<PAGE> PAGE 1
000 A000000 12/31/99
000 C000000 0000790941
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 STATE STREET RESEARCH EQUITY TRUST
001 B000000 811-4624
001 C000000 6173571200
002 A000000 ONE FINANCIAL CENTER
002 B000000 BOSTON
002 C000000 MA
002 D010000 02111
002 D020000 2690
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 4
007 C010100 1
007 C010200 2
007 C020200 STATE STREET RESEARCH ARGO FUND
007 C030200 N
007 C010300 3
007 C020300 STATE STREET RESEARCH ALPHA FUND
007 C030300 N
007 C010400 4
007 C020400 STATE STREET RESEARCH GLOBAL RESOURCES FUND
007 C030400 N
007 C010500 5
007 C020500 STATE STREET RESEARCH ATHLETES FUND
007 C030500 N
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A00AA01 STATE STREET RESEARCH & MANAGEMENT COMPANY
008 B00AA01 A
008 C00AA01 801-18538
008 D01AA01 BOSTON
008 D02AA01 MA
008 D03AA01 02111
008 D04AA01 2690
011 A00AA01 STATE STREET RESEARCH INVESTMENT SERVICES INC
011 B00AA01 8-26468
011 C01AA01 BOSTON
<PAGE> PAGE 2
011 C02AA01 MA
011 C03AA01 02111
011 C04AA01 2690
012 A00AA01 STATE STREET RESEARCH SERVICE CENTER
012 B00AA01 85-26468
012 C01AA01 BOSTON
012 C02AA01 MA
012 C03AA01 02111
012 C04AA01 2690
013 A00AA01 PRICEWATERHOUSECOOPERS LLP
013 B01AA01 BOSTON
013 B02AA01 MA
013 B03AA01 02110
014 A00AA01 STATE STREET RESEARCH INVESTMENT SERVICES INC
014 B00AA01 8-35442
014 A00AA02 METROPOLITAN LIFE INSURANCE COMPANY
014 B00AA02 8-14901
014 A00AA03 DELETE
014 A00AA04 DELETE
014 A00AA05 DELETE
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 23
019 C00AA00 STATESTRES
020 A000001 MORGAN STANLEY DEAN WITTER & CO.
020 B000001 13-2655998
020 C000001 53
020 A000002 LEHMAN BROTHERS INC.
020 B000002 13-2518466
020 C000002 52
020 A000003 PRUDENTIAL SECURITIES INC.
020 B000003 22-2347336
020 C000003 46
020 A000004 AUTRANET, INC.
020 B000004 13-2961507
020 C000004 45
020 A000005 BEAR STEARNS SECURITIES CORP.
020 B000005 13-3299429
020 C000005 40
020 A000006 DONALDSON, LUFKIN & JENRETTE SECURITIES CORP.
020 B000006 13-2741729
020 C000006 32
020 A000007 RAYMOND JAMES & ASSOCIATES INC.
020 B000007 59-1237041
020 C000007 25
020 A000008 WEEDEN & CO. L.P.
020 B000008 13-3364318
020 C000008 21
020 A000009 STANDARD & POOR'S SECURITIES INC.
020 B000009 13-2671951
020 C000009 18
<PAGE> PAGE 3
020 A000010 CANTOR FITZGERALD & CO.
020 B000010 13-3680184
020 C000010 14
021 000000 891
022 A000001 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
022 B000001 13-5674085
022 C000001 16188
022 D000001 0
022 A000002 GOLDMAN SACHS & CO.
022 B000002 13-5108880
022 C000002 7250
022 D000002 0
022 A000003 AMERICAN EXPRESS FINANCIAL CORP.
022 B000003 13-2518466
022 C000003 5112
022 D000003 0
022 A000004 HOENIG & CO. INC.
022 B000004 13-2656060
022 C000004 1377
022 D000004 0
022 A000005 HENRY COOLE LUMSDEN , LTD.
022 C000005 1195
022 D000005 0
022 A000006 MORGAN STANLEY DEAN WITTER CO.
022 B000006 13-2655998
022 C000006 435
022 D000006 0
022 A000007 PAINE WEBBER
022 B000007 13-2638166
022 C000007 282
022 D000007 0
022 A000008 JP MORGAN SECURITIES
022 B000008 13-3224016
022 C000008 158
022 D000008 0
022 C000009 0
022 D000009 0
022 C000010 0
022 D000010 0
023 C000000 31997
023 D000000 0
026 A000000 N
026 B000000 Y
026 C000000 Y
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
<PAGE> PAGE 4
054 A00AA00 Y
054 B00AA00 Y
054 C00AA00 N
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 N
054 M00AA00 Y
054 N00AA00 N
054 O00AA00 N
055 A00AA00 N
055 B00AA00 N
056 00AA00 N
057 00AA00 N
063 A00AA00 0
063 B00AA00 0.0
070 A01AA00 Y
070 A02AA00 Y
070 B01AA00 Y
070 B02AA00 N
070 C01AA00 Y
070 C02AA00 N
070 D01AA00 Y
070 D02AA00 N
070 E01AA00 Y
070 E02AA00 N
070 F01AA00 Y
070 F02AA00 N
070 G01AA00 Y
070 G02AA00 N
070 H01AA00 Y
070 H02AA00 N
070 I01AA00 N
070 I02AA00 N
070 J01AA00 Y
070 J02AA00 Y
070 K01AA00 Y
070 K02AA00 Y
070 L01AA00 Y
070 L02AA00 N
070 M01AA00 Y
070 M02AA00 Y
070 N01AA00 Y
070 N02AA00 Y
070 O01AA00 Y
070 O02AA00 N
<PAGE> PAGE 5
070 P01AA00 Y
070 P02AA00 N
070 Q01AA00 N
070 Q02AA00 N
070 R01AA00 N
070 R02AA00 N
077 A000000 Y
077 B000000 N
077 C000000 Y
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 N
077 Q020000 N
077 Q030000 N
078 000000 N
080 A00AA00 FEDERAL INSURANCE COMPANY
080 C00AA00 25000
081 A00AA00 Y
081 B00AA00 32
082 A00AA00 N
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
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 000200 N
<PAGE> PAGE 6
025 A000201 DELETE
025 D000201 0
025 D000202 0
025 D000203 0
025 D000204 0
025 D000205 0
025 D000206 0
025 D000207 0
025 D000208 0
028 A010200 3449
028 A020200 0
028 A030200 0
028 A040200 2572
028 B010200 3300
028 B020200 34038
028 B030200 0
028 B040200 2698
028 C010200 2266
028 C020200 504
028 C030200 0
028 C040200 2789
028 D010200 5102
028 D020200 0
028 D030200 0
028 D040200 8186
028 E010200 1806
028 E020200 0
028 E030200 0
028 E040200 21556
028 F010200 2276
028 F020200 4345
028 F030200 0
028 F040200 9510
028 G010200 18199
028 G020200 38887
028 G030200 0
028 G040200 47311
028 H000200 4708
029 000200 Y
030 A000200 100
030 B000200 5.75
030 C000200 0.00
031 A000200 15
031 B000200 0
032 000200 41
033 000200 44
034 000200 Y
035 000200 63
036 A000200 N
036 B000200 0
037 000200 N
<PAGE> PAGE 7
038 000200 0
039 000200 N
040 000200 Y
041 000200 Y
042 A000200 0
042 B000200 0
042 C000200 0
042 D000200 74
042 E000200 2
042 F000200 0
042 G000200 24
042 H000200 0
043 000200 386
044 000200 165
058 A000200 N
061 000200 2500
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
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 N
066 D000200 N
066 E000200 Y
066 F000200 N
066 G000200 N
067 000200 N
068 A000200 N
068 B000200 N
069 000200 N
