<PAGE> PAGE 1
000 A000000 04/30/99
000 C000000 0000357238
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 U
001 A000000 JOHN HANCOCK SERIES TRUST
001 B000000 811-3392
001 C000000 6173751702
002 A000000 101 HUNTINGTON AVENUE
002 B000000 BOSTON
002 C000000 MA
002 D010000 02199
002 D020000 7603
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 2
007 C010100 1
007 C010200 2
007 C010300 3
007 C020300 JOHN HANCOCK GLOBAL TECHNOLOGY FUND
007 C030300 N
007 C010400 4
007 C020400 JOHN HANCOCK EMERGING GROWTH FUND
007 C030400 N
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
011 A00AA01 JOHN HANCOCK FUNDS, INC.
011 B00AA01 8-43582
011 C01AA01 BOSTON
011 C02AA01 MA
011 C03AA01 02199
011 C04AA01 7603
012 A00AA01 JOHN HANCOCK SIGNATURE SERVICES, INC.
012 B00AA01 84-1885
012 C01AA01 BOSTON
012 C02AA01 MA
012 C03AA01 02199
012 C04AA01 9114
013 A00AA01 ERNST & YOUNG LLP
013 B01AA01 BOSTON
<PAGE> PAGE 2
013 B02AA01 MA
013 B03AA01 02199
013 B04AA01 7603
014 A00AA01 JOHN HANCOCK FUNDS, INC.
014 B00AA01 8-43582
014 A00AA02 JOHN HANCOCK SIGNATOR INVESTORS, INC.
014 B00AA02 8-13995
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 65
019 C00AA00 JOHNHANCOC
020 A000001 DONALD J. LUFKIN
020 B000001 13-2741729
020 C000001 65
020 A000002 MONTGOMERY SECS
020 B000002 94-1707676
020 C000002 63
020 A000003 JEFFERIES & CO.
020 B000003 95-2622900
020 C000003 42
020 A000004 FIRST BOSTON
020 B000004 13-5659485
020 C000004 38
020 A000005 MACINTOSH HAMSON
020 C000005 34
020 A000006 INSTINET
020 C000006 33
020 A000007 FIRST ALBANY
020 C000007 26
020 A000008 LEHMAN BROTHERS
020 B000008 13-2726611
020 C000008 23
020 A000009 MERRILL LYNCH
020 B000009 13-5674085
020 C000009 23
020 A000010 ALEX BROWN
020 B000010 52-1319768
020 C000010 22
021 000000 574
022 A000001 LEHMAN BROS.
022 B000001 13-2726611
022 C000001 5688824
022 D000001 12481
022 A000002 LEWCO SEC
022 C000002 58742
022 D000002 53764
022 A000003 BANK OF OKLAHOMA
022 C000003 100341
022 D000003 0
022 A000004 SMITH BARNEY
022 B000004 13-1912900
<PAGE> PAGE 3
022 C000004 54819
022 D000004 41637
022 A000005 BARCLAYS DEZOETTE
022 C000005 81097
022 D000005 0
022 A000006 GOLDMAN SACHS
022 B000006 13-5108880
022 C000006 32760
022 D000006 24480
022 A000007 DONALDSON, LUFKIN & JENRETTE
022 B000007 12-2741729
022 C000007 26051
022 D000007 13465
022 A000008 AUBREY LANSTON
022 B000008 13-5552129
022 C000008 39015
022 D000008 0
022 A000009 MONTGOMERY SECURITIES
022 B000009 94-1707676
022 C000009 18116
022 D000009 18824
022 A000010 ALEX BROWN
022 B000010 52-1319768
022 C000010 13610
022 D000010 15759
023 C000000 6361902
023 D000000 375495
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 Y
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
037 00AA00 N
038 00AA00 0
039 00AA00 Y
040 00AA00 Y
041 00AA00 Y
<PAGE> PAGE 4
058 A00AA00 N
059 00AA00 Y
060 A00AA00 Y
060 B00AA00 Y
061 00AA00 1000
062 A00AA00 N
062 B00AA00 0.0
062 C00AA00 0.0
062 D00AA00 0.0
062 E00AA00 0.0
062 F00AA00 0.0
062 G00AA00 0.0
062 H00AA00 0.0
062 I00AA00 0.0
062 J00AA00 0.0
062 K00AA00 0.0
062 L00AA00 0.0
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 0
063 B00AA00 0.0
066 A00AA00 Y
066 B00AA00 N
066 C00AA00 N
066 D00AA00 Y
066 E00AA00 N
066 F00AA00 N
066 G00AA00 N
067 00AA00 N
068 A00AA00 N
068 B00AA00 N
069 00AA00 N
077 A000000 Y
077 B000000 N
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 Y
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
<PAGE> PAGE 5
077 P000000 N
008 A000301 JOHN HANCOCK ADVISERS, INC.
008 B000301 A
008 C000301 801-8124
008 D010301 BOSTON
008 D020301 MA
008 D030301 02199
008 D040301 7603
