4,075,739
<NET-ASSETS> 40,062,226
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 0
<OTHER-INCOME> 144,874
<EXPENSES-NET> 7,106
<NET-INVESTMENT-INCOME> 137,768
<REALIZED-GAINS-CURRENT> 52,392
<APPREC-INCREASE-CURRENT> 4,872,431
<NET-CHANGE-FROM-OPS> 5,062,591
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 142,610
<DISTRIBUTIONS-OF-GAINS> 2,129
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,608,834
<NUMBER-OF-SHARES-REDEEMED> 154,022
<SHARES-REINVESTED> 7,763
<NET-CHANGE-IN-ASSETS> 22,089,332
<ACCUMULATED-NII-PRIOR> 23,536
<ACCUMULATED-GAINS-PRIOR> 14,395
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 75,316
<AVERAGE-NET-ASSETS> 24,197,524
<PER-SHARE-NAV-BEGIN> 9.60
<PER-SHARE-NII> 0.057
<PER-SHARE-GAIN-APPREC> 2.421
<PER-SHARE-DIVIDEND> 0.067
<PER-SHARE-DISTRIBUTIONS> 0.001
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 12.01
<EXPENSE-RATIO> 0.39
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