071 A000200 69590
071 B000200 100632
071 C000200 173840
071 D000200 40
072 A000200 6
072 B000200 121
<PAGE> PAGE 8
072 C000200 2075
072 D000200 0
072 E000200 0
072 F000200 591
072 G000200 0
072 H000200 0
072 I000200 238
072 J000200 70
072 K000200 0
072 L000200 14
072 M000200 19
072 N000200 38
072 O000200 0
072 P000200 0
072 Q000200 0
072 R000200 13
072 S000200 6
072 T000200 386
072 U000200 0
072 V000200 0
072 W000200 2
072 X000200 1377
072 Y000200 82
072 Z000200 901
072AA000200 0
072BB000200 650
072CC010200 0
072CC020200 26537
072DD010200 0
072DD020200 942
072EE000200 38821
073 A010200 0.1200
073 A020200 0.0400
073 B000200 3.9600
073 C000200 0.0000
074 A000200 1
074 B000200 0
074 C000200 4075
074 D000200 0
074 E000200 0
074 F000200 145390
074 G000200 0
074 H000200 0
074 I000200 524
074 J000200 77
074 K000200 42
074 L000200 350
074 M000200 30
074 N000200 150489
074 O000200 0
074 P000200 342
<PAGE> PAGE 9
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 808
074 S000200 0
074 T000200 149339
074 U010200 10171
074 U020200 0
074 V010200 14.86
074 V020200 14.38
074 W000200 0.0000
074 X000200 11748
074 Y000200 0
075 A000200 0
075 B000200 181722
076 000200 0.00
024 000300 N
028 A010300 4297
028 A020300 0
028 A030300 0
028 A040300 7189
028 B010300 4007
028 B020300 0
028 B030300 0
028 B040300 8864
028 C010300 3856
028 C020300 0
028 C030300 0
028 C040300 7201
028 D010300 2902
028 D020300 0
028 D030300 0
028 D040300 12795
028 E010300 4234
028 E020300 0
028 E030300 0
028 E040300 14921
028 F010300 4437
028 F020300 4989
028 F030300 0
028 F040300 17619
028 G010300 23733
028 G020300 4989
028 G030300 0
028 G040300 68589
028 H000300 6401
029 000300 Y
030 A000300 105
030 B000300 5.75
030 C000300 0.00
<PAGE> PAGE 10
031 A000300 16
031 B000300 0
032 000300 47
033 000300 42
034 000300 Y
035 000300 225
036 A000300 N
036 B000300 0
037 000300 N
038 000300 0
039 000300 N
040 000300 Y
041 000300 Y
042 A000300 1
042 B000300 0
042 C000300 0
042 D000300 85
042 E000300 2
042 F000300 0
042 G000300 12
042 H000300 0
043 000300 904
044 000300 233
058 A000300 N
059 000300 Y
060 A000300 Y
060 B000300 Y
061 000300 2500
062 A000300 N
062 B000300 0.0
062 C000300 0.0
062 D000300 0.0
062 E000300 0.0
062 F000300 0.0
062 G000300 0.0
062 H000300 0.0
062 I000300 0.0
062 J000300 0.0
062 K000300 0.0
062 L000300 0.0
062 M000300 0.0
062 N000300 0.0
062 O000300 0.0
062 P000300 0.0
062 Q000300 0.0
062 R000300 0.0
066 A000300 Y
066 B000300 N
066 C000300 N
066 D000300 N
066 E000300 N
<PAGE> PAGE 11
066 F000300 Y
066 G000300 N
067 000300 N
068 A000300 N
068 B000300 N
069 000300 N
071 A000300 51082
071 B000300 91506
071 C000300 279087
071 D000300 18
072 A000300 6
072 B000300 2158
072 C000300 1922
072 D000300 0
072 E000300 0
072 F000300 958
072 G000300 0
072 H000300 0
072 I000300 431
072 J000300 96
072 K000300 0
072 L000300 27
072 M000300 13
072 N000300 22
072 O000300 0
072 P000300 0
072 Q000300 0
072 R000300 16
072 S000300 7
072 T000300 904
072 U000300 0
072 V000300 0
072 W000300 6
072 X000300 2480
072 Y000300 102
072 Z000300 1702
072AA000300 20039
072BB000300 0
072CC010300 0
072CC020300 51363
072DD010300 3022
072DD020300 0
072EE000300 3981
073 A010300 0.2100
073 A020300 0.1300
073 B000300 0.2200
073 C000300 0.0000
074 A000300 2623
074 B000300 0
074 C000300 0
074 D000300 22951
<PAGE> PAGE 12
074 E000300 8297
074 F000300 217479
074 G000300 0
074 H000300 0
074 I000300 21247
074 J000300 312
074 K000300 0
074 L000300 1167
074 M000300 60
074 N000300 274136
074 O000300 0
074 P000300 531
074 Q000300 0
074 R010300 0
074 R020300 0
074 R030300 0
074 R040300 22074
074 S000300 0
074 T000300 251531
074 U010300 18026
074 U020300 0
074 V010300 13.98
074 V020300 13.89
074 W000300 0.0000
074 X000300 18200
074 Y000300 0
075 A000300 0
075 B000300 294847
076 000300 0.00
024 000400 N
025 A000401 DELETE
025 D000401 0
025 D000402 0
025 D000403 0
025 D000404 0
025 D000405 0
025 D000406 0
025 D000407 0
025 D000408 0
028 A010400 9453
028 A020400 0
028 A030400 0
028 A040400 11976
028 B010400 16266
028 B020400 0
028 B030400 0
028 B040400 18678
028 C010400 17193
028 C020400 0
028 C030400 0
028 C040400 16078
<PAGE> PAGE 13
028 D010400 8206
028 D020400 0
028 D030400 0
028 D040400 23635
028 E010400 4110
028 E020400 0
028 E030400 0
028 E040400 8752
028 F010400 2458
028 F020400 0
028 F030400 0
028 F040400 10852
028 G010400 57686
028 G020400 0
028 G030400 0
028 G040400 89971
028 H000400 12099
029 000400 Y
030 A000400 81
030 B000400 5.75
030 C000400 0.00
031 A000400 13
031 B000400 0
032 000400 58
033 000400 10
034 000400 Y
035 000400 171
036 A000400 N
036 B000400 0
037 000400 N
038 000400 0
039 000400 N
040 000400 Y
041 000400 Y
042 A000400 2
042 B000400 0
042 C000400 0
042 D000400 90
042 E000400 4
042 F000400 0
042 G000400 4
042 H000400 0
043 000400 510
044 000400 517
058 A000400 N
059 000400 Y
060 A000400 Y
060 B000400 Y
061 000400 2500
062 A000400 N
062 B000400 0.0
<PAGE> PAGE 14
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 0.0
062 J000400 0.0
062 K000400 0.0
062 L000400 0.0
062 M000400 0.0
062 N000400 0.0
062 O000400 0.0
062 P000400 0.0
062 Q000400 0.0
062 R000400 0.0
066 A000400 Y
066 B000400 N
066 C000400 N
066 D000400 Y
066 E000400 N
066 F000400 N
066 G000400 N
067 000400 N
068 A000400 N
068 B000400 N
069 000400 N
071 A000400 35389
071 B000400 63514
071 C000400 149770
071 D000400 24
072 A000400 6
072 B000400 35
072 C000400 260
072 D000400 0
072 E000400 0
072 F000400 582
072 G000400 0
072 H000400 0
072 I000400 249
072 J000400 71
072 K000400 0
072 L000400 27
072 M000400 7
072 N000400 55
072 O000400 0
072 P000400 0
072 Q000400 0
072 R000400 14
072 S000400 12
072 T000400 510
<PAGE> PAGE 15
072 U000400 0
