<PAGE> PAGE 1
000 B000000 12/31/1999
000 C000000 0000790558
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 FORTIS SERIES FUND, INC.
001 B000000 811-4615
001 C000000 6517384000
002 A000000 500 BIELENBERG DRIVE
002 B000000 WOODBURY
002 C000000 MN
002 D010000 55125
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 18
007 C010100 1
007 C020100 GROWTH STOCK SERIES
007 C030100 N
007 C010200 2
007 C020200 U.S. GOVERNMENT SECURITIES SERIES
007 C030200 N
007 C010300 3
007 C020300 MONEY MARKET SERIES
007 C030300 N
007 C010400 4
007 C020400 ASSET ALLOCATION SERIES
007 C030400 N
007 C010500 5
007 C020500 DIVERSIFIED INCOME SERIES
007 C030500 N
007 C010600 6
007 C020600 GLOBAL GROWTH SERIES
007 C030600 N
007 C010700 7
007 C020700 HIGH YIELD SERIES
007 C030700 N
007 C010800 8
007 C020800 GROWTH & INCOME SERIES
007 C030800 N
007 C010900 9
007 C020900 AGGRESSIVE GROWTH SERIES
007 C030900 N
007 C011000 10
007 C021000 GLOBAL ASSET ALLOCATION SERIES
<PAGE> PAGE 2
007 C031000 N
007 C011100 11
007 C021100 GLOBAL BOND SERIES
007 C031100 N
007 C011200 12
007 C021200 INTERNATIONAL STOCK SERIES
007 C031200 N
007 C011300 13
007 C021300 VALUE SERIES
007 C031300 N
007 C011400 14
007 C021400 S & P 500 INDEX SERIES
007 C031400 N
007 C011500 15
007 C021500 BLUE CHIP STOCK SERIES
007 C031500 N
007 C011600 16
007 C021600 MID CAP STOCK SERIES
007 C031600 N
007 C011700 17
007 C021700 LARGE CAP GROWTH SERIES
007 C031700 N
007 C011800 18
007 C021800 SMALL CAP VALUE SERIES
007 C031800 N
007 C011900 19
007 C012000 20
011 A00AA01 FORTIS INVESTORS, INC.
011 B00AA01 8-13846
011 C01AA01 WOODBURY
011 C02AA01 MN
011 C03AA01 55125
012 A00AA01 FORTIS ADVISERS, INC.
012 B00AA01 85-07877
012 C01AA01 WOODBURY
012 C02AA01 MN
012 C03AA01 55125
013 A00AA01 KPMG LLP
013 B01AA01 MINNEAPOLIS
013 B02AA01 MN
013 B03AA01 55402
015 A00AA01 U.S. BANK NATIONAL ASSOCIATION
015 B00AA01 C
015 C01AA01 MINNEAPOLIS
015 C02AA01 MN
015 C03AA01 55480
015 E01AA01 X
015 A00AA02 CITIBANK, N.A. (SAO PAULO BRANCH)
015 B00AA02 S
015 C01AA02 SAO PAULO
015 D01AA02 BRAZIL
<PAGE> PAGE 3
015 E04AA02 X
015 A00AA03 CITIBANK, N.A. (SANTIAGO BRANCH)
015 B00AA03 S
015 C01AA03 SANTIAGO
015 D01AA03 CHILE
015 E04AA03 X
015 A00AA04 STANDARD CHARTERED BANK SHANGHAI & SHENZEN
015 B00AA04 S
015 C01AA04 SHANGHAI
015 D01AA04 CHINA
015 E04AA04 X
015 A00AA05 CITITRUST COLUMBIA, S.A.
