<PAGE> PAGE 1
000 A000000 08/31/96
000 C000000 0000913961
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 MASTER INVESTMENT TRUST, SERIES I
001 B000000 811-8086
001 C000000 8099497888
002 A000000 PO BOX 30122 SMB
002 B000000 GRAND CAYMAN
002 E010000 BRITISH WEST INDIES
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 5
007 C010100 1
007 C020100 ASSET ALLOCATION PORTFOLIO
007 C030100 N
007 C010200 2
007 C020200 BLUE CHIP PORTFOLIO
007 C030200 N
007 C010300 3
007 C020300 INVESTMENT GRADE BOND PORTFOLIO
007 C030300 N
007 C010400 4
007 C020400 CORPORATE BOND PORTFOLIO
007 C030400 Y
007 C010500 5
007 C020500 INTERNATIONAL EQUITY PORTFOLIO
007 C030500 Y
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A00AA01 BANK OF AMERICA NAT'L. TRUST & SAVINGS ASSOC.
008 B00AA01 A
008 C00AA01 801-84000
008 D01AA01 SAN FRANCISCO
008 D02AA01 CA
008 D03AA01 94104
010 A00AA01 CONCORD HOLDING CORPORATION
010 C01AA01 COLUMBUS
010 C02AA01 OH
010 C03AA01 43219
<PAGE> PAGE 2
011 A00AA01 DELETE
012 A00AA01 DELETE
013 A00AA01 PRICE WATERHOUSE LLP
013 B01AA01 NEW YORK
013 B02AA01 NY
013 B03AA01 10036
014 A00AA01 DELETE
015 A00AA01 PNC BANK, N.A.
015 B00AA01 C
015 C01AA01 PHILADELPHIA
015 C02AA01 PA
015 C03AA01 19101
015 E01AA01 X
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 5
019 C00AA00 PACHORIZON
020 A000001 MORGAN STANLEY
020 B000001 13-322416
020 C000001 100
020 A000002 GOLDMAN SACHS
020 B000002 13-5108880
020 C000002 48
020 A000003 SALOMON BROS.
020 B000003 13-3082694
020 C000003 27
020 A000004 DEAN WITTER REYNOLDS
020 C000004 18
020 A000005 NOMURA SECURITIES INTERNATIONAL
020 C000005 16
020 A000006 BERNSTEIN SANDFORD & CO.
020 C000006 16
020 A000007 DONALDSON LUFKIN & JENERETTE
020 B000007 13-2741729
020 C000007 16
020 A000008 SMITH BARNEY SHEARSON
020 C000008 12
020 A000009 PAINE WEBBER HACKSON CURTIS
020 C000009 12
020 A000010 PRUDENTIAL SECURITIES
020 B000010 22-2347336
020 C000010 10
021 000000 398
022 A000001 MORGAN STANLEY
022 C000001 136961
022 D000001 38138
022 A000002 MERRILL LYNCH
022 C000002 155961
022 D000002 5511
022 A000003 SPEAR LEADS & KELLOGG
022 C000003 56885
<PAGE> PAGE 3
022 D000003 31629
022 A000004 GOLDMAN SACHS
022 C000004 45907
022 D000004 22989
022 A000005 SALOMON BROS.
022 C000005 33523
022 D000005 28860
022 A000006 PAINE WEBBER
022 C000006 42586
022 D000006 13958
022 A000007 CANTOR FITZGERALD
022 C000007 20489
022 D000007 21066
022 A000008 LEHMAN BROS.
022 C000008 23333
022 D000008 6573
022 A000009 MORGAN SECURITIES
022 C000009 8137
022 D000009 13381
022 A000010 DEAN WITTER REYNOLDS
022 C000010 4970
022 D000010 12971
023 C000000 645232
023 D000000 285674
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 N
027 000000 Y
029 00AA00 N
030 A00AA00 0
030 B00AA00 0.00
030 C00AA00 0.00
034 00AA00 N
035 00AA00 0
036 B00AA00 0
037 00AA00 N
038 00AA00 0
039 00AA00 N
040 00AA00 N
041 00AA00 N
049 00AA00 N
050 00AA00 N
051 00AA00 N
052 00AA00 N
053 A00AA00 Y
<PAGE> PAGE 4
053 B00AA00 Y
053 C00AA00 N
054 A00AA00 N
054 B00AA00 N
054 C00AA00 N
054 D00AA00 N
054 E00AA00 N
054 F00AA00 N
054 G00AA00 N
054 H00AA00 N
054 I00AA00 N
054 J00AA00 N
054 K00AA00 N
054 L00AA00 N
054 M00AA00 N
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
060 B00AA00 Y
061 00AA00 0
077 A000000 Y
077 B000000 Y
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 Y
077 Q020000 N
077 Q030000 N
078 000000 N
080 A00AA00 CHUBB GROUP OF INSURANCE CO.