072 V000400 0
072 W000400 4
072 X000400 1531
072 Y000400 0
072 Z000400 -1236
072AA000400 636
072BB000400 0
072CC010400 0
072CC020400 9078
072DD010400 0
072DD020400 0
072EE000400 0
073 A010400 0.0000
073 A020400 0.0000
073 B000400 0.0000
073 C000400 0.0000
074 A000400 0
074 B000400 0
074 C000400 0
074 D000400 0
074 E000400 0
074 F000400 120682
074 G000400 0
074 H000400 0
074 I000400 1458
074 J000400 1097
074 K000400 0
074 L000400 585
074 M000400 0
074 N000400 123822
074 O000400 0
074 P000400 1687
074 Q000400 0
074 R010400 0
074 R020400 0
074 R030400 0
074 R040400 4053
074 S000400 0
074 T000400 118082
074 U010400 10662
074 U020400 0
074 V010400 11.68
074 V020400 10.80
074 W000400 0.0000
074 X000400 15251
074 Y000400 0
075 A000400 0
075 B000400 155170
076 000400 0.00
024 000500 Y
<PAGE> PAGE 16
025 A000501 MORGAN STANLEY DEAN WITTER & CO.
025 B000501 13-2655998
025 C000501 E
025 D000501 457
025 A000502 STANDARD & POOR'S SECURITIES INC.
025 B000502 13-2671951
025 C000502 E
025 D000502 661
025 D000503 0
025 D000504 0
025 D000505 0
025 D000506 0
025 D000507 0
025 D000508 0
028 A010500 335
028 A020500 0
028 A030500 0
028 A040500 135
028 B010500 480
028 B020500 0
028 B030500 0
028 B040500 303
028 C010500 239
028 C020500 0
028 C030500 0
028 C040500 264
028 D010500 317
028 D020500 0
028 D030500 0
028 D040500 26
028 E010500 581
028 E020500 0
028 E030500 0
028 E040500 26
028 F010500 1022
028 F020500 0
028 F030500 0
028 F040500 14
028 G010500 2974
028 G020500 0
028 G030500 0
028 G040500 768
028 H000500 94
029 000500 Y
030 A000500 2
030 B000500 5.75
030 C000500 0.00
031 A000500 0
031 B000500 0
032 000500 1
033 000500 1
<PAGE> PAGE 17
034 000500 Y
035 000500 1
036 A000500 N
036 B000500 0
037 000500 N
038 000500 0
039 000500 N
040 000500 Y
041 000500 Y
042 A000500 0
042 B000500 0
042 C000500 0
042 D000500 31
042 E000500 9
042 F000500 0
042 G000500 60
042 H000500 0
043 000500 14
044 000500 19
061 000500 2500
062 A000500 N
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 N
069 000500 N
071 A000500 7194
071 B000500 5452
<PAGE> PAGE 18
071 C000500 19298
071 D000500 28
072 A000500 6
072 B000500 16
072 C000500 57
072 D000500 0
072 E000500 0
072 F000500 66
072 G000500 0
072 H000500 0
072 I000500 46
072 J000500 0
072 K000500 0
072 L000500 14
072 M000500 8
072 N000500 41
072 O000500 0
072 P000500 0
072 Q000500 0
072 R000500 8
072 S000500 10
072 T000500 14
072 U000500 9
072 V000500 0
072 W000500 2
072 X000500 218
072 Y000500 103
072 Z000500 -42
072AA000500 0
072BB000500 77
072CC010500 4262
072CC020500 0
072DD010500 0
072DD020500 0
072EE000500 0
073 A010500 0.0000
073 A020500 0.0000
073 B000500 0.0000
073 C000500 0.0000
074 A000500 14
074 B000500 0
074 C000500 0
074 D000500 0
074 E000500 0
074 F000500 24113
074 G000500 0
074 H000500 0
074 I000500 666
074 J000500 364
074 K000500 35
074 L000500 114
<PAGE> PAGE 19
074 M000500 0
074 N000500 25306
074 O000500 0
074 P000500 23
074 Q000500 0
074 R010500 0
074 R020500 0
074 R030500 0
074 R040500 153
074 S000500 0
074 T000500 25130
074 U010500 2237
074 U020500 0
074 V010500 11.26
074 V020500 11.07
074 W000500 0.0000
074 X000500 83
074 Y000500 0
075 A000500 0
075 B000500 20208
076 000500 0.00
SIGNATURE DOUGLAS A. ROMICH
TITLE ASSISTANT TREASURER
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 021
<NAME> STATE STREET RESEARCH ARGO FUND CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 139,699,356
<INVESTMENTS-AT-VALUE> 149,988,101
<RECEIVABLES> 469,805
<ASSETS-OTHER> 30,734
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 150,488,640
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,149,323
<TOTAL-LIABILITIES> 1,149,323
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 143,591,851
<SHARES-COMMON-STOCK> 4,216,887
<SHARES-COMMON-PRIOR> 3,612,861
<ACCUMULATED-NII-CURRENT> 294,975
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (4,836,254)
<ACCUM-APPREC-OR-DEPREC> 10,288,745
<NET-ASSETS> 149,339,317
<DIVIDEND-INCOME> 2,075,030
<INTEREST-INCOME> 121,039
<OTHER-INCOME> 0
<EXPENSES-NET> 1,295,067
<NET-INVESTMENT-INCOME> 901,002
<REALIZED-GAINS-CURRENT> (650,256)
<APPREC-INCREASE-CURRENT> (26,537,269)
<NET-CHANGE-FROM-OPS> (26,286,523)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (427,224)
<DISTRIBUTIONS-OF-GAINS> (14,532,860)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 276,172
<NUMBER-OF-SHARES-REDEEMED> (552,119)
<SHARES-REINVESTED> 879,973
<NET-CHANGE-IN-ASSETS> (56,274,693)
<ACCUMULATED-NII-PRIOR> 336,442
<ACCUMULATED-GAINS-PRIOR> 34,635,132
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 590,597
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,385,699
<AVERAGE-NET-ASSETS> 181,722,154
<PER-SHARE-NAV-BEGIN> 21.30
<PER-SHARE-NII> 0.10
<PER-SHARE-GAIN-APPREC> (2.48)
<PER-SHARE-DIVIDEND> (0.10)
<PER-SHARE-DISTRIBUTIONS> (3.96)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 14.86
<EXPENSE-RATIO> 1.26
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 022
<NAME> STATE STREET RESEARCH ARGO FUND CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 139,699,356
<INVESTMENTS-AT-VALUE> 149,988,101
<RECEIVABLES> 469,805
<ASSETS-OTHER> 30,734
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 150,488,640
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,149,323
<TOTAL-LIABILITIES> 1,149,323
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 143,591,851
<SHARES-COMMON-STOCK> 3,163,324
<SHARES-COMMON-PRIOR> 2,865,984
<ACCUMULATED-NII-CURRENT> 294,975
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (4,836,254)
<ACCUM-APPREC-OR-DEPREC> 10,288,745
<NET-ASSETS> 149,339,317
<DIVIDEND-INCOME> 2,075,030
<INTEREST-INCOME> 121,039
<OTHER-INCOME> 0
<EXPENSES-NET> 1,295,067
