<PAGE> PAGE 1
000 B000000 12/31/98
000 C000000 0000002110
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 ACORN INVESTMENT TRUST
001 B000000 811-1829
001 C000000 3126349200
002 A000000 227 W. MONROE SUITE 3000
002 B000000 CHICAGO
002 C000000 IL
002 D010000 60606
002 D020000 5016
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 5
007 C010100 1
007 C020100 ACORN FUND
007 C030100 N
007 C010200 2
007 C020200 ACORN INTERNATIONAL
007 C030200 N
007 C010300 3
007 C020300 ACORN USA
007 C030300 N
007 C010400 4
007 C020400 ACORN TWENTY
007 C030400 N
007 C010500 5
007 C020500 ACORN FOREIGN FORTY
007 C030500 N
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
007 C011100 11
007 C011200 12
007 C011300 13
007 C011400 14
007 C011500 15
007 C011600 16
007 C011700 17
007 C011800 18
<PAGE> PAGE 2
007 C011900 19
007 C012000 20
007 C012100 21
007 C012200 22
007 C012300 23
007 C012400 24
007 C012500 25
007 C012600 26
007 C012700 27
007 C012800 28
007 C012900 29
007 C013000 30
007 C013100 31
007 C013200 32
007 C013300 33
007 C013400 34
007 C013500 35
007 C013600 36
007 C013700 37
007 C013800 38
007 C013900 39
007 C014000 40
007 C014100 41
007 C014200 42
007 C014300 43
007 C014400 44
007 C014500 45
007 C014600 46
007 C014700 47
007 C014800 48
007 C014900 49
007 C015000 50
007 C015100 51
007 C015200 52
007 C015300 53
007 C015400 54
007 C015500 55
007 C015600 56
007 C015700 57
007 C015800 58
007 C015900 59
007 C016000 60
007 C016100 61
007 C016200 62
007 C016300 63
007 C016400 64
007 C016500 65
007 C016600 66
007 C016700 67
007 C016800 68
007 C016900 69
<PAGE> PAGE 3
007 C017000 70
007 C017100 71
007 C017200 72
007 C017300 73
007 C017400 74
007 C017500 75
007 C017600 76
007 C017700 77
007 C017800 78
007 C017900 79
007 C018000 80
008 A00AA01 WANGER ASSET MANAGEMENT LP
008 B00AA01 A
008 C00AA01 801-41391
008 D01AA01 CHICAGO
008 D02AA01 IL
008 D03AA01 60606
008 D04AA01 5016
010 A00AA01 WANGER ASSET MANAGEMENT LP
010 B00AA01 801-41391
010 C01AA01 CHICAGO
010 C02AA01 IL
010 C03AA01 60606
010 C04AA01 5016
011 A00AA01 WAM BROKERAGE SERVICES, L.L.C.
011 B00AA01 8-48510
011 C01AA01 CHICAGO
011 C02AA01 IL
011 C03AA01 60606
011 C04AA01 5016
012 A00AA01 STATE STREET BANK & TRUST CO BOSTON
012 B00AA01 85-05003
012 C01AA01 NORTH QUINCY
012 C02AA01 MA
012 C03AA01 02171
013 A00AA01 ERNST & YOUNG LLP
013 B01AA01 CHICAGO
013 B02AA01 IL
013 B03AA01 60606
014 A00AA01 WAM BROKERAGE SERVICES, L.L.C.
014 B00AA01 8-48510
015 A00AA01 STATE STREET BANK & TRUST CO
015 B00AA01 C
015 C01AA01 BOSTON
015 C02AA01 MA
015 C03AA01 02110
015 E01AA01 X
015 A00AA02 CITIBANK,N.A., ARGENTINA - BUENOS AIRES
015 B00AA02 S
015 C01AA02 BUENOS AIRES
015 D01AA02 ARGENTINA
<PAGE> PAGE 4
015 E04AA02 X
015 A00AA03 WESTPAC BANKING CORPORATION
015 B00AA03 S
015 C01AA03 SYDNEY
015 D01AA03 AUSTRALIA
015 E04AA03 X
015 A00AA04 ERSTE BANK
015 B00AA04 S
015 C01AA04 VIENNA
015 D01AA04 AUSTRIA
015 E04AA04 X
015 A00AA05 STANDARD CHARTERED BANK
015 B00AA05 S
015 C01AA05 DHAKA
015 D01AA05 BANGLADESH
015 E04AA05 X
015 A00AA06 GENERALE BANK
015 B00AA06 S
015 C01AA06 BRUSSELS
015 D01AA06 BELGIUM
015 E04AA06 X
015 A00AA07 BARCLAY'S BANK OF BOTSWANA LIMITED
015 B00AA07 S
015 C01AA07 GABARONE
015 D01AA07 BOTSWANA
015 E04AA07 X
015 A00AA08 CITIBANK, N.A.
015 B00AA08 S
015 C01AA08 SAO PAULO
015 D01AA08 BRAZIL
015 E04AA08 X
015 A00AA09 CANADA TRUSTCO MORTGAGE COMPANY
015 B00AA09 S
015 C01AA09 TORONTO
015 D01AA09 CANADA
015 E04AA09 X
015 A00AA10 CITIBANK, N.A.,
015 B00AA10 S
015 C01AA10 SANTIAGO
015 D01AA10 CHILE
015 E04AA10 X
015 A00AA11 THE HONKONG AND SHANGHAI BANKING CORP. LTD.
015 B00AA11 S
015 C01AA11 SHANGHAI & SHENZHEN
015 D01AA11 CHINA
015 E04AA11 X
015 A00AA12 CITITRUST COLOMBIA S.A. SOCIEDAD FIDUCIARIA
015 B00AA12 S
015 C01AA12 BOGOTA
015 D01AA12 COLOMBIA
015 E04AA12 X
<PAGE> PAGE 5
015 A00AA13 BARCLAYS BANK PLC
015 B00AA13 S
015 C01AA13 NICOSIA
015 D01AA13 CYPRUS
015 E04AA13 X