008 A000302 AMERICAN FUND ADVISORS, INC.
008 B000302 S
008 C000302 801-14138
008 D010302 NEW YORK
008 D020302 NY
008 D030302 10004
008 D040302 2307
010 A000301 JOHN HANCOCK ADVISERS, INC.
010 B000301 801-8124
010 C010301 BOSTON
010 C020301 MA
010 C030301 02199
010 C040301 7603
015 A000301 INVESTORS BANK & TRUST
015 B000301 C
015 C010301 BOSTON
015 C020301 MA
015 C030301 02111
015 E010301 X
015 A000302 CITIBANK, N.A.
015 B000302 S
015 C010302 BUENOS AIRES
015 D010302 ARGENTINA
015 E040302 X
015 A000303 NATIONAL AUSTRALIA BANK LIMITED
015 B000303 S
015 C010303 MELBOURNE
015 D010303 AUSTRALIA
015 E040303 X
028 A010300 26721
028 A020300 1953
028 A030300 0
028 A040300 27901
028 B010300 45392
028 B020300 0
028 B030300 0
028 B040300 34316
028 C010300 88096
028 C020300 296
028 C030300 0
028 C040300 42152
028 D010300 80909
028 D020300 0
<PAGE> PAGE 6
028 D030300 0
028 D040300 54101
028 E010300 102412
028 E020300 0
028 E030300 0
028 E040300 77248
028 F010300 134860
028 F020300 0
028 F030300 0
028 F040300 83922
028 G010300 478390
028 G020300 2249
028 G030300 0
028 G040300 319640
028 H000300 31026
029 000300 Y
030 A000300 597
030 B000300 5.00
030 C000300 0.00
031 A000300 92
031 B000300 0
032 000300 405
033 000300 100
034 000300 Y
035 000300 217
036 A000300 Y
036 B000300 0
042 A000300 0
042 B000300 0
042 C000300 100
042 D000300 0
042 E000300 0
042 F000300 0
042 G000300 0
042 H000300 0
043 000300 1166
044 000300 2630
045 000300 Y
046 000300 N
047 000300 Y
048 000300 0.000
048 A010300 100000
048 A020300 0.850
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
<PAGE> PAGE 7
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 100000
048 K020300 0.750
049 000300 N
050 000300 N
051 000300 N
052 000300 N
053 A000300 N
054 A000300 Y
054 B000300 Y
054 C000300 N
054 D000300 N
054 E000300 N
054 F000300 N
054 G000300 Y
054 H000300 Y
054 I000300 N
054 J000300 Y
054 K000300 N
054 L000300 N
054 M000300 Y
054 N000300 N
054 O000300 N
055 A000300 N
055 B000300 N
056 000300 Y
057 000300 N
070 A010300 Y
070 A020300 Y
070 B010300 Y
070 B020300 Y
070 C010300 Y
070 C020300 N
070 D010300 Y
070 D020300 N
070 E010300 Y
070 E020300 N
070 F010300 Y
070 F020300 N
070 G010300 Y
070 G020300 N
070 H010300 Y
<PAGE> PAGE 8
070 H020300 N
070 I010300 N
070 I020300 N
070 J010300 Y
070 J020300 Y
070 K010300 Y
070 K020300 N
070 L010300 Y
070 L020300 Y
070 M010300 Y
070 M020300 N
070 N010300 Y
070 N020300 N
070 O010300 N
070 O020300 N
070 P010300 Y
070 P020300 N
070 Q010300 N
070 Q020300 N
070 R010300 N
070 R020300 N
071 A000300 266902
071 B000300 144543
071 C000300 396752
071 D000300 36
072 A000300 6
072 B000300 1045
072 C000300 137
072 D000300 0
072 E000300 0
072 F000300 1653
072 G000300 0
072 H000300 0
072 I000300 374
072 J000300 37
072 K000300 0
072 L000300 9
072 M000300 7
072 N000300 34
072 O000300 0
072 P000300 0
072 Q000300 0
072 R000300 12
072 S000300 2
072 T000300 1166
072 U000300 0
072 V000300 0
072 W000300 41
072 X000300 3335
072 Y000300 0
072 Z000300 -2153
<PAGE> PAGE 9
072AA000300 49368
072BB000300 0
072CC010300 155048
072CC020300 0
072DD010300 0
072DD020300 0
072EE000300 2292
073 A010300 0.0000
073 A020300 0.0000
073 B000300 0.2470
073 C000300 0.0000
074 A000300 148
074 B000300 67814
074 C000300 0
074 D000300 558
074 E000300 1500
074 F000300 563550
074 G000300 0
074 H000300 0
074 I000300 0
074 J000300 6474
074 K000300 0
074 L000300 2286
074 M000300 24
074 N000300 642354
074 O000300 15449
074 P000300 24
074 Q000300 0
074 R010300 0
074 R020300 0
074 R030300 404
074 R040300 1248
074 S000300 0
074 T000300 625229
074 U010300 7451
074 U020300 5802
074 V010300 48.00
074 V020300 45.87
074 W000300 0.0000