<NET-INVESTMENT-INCOME> 901,002
<REALIZED-GAINS-CURRENT> (650,256)
<APPREC-INCREASE-CURRENT> (26,537,269)
<NET-CHANGE-FROM-OPS> (26,286,523)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (129,945)
<DISTRIBUTIONS-OF-GAINS> (11,333,494)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 100,574
<NUMBER-OF-SHARES-REDEEMED> (503,000)
<SHARES-REINVESTED> 699,766
<NET-CHANGE-IN-ASSETS> (56,274,693)
<ACCUMULATED-NII-PRIOR> 336,442
<ACCUMULATED-GAINS-PRIOR> 34,635,132
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 590,597
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,385,699
<AVERAGE-NET-ASSETS> 181,722,154
<PER-SHARE-NAV-BEGIN> 20.77
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> (2.40)
<PER-SHARE-DIVIDEND> (0.04)
<PER-SHARE-DISTRIBUTIONS> (3.96)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 14.40
<EXPENSE-RATIO> 2.01
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 023
<NAME> STATE STREET RESEARCH ARGO FUND CLASS S
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 139,699,356
<INVESTMENTS-AT-VALUE> 149,988,101
<RECEIVABLES> 469,805
<ASSETS-OTHER> 30,734
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 150,488,640
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,149,323
<TOTAL-LIABILITIES> 1,149,323
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 143,591,851
<SHARES-COMMON-STOCK> 2,251,681
<SHARES-COMMON-PRIOR> 2,979,974
<ACCUMULATED-NII-CURRENT> 294,975
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (4,836,254)
<ACCUM-APPREC-OR-DEPREC> 10,288,745
<NET-ASSETS> 149,339,317
<DIVIDEND-INCOME> 2,075,030
<INTEREST-INCOME> 121,039
<OTHER-INCOME> 0
<EXPENSES-NET> 1,295,067
<NET-INVESTMENT-INCOME> 901,002
<REALIZED-GAINS-CURRENT> (650,256)
<APPREC-INCREASE-CURRENT> (26,537,269)
<NET-CHANGE-FROM-OPS> (26,286,523)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (360,792)
<DISTRIBUTIONS-OF-GAINS> (11,556,945)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 505,254
<NUMBER-OF-SHARES-REDEEMED> (1,957,047)
<SHARES-REINVESTED> 723,500
<NET-CHANGE-IN-ASSETS> (56,274,693)
<ACCUMULATED-NII-PRIOR> 336,442
<ACCUMULATED-GAINS-PRIOR> 34,635,132
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 590,597
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,385,699
<AVERAGE-NET-ASSETS> 181,722,154
<PER-SHARE-NAV-BEGIN> 21.26
<PER-SHARE-NII> 0.12
<PER-SHARE-GAIN-APPREC> (2.48)
<PER-SHARE-DIVIDEND> (0.12)
<PER-SHARE-DISTRIBUTIONS> (3.96)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 14.82
<EXPENSE-RATIO> 1.01
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 024
<NAME> STATE STREET RESEARCH ARGO FUND CLASS C
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 139,699,356
<INVESTMENTS-AT-VALUE> 149,988,101
<RECEIVABLES> 469,805
<ASSETS-OTHER> 30,734
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 150,488,640
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,149,323
<TOTAL-LIABILITIES> 1,149,323
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 143,591,851
<SHARES-COMMON-STOCK> 70,354
<SHARES-COMMON-PRIOR> 74,835
<ACCUMULATED-NII-CURRENT> 294,975
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (4,836,254)
<ACCUM-APPREC-OR-DEPREC> 10,288,745
<NET-ASSETS> 149,339,317
<DIVIDEND-INCOME> 2,075,030
<INTEREST-INCOME> 121,039
<OTHER-INCOME> 0
<EXPENSES-NET> 1,295,067
<NET-INVESTMENT-INCOME> 901,002
<REALIZED-GAINS-CURRENT> (650,256)
<APPREC-INCREASE-CURRENT> (26,537,269)
<NET-CHANGE-FROM-OPS> (26,286,523)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3,106)
<DISTRIBUTIONS-OF-GAINS> (293,206)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 7,649
<NUMBER-OF-SHARES-REDEEMED> (29,629)
<SHARES-REINVESTED> 17,499
<NET-CHANGE-IN-ASSETS> (56,274,693)
<ACCUMULATED-NII-PRIOR> 336,442
<ACCUMULATED-GAINS-PRIOR> 34,635,132
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 590,597
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,385,699
<AVERAGE-NET-ASSETS> 181,722,154
<PER-SHARE-NAV-BEGIN> 20.78
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> (2.40)
<PER-SHARE-DIVIDEND> (0.04)
<PER-SHARE-DISTRIBUTIONS> (3.96)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 14.41
<EXPENSE-RATIO> 2.01
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 025
<NAME> STATE STREET RESEARCH ARGO FUND CLASS B1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 139,699,356
<INVESTMENTS-AT-VALUE> 149,988,101
<RECEIVABLES> 469,805
<ASSETS-OTHER> 30,734
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 150,488,640
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,149,323
<TOTAL-LIABILITIES> 1,149,323
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 143,591,851
<SHARES-COMMON-STOCK> 468,403
<SHARES-COMMON-PRIOR> 204,456
<ACCUMULATED-NII-CURRENT> 294,975
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (4,836,254)
<ACCUM-APPREC-OR-DEPREC> 10,288,745
<NET-ASSETS> 149,339,317
<DIVIDEND-INCOME> 2,075,030
<INTEREST-INCOME> 121,039
<OTHER-INCOME> 0
<EXPENSES-NET> 1,295,067
<NET-INVESTMENT-INCOME> 901,002
<REALIZED-GAINS-CURRENT> (650,256)
<APPREC-INCREASE-CURRENT> (26,537,269)
<NET-CHANGE-FROM-OPS> (26,286,523)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (21,832)
<DISTRIBUTIONS-OF-GAINS> (1,104,625)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 230,727
<NUMBER-OF-SHARES-REDEEMED> (36,749)
<SHARES-REINVESTED> 69,969
<NET-CHANGE-IN-ASSETS> (56,274,693)
<ACCUMULATED-NII-PRIOR> 336,442
<ACCUMULATED-GAINS-PRIOR> 34,635,132
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 590,597
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,385,699
<AVERAGE-NET-ASSETS> 181,722,154
<PER-SHARE-NAV-BEGIN> 20.76
<PER-SHARE-NII> 0.04
<PER-SHARE-GAIN-APPREC> (2.41)