015 A00AA14 CESKOSLOVENSKA OBCHODNI BANKA A.S.
015 B00AA14 S
015 C01AA14 PRAGUE
015 D01AA14 CZECH REPUBLIC
015 E04AA14 X
015 A00AA15 DEN DANSKE BANK
015 B00AA15 S
015 C01AA15 COPENHAGEN
015 D01AA15 DENMARK
015 E04AA15 X
015 A00AA16 CITIBANK, N.A.
015 B00AA16 S
015 C01AA16 QUITO
015 D01AA16 ECUADOR
015 E04AA16 X
015 A00AA17 NATIONAL BANK OF EGYPT
015 B00AA17 S
015 C01AA17 CAIRO
015 D01AA17 EGYPT
015 E04AA17 X
015 A00AA18 MERITA BANK LIMITED
015 B00AA18 S
015 C01AA18 HELSINKI
015 D01AA18 FINLAND
015 E04AA18 X
015 A00AA19 BANQUE PARIBAS
015 B00AA19 S
015 C01AA19 PARIS
015 D01AA19 FRANCE
015 E04AA19 X
015 A00AA20 DRESDNER BANK AG
015 B00AA20 S
015 C01AA20 FRANKFURT
015 D01AA20 GERMANY
015 E04AA20 X
015 A00AA21 BARCLAY'S BANK OF GHANA LIMITED
015 B00AA21 S
015 C01AA21 ACCRA
015 D01AA21 GHANA
015 E04AA21 X
015 A00AA22 NATIONAL BANK OF GREECE S.A.
015 B00AA22 S
015 C01AA22 ATHENS
015 D01AA22 GREECE
015 E04AA22 X
015 A00AA23 STANDARD CHARTERED BANK
<PAGE> PAGE 6
015 B00AA23 S
015 C01AA23 HONG KONG
015 D01AA23 HONG KONG
015 E04AA23 X
015 A00AA24 CITIBANK BUDAPEST RT.
015 B00AA24 S
015 C01AA24 BUDAPEST
015 D01AA24 HUNGARY
015 E04AA24 X
015 A00AA25 THE HONKONG AND SHANGHAI BANKING CORP. LTD.
015 B00AA25 S
015 C01AA25 BOMBAY
015 D01AA25 INDIA
015 E04AA25 X
015 A00AA26 STANDARD CHARTERED BANK - JAKARTA
015 B00AA26 S
015 C01AA26 JAKARTA
015 D01AA26 INDONESIA
015 E04AA26 X
015 A00AA27 BANK OF IRELAND
015 B00AA27 S
015 C01AA27 DUBLIN
015 D01AA27 IRELAND
015 E04AA27 X
015 A00AA28 BANK HAPOALIM B.M.
015 B00AA28 S
015 C01AA28 TEL AVIV
015 D01AA28 ISRAEL
015 E04AA28 X
015 A00AA29 BANQUE PARIBAS
015 B00AA29 S
015 C01AA29 MILAN
015 D01AA29 ITALY
015 E04AA29 X
015 A00AA30 THE FUJI BANK LTD.
015 B00AA30 S
015 C01AA30 TOKYO
015 D01AA30 JAPAN
015 E04AA30 X
015 A00AA31 THE BRITISH BANK OF THE MIDDLE EAST
015 B00AA31 S
015 C01AA31 AMMAN
015 D01AA31 JORDAN
015 E04AA31 X
015 A00AA32 BARCLAY'S BANK OF KENYA LIMITED
015 B00AA32 S
015 C01AA32 NAIROBI
015 D01AA32 KENYA
015 E04AA32 X
015 A00AA33 SEOULBANK
015 B00AA33 S
<PAGE> PAGE 7
015 C01AA33 SEOUL
015 D01AA33 KOREA
015 E04AA33 X
015 A00AA34 STANDARD CHARTERED BANK MALAYSIA BERHAD
015 B00AA34 S
015 C01AA34 KUALA LUMPUR
015 D01AA34 MALAYSIA
015 E04AA34 X
015 A00AA35 CITIBANK MEXICO, S.A.
015 B00AA35 S
015 C01AA35 MEXICO CITY
015 D01AA35 MEXICO
015 E04AA35 X
015 A00AA36 BANQUE COMMERCIALE DU MAROC - CASABLANCA
015 B00AA36 S
015 C01AA36 CASABLANCA
015 D01AA36 MOROCCO
015 E04AA36 X
015 A00AA37 MEESPIERSON N.V.
015 B00AA37 S
015 C01AA37 AMSTERDAM
015 D01AA37 NETHERLANDS
015 E04AA37 X
015 A00AA38 ANZ BANKING GROUP LIMITED
015 B00AA38 S
015 C01AA38 WELLINGTON
015 D01AA38 NEW ZEALAND
015 E04AA38 X
015 A00AA39 CHRISTIANIA BANK OG KREDITKASSE
015 B00AA39 S
015 C01AA39 OSLO
015 D01AA39 NORWAY
015 E04AA39 X
015 A00AA40 DEUTSCHE BANK AG, PAKISTAN
015 B00AA40 S
015 C01AA40 KARACHI
015 D01AA40 PAKISTAN
015 E04AA40 X
015 A00AA41 CITIBANK, N.A. PERU
015 B00AA41 S
015 C01AA41 LIMA
015 D01AA41 PERU
015 E04AA41 X
015 A00AA42 STANDARD CHARTERED BANK
015 B00AA42 S
015 C01AA42 MANILA
015 D01AA42 PHILIPPINES
015 E04AA42 X
015 A00AA43 CITIBANK POLAND, S.A.
015 B00AA43 S
015 C01AA43 POLAND
<PAGE> PAGE 8
015 D01AA43 POLAND
015 E04AA43 X
015 A00AA44 BANCO COMERCIAL PORTUGUES
015 B00AA44 S
015 C01AA44 LISBON
015 D01AA44 PORTUGAL
015 E04AA44 X
015 A00AA45 THE DEVELOPMENT BANK OF SINGAPORE LTD.
015 B00AA45 S
015 C01AA45 SINGAPORE
015 D01AA45 SINGAPORE
015 E04AA45 X
015 A00AA46 STANDARD BANK OF SOUTH AFRICA LIMITED
015 B00AA46 S
015 C01AA46 JOHANNESBURG
015 D01AA46 SOUTH AFRICA
015 E04AA46 X
015 A00AA47 BANCO SANTANDER, S.A.
015 B00AA47 S
015 C01AA47 MADRID
015 D01AA47 SPAIN
015 E04AA47 X
015 A00AA48 THE HONGKONG AND SHANGHAI BANKING CORP. LTD.
015 B00AA48 S
015 C01AA48 COLOMBO
015 D01AA48 SRI LANKA
015 E04AA48 X
015 A00AA49 BARCLAY'S BANK OF SWAZILAND LIMITED
015 B00AA49 S
015 C01AA49 MBABANE
015 D01AA49 SWAZILAND
015 E04AA49 X
015 A00AA50 SKANDINAVISKA ENSKILDA BANKEN