015 B00AA05 S
015 C01AA05 BOGOTA
015 D01AA05 COLUMBIA
015 E04AA05 X
015 A00AA06 CESKOSLOVENSKA OBCHODNA BANKA, A.S.
015 B00AA06 S
015 C01AA06 CZECK
015 D01AA06 CZECH REPUBLIC
015 E04AA06 X
015 A00AA07 DEN DANSKE BANK
015 B00AA07 S
015 C01AA07 COPENHAGEN
015 D01AA07 DENMARK
015 E04AA07 X
015 A00AA08 MERITA BANK LTD.
015 B00AA08 S
015 C01AA08 OSAKA
015 D01AA08 FINLAND
015 E04AA08 X
015 A00AA09 BANQUE PARIBAS
015 B00AA09 S
015 C01AA09 PARIS
015 D01AA09 FRANCE
015 E04AA09 X
015 A00AA10 DRESDNER BANK, AG
015 B00AA10 S
015 C01AA10 DRESDEN
015 D01AA10 GERMANY
015 E04AA10 X
015 A00AA11 NATIONAL BANK OF GREECE, S.A.
015 B00AA11 S
015 C01AA11 ATHENS
015 D01AA11 GREECE
015 E04AA11 X
015 A00AA12 CITIBANK BUDAPEST RT
015 B00AA12 S
015 C01AA12 BUDAPEST
015 D01AA12 HUNGARY
015 E04AA12 X
<PAGE> PAGE 4
015 A00AA13 THE HONG KONG & SHANGHAI BANKING CORP LTD
015 B00AA13 S
015 C01AA13 CALCUTTA
015 D01AA13 INDIA
015 E04AA13 X
015 A00AA14 STANDARD CHARTERED BANK
015 B00AA14 S
015 C01AA14 JAKARTA
015 D01AA14 INDONESIA
015 E04AA14 X
015 A00AA15 BANK LUEUMI -- LE ISRAEL B.M.
015 B00AA15 S
015 C01AA15 N/A/
015 D01AA15 ISRAEL
015 E04AA15 X
015 A00AA16 THE BANK OF TOKYO--MITSUBISHI, LTD.
015 B00AA16 S
015 C01AA16 TOKYO
015 D01AA16 JAPAN
015 E04AA16 X
015 A00AA17 STANDARD CHARTERED BANK
015 B00AA17 S
015 C01AA17 SEOUL
015 D01AA17 SOUTH KOREA
015 E04AA17 X
015 A00AA18 BANCOMER S.A. INSTITUCION DE BANCA MULTIPLE
015 B00AA18 S
015 C01AA18 MEXICO CITY
015 D01AA18 MEXICO
015 E04AA18 X
015 A00AA19 ABN-AMRO BANK N.V.
015 B00AA19 S
015 C01AA19 AMSTERDAM
015 D01AA19 THE NETHERLANDS
015 E04AA19 X
015 A00AA20 AUSTRALIA & NEW ZEALAND BANKING GROUP, LTD.
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015 C01AA20 AUKLAND
015 D01AA20 NEW ZEALAND
015 E04AA20 X
015 A00AA21 STANDARD CHARTERED BANK
015 B00AA21 S
015 C01AA21 N/A
015 D01AA21 PAKISTAN
015 E04AA21 X
015 A00AA22 CITIBANK, N.A. (LIMA BRANCH)
015 B00AA22 S
015 C01AA22 LIMA
015 D01AA22 PERU
015 E04AA22 X
015 A00AA23 STANDARD CHARTERED BANK
<PAGE> PAGE 5
015 B00AA23 S
015 C01AA23 MANILA
015 D01AA23 PHILIPPINES
015 E04AA23 X
015 A00AA24 CITIBANK (POLAND) S.A.
015 B00AA24 S
015 C01AA24 WARSAW
015 D01AA24 POLAND
015 E04AA24 X
015 A00AA25 BANCO ESPIRITO SANTO E COMERCIAL DE LISBOA,SA
015 B00AA25 S
015 C01AA25 LISBON
015 D01AA25 PORTUGAL
015 E04AA25 X