<PER-SHARE-DIVIDEND> (0.05)
<PER-SHARE-DISTRIBUTIONS> (3.96)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 14.38
<EXPENSE-RATIO> 2.01
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 031
<NAME> STATE STREET RESEARCH ALPHA FUND CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 261,291,369
<INVESTMENTS-AT-VALUE> 269,973,934
<RECEIVABLES> 1,478,878
<ASSETS-OTHER> 2,682,859
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 274,135,671
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 22,605,130
<TOTAL-LIABILITIES> 22,605,130
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 236,921,750
<SHARES-COMMON-STOCK> 6,327,751
<SHARES-COMMON-PRIOR> 7,230,680
<ACCUMULATED-NII-CURRENT> 1,381,431
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 4,517,245
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8,710,115
<NET-ASSETS> 251,530,541
<DIVIDEND-INCOME> 1,921,713
<INTEREST-INCOME> 2,157,995
<OTHER-INCOME> 0
<EXPENSES-NET> 2,494,996
<NET-INVESTMENT-INCOME> 1,701,732
<REALIZED-GAINS-CURRENT> 20,038,664
<APPREC-INCREASE-CURRENT> (51,363,300)
<NET-CHANGE-FROM-OPS> (29,622,904)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,243,550)
<DISTRIBUTIONS-OF-GAINS> (1,380,863)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 562,985
<NUMBER-OF-SHARES-REDEEMED> (1,608,936)
<SHARES-REINVESTED> 143,022
<NET-CHANGE-IN-ASSETS> (76,493,858)
<ACCUMULATED-NII-PRIOR> 2,702,099
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 11,540,158
<GROSS-ADVISORY-FEES> 958,253
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,494,996
<AVERAGE-NET-ASSETS> 294,847,077
<PER-SHARE-NAV-BEGIN> 15.80
<PER-SHARE-NII> 0.11
<PER-SHARE-GAIN-APPREC> (1.52)
<PER-SHARE-DIVIDEND> (0.19)
<PER-SHARE-DISTRIBUTIONS> (0.22)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 13.98
<EXPENSE-RATIO> 1.26
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 032
<NAME> STATE STREET RESEARCH ALPHA FUND CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 261,291,369
<INVESTMENTS-AT-VALUE> 269,973,934
<RECEIVABLES> 1,478,878
<ASSETS-OTHER> 2,682,859
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 274,135,671
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 22,605,130
<TOTAL-LIABILITIES> 22,605,130
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 236,921,750
<SHARES-COMMON-STOCK> 7,569,137
<SHARES-COMMON-PRIOR> 8,996,120
<ACCUMULATED-NII-CURRENT> 1,381,431
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 4,517,245
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8,710,115
<NET-ASSETS> 251,530,541
<DIVIDEND-INCOME> 1,921,713
<INTEREST-INCOME> 2,157,995
<OTHER-INCOME> 0
<EXPENSES-NET> 2,494,996
<NET-INVESTMENT-INCOME> 1,701,732
<REALIZED-GAINS-CURRENT> 20,038,664
<APPREC-INCREASE-CURRENT> (51,363,300)
<NET-CHANGE-FROM-OPS> (29,622,904)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,020,743)
<DISTRIBUTIONS-OF-GAINS> (1,670,793)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 141,914
<NUMBER-OF-SHARES-REDEEMED> (1,708,186)
<SHARES-REINVESTED> 139,289
<NET-CHANGE-IN-ASSETS> (76,493,858)
<ACCUMULATED-NII-PRIOR> 2,702,099
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 11,540,158
<GROSS-ADVISORY-FEES> 958,253
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,494,996
<AVERAGE-NET-ASSETS> 294,847,077
<PER-SHARE-NAV-BEGIN> 15.74
<PER-SHARE-NII> 0.06
<PER-SHARE-GAIN-APPREC> (1.52)
<PER-SHARE-DIVIDEND> (0.13)
<PER-SHARE-DISTRIBUTIONS> (0.22)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 13.93
<EXPENSE-RATIO> 2.01
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 033
<NAME> STATE STREET RESEARCH ALPHA FUND CLASS S
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 261,291,369
<INVESTMENTS-AT-VALUE> 269,973,934
<RECEIVABLES> 1,478,878
<ASSETS-OTHER> 2,682,859
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 274,135,671
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 22,605,130
<TOTAL-LIABILITIES> 22,605,130
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 236,921,750
(SHARES-COMMON-STOCK> 2,180,867
<SHARES-COMMON-PRIOR> 2,580,989
<ACCUMULATED-NII-CURRENT> 1,381,431
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 4,517,245
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8,710,115
<NET-ASSETS> 251,530,541
<DIVIDEND-INCOME> 1,921,713
<INTEREST-INCOME> 2,157,995
<OTHER-INCOME> 0
<EXPENSES-NET> 2,494,996
<NET-INVESTMENT-INCOME> 1,701,732
<REALIZED-GAINS-CURRENT> 20,038,664
<APPREC-INCREASE-CURRENT> (51,363,300)
<NET-CHANGE-FROM-OPS> (29,622,904)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (495,319)
<DISTRIBUTIONS-OF-GAINS> (496,967)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 471,913
<NUMBER-OF-SHARES-REDEEMED> (930,272)
<SHARES-REINVESTED> 58,237
<NET-CHANGE-IN-ASSETS> (76,493,858)
<ACCUMULATED-NII-PRIOR> 2,702,099
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 11,540,158
<GROSS-ADVISORY-FEES> 958,253
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,494,996
<AVERAGE-NET-ASSETS> 294,847,077
<PER-SHARE-NAV-BEGIN> 15.79
<PER-SHARE-NII> 0.13
<PER-SHARE-GAIN-APPREC> (1.51)
<PER-SHARE-DIVIDEND> (0.21)
<PER-SHARE-DISTRIBUTIONS> (0.22)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 13.98
<EXPENSE-RATIO> 1.01
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 034
<NAME> STATE STREET RESEARCH ALPHA FUND CLASS C
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 261,291,369
<INVESTMENTS-AT-VALUE> 269,973,934
<RECEIVABLES> 1,478,878
<ASSETS-OTHER> 2,682,859
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 274,135,671
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 22,605,130
<TOTAL-LIABILITIES> 22,605,130
