<PAGE> PAGE 1
000 A000000 12/31/98
000 C000000 862157
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 A
001 A000000 BT INSTITUTIONAL DAILY ASSETS FUND
001 B000000 811-06071
001 C000000 4108953709
002 A000000 1 SOUTH STREET
002 B000000 BALTIMORE
002 C000000 MD
002 D010000 21202
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 1
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
007 C011100 11
007 C021100 INSTITUTIONAL DAILY ASSETS
007 C031100 N
007 C011200 12
007 C011300 13
007 C011400 14
007 C011500 15
007 C011600 16
007 C011700 17
007 C011800 18
007 C011900 19
007 C012000 20
008 A00AA01 BANKERS TRUST COMPANY
008 B00AA01 A
008 C00AA01 801-xxxxxx
008 D01AA01 NEW YORK
008 D02AA01 NY
008 D03AA01 10017
010 A00AA01 BANKERS TRUST COMPANY
<PAGE> PAGE 2
010 C01AA01 NEW YORK
010 C02AA01 NY
010 C03AA01 10006
011 A00AA01 ICC DISTRIBUTORS
011 B00AA01 8-48427
011 C01AA01 PORTLAND
011 C02AA01 ME
011 C03AA01 04101
012 A00AA01 BANKERS TRUST COMPANY
012 B00AA01 84-xxxxxxx
012 C01AA01 NEW YORK
012 C02AA01 NY
012 C03AA01 10006
013 A00AA01 PRICE WATERHOUSE COOPERS LLP
013 B01AA01 KANSAS CITY
013 B02AA01 MO
013 B03AA01 64105
013 B04AA01 1716
015 A00AA01 BANKERS TRUST COMPANY
015 B00AA01 C
015 C01AA01 NEW YORK
015 C02AA01 NY
015 C03AA01 10017
015 E03AA01 X
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 59
019 C00AA00 BTTINFUNDS
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 EUROBROKERS
022 B000001 13-2829720
022 C000001 21948472
022 D000001 0
022 A000002 NOONANS
022 C000002 7840981
022 D000002 0
022 A000003 WESTDEUTSCHE
022 C000003 7546409
022 D000003 0
022 A000004 DEUTSCHE BANK
022 B000004 13-2944988
<PAGE> PAGE 3
022 C000004 7167130
022 D000004 89961
022 A000005 GOLDMAN SACHS
022 B000005 13-5108880
022 C000005 6462682
022 D000005 59504
022 A000006 GARVIN
022 B000006 13-3858846
022 C000006 6011155
022 D000006 0
022 A000007 TORONTO DOMINION
022 C000007 3561431
022 D000007 0
022 A000008 FIRST BOSTON CORP.
022 C000008 2182568
022 D000008 204543
022 A000009 DRESDNER
022 C000009 2023299
022 D000009 0
022 A000010 MERRILL LYNCH
022 C000010 1548214
022 D000010 203677
023 C000000 83345893
023 D000000 4245267
024 00AA00 N
025 D00AA01 0
025 D00AA02 0
025 D00AA03 0
025 D00AA04 0
025 D00AA05 0
025 D00AA06 0
025 D00AA07 0
025 D00AA08 0
026 A000000 N
026 B000000 N
026 C000000 Y
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
028 A01AA00 1128274
028 A02AA00 0
028 A03AA00 0
028 A04AA00 1107313
028 B01AA00 910406
028 B02AA00 0
028 B03AA00 0
028 B04AA00 1032806
<PAGE> PAGE 4
028 C01AA00 1504827
028 C02AA00 0
028 C03AA00 0
028 C04AA00 952258
028 D01AA00 662174
028 D02AA00 0
028 D03AA00 0
028 D04AA00 1703896
028 E01AA00 1275845
028 E02AA00 0