015 B00AA50 S
015 C01AA50 STOCKHOLM
015 D01AA50 SWEDEN
015 E04AA50 X
015 A00AA51 UNION BANK OF SWITZERLAND
015 B00AA51 S
015 C01AA51 ZURICH
015 D01AA51 SWITZERLAND
015 E04AA51 X
015 A00AA52 CENTRAL TRUST OF CHINA- TAIPEI
015 B00AA52 S
015 C01AA52 TAIPEI
015 D01AA52 TAIWAN
015 E04AA52 X
015 A00AA53 STANDARD CHARTERED BANK - BANGKOK
015 B00AA53 S
015 C01AA53 BANGKOK
015 D01AA53 THAILAND
<PAGE> PAGE 9
015 E04AA53 X
015 A00AA54 CITIBANK, N.A., TURKEY
015 B00AA54 S
015 C01AA54 ISTANBUL
015 D01AA54 TURKEY
015 E04AA54 X
015 A00AA55 STATE STREET BANK AND TRUST CO.-LONDON BRANCH
015 B00AA55 S
015 C01AA55 LONDON
015 D01AA55 UNITED KINGDOM
015 E04AA55 X
015 A00AA56 CITIBANK, N.A., URUGUAY
015 B00AA56 S
015 C01AA56 MONTEVIDEO
015 D01AA56 URUGUAY
015 E04AA56 X
015 A00AA57 CITIBANK, N.A., VENEZUELA
015 B00AA57 S
015 C01AA57 CARACAS
015 D01AA57 VENEZUELA
015 E04AA57 X
015 A00AA58 BARCLAY'S BANK OF ZAMBIA LIMITED
015 B00AA58 S
015 C01AA58 LUSAKA
015 D01AA58 ZAMBIA
015 E04AA58 X
015 A00AA59 BARCLAY'S BANK OF ZIMBABWE LIMITED
015 B00AA59 S
015 C01AA59 HARARE
015 D01AA59 ZIMBABWE
015 E04AA59 X
015 A00AA60 HONG KONG AND SHANGHAI BANKING CORP LTD
015 B00AA60 S
015 C01AA60 PORT LOIUS
015 D01AA60 MAURITIUS
015 E04AA60 X
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 5
019 C00AA00 ACORNFUNDS
020 A000001 BRIDGE TRADING COMPANY
020 B000001 43-1450530
020 C000001 697
020 A000002 MERRILL LYNCH
020 B000002 13-5674085
020 C000002 526
020 A000003 GOLDMAN SACHS
020 B000003 13-5108880
020 C000003 287
020 A000004 INSTINET CORPORATION
020 B000004 13-3443395
<PAGE> PAGE 10
020 C000004 257
020 A000005 BEAR STEARNS
020 B000005 13-3299429
020 C000005 256
020 A000006 HOENIG & CO
020 B000006 13-2656060
020 C000006 234
020 A000007 DEUTSCHE MORGAN GRENFELL
020 B000007 13-2730828
020 C000007 205
020 A000008 ROBERT FLEMING
020 B000008 13-3298866
020 C000008 201
020 A000009 SOLOMON/SMITH BARNEY
020 B000009 13-1912900
020 C000009 193
020 A000010 SG WARBURG
020 B000010 13-3340045
020 C000010 179
021 000000 7282
022 A000001 J M LUMMIS
022 B000001 UNKNOWN
022 C000001 3182105
022 D000001 0
022 A000002 WILLIAMS CAPITAL
022 B000002 13-3747879
022 C000002 2562053
022 D000002 0
022 A000003 COMMERCIAL CREDIT
022 B000003 52-088335
022 C000003 1424958
022 D000003 0
022 A000004 GE CAPITAL
022 B000004 UNKNOWN
022 C000004 1339518
022 D000004 0
022 A000005 FORD MOTOR CREDIT COMPANY
022 B000005 38-0549190
022 C000005 962342
022 D000005 0
022 A000006 AMERICAN GENERAL FINANCE CORP
022 B000006 35-0416090
022 C000006 725420
022 D000006 0
022 A000007 PRUDENTIAL FUNDING
022 B000007 UNKNOWN
022 C000007 714790
022 D000007 0
022 A000008 ASSOCIATES CORP
022 B000008 UNKNOWN
022 C000008 588803
<PAGE> PAGE 11
022 D000008 0
022 A000009 GENERAL MOTORS ACCEPTANCE CORP
022 B000009 38-057251
022 C000009 476543
022 D000009 0
022 A000010 STATE STREET BANK
022 B000010 04-1867445
022 C000010 219357
022 D000010 7092
023 C000000 12902332
023 D000000 491294
026 A000000 N
026 B000000 Y
026 C000000 Y
026 D000000 Y
026 E000000 Y
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
031 A00AA00 0
031 B00AA00 0
032 00AA00 0
033 00AA00 0
034 00AA00 N
035 00AA00 0
036 B00AA00 0
037 00AA00 N
038 00AA00 0
039 00AA00 N
040 00AA00 N
042 A00AA00 0
042 B00AA00 0
042 C00AA00 0
042 D00AA00 0
042 E00AA00 0
042 F00AA00 0
042 G00AA00 0
042 H00AA00 0
043 00AA00 0
044 00AA00 0
054 A00AA00 Y
054 B00AA00 Y
054 C00AA00 Y
054 D00AA00 N
054 E00AA00 N
<PAGE> PAGE 12
054 F00AA00 N
054 G00AA00 Y
054 H00AA00 Y
054 I00AA00 N
054 J00AA00 Y
054 K00AA00 N
054 L00AA00 Y
054 M00AA00 Y
054 N00AA00 N
054 O00AA00 N
055 A00AA00 N
055 B00AA00 N
056 00AA00 Y
057 00AA00 N
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
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 N
077 Q020000 N
077 Q030000 N
<PAGE> PAGE 13
078 000000 N
080 A00AA00 ICI MUTUAL
080 C00AA00 8000
081 A00AA00 Y
081 B00AA00 11
082 A00AA00 Y
082 B00AA00 50