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 236,921,750
<SHARES-COMMON-STOCK> 1,246,099
<SHARES-COMMON-PRIOR> 1,529,646
<ACCUMULATED-NII-CURRENT> 1,381,431
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 4,517,245
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8,710,115
<NET-ASSETS> 251,530,541
<DIVIDEND-INCOME> 1,921,713
<INTEREST-INCOME> 2,157,995
<OTHER-INCOME> 0
<EXPENSES-NET> 2,494,996
<NET-INVESTMENT-INCOME> 1,701,732
<REALIZED-GAINS-CURRENT> 20,038,664
<APPREC-INCREASE-CURRENT> (51,363,300)
<NET-CHANGE-FROM-OPS> (29,622,904)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (170,394)
<DISTRIBUTIONS-OF-GAINS> (278,556)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 158,704
<NUMBER-OF-SHARES-REDEEMED> (457,874)
<SHARES-REINVESTED> 15,623
<NET-CHANGE-IN-ASSETS> (76,493,858)
<ACCUMULATED-NII-PRIOR> 2,702,099
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 11,540,158
<GROSS-ADVISORY-FEES> 958,253
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,494,996
<AVERAGE-NET-ASSETS> 294,847,077
<PER-SHARE-NAV-BEGIN> 15.71
<PER-SHARE-NII> 0.06
<PER-SHARE-GAIN-APPREC> (1.51)
<PER-SHARE-DIVIDEND> (0.13)
<PER-SHARE-DISTRIBUTIONS> (0.22)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 13.91
<EXPENSE-RATIO> 2.01
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 035
<NAME> STATE STREET RESEARCH ALPHA FUND CLASS B1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 261,291,369
<INVESTMENTS-AT-VALUE> 269,973,934
<RECEIVABLES> 1,478,878
<ASSETS-OTHER> 2,682,859
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 274,135,671
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 22,605,130
<TOTAL-LIABILITIES> 22,605,130
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 236,921,750
<SHARES-COMMON-STOCK> 701,944
<SHARES-COMMON-PRIOR> 474,717
<ACCUMULATED-NII-CURRENT> 1,381,431
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 4,517,245
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8,710,115
<NET-ASSETS> 251,530,541
<DIVIDEND-INCOME> 1,921,713
<INTEREST-INCOME> 2,157,995
<OTHER-INCOME> 0
<EXPENSES-NET> 2,494,996
<NET-INVESTMENT-INCOME> 1,701,732
<REALIZED-GAINS-CURRENT> 20,038,664
<APPREC-INCREASE-CURRENT> (51,363,300)
<NET-CHANGE-FROM-OPS> (29,622,904)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (92,394)
<DISTRIBUTIONS-OF-GAINS> (154,082)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 293,116
<NUMBER-OF-SHARES-REDEEMED> (80,235)
<SHARES-REINVESTED> 14,346
<NET-CHANGE-IN-ASSETS> (76,493,858)
<ACCUMULATED-NII-PRIOR> 2,702,099
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 11,540,158
<GROSS-ADVISORY-FEES> 958,253
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,494,996
<AVERAGE-NET-ASSETS> 294,847,077
<PER-SHARE-NAV-BEGIN> 15.70
<PER-SHARE-NII> 0.06
<PER-SHARE-GAIN-APPREC> (1.51)
<PER-SHARE-DIVIDEND> (0.14)
<PER-SHARE-DISTRIBUTIONS> (0.22)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 13.89
<EXPENSE-RATIO> 2.01
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 041
<NAME> STATE STREET RESEARCH GLOBAL RESOURCES FUND CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 183,529,555
<INVESTMENTS-AT-VALUE> 122,140,091
<RECEIVABLES> 1,681,767
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 123,821,858
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5,739,850
<TOTAL-LIABILITIES> 5,739,850
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 224,869,103
<SHARES-COMMON-STOCK> 4,016,032
<SHARES-COMMON-PRIOR> 5,525,602
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (45,397,631)
<ACCUM-APPREC-OR-DEPREC> (61,389,464)
<NET-ASSETS> 118,082,008
<DIVIDEND-INCOME> 260,224
<INTEREST-INCOME> 34,548
<OTHER-INCOME> 0
<EXPENSES-NET> 1,530,695
<NET-INVESTMENT-INCOME> (1,235,923)
<REALIZED-GAINS-CURRENT> 636,293
<APPREC-INCREASE-CURRENT> (9,078,432)
<NET-CHANGE-FROM-OPS> 9,678,062
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3,646,281
<NUMBER-OF-SHARES-REDEEMED> (5,155,851)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (41,962,360)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 46,033,924
<GROSS-ADVISORY-FEES> 581,887
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,543,476
<AVERAGE-NET-ASSETS> 155,169,867
<PER-SHARE-NAV-BEGIN> 12.15
<PER-SHARE-NII> (0.08)
<PER-SHARE-GAIN-APPREC> (0.66)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.41
<EXPENSE-RATIO> 1.59
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 042
<NAME> STATE STREET RESEARCH GLOBAL RESOURCES FUND CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 183,529,555
<INVESTMENTS-AT-VALUE> 122,140,091
<RECEIVABLES> 1,681,767
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 123,821,858
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5,739,850
<TOTAL-LIABILITIES> 5,739,850
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 224,869,103
<SHARES-COMMON-STOCK> 3,930,565
<SHARES-COMMON-PRIOR> 4,898,888
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (45,397,631)
<ACCUM-APPREC-OR-DEPREC> (61,389,464)
<NET-ASSETS> 118,082,008
<DIVIDEND-INCOME> 260,224
<INTEREST-INCOME> 34,548
<OTHER-INCOME> 0
<EXPENSES-NET> 1,530,695
<NET-INVESTMENT-INCOME> (1,235,923)
<REALIZED-GAINS-CURRENT> 636,293
<APPREC-INCREASE-CURRENT> (9,078,432)
<NET-CHANGE-FROM-OPS> 9,678,062
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 221,281
<NUMBER-OF-SHARES-REDEEMED> (1,189,604)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (41,962,360)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 46,033,924
<GROSS-ADVISORY-FEES> 581,887
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,543,476
<AVERAGE-NET-ASSETS> 155,169,867
<PER-SHARE-NAV-BEGIN> 11.58
<PER-SHARE-NII> (0.12)