080 B00AA00 GULF INSURANCE CO.
080 C00AA00 6000
081 A00AA00 Y
081 B00AA00 5
<PAGE> PAGE 5
082 A00AA00 Y
082 B00AA00 10
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
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
024 000100 Y
025 A000101 MORGAN STANLEY
025 C000101 D
025 D000101 1457
025 A000102 LEHMAN BROS.
025 C000102 D
025 D000102 975
025 A000103 DEAN WITTER
025 C000103 E
025 D000103 1640
025 D000104 0
025 D000105 0
025 D000106 0
025 D000107 0
025 D000108 0
028 A010100 2256
028 A020100 0
028 A030100 0
028 A040100 2538
028 B010100 3891
028 B020100 0
028 B030100 0
028 B040100 4065
028 C010100 2252
028 C020100 0
028 C030100 0
028 C040100 2668
028 D010100 1943
028 D020100 0
028 D030100 0
028 D040100 2162
<PAGE> PAGE 6
028 E010100 1829
028 E020100 0
028 E030100 0
028 E040100 2533
028 F010100 1619
028 F020100 0
028 F030100 0
028 F040100 1973
028 G010100 13790
028 G020100 0
028 G030100 0
028 G040100 15939
028 H000100 0
045 000100 Y
046 000100 N
047 000100 Y
048 000100 0.550
048 A010100 0
048 A020100 0.000
048 B010100 0
048 B020100 0.000
048 C010100 0
048 C020100 0.000
048 D010100 0
048 D020100 0.000
048 E010100 0
048 E020100 0.000
048 F010100 0
048 F020100 0.000
048 G010100 0
048 G020100 0.000
048 H010100 0
048 H020100 0.000
048 I010100 0
048 I020100 0.000
048 J010100 0
048 J020100 0.000
048 K010100 0
048 K020100 0.000
062 A000100 N
062 B000100 0.0
062 C000100 0.0
062 D000100 0.0
062 E000100 0.0
062 F000100 0.0
062 G000100 0.0
062 H000100 0.0
062 I000100 0.0
062 J000100 0.0
062 K000100 0.0
062 L000100 0.0
<PAGE> PAGE 7
062 M000100 0.0
062 N000100 0.0
062 O000100 0.0
062 P000100 0.0
062 Q000100 0.0
062 R000100 0.0
066 A000100 Y
066 B000100 N
066 C000100 N
066 D000100 N
066 E000100 Y
066 F000100 N
066 G000100 N
067 000100 Y
068 A000100 N
068 B000100 N
069 000100 N
070 A010100 Y
070 A020100 N
070 B010100 N
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 Y
070 G020100 N
070 H010100 Y
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 N
070 J020100 N
070 K010100 Y
070 K020100 N
070 L010100 N
070 L020100 N
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
<PAGE> PAGE 8
070 R010100 N
070 R020100 N
071 A000100 100898
071 B000100 97191
071 C000100 182598
071 D000100 54
072 A000100 6
072 B000100 2535
072 C000100 1021
072 D000100 0
072 E000100 0
072 F000100 508
072 G000100 46
072 H000100 0
072 I000100 0
072 J000100 15
072 K000100 0
072 L000100 0
072 M000100 1
072 N000100 10
072 O000100 0
072 P000100 0
072 Q000100 67
072 R000100 21
072 S000100 12
072 T000100 0
072 U000100 7
072 V000100 0
072 W000100 5
072 X000100 691
072 Y000100 397
072 Z000100 3263
072AA000100 8727
072BB000100 0
072CC010100 0
072CC020100 8383
072DD010100 0
072DD020100 0
072EE000100 0
073 A010100 0.0000
073 A020100 0.0000
073 B000100 0.0000
073 C000100 0.0000
074 A000100 73
074 B000100 0
074 C000100 7594
074 D000100 71917
074 E000100 0
074 F000100 104318
074 G000100 0
074 H000100 0
<PAGE> PAGE 9
074 I000100 0
074 J000100 7893
074 K000100 0
074 L000100 1250
074 M000100 29
074 N000100 193074
074 O000100 10449
074 P000100 0
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 113
074 S000100 0
074 T000100 182512
074 U010100 13621
074 U020100 0
074 V010100 13.40
074 V020100 0.00
074 W000100 0.0000
074 X000100 3
074 Y000100 0
075 A000100 0
075 B000100 183064
076 000100 0.00
024 000200 Y
025 A000201 MERRILL LYNCH
025 C000201 E
025 D000201 3461