074 X000300 28618
074 Y000300 0
075 A000300 0
075 B000300 431116
076 000300 0.00
055 A000400 N
055 B000400 Y
056 000400 Y
057 000400 N
071 A000400 637184
071 B000400 704508
071 C000400 620924
<PAGE> PAGE 10
071 D000400 103
072 A000400 12
074 N000400 544384
074 T000400 542160
075 A000400 0
075 B000400 630418
SIGNATURE SUSAN S. NEWTON
TITLE VICE PRESIDENT
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 031
<NAME> JOHN HANCOCK GLOBAL TECHNOLOGY FUND - CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1999
<PERIOD-START> NOV-01-1998
<PERIOD-END> APR-30-1999
<INVESTMENTS-AT-COST> 387,515,498
<INVESTMENTS-AT-VALUE> 633,421,350
<RECEIVABLES> 8,759,639
<ASSETS-OTHER> 172,760
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 642,353,749
<PAYABLE-FOR-SECURITIES> 15,449,014
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,676,074
<TOTAL-LIABILITIES> 17,125,088
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 332,153,119
<SHARES-COMMON-STOCK> 7,451,402
<SHARES-COMMON-PRIOR> 6,545,634
<ACCUMULATED-NII-CURRENT> (2,170,385)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 48,947,143
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 246,298,784
<NET-ASSETS> 625,228,661
<DIVIDEND-INCOME> 137,438
<INTEREST-INCOME> 1,045,248
<OTHER-INCOME> 0
<EXPENSES-NET> 3,335,322
<NET-INVESTMENT-INCOME> (2,152,636)
<REALIZED-GAINS-CURRENT> 49,368,265
<APPREC-INCREASE-CURRENT> 155,048,189
<NET-CHANGE-FROM-OPS> 202,263,818
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 1,583,167
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 7,472,479
<NUMBER-OF-SHARES-REDEEMED> 6,618,080
<SHARES-REINVESTED> 51,369
<NET-CHANGE-IN-ASSETS> 360,971,261
<ACCUMULATED-NII-PRIOR> (17,749)
<ACCUMULATED-GAINS-PRIOR> 1,870,644
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,653,037
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,335,322
<AVERAGE-NET-ASSETS> 274,512,223
<PER-SHARE-NAV-BEGIN> 28.46
<PER-SHARE-NII> (0.16)
<PER-SHARE-GAIN-APPREC> 19.95
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.25)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 48.00
<EXPENSE-RATIO> 1.33
[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
<SERIES>
<NUMBER> 032
<NAME> JOHN HANCOCK GLOBAL TECHNOLOGY FUND - CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1999
<PERIOD-START> NOV-01-1998
<PERIOD-END> APR-30-1999
<INVESTMENTS-AT-COST> 387,515,498
<INVESTMENTS-AT-VALUE> 633,421,350
<RECEIVABLES> 8,759,639
<ASSETS-OTHER> 172,760
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 642,353,749
<PAYABLE-FOR-SECURITIES> 15,449,014
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,676,074
<TOTAL-LIABILITIES> 17,125,088
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 332,153,119
<SHARES-COMMON-STOCK> 5,801,638
<SHARES-COMMON-PRIOR> 2,857,947
<ACCUMULATED-NII-CURRENT> (2,170,385)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 48,947,143
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 246,298,784
<NET-ASSETS> 625,228,661
<DIVIDEND-INCOME> 137,438
<INTEREST-INCOME> 1,045,248
<OTHER-INCOME> 0
<EXPENSES-NET> 3,335,322
<NET-INVESTMENT-INCOME> (2,152,636)
<REALIZED-GAINS-CURRENT> 49,368,265
<APPREC-INCREASE-CURRENT> 155,048,189
<NET-CHANGE-FROM-OPS> 202,263,818
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 708,599
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4,112,128
<NUMBER-OF-SHARES-REDEEMED> 1,190,227
<SHARES-REINVESTED> 21,790
<NET-CHANGE-IN-ASSETS> 360,971,261
<ACCUMULATED-NII-PRIOR> (17,749)
<ACCUMULATED-GAINS-PRIOR> 1,870,644
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,653,037
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,335,322