<PER-SHARE-GAIN-APPREC> (0.64)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.82
<EXPENSE-RATIO> 2.34
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 044
<NAME> STATE STREET RESEARCH GLOBAL RESOURCES FUND CLASS C
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 183,529,555
<INVESTMENTS-AT-VALUE> 122,140,091
<RECEIVABLES> 1,681,767
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 123,821,858
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5,739,850
<TOTAL-LIABILITIES> 5,739,850
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 224,869,103
<SHARES-COMMON-STOCK> 1,745,482
<SHARES-COMMON-PRIOR> 2,212,208
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (45,397,631)
<ACCUM-APPREC-OR-DEPREC> (61,389,464)
<NET-ASSETS> 118,082,008
<DIVIDEND-INCOME> 260,224
<INTEREST-INCOME> 34,548
<OTHER-INCOME> 0
<EXPENSES-NET> 1,530,695
<NET-INVESTMENT-INCOME> (1,235,923)
<REALIZED-GAINS-CURRENT> 636,293
<APPREC-INCREASE-CURRENT> (9,078,432)
<NET-CHANGE-FROM-OPS> 9,678,062
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 152,313
<NUMBER-OF-SHARES-REDEEMED> (619,038)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (41,962,360)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 46,033,924
<GROSS-ADVISORY-FEES> 581,887
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,543,476
<AVERAGE-NET-ASSETS> 155,169,867
<PER-SHARE-NAV-BEGIN> 11.54
<PER-SHARE-NII> (0.12)
<PER-SHARE-GAIN-APPREC> (0.62)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.80
<EXPENSE-RATIO> 2.34
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 044
<NAME> STATE STREET RESEARCH GLOBAL RESOURCES FUND CLASS C
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 183,529,555
<INVESTMENTS-AT-VALUE> 122,140,091
<RECEIVABLES> 1,681,767
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 123,821,858
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5,739,850
<TOTAL-LIABILITIES> 5,739,850
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 224,869,103
<SHARES-COMMON-STOCK> 1,745,482
<SHARES-COMMON-PRIOR> 2,212,208
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (45,397,631)
<ACCUM-APPREC-OR-DEPREC> (61,389,464)
<NET-ASSETS> 118,082,008
<DIVIDEND-INCOME> 260,224
<INTEREST-INCOME> 34,548
<OTHER-INCOME> 0
<EXPENSES-NET> 1,530,695
<NET-INVESTMENT-INCOME> (1,235,923)
<REALIZED-GAINS-CURRENT> 636,293
<APPREC-INCREASE-CURRENT> (9,078,432)
<NET-CHANGE-FROM-OPS> 9,678,062
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 152,313
<NUMBER-OF-SHARES-REDEEMED> (619,039)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (41,962,360)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 46,033,924
<GROSS-ADVISORY-FEES> 581,887
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,543,476
<AVERAGE-NET-ASSETS> 155,169,867
<PER-SHARE-NAV-BEGIN> 11.54
<PER-SHARE-NII> (0.12)
<PER-SHARE-GAIN-APPREC> (0.62)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.80
<EXPENSE-RATIO> 2.34
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 045
<NAME> STATE STREET RESEARCH GLOBAL RESOURCES FUND CLASS B1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 183,529,555
<INVESTMENTS-AT-VALUE> 122,140,091
<RECEIVABLES> 1,681,767
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 123,821,858
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5,739,850
<TOTAL-LIABILITIES> 5,739,850
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 224,869,103
<SHARES-COMMON-STOCK> 526,703
<SHARES-COMMON-PRIOR> 437,168
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (45,397,631)
<ACCUM-APPREC-OR-DEPREC> (61,389,464)
<NET-ASSETS> 118,082,008
<DIVIDEND-INCOME> 260,224
<INTEREST-INCOME> 34,548
<OTHER-INCOME> 0
<EXPENSES-NET> 1,530,695
<NET-INVESTMENT-INCOME> (1,235,923)
<REALIZED-GAINS-CURRENT> 636,293
<APPREC-INCREASE-CURRENT> (9,078,432)
<NET-CHANGE-FROM-OPS> 9,678,062
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 184,322
<NUMBER-OF-SHARES-REDEEMED> (94,787)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> (41,962,360)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 46,033,924
<GROSS-ADVISORY-FEES> 581,887
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,543,476
<AVERAGE-NET-ASSETS> 155,169,867
<PER-SHARE-NAV-BEGIN> 11.56
<PER-SHARE-NII> (0.12)
<PER-SHARE-GAIN-APPREC> (0.63)
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.81
<EXPENSE-RATIO> 2.34
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 051
<NAME> STATE STREET RESEARCH ATHLETES FUND CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 16,506,204
<INVESTMENTS-AT-VALUE> 24,779,029
<RECEIVABLES> 407,840
<ASSETS-OTHER> 119,076
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 25,305,945
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 176,105
<TOTAL-LIABILITIES> 176,105
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 17,002,081
<SHARES-COMMON-STOCK> 260,366
<SHARES-COMMON-PRIOR> 251,578
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (145,066)
<ACCUM-APPREC-OR-DEPREC> 8,272,825
<NET-ASSETS> 25,129,840
<DIVIDEND-INCOME> 57,034
<INTEREST-INCOME> 16,383
<OTHER-INCOME> 0
<EXPENSES-NET> 115,511
<NET-INVESTMENT-INCOME> (42,094)
<REALIZED-GAINS-CURRENT> (77,085)
<APPREC-INCREASE-CURRENT> 4,261,744
<NET-CHANGE-FROM-OPS> 4,142,565
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 10,188
<NUMBER-OF-SHARES-REDEEMED> (1,400)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 6,348,835
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 67,981
<GROSS-ADVISORY-FEES> 65,677
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 218,279
<AVERAGE-NET-ASSETS> 20,208,308
<PER-SHARE-NAV-BEGIN> 9.29
<PER-SHARE-NII> (0.03)
<PER-SHARE-GAIN-APPREC> 1.96
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.22