028 E03AA00 0
028 E04AA00 906470
028 F01AA00 1332243
028 F02AA00 0
028 F03AA00 0
028 F04AA00 1268477
028 G01AA00 6813769
028 G02AA00 0
028 G03AA00 0
028 G04AA00 6971220
028 H00AA00 0
029 00AA00 N
030 A00AA00 0
030 B00AA00 0.00
030 C00AA00 0.00
031 A00AA00 0
031 B00AA00 0
032 00AA00 0
033 00AA00 0
034 00AA00 N
035 00AA00 0
036 B00AA00 0
037 00AA00 N
038 00AA00 0
039 00AA00 N
040 00AA00 N
041 00AA00 N
042 A00AA00 0
042 B00AA00 0
042 C00AA00 0
042 D00AA00 0
042 E00AA00 0
042 F00AA00 0
042 G00AA00 0
042 H00AA00 0
043 00AA00 0
044 00AA00 0
045 00AA00 Y
046 00AA00 N
047 00AA00 Y
048 00AA00 0.100
<PAGE> PAGE 5
048 A01AA00 0
048 A02AA00 0.000
048 B01AA00 0
048 B02AA00 0.000
048 C01AA00 0
048 C02AA00 0.000
048 D01AA00 0
048 D02AA00 0.000
048 E01AA00 0
048 E02AA00 0.000
048 F01AA00 0
048 F02AA00 0.000
048 G01AA00 0
048 G02AA00 0.000
048 H01AA00 0
048 H02AA00 0.000
048 I01AA00 0
048 I02AA00 0.000
048 J01AA00 0
048 J02AA00 0.000
048 K01AA00 0
048 K02AA00 0.000
049 00AA00 N
050 00AA00 N
051 00AA00 N
052 00AA00 N
053 A00AA00 Y
053 B00AA00 Y
053 C00AA00 N
054 A00AA00 Y
054 B00AA00 Y
054 C00AA00 Y
054 D00AA00 N
054 E00AA00 N
054 F00AA00 N
054 G00AA00 Y
054 H00AA00 Y
054 I00AA00 N
054 J00AA00 Y
054 K00AA00 N
054 L00AA00 Y
054 M00AA00 Y
054 N00AA00 N
054 O00AA00 N
055 A00AA00 N
055 B00AA00 N
056 00AA00 Y
057 00AA00 N
058 A00AA00 N
059 00AA00 Y
060 A00AA00 Y
<PAGE> PAGE 6
060 B00AA00 Y
061 00AA00 1000000
062 A00AA00 Y
062 B00AA00 0.0
062 C00AA00 0.0
062 D00AA00 4.0
062 E00AA00 0.0
062 F00AA00 1.3
062 G00AA00 16.1
062 H00AA00 0.0
062 I00AA00 35.1
062 J00AA00 24.6
062 K00AA00 0.0
062 L00AA00 23.0
062 M00AA00 0.0
062 N00AA00 0.0
062 O00AA00 0.0
062 P00AA00 0.0
062 Q00AA00 0.0
062 R00AA00 0.0
063 A00AA00 31
063 B00AA00 0.0
064 A00AA00 N
064 B00AA00 N
066 A00AA00 N
067 00AA00 N
068 A00AA00 N
068 B00AA00 N
069 00AA00 N
070 A01AA00 Y
070 A02AA00 Y
070 B01AA00 N
070 B02AA00 N
070 C01AA00 N
070 C02AA00 N
070 D01AA00 N
070 D02AA00 N
070 E01AA00 N
070 E02AA00 N
070 F01AA00 N
070 F02AA00 N
070 G01AA00 N
070 G02AA00 N
070 H01AA00 N
070 H02AA00 N
070 I01AA00 N
070 I02AA00 N
070 J01AA00 N
070 J02AA00 N
070 K01AA00 Y
070 K02AA00 N
<PAGE> PAGE 7
070 L01AA00 Y
070 L02AA00 Y
070 M01AA00 N
070 M02AA00 N
070 N01AA00 N
070 N02AA00 N
070 O01AA00 N
070 O02AA00 N
070 P01AA00 N
070 P02AA00 N
070 Q01AA00 N
070 Q02AA00 N
070 R01AA00 N
070 R02AA00 N
071 A00AA00 0
071 B00AA00 0
071 C00AA00 0
071 D00AA00 0
072 A00AA00 6
072 B00AA00 160815
072 C00AA00 0
072 D00AA00 0
072 E00AA00 0
072 F00AA00 2954
072 G00AA00 566
072 H00AA00 0
072 I00AA00 0
072 J00AA00 0
072 K00AA00 0
072 L00AA00 17
072 M00AA00 5
072 N00AA00 0
072 O00AA00 0
072 P00AA00 0
072 Q00AA00 0
072 R00AA00 25
072 S00AA00 10