083 A00AA00 N
083 B00AA00 0
084 A00AA00 N
084 B00AA00 0
085 A00AA00 Y
085 B00AA00 N
024 000100 N
025 D000101 0
025 D000102 0
025 D000103 0
025 D000104 0
025 D000105 0
025 D000106 0
025 D000107 0
025 D000108 0
028 A010100 41984
028 A020100 0
028 A030100 0
028 A040100 49043
028 B010100 32190
028 B020100 0
028 B030100 0
028 B040100 56791
028 C010100 38748
028 C020100 0
028 C030100 0
028 C040100 67074
028 D010100 27997
028 D020100 0
028 D030100 0
028 D040100 44850
028 E010100 34976
028 E020100 0
028 E030100 0
028 E040100 39697
028 F010100 42885
028 F020100 155693
028 F030100 0
028 F040100 144981
028 G010100 218780
028 G020100 155693
028 G030100 0
028 G040100 402436
028 H000100 0
<PAGE> PAGE 14
045 000100 Y
046 000100 N
047 000100 Y
048 000100 0.000
048 A010100 700000
048 A020100 0.750
048 B010100 1300000
048 B020100 0.700
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 2000000
048 K020100 0.650
049 000100 N
050 000100 N
051 000100 N
052 000100 N
053 A000100 N
058 A000100 N
059 000100 Y
060 A000100 Y
060 B000100 Y
061 000100 1000
066 A000100 Y
066 B000100 N
066 C000100 N
066 D000100 Y
066 E000100 N
066 F000100 N
066 G000100 N
067 000100 N
068 A000100 N
068 B000100 N
069 000100 N
070 A010100 Y
070 A020100 N
070 B010100 Y
070 B020100 N
<PAGE> PAGE 15
070 C010100 Y
070 C020100 N
070 D010100 Y
070 D020100 N
070 E010100 Y
070 E020100 N
070 F010100 Y
070 F020100 Y
070 G010100 Y
070 G020100 N
070 H010100 Y
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 Y
070 J020100 Y
070 K010100 Y
070 K020100 Y
070 L010100 Y
070 L020100 Y
070 M010100 Y
070 M020100 Y
070 N010100 Y
070 N020100 N
070 O010100 Y
070 O020100 N
070 P010100 Y
070 P020100 Y
070 Q010100 N
070 Q020100 N
070 R010100 N
070 R020100 N
071 A000100 830390
071 B000100 1048096
071 C000100 3390801
071 D000100 24
072 A000100 12
072 B000100 13414
072 C000100 27970
072 D000100 0
072 E000100 0
072 F000100 24905
072 G000100 1812
072 H000100 0
072 I000100 1414
072 J000100 924
072 K000100 0
072 L000100 573
072 M000100 211
072 N000100 55
072 O000100 0
<PAGE> PAGE 16
072 P000100 0
072 Q000100 0
072 R000100 62
072 S000100 161
072 T000100 0
072 U000100 0
072 V000100 0
072 W000100 235
072 X000100 30352
072 Y000100 0
072 Z000100 11032
072AA000100 447067
072BB000100 213064
072CC010100 0
072CC020100 43553
072DD010100 6284
072DD020100 0
072EE000100 219264
073 A010100 0.0300
073 A020100 0.0000
073 B000100 1.0600
073 C000100 0.0000
074 A000100 327
074 B000100 0
074 C000100 254978
074 D000100 12253
074 E000100 11101
074 F000100 3307281
074 G000100 0
074 H000100 0
074 I000100 0
074 J000100 8959
074 K000100 0
074 L000100 4946
074 M000100 175
074 N000100 3600020
074 O000100 11480
074 P000100 0
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 39079
074 S000100 0
074 T000100 3549461
074 U010100 210706
074 U020100 0
074 V010100 16.85
074 V020100 0.00
074 W000100 0.0000
074 X000100 55248
<PAGE> PAGE 17
074 Y000100 254978
075 A000100 0
075 B000100 3629987
076 000100 0.00
024 000200 Y
025 A000201 KEMPEN & COMPANY
025 B000201 N/A
025 C000201 E
025 D000201 15954
025 D000202 0
025 D000203 0
025 D000204 0
025 D000205 0
025 D000206 0
025 D000207 0
025 D000208 0
028 A010200 42705
028 A020200 0
028 A030200 0
028 A040200 37240
028 B010200 26512
028 B020200 0
028 B030200 0
028 B040200 41741
028 C010200 26831
028 C020200 0
028 C030200 0
028 C040200 43264
028 D010200 21392
028 D020200 0
028 D030200 0
028 D040200 30893
028 E010200 24332
028 E020200 0
028 E030200 0
028 E040200 33489
028 F010200 30114
028 F020200 0
028 F030200 0
028 F040200 37562
028 G010200 171886
028 G020200 0
028 G030200 0
028 G040200 224189
028 H000200 0
045 000200 Y
046 000200 N
047 000200 Y
048 000200 0.000
048 A010200 100000
048 A020200 1.200
<PAGE> PAGE 18
048 B010200 400000
048 B020200 0.950
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 500000
048 K020200 0.750
049 000200 N
050 000200 N
051 000200 N
052 000200 N
053 A000200 N
