<PAGE> PAGE 1
000 A000000 05/31/97
000 C000000 0000909597
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 THE PRIME MONEY MARKET PORTFOLIO
001 B000000 811-7898
001 C000000 8099496644
002 A000000 ELIZABETH SQUARE 2ND FLOOR SHEDDON ROAD
002 B000000 GEORGE TOWN
002 E010000 GRAND CAYMAN
002 E020000 E9
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C020100 THE PRIME MONEY MARKET PORTFOLIO
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
008 A000001 MORGAN GUARANTY TRUST COMPANY OF NEW YORK
008 B000001 A
008 C000001 801-999999
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10036
010 A000001 FUNDS DISTRIBUTOR INC.
010 B000001 8-420518
010 C010001 BOSTON
010 C020001 MA
010 C030001 02116
010 A000002 MORGAN GUARANTY TRUST COMPANY OF NEW YORK
010 B000002 8-49999
010 C010002 NEW YORK
010 C020002 NY
010 C030002 10036
010 A000003 PIERPONT GROUP
<PAGE> PAGE 2
010 C010003 NEW YORK
010 C020003 NY
010 C030003 10017
011 A000001 FUNDS DISTRIBUTOR INC.
011 B000001 8-420518
011 C010001 BOSTON
011 C020001 MA
011 C030001 02116
012 A000001 STATE STREET BANK AND TRUST COMPANY
012 B000001 85-50003
012 C010001 BOSTON
012 C020001 MA
012 C030001 02101
013 A000001 PRICE WATERHOUSE LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10036
014 A000001 J.P. MORGAN SECURITIES, INC.
014 B000001 8-99999999
014 A000002 JP MORGAN SECURITIES LTD
014 B000002 8-99999999
014 A000003 FUNDS DISTRIBUTOR INC.
014 B000003 8-420518
014 A000004 BOSTON INSTITUTIONAL SERVICES INC.
014 B000004 8-99999999
015 A000001 STATE STREET BANK AND TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 NY
015 C030001 02101
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 70
019 C000000 JPM\PIERPO
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 GOLDMAN SACHS
022 C000001 65737440
022 D000001 281125
022 A000002 LEHMAN BROTHERS INC
022 C000002 3704982
<PAGE> PAGE 3
022 D000002 435753
022 A000003 CHASE MANHATTAN BANK N.A.
022 C000003 3288724
022 D000003 37736
022 A000004 BANKERS TRUST COMPANY
022 C000004 3072297
022 D000004 45003
022 A000005 HSBC SECURITIES INC.
022 C000005 2665023
022 D000005 49850
022 A000006 DIRECT ISSUE
022 C000006 1605810
022 D000006 0
022 A000007 FIRST CHICAGO CAPITAL MAR.
022 C000007 1419741
022 D000007 0
022 A000008 MORGAN STANLEY AND CO.
022 C000008 781975
022 D000008 92873
022 A000009 CREDIT AGRICOLE SECURITIE
022 C000009 540760
022 D000009 0
022 A000010 MERRILL LYNCH PIERCE FENN
022 C000010 339766
022 D000010 191213
023 C000000 85526945
023 D000000 1352189
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 Y
027 000000 Y
028 A010000 2064882
028 A020000 0
028 A030000 0
028 A040000 2063399
028 B010000 2086086
<PAGE> PAGE 4
028 B020000 0
028 B030000 0
028 B040000 1753356
028 C010000 1693697
028 C020000 0
028 C030000 0
028 C040000 1717578
028 D010000 1533400
028 D020000 0
028 D030000 0
028 D040000 1717714
028 E010000 1594679
028 E020000 0
028 E030000 0
028 E040000 1568061
028 F010000 1420943
028 F020000 0
028 F030000 0
028 F040000 1678949
028 G010000 10393687
028 G020000 0
028 G030000 0
028 G040000 10499057
028 H000000 0
029 000000 N
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
034 000000 N
035 000000 0
036 B000000 0
037 000000 N
038 000000 0
039 000000 N
040 000000 N
041 000000 N
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 0
044 000000 0
045 000000 Y
<PAGE> PAGE 5
046 000000 N
047 000000 Y
048 000000 0.000
048 A010000 1000000
048 A020000 0.200
048 B010000 0
048 B020000 0.000
048 C010000 0
048 C020000 0.000
048 D010000 0
048 D020000 0.000
048 E010000 0
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 1000000
048 K020000 0.100
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 Y
053 B000000 Y
053 C000000 N