072 T00AA00 0
072 U00AA00 13
072 V00AA00 0
072 W00AA00 5
072 X00AA00 3595
072 Y00AA00 12
072 Z00AA00 157232
072AA00AA00 47
072BB00AA00 0
072CC01AA00 0
072CC02AA00 0
072DD01AA00 157239
072DD02AA00 0
072EE00AA00 0
<PAGE> PAGE 8
073 A01AA00 0.0271
073 A02AA00 0.0000
073 B00AA00 0.0000
073 C00AA00 0.0000
074 A00AA00 0
074 B00AA00 0
074 C00AA00 5574140
074 D00AA00 0
074 E00AA00 0
074 F00AA00 0
074 G00AA00 0
074 H00AA00 0
074 I00AA00 0
074 J00AA00 0
074 K00AA00 0
074 L00AA00 23642
074 M00AA00 0
074 N00AA00 5597782
074 O00AA00 0
074 P00AA00 575
074 Q00AA00 0
074 R01AA00 0
074 R02AA00 0
074 R03AA00 0
074 R04AA00 25358
074 S00AA00 0
074 T00AA00 5571849
074 U01AA00 0
074 U02AA00 0
074 V01AA00 0.00
074 V02AA00 0.00
074 W00AA00 1.0000
074 X00AA00 2
074 Y00AA00 0
075 A00AA00 5791884
075 B00AA00 0
076 00AA00 0.00
077 A000000 N
078 000000 N
080 C00AA00 0
081 B00AA00 0
082 B00AA00 0
083 A00AA00 N
083 B00AA00 0
084 A00AA00 N
084 B00AA00 0
085 A00AA00 Y
085 B00AA00 N
086 A010000 0
086 A020000 0
086 B010000 0
<PAGE> PAGE 9
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 BRIAN WIXTED
TITLE PRINCIPAL
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0081106071
<NAME> INSTITUTIONAL DAILY ASSET FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1999
<PERIOD-END> DEC-31-1998
<INVESTMENTS-AT-COST> 5,574,140,096
<INVESTMENTS-AT-VALUE> 5,574,140,096
<RECEIVABLES> 23,502,794
<ASSETS-OTHER> 139,518
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5,597,782,408
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 25,927,038
<TOTAL-LIABILITIES> 25,927,038
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5,571,775,829
<SHARES-COMMON-STOCK> 5,571,775,828
<SHARES-COMMON-PRIOR> 5,729,227,671
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 5,571,848,590
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 160,81,833
<OTHER-INCOME> 0
<EXPENSES-NET> 3,583,155
<NET-INVESTMENT-INCOME> 157,231,678
<REALIZED-GAINS-CURRENT> 46,720
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 157,278,398
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (157,238,678)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 6,813,769,557
<NUMBER-OF-SHARES-REDEEMED> (6,971,221,399)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (157,418,901)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 79,541
<OVERDISTRIB-NII-PRIOR> (6,780)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,954,443
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,595,499
<AVERAGE-NET-ASSETS> 5,791,883,736
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> (0.03)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.12
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