025 A000202 MORGAN IP
025 C000202 E
025 D000202 3268
025 A000203 MORGAN STANLEY
025 C000203 E
025 D000203 3142
025 D000204 0
025 D000205 0
025 D000206 0
025 D000207 0
025 D000208 0
028 A010200 9322
028 A020200 0
028 A030200 0
028 A040200 4649
028 B010200 17325
028 B020200 0
028 B030200 0
028 B040200 4253
028 C010200 10092
028 C020200 0
028 C030200 0
<PAGE> PAGE 10
028 C040200 4399
028 D010200 8313
028 D020200 0
028 D030200 0
028 D040200 2910
028 E010200 14591
028 E020200 0
028 E030200 0
028 E040200 4230
028 F010200 18511
028 F020200 0
028 F030200 0
028 F040200 3247
028 G010200 78154
028 G020200 0
028 G030200 0
028 G040200 23688
028 H000200 0
045 000200 Y
046 000200 N
047 000200 Y
048 000200 0.750
048 A010200 0
048 A020200 0.000
048 B010200 0
048 B020200 0.000
048 C010200 0
048 C020200 0.000
048 D010200 0
048 D020200 0.000
048 E010200 0
048 E020200 0.000
048 F010200 0
048 F020200 0.000
048 G010200 0
048 G020200 0.000
048 H010200 0
048 H020200 0.000
048 I010200 0
048 I020200 0.000
048 J010200 0
048 J020200 0.000
048 K010200 0
048 K020200 0.000
062 A000200 N
062 B000200 0.0
062 C000200 0.0
062 D000200 0.0
062 E000200 0.0
062 F000200 0.0
062 G000200 0.0
<PAGE> PAGE 11
062 H000200 0.0
062 I000200 0.0
062 J000200 0.0
062 K000200 0.0
062 L000200 0.0
062 M000200 0.0
062 N000200 0.0
062 O000200 0.0
062 P000200 0.0
062 Q000200 0.0
062 R000200 0.0
066 A000200 Y
066 B000200 N
066 C000200 Y
066 D000200 N
066 E000200 N
066 F000200 N
066 G000200 N
067 000200 N
068 A000200 N
068 B000200 N
069 000200 N
070 A010200 Y
070 A020200 N
070 B010200 N
070 B020200 N
070 C010200 N
070 C020200 N
070 D010200 N
070 D020200 N
070 E010200 N
070 E020200 N
070 F010200 N
070 F020200 N
070 G010200 Y
070 G020200 Y
070 H010200 Y
070 H020200 Y
070 I010200 N
070 I020200 N
070 J010200 N
070 J020200 N
070 K010200 Y
070 K020200 N
070 L010200 N
070 L020200 N
070 M010200 N
070 M020200 N
070 N010200 N
070 N020200 N
070 O010200 N
<PAGE> PAGE 12
070 O020200 N
070 P010200 N
070 P020200 N
070 Q010200 N
070 Q020200 N
070 R010200 N
070 R020200 N
071 A000200 157989
071 B000200 116134
071 C000200 309070
071 D000200 38
072 A000200 6
072 B000200 303
072 C000200 3372
072 D000200 0
072 E000200 0
072 F000200 1156
072 G000200 77
072 H000200 0
072 I000200 0
072 J000200 33
072 K000200 0
072 L000200 1
072 M000200 15
072 N000200 0
072 O000200 0
072 P000200 0
072 Q000200 93
072 R000200 15
072 S000200 25
072 T000200 0
072 U000200 7
072 V000200 0
072 W000200 5
072 X000200 1427
072 Y000200 484
072 Z000200 2732
072AA000200 12400
072BB000200 0
072CC010200 0
072CC020200 5969
072DD010200 0
072DD020200 0
072EE000200 0
073 A010200 0.0000
073 A020200 0.0000
073 B000200 0.0000
073 C000200 0.0000
074 A000200 0
074 B000200 0
074 C000200 18326
<PAGE> PAGE 13
074 D000200 0
074 E000200 195
074 F000200 320037
074 G000200 0
074 H000200 0
074 I000200 0
074 J000200 6218
074 K000200 0
074 L000200 1502
074 M000200 29
074 N000200 346307
074 O000200 6762
074 P000200 0
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 394
074 S000200 0
074 T000200 339151
074 U010200 22185
074 U020200 0
074 V010200 15.29
074 V020200 0.00
074 W000200 0.0000
074 X000200 4
074 Y000200 0
075 A000200 0
075 B000200 305729
076 000200 0.00
024 000300 Y
025 A000301 MORGAN STANLEY
025 C000301 D
025 D000301 1943
025 A000302 DELETE
025 D000302 0
025 D000303 0
025 D000304 0
025 D000305 0
025 D000306 0
025 D000307 0
025 D000308 0
028 A010300 4482