058 A000200 N
059 000200 Y
060 A000200 Y
060 B000200 Y
061 000200 1000
066 A000200 Y
066 B000200 N
066 C000200 N
066 D000200 Y
066 E000200 N
066 F000200 N
066 G000200 N
067 000200 N
068 A000200 N
068 B000200 Y
069 000200 N
070 A010200 Y
070 A020200 N
070 B010200 Y
070 B020200 N
070 C010200 Y
070 C020200 N
070 D010200 Y
070 D020200 N
070 E010200 Y
070 E020200 N
<PAGE> PAGE 19
070 F010200 Y
070 F020200 Y
070 G010200 Y
070 G020200 N
070 H010200 Y
070 H020200 N
070 I010200 N
070 I020200 N
070 J010200 Y
070 J020200 Y
070 K010200 Y
070 K020200 Y
070 L010200 Y
070 L020200 Y
070 M010200 Y
070 M020200 Y
070 N010200 Y
070 N020200 N
070 O010200 Y
070 O020200 N
070 P010200 Y
070 P020200 Y
070 Q010200 N
070 Q020200 N
070 R010200 N
070 R020200 N
071 A000200 570304
071 B000200 709630
071 C000200 1527918
071 D000200 37
072 A000200 12
072 B000200 10223
072 C000200 23704
072 D000200 0
072 E000200 0
072 F000200 14124
072 G000200 858
072 H000200 0
072 I000200 1384
072 J000200 1957
072 K000200 0
072 L000200 575
072 M000200 94
072 N000200 58
072 O000200 0
072 P000200 0
072 Q000200 0
072 R000200 62
072 S000200 35
072 T000200 0
072 U000200 0
<PAGE> PAGE 20
072 V000200 0
072 W000200 72
072 X000200 19219
072 Y000200 0
072 Z000200 14708
072AA000200 218629
072BB000200 214441
072CC010200 215847
072CC020200 0
072DD010200 12611
072DD020200 0
072EE000200 22701
073 A010200 0.1500
073 A020200 0.0000
073 B000200 0.2700
073 C000200 0.0000
074 A000200 423
074 B000200 0
074 C000200 215687
074 D000200 7400
074 E000200 20412
074 F000200 1483926
074 G000200 0
074 H000200 0
074 I000200 0
074 J000200 809
074 K000200 0
074 L000200 4334
074 M000200 80
074 N000200 1733071
074 O000200 2479
074 P000200 0
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 5095
074 S000200 0
074 T000200 1725497
074 U010200 82874
074 U020200 0
074 V010200 20.82
074 V020200 0.00
074 W000200 0.0000
074 X000200 57198
074 Y000200 0
075 A000200 0
075 B000200 1718370
076 000200 0.00
024 000300 N
025 D000301 0
<PAGE> PAGE 21
025 D000302 0
025 D000303 0
025 D000304 0
025 D000305 0
025 D000306 0
025 D000307 0
025 D000308 0
028 A010300 15383
028 A020300 0
028 A030300 0
028 A040300 5909
028 B010300 14134
028 B020300 0
028 B030300 0
028 B040300 11997
028 C010300 10733
028 C020300 0
028 C030300 0
028 C040300 9270
028 D010300 8099
028 D020300 0
028 D030300 0
028 D040300 5702
028 E010300 8102
028 E020300 0
028 E030300 0
028 E040300 4819
028 F010300 12321
028 F020300 16214
028 F030300 0
028 F040300 11088
028 G010300 68772
028 G020300 16214
028 G030300 0
028 G040300 48785
028 H000300 0
045 000300 Y
046 000300 N
047 000300 Y
048 000300 0.000
048 A010300 200000
048 A020300 0.950
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
<PAGE> PAGE 22
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 200000
048 K020300 0.900
049 000300 N
050 000300 N
051 000300 N
052 000300 N
053 A000300 N
058 A000300 N
059 000300 Y
060 A000300 Y
060 B000300 Y
061 000300 1000
066 A000300 Y
066 B000300 N
066 C000300 N
066 D000300 Y
066 E000300 N
066 F000300 N
066 G000300 N
067 000300 N
068 A000300 N
068 B000300 N
069 000300 N
070 A010300 Y
070 A020300 Y
070 B010300 Y
070 B020300 N
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
070 H020300 N
070 I010300 N
070 I020300 N
070 J010300 Y
<PAGE> PAGE 23
070 J020300 N
070 K010300 Y
070 K020300 Y
070 L010300 Y
070 L020300 N
070 M010300 Y
070 M020300 N
070 N010300 Y
070 N020300 N
070 O010300 Y
070 O020300 N
070 P010300 Y
070 P020300 N
070 Q010300 N
070 Q020300 N
070 R010300 N
070 R020300 N
071 A000300 178181
071 B000300 95639
071 C000300 229131
071 D000300 42
072 A000300 12
072 B000300 1042
072 C000300 882
072 D000300 0
072 E000300 0
072 F000300 2336
072 G000300 124
072 H000300 0
072 I000300 246
072 J000300 34
072 K000300 0
072 L000300 126
072 M000300 11
072 N000300 33
072 O000300 0
072 P000300 0
072 Q000300 0
072 R000300 22
072 S000300 10
072 T000300 0
072 U000300 21
072 V000300 0
