<PAGE> PAGE 1
000 A000000 06/30/1999
000 C000000 1042805
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 CYPRESSTREE SENIOR FLOATING RATE FUND
001 B000000 811-08309
001 C000000 6172104520
002 A000000 286 CONGRESS STREET
002 B000000 BOSTON
002 C000000 MA
002 D010000 02210
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
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 CYPRESSTREE ASSET MANAGEMENT CORP., INC
008 B000001 A
008 C000001 801-54698
008 D010001 BOSTON
008 D020001 MA
008 D030001 02110
008 A000002 CYPRESSTREE INVESTMENT MANAGEMENT CO., INC
008 B000002 S
008 C000002 801-53325
008 D010002 BOSTON
008 D020002 MA
008 D030002 02110
010 A000001 CYPRESSTREE ASSET MANAGEMENT CORP, INC.
010 B000001 801-54698
010 C010001 BOSTON
010 C020001 MA
010 C030001 02110
011 A000001 CYPRESSTREE ASSET MANAGEMENT CORP. INC.
011 B000001 8-01-54698
<PAGE> PAGE 2
011 C010001 BOSTON
011 C020001 MA
011 C030001 02210
012 A000001 STATE STREET BANK & TRUST COMPANY
012 B000001 85-05003
012 C010001 BOSTON
012 C020001 MA
012 C030001 02109
013 A000001 DELOITTE & TOUCHE, LLP
013 B010001 BOSTON
013 B020001 MA
013 B030001 02110
014 A000001 CYPRESSTREE FUNDS DISTRIBUTORS, INC.
014 B000001 8-50114
015 A000001 STATE STREET BANK & TRUST
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02109
015 E010001 X
018 000000 Y
019 A000000 N
019 B000000 0
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 SSGA MONEY MARKET FUND
022 C000001 46355
022 D000001 21390
022 A000002 STATE STREET BANK
022 C000002 31570
022 D000002 0
022 A000003 CHASE MANHATTAN BANK
022 C000003 6620
022 D000003 0
022 A000004 LEHMAN BROTHERS
022 C000004 2750
022 D000004 0
022 A000005 BANKERS TRUST
022 C000005 2000
022 D000005 0
022 A000006 GOLDMAN SACHS
022 C000006 1500
<PAGE> PAGE 3
022 D000006 0
022 A000007 BANK OF AMERICA
022 C000007 1250
022 D000007 0
022 A000008 CREDIT SUISSE
022 C000008 890
022 D000008 0
022 A000009 MORGAN GUARANTY
022 C000009 820
022 D000009 0
022 A000010 TORONTO DOMINION
022 C000010 750
022 D000010 0
023 C000000 95505
023 D000000 23518
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 N
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 N
028 A010000 0
028 A020000 0
028 A030000 0
028 A040000 0
028 B010000 0
028 B020000 0
028 B030000 0
028 B040000 0
028 C010000 0
028 C020000 0
028 C030000 0
028 C040000 0
028 D010000 0
028 D020000 0
028 D030000 0
028 D040000 0
028 E010000 0
<PAGE> PAGE 4
028 E020000 0
028 E030000 0
028 E040000 0
028 F010000 0
028 F020000 0
028 F030000 0
028 F040000 0
028 G010000 0
028 G020000 0
028 G030000 0
028 G040000 0
028 H000000 0
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
035 000000 0
036 B000000 0
038 000000 0
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
046 000000 N
047 000000 Y
048 000000 0.000
048 A010000 1000000
048 A020000 0.850
048 B010000 1000000
048 B020000 0.800
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
<PAGE> PAGE 5
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 2000000
048 K020000 0.750
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 Y
053 B000000 Y
053 C000000 N
054 A000000 N
054 B000000 N
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 N
054 N000000 N
054 O000000 N
055 A000000 N
055 B000000 N
056 000000 Y
057 000000 N
058 A000000 N
058 B000000 N
058 C000000 N
058 D000000 N
058 E000000 N
059 000000 Y
060 A000000 N
060 B000000 N
061 000000 5000
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 29.9
<PAGE> PAGE 6
062 J000000 0.0
062 K000000 0.0
062 L000000 13.6
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 0.0
062 Q000000 55.4
062 R000000 0.0