<AVERAGE-NET-ASSETS> 156,443,435
<PER-SHARE-NAV-BEGIN> 27.29
<PER-SHARE-NII> (0.27)
<PER-SHARE-GAIN-APPREC> 19.10
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.25)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 45.87
<EXPENSE-RATIO> 1.99
[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
<SERIES>
<NUMBER> 033
<NAME> JOHN HANCOCK GLOBAL TECHNOLOGY FUND - CLASS C
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1999
<PERIOD-START> NOV-01-1998
<PERIOD-END> APR-30-1999
<INVESTMENTS-AT-COST> 387,515,498
<INVESTMENTS-AT-VALUE> 633,421,350
<RECEIVABLES> 8,759,639
<ASSETS-OTHER> 172,760
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 642,353,749
<PAYABLE-FOR-SECURITIES> 15,449,014
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,676,074
<TOTAL-LIABILITIES> 17,125,088
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 332,153,119
<SHARES-COMMON-STOCK> 30,806
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> (2,170,385)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 48,947,143
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 246,298,784
<NET-ASSETS> 625,228,661
<DIVIDEND-INCOME> 137,438
<INTEREST-INCOME> 1,045,248
<OTHER-INCOME> 0
<EXPENSES-NET> 3,335,322
<NET-INVESTMENT-INCOME> (2,152,636)
<REALIZED-GAINS-CURRENT> 49,368,265
<APPREC-INCREASE-CURRENT> 155,048,189
<NET-CHANGE-FROM-OPS> 202,263,818
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 31,514
<NUMBER-OF-SHARES-REDEEMED> 708
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 360,971,261
<ACCUMULATED-NII-PRIOR> (17,749)
<ACCUMULATED-GAINS-PRIOR> 1,870,644
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,653,037
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,335,322
<AVERAGE-NET-ASSETS> 461,106
<PER-SHARE-NAV-BEGIN> 38.54
<PER-SHARE-NII> (0.09)
<PER-SHARE-GAIN-APPREC> 7.42
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 45.87
<EXPENSE-RATIO> 2.03
[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
<SERIES>
<NUMBER> 041
<NAME> JOHN HANCOCK EMERGING GROWTH FUND - CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1999
<PERIOD-START> NOV-01-1998
<PERIOD-END> APR-30-1999
<INVESTMENTS-AT-COST> 424,752,952
<INVESTMENTS-AT-VALUE> 646,560,690
<RECEIVABLES> 6,427,690
<ASSETS-OTHER> 109,789
<OTHER-ITEMS-ASSETS> 217
<TOTAL-ASSETS> 653,098,386
<PAYABLE-FOR-SECURITIES> 12,278,809
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,091,405
<TOTAL-LIABILITIES> 13,370,214
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 359,095,874
<SHARES-COMMON-STOCK> 19,439,594
<SHARES-COMMON-PRIOR> 21,378,203
<ACCUMULATED-NII-CURRENT> (4,920,580)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 63,740,164
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 221,812,714
<NET-ASSETS> 639,728,172
<DIVIDEND-INCOME> 339,732
<INTEREST-INCOME> 186,381
<OTHER-INCOME> 0
<EXPENSES-NET> 5,396,763
<NET-INVESTMENT-INCOME> (4,870,650)
<REALIZED-GAINS-CURRENT> 64,068,978
<APPREC-INCREASE-CURRENT> 113,496,267
<NET-CHANGE-FROM-OPS> 172,694,595
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 4,781,633
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 22,264,679
<NUMBER-OF-SHARES-REDEEMED> 24,679,396
<SHARES-REINVESTED> 476,108
<NET-CHANGE-IN-ASSETS> 97,568,331
<ACCUMULATED-NII-PRIOR> (49,930)
<ACCUMULATED-GAINS-PRIOR> 15,098,024
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,284,306
<INTEREST-EXPENSE> 8,909
<GROSS-EXPENSE> 5,396,763
<AVERAGE-NET-ASSETS> 202,729,712
<PER-SHARE-NAV-BEGIN> 8.41
<PER-SHARE-NII> (0.06)
<PER-SHARE-GAIN-APPREC> 2.82
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.23)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.94