072 W000300 11
072 X000300 2974
072 Y000300 0
072 Z000300 -1050
072AA000300 29531
072BB000300 5740
072CC010300 0
072CC020300 14625
<PAGE> PAGE 24
072DD010300 0
072DD020300 0
072EE000300 19532
073 A010300 0.0000
073 A020300 0.0000
073 B000300 1.1200
073 C000300 0.0000
074 A000300 0
074 B000300 0
074 C000300 19577
074 D000300 0
074 E000300 0
074 F000300 262208
074 G000300 0
074 H000300 0
074 I000300 0
074 J000300 129
074 K000300 0
074 L000300 1216
074 M000300 66
074 N000300 283196
074 O000300 460
074 P000300 58
074 Q000300 0
074 R010300 0
074 R020300 0
074 R030300 0
074 R040300 1727
074 S000300 0
074 T000300 280951
074 U010300 18986
074 U020300 0
074 V010300 14.80
074 V020300 0.00
074 W000300 0.0000
074 X000300 8771
074 Y000300 0
075 A000300 0
075 B000300 247195
076 000300 0.00
024 000400 N
028 A010400 0
028 A020400 0
028 A030400 0
028 A040400 0
028 B010400 0
028 B020400 0
028 B030400 0
028 B040400 0
028 C010400 0
028 C020400 0
<PAGE> PAGE 25
028 C030400 0
028 C040400 0
028 D010400 0
028 D020400 0
028 D030400 0
028 D040400 0
028 E010400 24339
028 E020400 0
028 E030400 0
028 E040400 8
028 F010400 7349
028 F020400 0
028 F030400 0
028 F040400 248
028 G010400 31688
028 G020400 0
028 G030400 0
028 G040400 256
028 H000400 0
045 000400 Y
046 000400 N
047 000400 Y
048 000400 0.900
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
049 000400 N
050 000400 N
051 000400 N
052 000400 N
053 A000400 Y
053 B000400 Y
<PAGE> PAGE 26
053 C000400 N
058 A000400 N
059 000400 Y
060 A000400 N
060 B000400 N
061 000400 1000
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
070 A010400 Y
070 A020400 Y
070 B010400 Y
070 B020400 N
070 C010400 Y
070 C020400 N
070 D010400 Y
070 D020400 N
070 E010400 Y
070 E020400 N
070 F010400 Y
070 F020400 N
070 G010400 Y
070 G020400 N
070 H010400 Y
070 H020400 N
070 I010400 N
070 I020400 N
070 J010400 Y
070 J020400 N
070 K010400 Y
070 K020400 N
070 L010400 Y
070 L020400 N
070 M010400 Y
070 M020400 N
070 N010400 Y
070 N020400 N
070 O010400 Y
070 O020400 N
070 P010400 Y
070 P020400 N
070 Q010400 N
070 Q020400 N
<PAGE> PAGE 27
070 R010400 N
070 R020400 N
071 A000400 34025
071 B000400 4483
071 C000400 24314
071 D000400 18
072 A000400 2
072 B000400 7
072 C000400 38
072 D000400 0
072 E000400 0
072 F000400 26
072 G000400 1
072 H000400 0
072 I000400 18
072 J000400 0
072 K000400 0
072 L000400 1
072 M000400 0
072 N000400 4
072 O000400 0
072 P000400 0
072 Q000400 0
072 R000400 0
072 S000400 1
072 T000400 0
072 U000400 0
072 V000400 0
072 W000400 0
072 X000400 51
072 Y000400 12
072 Z000400 6
072AA000400 194
072BB000400 440
072CC010400 2532
072CC020400 0
072DD010400 0
072DD020400 0
072EE000400 0
073 A010400 0.0000
073 A020400 0.0000
073 B000400 0.0000
073 C000400 0.0000
074 A000400 254
074 B000400 994
074 C000400 0
074 D000400 0
074 E000400 0
074 F000400 31828
074 G000400 0
074 H000400 0
<PAGE> PAGE 28
074 I000400 0
074 J000400 0
074 K000400 0
074 L000400 743
074 M000400 0
074 N000400 33819
074 O000400 60
074 P000400 0
074 Q000400 0
074 R010400 0
074 R020400 0
074 R030400 0
074 R040400 35
074 S000400 0
074 T000400 33724
074 U010400 3150
074 U020400 0
074 V010400 10.71
074 V020400 0.00
074 W000400 0.0000
074 X000400 4108
074 Y000400 0
075 A000400 0
075 B000400 25254
076 000400 0.00
024 000500 N
028 A010500 0
028 A020500 0
028 A030500 0
028 A040500 0
028 B010500 0
028 B020500 0
028 B030500 0
028 B040500 0
028 C010500 0
028 C020500 0
028 C030500 0
028 C040500 0
028 D010500 0
028 D020500 0
028 D030500 0
028 D040500 0
028 E010500 10549
028 E020500 0
028 E030500 0
028 E040500 8
028 F010500 4190
028 F020500 0
028 F030500 0
028 F040500 173
028 G010500 14739
<PAGE> PAGE 29
028 G020500 0
028 G030500 0
028 G040500 181
028 H000500 0
045 000500 Y
046 000500 N
047 000500 Y
048 000500 0.950
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
049 000500 N
050 000500 N
051 000500 N
052 000500 N
053 A000500 Y
053 B000500 Y
053 C000500 N