063 A000000 0
063 B000000 6.8
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
070 J020000 Y
070 K010000 Y
070 K020000 Y
070 L010000 Y
070 L020000 N
070 M010000 Y
070 M020000 N
070 N010000 N
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 N
070 P020000 N
070 Q010000 N
<PAGE> PAGE 7
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 13624
071 B000000 2128
071 C000000 11976
071 D000000 18
072 A000000 6
072 B000000 565
072 C000000 0
072 D000000 0
072 E000000 12
072 F000000 69
072 G000000 33
072 H000000 0
072 I000000 7
072 J000000 16
072 K000000 0
072 L000000 0
072 M000000 15
072 N000000 21
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 9
072 S000000 0
072 T000000 0
072 U000000 25
072 V000000 0
072 W000000 11
072 X000000 206
072 Y000000 178
072 Z000000 549
072AA000000 7
072BB000000 0
072CC010000 50
072CC020000 0
072DD010000 550
072DD020000 0
072EE000000 0
073 A010000 0.3400
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 102
074 B000000 0
074 C000000 14543
074 D000000 0
074 E000000 0
074 F000000 0
074 G000000 0
<PAGE> PAGE 8
074 H000000 0
074 I000000 18510
074 J000000 11
074 K000000 77
074 L000000 241
074 M000000 186
074 N000000 33670
074 O000000 0
074 P000000 0
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 245
074 S000000 0
074 T000000 33425
074 U010000 3352
074 U020000 0
074 V010000 9.97
074 V020000 0.00
074 W000000 0.0000
074 X000000 526
074 Y000000 0
075 A000000 0
075 B000000 16715
076 000000 9.97
077 A000000 N
078 000000 N
080 A000000 GREAT AMERICAN INSURANCE
080 C000000 8000
081 A000000 Y
081 B000000 23
082 A000000 Y
082 B000000 10
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
086 A010000 2761
086 A020000 27509
086 B010000 200
086 B020000 1989
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
<PAGE> PAGE 9
086 F020000 0
087 A010000 SHARES OF BENEFICIAL INTEREST
087 A020000 23280Q105
SIGNATURE CHRISTINA ROWNTREE
TITLE FUND ADMIN. MANAGER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial informtion extracted from the Fund's
Semi-annual Financial Statements, and is qualified in its entirety by reference
to such financial statements.
</LEGEND>
<CIK> 0001042805
<NAME> CYPRESSTREE SENIOR FLOATING RATE FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 33038631
<INVESTMENTS-AT-VALUE> 33053164
<RECEIVABLES> 327947
<ASSETS-OTHER> 288750
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 33670131
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 244825
<TOTAL-LIABILITIES> 244825
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 33420559
<SHARES-COMMON-STOCK> 3351566
<SHARES-COMMON-PRIOR> 758187
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (9786)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 14533
<NET-ASSETS> 33425306
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 565364
<OTHER-INCOME> 12102
<EXPENSES-NET> 27956
<NET-INVESTMENT-INCOME> 549510
<REALIZED-GAINS-CURRENT> 7302
<APPREC-INCREASE-CURRENT> 49851
<NET-CHANGE-FROM-OPS> 606663
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 549510
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2760845
<NUMBER-OF-SHARES-REDEEMED> 199556
<SHARES-REINVESTED> 32089
<NET-CHANGE-IN-ASSETS> 25896999
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (17088)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 69463
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 206323
<AVERAGE-NET-ASSETS> 16714980
<PER-SHARE-NAV-BEGIN> 9.93
<PER-SHARE-NII> 0.34
<PER-SHARE-GAIN-APPREC> 0.04
<PER-SHARE-DIVIDEND> 0.34
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.97
<EXPENSE-RATIO> 0.34
</TABLE>