028 A020300 0
028 A030300 0
028 A040300 1112
028 B010300 2466
028 B020300 0
028 B030300 0
028 B040300 2834
028 C010300 1640
<PAGE> PAGE 14
028 C020300 0
028 C030300 0
028 C040300 2238
028 D010300 517
028 D020300 0
028 D030300 0
028 D040300 1280
028 E010300 20500
028 E020300 0
028 E030300 0
028 E040300 1431
028 F010300 6206
028 F020300 0
028 F030300 0
028 F040300 1317
028 G010300 35811
028 G020300 0
028 G030300 0
028 G040300 10212
028 H000300 0
045 000300 Y
046 000300 N
047 000300 Y
048 000300 0.450
048 A010300 0
048 A020300 0.000
048 B010300 0
048 B020300 0.000
048 C010300 0
048 C020300 0.000
048 D010300 0
048 D020300 0.000
048 E010300 0
048 E020300 0.000
048 F010300 0
048 F020300 0.000
048 G010300 0
048 G020300 0.000
048 H010300 0
048 H020300 0.000
048 I010300 0
048 I020300 0.000
048 J010300 0
048 J020300 0.000
048 K010300 0
048 K020300 0.000
062 A000300 Y
062 B000300 0.0
062 C000300 0.0
062 D000300 0.0
062 E000300 0.0
<PAGE> PAGE 15
062 F000300 0.0
062 G000300 0.0
062 H000300 0.0
062 I000300 2.4
062 J000300 0.0
062 K000300 0.0
062 L000300 0.0
062 M000300 54.3
062 N000300 4.4
062 O000300 0.0
062 P000300 29.5
062 Q000300 9.4
062 R000300 0.0
063 A000300 0
063 B000300 4.8
064 A000300 Y
064 B000300 N
066 A000300 N
067 000300 N
068 A000300 N
068 B000300 N
069 000300 N
070 A010300 Y
070 A020300 N
070 B010300 N
070 B020300 N
070 C010300 N
070 C020300 N
070 D010300 N
070 D020300 N
070 E010300 N
070 E020300 N
070 F010300 N
070 F020300 N
070 G010300 N
070 G020300 N
070 H010300 N
070 H020300 N
070 I010300 N
070 I020300 N
070 J010300 N
070 J020300 N
070 K010300 Y
070 K020300 N
070 L010300 N
070 L020300 N
070 M010300 N
070 M020300 N
070 N010300 N
070 N020300 N
070 O010300 N
<PAGE> PAGE 16
070 O020300 N
070 P010300 N
070 P020300 N
070 Q010300 N
070 Q020300 N
070 R010300 N
070 R020300 N
071 A000300 49367
071 B000300 22090
071 C000300 74212
071 D000300 30
072 A000300 6
072 B000300 2274
072 C000300 0
072 D000300 0
072 E000300 0
072 F000300 167
072 G000300 19
072 H000300 0
072 I000300 0
072 J000300 7
072 K000300 0
072 L000300 0
072 M000300 4
072 N000300 0
072 O000300 0
072 P000300 0
072 Q000300 25
072 R000300 10
072 S000300 4
072 T000300 0
072 U000300 7
072 V000300 0
072 W000300 3
072 X000300 246
072 Y000300 162
072 Z000300 2190
072AA000300 0
072BB000300 643
072CC010300 0
072CC020300 1413
072DD010300 0
072DD020300 0
072EE000300 0
073 A010300 0.0000
073 A020300 0.0000
073 B000300 0.0000
073 C000300 0.0000
074 A000300 54
074 B000300 0
074 C000300 2199
<PAGE> PAGE 17
074 D000300 88068
074 E000300 0
074 F000300 0
074 G000300 0
074 H000300 0
074 I000300 0
074 J000300 0
074 K000300 0
074 L000300 1743
074 M000300 32
074 N000300 92096
074 O000300 0
074 P000300 0
074 Q000300 0
074 R010300 0
074 R020300 0
074 R030300 0
074 R040300 74
074 S000300 0
074 T000300 92022
074 U010300 8135
074 U020300 0
074 V010300 11.31
074 V020300 0.00
074 W000300 0.0000
074 X000300 4
074 Y000300 0
075 A000300 0
075 B000300 73629
076 000300 0.00
024 000400 Y
025 A000401 MERRILL LYNCH
025 C000401 D
025 D000401 1439
025 A000402 GOLDMAN SACHS
025 C000402 D
025 D000402 1471
025 A000403 LEHMAN BROS.
025 C000403 D
025 D000403 977
025 D000404 0
025 D000405 0
025 D000406 0
025 D000407 0
025 D000408 0
028 A010400 193
028 A020400 0
028 A030400 0
028 A040400 555
028 B010400 413
028 B020400 0
<PAGE> PAGE 18
028 B030400 0
028 B040400 878
028 C010400 231
028 C020400 0
028 C030400 0
028 C040400 646