058 A000500 N
059 000500 Y
060 A000500 N
060 B000500 N
061 000500 1000
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
<PAGE> PAGE 30
068 B000500 Y
069 000500 N
070 A010500 Y
070 A020500 Y
070 B010500 Y
070 B020500 N
070 C010500 Y
070 C020500 N
070 D010500 Y
070 D020500 N
070 E010500 Y
070 E020500 N
070 F010500 Y
070 F020500 N
070 G010500 Y
070 G020500 N
070 H010500 Y
070 H020500 N
070 I010500 N
070 I020500 N
070 J010500 Y
070 J020500 N
070 K010500 Y
070 K020500 Y
070 L010500 Y
070 L020500 Y
070 M010500 Y
070 M020500 Y
070 N010500 Y
070 N020500 N
070 O010500 Y
070 O020500 N
070 P010500 Y
070 P020500 N
070 Q010500 N
070 Q020500 N
070 R010500 N
070 R020500 N
071 A000500 13984
071 B000500 974
071 C000500 10163
071 D000500 10
072 A000500 2
072 B000500 3
072 C000500 5
072 D000500 0
072 E000500 0
072 F000500 11
072 G000500 1
072 H000500 0
072 I000500 13
<PAGE> PAGE 31
072 J000500 0
072 K000500 0
072 L000500 1
072 M000500 0
072 N000500 2
072 O000500 0
072 P000500 0
072 Q000500 0
072 R000500 0
072 S000500 1
072 T000500 0
072 U000500 0
072 V000500 0
072 W000500 0
072 X000500 29
072 Y000500 11
072 Z000500 -10
072AA000500 74
072BB000500 0
072CC010500 1163
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 0
074 B000500 1709
074 C000500 0
074 D000500 0
074 E000500 0
074 F000500 14250
074 G000500 0
074 H000500 0
074 I000500 0
074 J000500 0
074 K000500 777
074 L000500 0
074 M000500 0
074 N000500 16736
074 O000500 936
074 P000500 0
074 Q000500 0
074 R010500 0
074 R020500 0
074 R030500 0
074 R040500 15
074 S000500 0
074 T000500 15785
<PAGE> PAGE 32
074 U010500 1435
074 U020500 0
074 V010500 11.00
074 V020500 0.00
074 W000500 0.0000
074 X000500 2026
074 Y000500 0
075 A000500 0
075 B000500 11315
076 000500 0.00
SIGNATURE BRUCE LAUER
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
The following information is extracted from and qualified by reference to
registrant's report on form N-SAR for the period ended December 31, 1998 and the
audited financial statements included in registrant's annual report to
shareholders.
</LEGEND>
<SERIES>
<NUMBER> 1
<NAME> ACORN FUND
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-END> DEC-31-1998
<INVESTMENTS-AT-COST> 2139749
<INVESTMENTS-AT-VALUE> 3585613
<RECEIVABLES> 13905
<ASSETS-OTHER> 502
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3600020
<PAYABLE-FOR-SECURITIES> 11480
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 39079
<TOTAL-LIABILITIES> 50559
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2067199
<SHARES-COMMON-STOCK> 210706
<SHARES-COMMON-PRIOR> 216645
<ACCUMULATED-NII-CURRENT> 2531
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 33912
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1445819
<NET-ASSETS> 3549461
<DIVIDEND-INCOME> 27970
<INTEREST-INCOME> 13414
<OTHER-INCOME> 0
<EXPENSES-NET> 30352
<NET-INVESTMENT-INCOME> 11032
<REALIZED-GAINS-CURRENT> 234003
<APPREC-INCREASE-CURRENT> (43553)
<NET-CHANGE-FROM-OPS> 201482
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 6284
<DISTRIBUTIONS-OF-GAINS> 219264
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 28471
<NUMBER-OF-SHARES-REDEEMED> 47224
<SHARES-REINVESTED> 12814
<NET-CHANGE-IN-ASSETS> (131996)
<ACCUMULATED-NII-PRIOR> 498
<ACCUMULATED-GAINS-PRIOR> 47522
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 24905
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 30352
<AVERAGE-NET-ASSETS> 3629987
<PER-SHARE-NAV-BEGIN> 16.99
<PER-SHARE-NII> .04
<PER-SHARE-GAIN-APPREC> .91
<PER-SHARE-DIVIDEND> .03
<PER-SHARE-DISTRIBUTIONS> 1.06
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.85
<EXPENSE-RATIO> .84
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
The following information is extracted and qualified by reference to
registrant's report on form N-SAR for the period ended December 31, 1998 and the
audited financial statements included in registrant's annual report to
shareholders.