<EXPENSE-RATIO> 1.25
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 052
<NAME> STATE STREET RESEARCH ATHLETES FUND CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 16,506,204
<INVESTMENTS-AT-VALUE> 24,779,029
<RECEIVABLES> 407,840
<ASSETS-OTHER> 119,076
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 25,305,945
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 176,105
<TOTAL-LIABILITIES> 176,105
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 17,002,081
<SHARES-COMMON-STOCK> 89,539
<SHARES-COMMON-PRIOR> 86,365
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (145,066)
<ACCUM-APPREC-OR-DEPREC> 8,272,825
<NET-ASSETS> 25,129,840
<DIVIDEND-INCOME> 57,034
<INTEREST-INCOME> 16,383
<OTHER-INCOME> 0
<EXPENSES-NET> 115,511
<NET-INVESTMENT-INCOME> (42,094)
<REALIZED-GAINS-CURRENT> (77,085)
<APPREC-INCREASE-CURRENT> 4,261,744
<NET-CHANGE-FROM-OPS> 4,142,565
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 5,514
<NUMBER-OF-SHARES-REDEEMED> (2,340)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 6,348,835
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 67,981
<GROSS-ADVISORY-FEES> 65,677
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 218,279
<AVERAGE-NET-ASSETS> 20,208,308
<PER-SHARE-NAV-BEGIN> 9.20
<PER-SHARE-NII> (0.06)
<PER-SHARE-GAIN-APPREC> 1.94
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.08
<EXPENSE-RATIO> 2.00
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 053
<NAME> STATE STREET RESEARCH ATHLETES FUND CLASS S
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 16,506,204
<INVESTMENTS-AT-VALUE> 24,779,029
<RECEIVABLES> 407,840
<ASSETS-OTHER> 119,076
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 25,305,945
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 176,105
<TOTAL-LIABILITIES> 176,105
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 17,002,081
<SHARES-COMMON-STOCK> 1,729,993
<SHARES-COMMON-PRIOR> 1,540,011
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (145,066)
<ACCUM-APPREC-OR-DEPREC> 8,272,825
<NET-ASSETS> 25,129,840
<DIVIDEND-INCOME> 57,034
<INTEREST-INCOME> 16,383
<OTHER-INCOME> 0
<EXPENSES-NET> 115,511
<NET-INVESTMENT-INCOME> (42,094)
<REALIZED-GAINS-CURRENT> (77,085)
<APPREC-INCREASE-CURRENT> 4,261,744
<NET-CHANGE-FROM-OPS> 4,142,565
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 270,367
<NUMBER-OF-SHARES-REDEEMED> (80,385)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 6,348,835
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 67,981
<GROSS-ADVISORY-FEES> 65,677
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 218,279
<AVERAGE-NET-ASSETS> 20,208,308
<PER-SHARE-NAV-BEGIN> 9.31
<PER-SHARE-NII> (0.01)
<PER-SHARE-GAIN-APPREC> 1.96
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.26
<EXPENSE-RATIO> 1.00
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 054
<NAME> STATE STREET RESEARCH ATHLETES FUND CLASS C
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 16,506,204
<INVESTMENTS-AT-VALUE> 24,779,029
<RECEIVABLES> 407,840
<ASSETS-OTHER> 119,076
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 25,305,945
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 176,105
<TOTAL-LIABILITIES> 176,105
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 17,002,081
<SHARES-COMMON-STOCK> 73,058
<SHARES-COMMON-PRIOR> 73,058
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (145,066)
<ACCUM-APPREC-OR-DEPREC> 8,272,825
<NET-ASSETS> 25,129,840
<DIVIDEND-INCOME> 57,034
<INTEREST-INCOME> 16,383
<OTHER-INCOME> 0
<EXPENSES-NET> 115,511
<NET-INVESTMENT-INCOME> (42,094)
<REALIZED-GAINS-CURRENT> (77,085)
<APPREC-INCREASE-CURRENT> 4,261,744
<NET-CHANGE-FROM-OPS> 4,142,565
<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> 6,348,835
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 67,981
<GROSS-ADVISORY-FEES> 65,677
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 218,279
<AVERAGE-NET-ASSETS> 20,208,308
<PER-SHARE-NAV-BEGIN> 9.21
<PER-SHARE-NII> (0.06)
<PER-SHARE-GAIN-APPREC> 1.93
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.08
<EXPENSE-RATIO> 2.00
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000790941
<NAME> STATE STREET RESEARCH EQUITY TRUST
<SERIES>
<NUMBER> 055
<NAME> STATE STREET RESEARCH ATHLETES FUND CLASS B1
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-2000
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 16,506,204
<INVESTMENTS-AT-VALUE> 24,779,029
<RECEIVABLES> 407,840
<ASSETS-OTHER> 119,076
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 25,305,945
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 176,105
<TOTAL-LIABILITIES> 176,105
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 17,002,081
<SHARES-COMMON-STOCK> 83,884
<SHARES-COMMON-PRIOR> 68,939
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (145,066)
<ACCUM-APPREC-OR-DEPREC> 8,272,825
<NET-ASSETS> 25,129,840
<DIVIDEND-INCOME> 57,034
<INTEREST-INCOME> 16,383
<OTHER-INCOME> 0
<EXPENSES-NET> 115,511
<NET-INVESTMENT-INCOME> (42,094)
<REALIZED-GAINS-CURRENT> (77,085)
<APPREC-INCREASE-CURRENT> 4,261,744
<NET-CHANGE-FROM-OPS> 4,142,565
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 14,976
<NUMBER-OF-SHARES-REDEEMED> (31)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 6,348,835
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 67,981
<GROSS-ADVISORY-FEES> 65,677
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 218,279
<AVERAGE-NET-ASSETS> 20,208,308
<PER-SHARE-NAV-BEGIN> 9.20
<PER-SHARE-NII> (0.06)
<PER-SHARE-GAIN-APPREC> 1.93
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.07
<EXPENSE-RATIO> 2.00
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>