028 D010400 104
028 D020400 0
028 D030400 0
028 D040400 1164
028 E010400 733
028 E020400 0
028 E030400 0
028 E040400 654
028 F010400 663
028 F020400 0
028 F030400 0
028 F040400 803
028 G010400 2337
028 G020400 0
028 G030400 0
028 G040400 4700
028 H000400 0
045 000400 Y
046 000400 N
047 000400 Y
048 000400 0.450
048 A010400 0
048 A020400 0.000
048 B010400 0
048 B020400 0.000
048 C010400 0
048 C020400 0.000
048 D010400 0
048 D020400 0.000
048 E010400 0
048 E020400 0.000
048 F010400 0
048 F020400 0.000
048 G010400 0
048 G020400 0.000
048 H010400 0
048 H020400 0.000
048 I010400 0
048 I020400 0.000
048 J010400 0
048 J020400 0.000
048 K010400 0
048 K020400 0.000
062 A000400 Y
062 B000400 0.0
<PAGE> PAGE 19
062 C000400 0.0
062 D000400 0.0
062 E000400 0.0
062 F000400 0.0
062 G000400 0.0
062 H000400 0.0
062 I000400 4.7
062 J000400 0.0
062 K000400 0.0
062 L000400 0.0
062 M000400 0.0
062 N000400 0.0
062 O000400 3.5
062 P000400 85.4
062 Q000400 6.4
062 R000400 0.0
063 A000400 0
063 B000400 11.5
064 A000400 Y
064 B000400 N
066 A000400 N
067 000400 N
068 A000400 N
068 B000400 N
069 000400 N
070 A010400 Y
070 A020400 N
070 B010400 N
070 B020400 N
070 C010400 N
070 C020400 N
070 D010400 N
070 D020400 N
070 E010400 N
070 E020400 N
070 F010400 N
070 F020400 N
070 G010400 N
070 G020400 N
070 H010400 N
070 H020400 N
070 I010400 N
070 I020400 N
070 J010400 N
070 J020400 N
070 K010400 Y
070 K020400 N
070 L010400 N
070 L020400 N
070 M010400 N
070 M020400 N
<PAGE> PAGE 20
070 N010400 N
070 N020400 N
070 O010400 N
070 O020400 N
070 P010400 N
070 P020400 N
070 Q010400 N
070 Q020400 N
070 R010400 N
070 R020400 N
071 A000400 10041
071 B000400 11181
071 C000400 30389
071 D000400 34
072 A000400 6
072 B000400 1125
072 C000400 0
072 D000400 0
072 E000400 0
072 F000400 70
072 G000400 8
072 H000400 0
072 I000400 0
072 J000400 11
072 K000400 0
072 L000400 0
072 M000400 1
072 N000400 0
072 O000400 0
072 P000400 0
072 Q000400 13
072 R000400 8
072 S000400 3
072 T000400 0
072 U000400 0
072 V000400 0
072 W000400 2
072 X000400 116
072 Y000400 77
072 Z000400 1086
072AA000400 42
072BB000400 0
072CC010400 0
072CC020400 1393
072DD010400 0
072DD020400 0
072EE000400 0
073 A010400 0.0000
073 A020400 0.0000
073 B000400 0.0000
073 C000400 0.0000
<PAGE> PAGE 21
074 A000400 48
074 B000400 0
074 C000400 1399
074 D000400 27741
074 E000400 0
074 F000400 0
074 G000400 0
074 H000400 0
074 I000400 0
074 J000400 0
074 K000400 0
074 L000400 639
074 M000400 1
074 N000400 29828
074 O000400 0
074 P000400 0
074 Q000400 0
074 R010400 0
074 R020400 0
074 R030400 0
074 R040400 76
074 S000400 0
074 T000400 29752
074 U010400 2478
074 U020400 0
074 V010400 12.01
074 V020400 0.00
074 W000400 0.0000
074 X000400 2
074 Y000400 0
075 A000400 0
075 B000400 30574
076 000400 0.00
024 000500 Y
025 A000501 MORGAN STANLEY
025 C000501 E
025 D000501 153
025 A000502 NOMURA
025 C000502 E
025 D000502 122
025 D000503 0
025 D000504 0
025 D000505 0
025 D000506 0
025 D000507 0
025 D000508 0
028 A010500 0
028 A020500 0
028 A030500 0
028 A040500 0
028 B010500 0
<PAGE> PAGE 22
028 B020500 0
028 B030500 0
028 B040500 0
028 C010500 463
028 C020500 0
028 C030500 0
028 C040500 0
028 D010500 1240
028 D020500 0
028 D030500 0
028 D040500 16
028 E010500 4262
028 E020500 0
028 E030500 0
028 E040500 0
028 F010500 4128
028 F020500 0
028 F030500 0
028 F040500 728
028 G010500 10093
028 G020500 0
028 G030500 0
028 G040500 744
028 H000500 0