054 A000000 Y
054 B000000 N
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 N
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 N
055 A000000 N
055 B000000 N
056 000000 Y
057 000000 N
<PAGE> PAGE 6
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 0
062 A000000 Y
062 B000000 0.2
062 C000000 3.4
062 D000000 0.9
062 E000000 0.0
062 F000000 6.2
062 G000000 35.5
062 H000000 0.0
062 I000000 32.4
062 J000000 6.1
062 K000000 0.0
062 L000000 1.3
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 13.4
062 Q000000 0.0
062 R000000 0.0
063 A000000 55
063 B000000 0.0
064 A000000 N
064 B000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 Y
070 B010000 N
070 B020000 N
070 C010000 N
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 N
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 N
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
<PAGE> PAGE 7
070 J020000 Y
070 K010000 Y
070 K020000 N
070 L010000 Y
070 L020000 Y
070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 N
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 0
071 B000000 0
071 C000000 0
071 D000000 0
072 A000000 6
072 B000000 111885
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 2523
072 G000000 755
072 H000000 0
072 I000000 0
072 J000000 316
072 K000000 0
072 L000000 0
072 M000000 31
072 N000000 0
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 19
072 S000000 15
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 13
072 X000000 3672
072 Y000000 0
072 Z000000 108213
072AA000000 0
072BB000000 73
072CC010000 0
072CC020000 0
<PAGE> PAGE 8
072DD010000 0
072DD020000 0
072EE000000 0
073 A010000 0.0000
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 0
074 B000000 33705
074 C000000 3795792
074 D000000 0
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 22202
074 L000000 0
074 M000000 17
074 N000000 3851716
074 O000000 0
074 P000000 546
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 150
074 S000000 0
074 T000000 3851020
074 U010000 0
074 U020000 0
074 V010000 0.00
074 V020000 0.00
074 W000000 0.0000
074 X000000 3
074 Y000000 0
075 A000000 4062862
075 B000000 0
076 000000 0.00
077 A000000 N
078 000000 N
080 A000000 NATIONAL UNION
080 C000000 25000
081 A000000 Y
081 B000000 55
082 A000000 Y
082 B000000 25
083 A000000 N
083 B000000 0
084 A000000 N
<PAGE> PAGE 9
084 B000000 0
085 A000000 Y
085 B000000 N
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
SIGNATURE RICHARD W. INGRAM
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial data extracted from the semi-annual
report dated 5/31/97 for The Prime Money Market Portfolio and is qualified in
its entirety by reference to such semi-annual report.
</LEGEND>
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> NOV-30-1997
<PERIOD-END> MAY-31-1997
<INVESTMENTS-AT-COST> 3829498
<INVESTMENTS-AT-VALUE> 3829498
<RECEIVABLES> 22202
<ASSETS-OTHER> 17
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3851717
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 697
<TOTAL-LIABILITIES> 697
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 0
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 3851020
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 111885
<OTHER-INCOME> 0
<EXPENSES-NET> 3672
<NET-INVESTMENT-INCOME> 108213
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 108141
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 2770
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2523
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3672
<AVERAGE-NET-ASSETS> 4062862
<PER-SHARE-NAV-BEGIN> 0
<PER-SHARE-NII> 0
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 0
<EXPENSE-RATIO> .18
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