<EXPENSE-RATIO> 1.34
[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
<SERIES>
<NUMBER> 042
<NAME> JOHN HANCOCK EMERGING GROWTH FUND - CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1999
<PERIOD-START> NOV-01-1998
<PERIOD-END> APR-30-1999
<INVESTMENTS-AT-COST> 424,752,952
<INVESTMENTS-AT-VALUE> 646,560,690
<RECEIVABLES> 6,427,690
<ASSETS-OTHER> 109,789
<OTHER-ITEMS-ASSETS> 217
<TOTAL-ASSETS> 653,098,386
<PAYABLE-FOR-SECURITIES> 12,278,809
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,091,405
<TOTAL-LIABILITIES> 13,370,214
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 359,095,874
<SHARES-COMMON-STOCK> 42,139,173
<SHARES-COMMON-PRIOR> 46,363,294
<ACCUMULATED-NII-CURRENT> (4,920,580)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 63,740,164
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 221,812,714
<NET-ASSETS> 639,728,172
<DIVIDEND-INCOME> 339,732
<INTEREST-INCOME> 186,381
<OTHER-INCOME> 0
<EXPENSES-NET> 5,396,763
<NET-INVESTMENT-INCOME> (4,870,650)
<REALIZED-GAINS-CURRENT> 64,068,978
<APPREC-INCREASE-CURRENT> 113,496,267
<NET-CHANGE-FROM-OPS> 172,694,595
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 10,631,104
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 5,151,385
<NUMBER-OF-SHARES-REDEEMED> 10,358,750
<SHARES-REINVESTED> 983,244
<NET-CHANGE-IN-ASSETS> 97,568,331
<ACCUMULATED-NII-PRIOR> (49,930)
<ACCUMULATED-GAINS-PRIOR> 15,098,024
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,284,306
<INTEREST-EXPENSE> 8,909
<GROSS-EXPENSE> 5,396,763
<AVERAGE-NET-ASSETS> 410,765,981
<PER-SHARE-NAV-BEGIN> 7.81
<PER-SHARE-NII> (0.08)
<PER-SHARE-GAIN-APPREC> 2.61
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.23)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.11
<EXPENSE-RATIO> 1.99
[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
<SERIES>
<NUMBER> 043
<NAME> JOHN HANCOCK EMERGING GROWTH FUND - CLASS C
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1999
<PERIOD-START> NOV-01-1998
<PERIOD-END> APR-30-1999
<INVESTMENTS-AT-COST> 424,752,952
<INVESTMENTS-AT-VALUE> 646,560,690
<RECEIVABLES> 6,427,690
<ASSETS-OTHER> 109,789
<OTHER-ITEMS-ASSETS> 217
<TOTAL-ASSETS> 653,098,386
<PAYABLE-FOR-SECURITIES> 12,278,809
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,091,405
<TOTAL-LIABILITIES> 13,370,214
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 359,095,874
<SHARES-COMMON-STOCK> 89,564
<SHARES-COMMON-PRIOR> 59,895
<ACCUMULATED-NII-CURRENT> (4,920,580)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 63,740,164
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 221,812,714
<NET-ASSETS> 639,728,172
<DIVIDEND-INCOME> 339,732
<INTEREST-INCOME> 186,381
<OTHER-INCOME> 0
<EXPENSES-NET> 5,396,763
<NET-INVESTMENT-INCOME> (4,870,650)
<REALIZED-GAINS-CURRENT> 64,068,978
<APPREC-INCREASE-CURRENT> 113,496,267
<NET-CHANGE-FROM-OPS> 172,694,595
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 14,101
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 61,461
<NUMBER-OF-SHARES-REDEEMED> 33,479
<SHARES-REINVESTED> 1,687
<NET-CHANGE-IN-ASSETS> 97,568,331
<ACCUMULATED-NII-PRIOR> (49,930)
<ACCUMULATED-GAINS-PRIOR> 15,098,024
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,284,306
<INTEREST-EXPENSE> 8,909
<GROSS-EXPENSE> 5,396,763
<AVERAGE-NET-ASSETS> 701,115
<PER-SHARE-NAV-BEGIN> 7.81
<PER-SHARE-NII> (0.09)
<PER-SHARE-GAIN-APPREC> 2.61
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.23)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.10
<EXPENSE-RATIO> 2.09
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