045 000500 Y
046 000500 N
047 000500 Y
048 000500 0.750
048 A010500 0
048 A020500 0.000
048 B010500 0
048 B020500 0.000
048 C010500 0
048 C020500 0.000
048 D010500 0
048 D020500 0.000
048 E010500 0
048 E020500 0.000
048 F010500 0
048 F020500 0.000
048 G010500 0
048 G020500 0.000
048 H010500 0
048 H020500 0.000
048 I010500 0
048 I020500 0.000
048 J010500 0
048 J020500 0.000
048 K010500 0
048 K020500 0.000
062 A000500 N
<PAGE> PAGE 23
062 B000500 0.0
062 C000500 0.0
062 D000500 0.0
062 E000500 0.0
062 F000500 0.0
062 G000500 0.0
062 H000500 0.0
062 I000500 0.0
062 J000500 0.0
062 K000500 0.0
062 L000500 0.0
062 M000500 0.0
062 N000500 0.0
062 O000500 0.0
062 P000500 0.0
062 Q000500 0.0
062 R000500 0.0
066 A000500 Y
066 B000500 N
066 C000500 N
066 D000500 Y
066 E000500 N
066 F000500 N
066 G000500 N
067 000500 N
068 A000500 N
068 B000500 Y
069 000500 N
070 A010500 Y
070 A020500 N
070 B010500 N
070 B020500 N
070 C010500 N
070 C020500 N
070 D010500 N
070 D020500 N
070 E010500 N
070 E020500 N
070 F010500 N
070 F020500 N
070 G010500 Y
070 G020500 N
070 H010500 Y
070 H020500 N
070 I010500 N
070 I020500 N
070 J010500 N
070 J020500 N
070 K010500 Y
070 K020500 Y
070 L010500 Y
<PAGE> PAGE 24
070 L020500 Y
070 M010500 Y
070 M020500 Y
070 N010500 N
070 N020500 N
070 O010500 N
070 O020500 N
070 P010500 N
070 P020500 N
070 Q010500 N
070 Q020500 N
070 R010500 N
070 R020500 N
071 A000500 12659
071 B000500 3831
071 C000500 4309
071 D000500 89
072 A000500 4
072 B000500 5
072 C000500 10
072 D000500 0
072 E000500 0
072 F000500 8
072 G000500 1
072 H000500 0
072 I000500 0
072 J000500 4
072 K000500 0
072 L000500 0
072 M000500 0
072 N000500 0
072 O000500 0
072 P000500 0
072 Q000500 0
072 R000500 5
072 S000500 0
072 T000500 0
072 U000500 6
072 V000500 0
072 W000500 27
072 X000500 51
072 Y000500 42
072 Z000500 6
072AA000500 0
072BB000500 23
072CC010500 0
072CC020500 102
072DD010500 0
072DD020500 0
072EE000500 0
073 A010500 0.0000
<PAGE> PAGE 25
073 A020500 0.0000
073 B000500 0.0000
073 C000500 0.0000
074 A000500 817
074 B000500 0
074 C000500 0
074 D000500 0
074 E000500 0
074 F000500 8732
074 G000500 0
074 H000500 0
074 I000500 0
074 J000500 0
074 K000500 0
074 L000500 74
074 M000500 11
074 N000500 9634
074 O000500 0
074 P000500 0
074 Q000500 0
074 R010500 0
074 R020500 0
074 R030500 0
074 R040500 404
074 S000500 0
074 T000500 9230
074 U010500 950
074 U020500 0
074 V010500 9.72
074 V020500 0.00
074 W000500 0.0000
074 X000500 1
074 Y000500 0
075 A000500 0
075 B000500 3235
076 000500 0.00
SIGNATURE WENDY SWONGER
TITLE SUPERVISOR
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000913961
<NAME> MASTER INVESTMENT TRUST, SERIES I
<SERIES>
<NUMBER> 011
<NAME> MASTER INVESTMENT TRUST ASSET ALLOCATION PORTFOLIO
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-28-1997
<PERIOD-START> MAR-01-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 176393070
<INVESTMENTS-AT-VALUE> 183829106
<RECEIVABLES> 9138572
<ASSETS-OTHER> 105992
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 193073670
<PAYABLE-FOR-SECURITIES> 10448530
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 113265
<TOTAL-LIABILITIES> 10561795
<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> 182511875
<DIVIDEND-INCOME> 1020836
<INTEREST-INCOME> 2535308
<OTHER-INCOME> 0
<EXPENSES-NET> 293640
<NET-INVESTMENT-INCOME> 3262504
<REALIZED-GAINS-CURRENT> 8726909
<APPREC-INCREASE-CURRENT> (8382622)