</LEGEND>
<SERIES>
<NUMBER> 2
<NAME> ACORN INTERNATIONAL
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-END> DEC-31-1998
<INVESTMENTS-AT-COST> 1197259
<INVESTMENTS-AT-VALUE> 1727425
<RECEIVABLES> 5143
<ASSETS-OTHER> 503
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1733071
<PAYABLE-FOR-SECURITIES> 2479
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5095
<TOTAL-LIABILITIES> 7574
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1209014
<SHARES-COMMON-STOCK> 82874
<SHARES-COMMON-PRIOR> 88273
<ACCUMULATED-NII-CURRENT> 5419
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (17845)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 528909
<NET-ASSETS> 1725497
<DIVIDEND-INCOME> 23704
<INTEREST-INCOME> 10223
<OTHER-INCOME> 0
<EXPENSES-NET> 19219
<NET-INVESTMENT-INCOME> 14708
<REALIZED-GAINS-CURRENT> 4188
<APPREC-INCREASE-CURRENT> 215847
<NET-CHANGE-FROM-OPS> 234743
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 12611
<DISTRIBUTIONS-OF-GAINS> 22701
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 19818
<NUMBER-OF-SHARES-REDEEMED> 26757
<SHARES-REINVESTED> 1540
<NET-CHANGE-IN-ASSETS> 102558
<ACCUMULATED-NII-PRIOR> 3986
<ACCUMULATED-GAINS-PRIOR> 15568
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 14124
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 19219
<AVERAGE-NET-ASSETS> 1718370
<PER-SHARE-NAV-BEGIN> 18.39
<PER-SHARE-NII> .17
<PER-SHARE-GAIN-APPREC> 2.68
<PER-SHARE-DIVIDEND> .15
<PER-SHARE-DISTRIBUTIONS> .27
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 20.82
<EXPENSE-RATIO> 1.12
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
The following information is extraceted from and qualified by reference to
registrant's report on form N-SAR for the period ended December 31, 1998 and the
audited financial statements included in registrant's annual report to
shareholders.
</LEGEND>
<SERIES>
<NUMBER> 3
<NAME> ACORN USA
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-END> DEC-31-1998
<INVESTMENTS-AT-COST> 265044
<INVESTMENTS-AT-VALUE> 281785
<RECEIVABLES> 1345
<ASSETS-OTHER> 66
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 283196
<PAYABLE-FOR-SECURITIES> 460
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1785
<TOTAL-LIABILITIES> 2245
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 263734
<SHARES-COMMON-STOCK> 18986
<SHARES-COMMON-PRIOR> 12212
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 476
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 16741
<NET-ASSETS> 280951
<DIVIDEND-INCOME> 882
<INTEREST-INCOME> 1042
<OTHER-INCOME> 0
<EXPENSES-NET> 2974
<NET-INVESTMENT-INCOME> (1050)
<REALIZED-GAINS-CURRENT> 23791
<APPREC-INCREASE-CURRENT> (14625)
<NET-CHANGE-FROM-OPS> 8116
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 19532
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 11062
<NUMBER-OF-SHARES-REDEEMED> 5558
<SHARES-REINVESTED> 1270
<NET-CHANGE-IN-ASSETS> 96327
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1581
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2336
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2979
<AVERAGE-NET-ASSETS> 247195
<PER-SHARE-NAV-BEGIN> 15.12
<PER-SHARE-NII> (.07)
<PER-SHARE-GAIN-APPREC> .87
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 1.12
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 14.80
<EXPENSE-RATIO> 1.20
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
The following information is extracted from and qualified by reference to
registrant's report on form N-SAR for the period ended December 31, 1998 and
the audited financial statements included in registrant's annual report to
shareholders.
</LEGEND>
<SERIES>
<NUMBER> 4
<NAME> ACORN TWENTY
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-END> DEC-31-1998
<INVESTMENTS-AT-COST> 30290
<INVESTMENTS-AT-VALUE> 32822
<RECEIVABLES> 743
<ASSETS-OTHER> 254
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 33819
<PAYABLE-FOR-SECURITIES> 60
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 35
<TOTAL-LIABILITIES> 95
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 31432
<SHARES-COMMON-STOCK> 3150
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 6
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (246)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2532
<NET-ASSETS> 33724
<DIVIDEND-INCOME> 38
<INTEREST-INCOME> 7
<OTHER-INCOME> 0
<EXPENSES-NET> 39
<NET-INVESTMENT-INCOME> 6
<REALIZED-GAINS-CURRENT> (246)
<APPREC-INCREASE-CURRENT> 2532
<NET-CHANGE-FROM-OPS> 2292
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3176
<NUMBER-OF-SHARES-REDEEMED> 26
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 33724
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 26
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 53
<AVERAGE-NET-ASSETS> 25254
<PER-SHARE-NAV-BEGIN> 10.00
<PER-SHARE-NII> 0
<PER-SHARE-GAIN-APPREC> .71
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.71
<EXPENSE-RATIO> 1.41
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
The following information is extracted from and qualified by reference to
registrant's report on form N-SAR for the period ended December 31, 1998 and the
audited financial statements included in registrant's annual report to
shareholders.
</LEGEND>
<SERIES>
<NUMBER> 5
<NAME> ACORN FOREIGN FORTY
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-END> DEC-31-1998
<INVESTMENTS-AT-COST> 14793
<INVESTMENTS-AT-VALUE> 15959
<RECEIVABLES> 777
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 16736
<PAYABLE-FOR-SECURITIES> 936
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 15
<TOTAL-LIABILITIES> 951
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 14558
<SHARES-COMMON-STOCK> 1435
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 9
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 74
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1144
<NET-ASSETS> 15785
<DIVIDEND-INCOME> 5
<INTEREST-INCOME> 3
<OTHER-INCOME> 0
<EXPENSES-NET> 18
<NET-INVESTMENT-INCOME> (10)
<REALIZED-GAINS-CURRENT> 74
<APPREC-INCREASE-CURRENT> 1163
<NET-CHANGE-FROM-OPS> 1227
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1453
<NUMBER-OF-SHARES-REDEEMED> 18
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 15785
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 11
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 32
<AVERAGE-NET-ASSETS> 11315
<PER-SHARE-NAV-BEGIN> 10.00
<PER-SHARE-NII> (.01)
<PER-SHARE-GAIN-APPREC> 1.01
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.00
<EXPENSE-RATIO> 1.73
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>