<NET-CHANGE-FROM-OPS> 3606791
<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> 1457461
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 507536
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 690507
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> .000
<PER-SHARE-NII> .000
<PER-SHARE-GAIN-APPREC> .000
<PER-SHARE-DIVIDEND> .000
<PER-SHARE-DISTRIBUTIONS> .000
<RETURNS-OF-CAPITAL> .000
<PER-SHARE-NAV-END> .000
<EXPENSE-RATIO> .320
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000913961
<NAME> MASTER INVESTMENT TRUST, SERIES I
<SERIES>
<NUMBER> 021
<NAME> MASTER INVESTMENT TRUST BLUE CHIP PORTFOLIO
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-28-1997
<PERIOD-START> MAR-01-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 298146861
<INVESTMENTS-AT-VALUE> 338557968
<RECEIVABLES> 7719529
<ASSETS-OTHER> 29473
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 346306970
<PAYABLE-FOR-SECURITIES> 6761707
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 393867
<TOTAL-LIABILITIES> 7155574
<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> 339151396
<DIVIDEND-INCOME> 3372255
<INTEREST-INCOME> 302621
<OTHER-INCOME> 0
<EXPENSES-NET> 943282
<NET-INVESTMENT-INCOME> 2731594
<REALIZED-GAINS-CURRENT> 12400049
<APPREC-INCREASE-CURRENT> (5968861)
<NET-CHANGE-FROM-OPS> 9162782
<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> 63629122
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1156068
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1427290
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> .000
<PER-SHARE-NII> .000
<PER-SHARE-GAIN-APPREC> .000
<PER-SHARE-DIVIDEND> .000
<PER-SHARE-DISTRIBUTIONS> .000
<RETURNS-OF-CAPITAL> .000
<PER-SHARE-NAV-END> .000
<EXPENSE-RATIO> .610
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000913961
<NAME> MASTER INVESTMENT TRUST, SERIES I
<SERIES>
<NUMBER> 031
<NAME> MASTER INVESTMENT TRUST INVESTMENT GRADE BOND PORTFOLIO
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-28-1997
<PERIOD-START> MAR-01-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 91680545
<INVESTMENTS-AT-VALUE> 90266512
<RECEIVABLES> 1743499
<ASSETS-OTHER> 85893
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 92095904
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 74292
<TOTAL-LIABILITIES> 74292
<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> 92021612
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 2274374
<OTHER-INCOME> 0
<EXPENSES-NET> 84108
<NET-INVESTMENT-INCOME> 2190266
<REALIZED-GAINS-CURRENT> (643236)
<APPREC-INCREASE-CURRENT> (1413251)
<NET-CHANGE-FROM-OPS> 133779
<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> 25732037
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 167152
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 245608
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> .000
<PER-SHARE-NII> .000
<PER-SHARE-GAIN-APPREC> .000
<PER-SHARE-DIVIDEND> .000
<PER-SHARE-DISTRIBUTIONS> .000
<RETURNS-OF-CAPITAL> .000
<PER-SHARE-NAV-END> .000
<EXPENSE-RATIO> .230
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000913961
<NAME> MASTER INVESTMENT TRUST, SERIES I
<SERIES>
<NUMBER> 041
<NAME> MASTER INVESTMENT TRUST CORPORATE BOND PORTFOLIO
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-28-1997
<PERIOD-START> MAR-01-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 28994371
<INVESTMENTS-AT-VALUE> 29140070
<RECEIVABLES> 639098
<ASSETS-OTHER> 48954
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 29828122
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 76135
<TOTAL-LIABILITIES> 76135
<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> 29751987
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1124641
<OTHER-INCOME> 0
<EXPENSES-NET> 38905
<NET-INVESTMENT-INCOME> 1085736
<REALIZED-GAINS-CURRENT> 42290
<APPREC-INCREASE-CURRENT> (1392839)
<NET-CHANGE-FROM-OPS> (264813)
<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> (2627834)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 69539
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 116171
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> .000
<PER-SHARE-NII> .000
<PER-SHARE-GAIN-APPREC> .000
<PER-SHARE-DIVIDEND> .000
<PER-SHARE-DISTRIBUTIONS> .000
<RETURNS-OF-CAPITAL> .000
<PER-SHARE-NAV-END> .000
<EXPENSE-RATIO> .250
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000913961
<NAME> MASTER INVESTMENT TRUST, SERIES I
<SERIES>
<NUMBER> 051
<NAME> MASTER INVESTMENT TRUST INTERNATIONAL EQUITY PORTFOLIO
<S> <C>
<PERIOD-TYPE> 4-MOS
<FISCAL-YEAR-END> FEB-28-1997
<PERIOD-START> MAY-13-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 8826977
<INVESTMENTS-AT-VALUE> 8731721
<RECEIVABLES> 85833
<ASSETS-OTHER> 816677
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 9634231
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 404151
<TOTAL-LIABILITIES> 404151
<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> 9230080
<DIVIDEND-INCOME> 9966
<INTEREST-INCOME> 5084
<OTHER-INCOME> 0
<EXPENSES-NET> 9262
<NET-INVESTMENT-INCOME> 5788
<REALIZED-GAINS-CURRENT> (23169)
<APPREC-INCREASE-CURRENT> (102157)
<NET-CHANGE-FROM-OPS> (119538)
<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> 9230080
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 8262
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 50967
<AVERAGE-NET-ASSETS> 0
<PER-SHARE-NAV-BEGIN> .000
<PER-SHARE-NII> .000
<PER-SHARE-GAIN-APPREC> .000
<PER-SHARE-DIVIDEND> .000
<PER-SHARE-DISTRIBUTIONS> .000
<RETURNS-OF-CAPITAL> .000
<PER-SHARE-NAV-END> .000
<EXPENSE-RATIO> .820
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
</FN>
</TABLE>
MASTER INVESTMENT TRUST, SERIES I
FORM N-SAR
Fiscal Period Ended August 31, 1996
Sub-Item 77D: Policies with respect to security investments
(e) Pursuant to an order by the Securities and Exchange
Commission (Release No. IC-22132, August 12, 1996), the
Investment Portfolios of Master Investment Trust, Series I
(each, a "Portfolio") may now use their uninvested cash
reserves to purchase shares of money market funds advised by
Bank of America National Trust & Savings Association. A
Portfolio's aggregate investment in one of such money market
funds cannot exceed the greater of 5% of such Portfolio's
total net assets or $2.5 million.
Sub-Item 77I: Terms of new or amended securities
(b) The International Equity Portfolio, an investment portfolio
of Master Investment Trust, Series I, began offering its
shares of beneficial interest on May 13, 1996. The
information required by Sub-Item 77I(b) is incorporated
herein by reference to Item Nos. 6 and 18 of Amendment No. 5
to the Registration Statement on Form N-1A of Master
Investment Trust, Series I (Registration No. 811-8086), as
filed with the Securities and Exchange Commission on June
28, 1996.