015 A00AA26 UNITED OVERSEAS BANK LTD
015 B00AA26 S
015 C01AA26 N/A
015 D01AA26 SINGAPORE
015 E04AA26 X
015 A00AA27 CESKOSLOVENSKA OBCHODNA BANKA, A.S.
015 B00AA27 S
015 C01AA27 N/A
015 D01AA27 SLOVAK REPUBLIC
015 E04AA27 X
015 A00AA28 STANDARD CHARTERED BANK
015 B00AA28 S
015 C01AA28 N/A
015 D01AA28 SRI LANKA
015 E04AA28 X
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015 B00AA29 S
015 C01AA29 N/A
015 D01AA29 SWEDEN
015 E04AA29 X
015 A00AA30 CENTRAL TRUST OF CHINA
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015 C01AA30 TAIPAI
015 D01AA30 TAIWAN
015 E04AA30 X
015 A00AA31 STANDARD CHARTERED BANK
015 B00AA31 S
015 C01AA31 N/A
015 D01AA31 THAILAND
015 E04AA31 X
015 A00AA32 STANDARD CHARTERED BANK
015 B00AA32 S
015 C01AA32 HONG KONG
015 D01AA32 HONG KONG
015 E04AA32 X
015 A00AA33 ALLIED IRISH BANK PLC
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<PAGE> PAGE 6
015 C01AA33 DUBLIN
015 D01AA33 IRELAND
015 E04AA33 X
015 A00AA34 CITIBANK, N.A. (CARACAS BRANCH)
015 B00AA34 S
015 C01AA34 CARACAS
015 D01AA34 VENEZUELA
015 E04AA34 X
015 A00AA35 CITIBANK, N.A. MILAN
015 B00AA35 S
015 C01AA35 MILAN
015 D01AA35 ITALY
015 E04AA35 X
015 A00AA36 BANCO SANTANDER
015 B00AA36 S
015 C01AA36 MADRID
015 D01AA36 SPAIN
015 E04AA36 X
015 A00AA37 ASBA BANK LTD.
015 B00AA37 S
015 C01AA37 JOHANNESBURG
015 D01AA37 SOUTH AFRICA
015 E04AA37 X
015 A00AA38 DEUTSCHE BANK S.A.
015 B00AA38 S
015 C01AA38 N/A
015 D01AA38 ARGENTINA
015 E04AA38 X
015 A00AA39 BANKERS TRUST AUSTRALIA LIMITED
015 B00AA39 S
015 C01AA39 N/A
015 D01AA39 AUSTRALIA
015 E04AA39 X
015 A00AA40 NATIONAL AUSTRALIA BANK LTD.
015 B00AA40 S
015 C01AA40 N/A
015 D01AA40 AUSTRALIA
015 E04AA40 X
015 A00AA41 DEUTSCHE BANK AG
015 B00AA41 S
015 C01AA41 N/A
015 D01AA41 AUSTRIA
015 E04AA41 X
015 A00AA42 BANK AUSTRIA AG
015 B00AA42 S
015 C01AA42 N/A
015 D01AA42 AUSTRIA
015 E04AA42 X
015 A00AA43 ANZ NOMINEES LTD.
015 B00AA43 S
015 C01AA43 N/A
<PAGE> PAGE 7
015 D01AA43 AUSTRALIA
015 E04AA43 X
015 A00AA44 THE HONG KONG AND SHANGHAI BANKING CORP.LTD.
015 B00AA44 S
015 C01AA44 N/A
015 D01AA44 BANGLADESH
015 E04AA44 X
015 A00AA45 STANDARD CHARTERED BANK
015 B00AA45 S
015 C01AA45 N/A
015 D01AA45 BANGLADESH
015 E04AA45 X
015 A00AA46 FORTIS BANK
015 B00AA46 S
015 C01AA46 N/A
015 D01AA46 BELGIUM
015 E04AA46 X
015 A00AA47 PARIBAS BRUSSELS BRANCH
015 B00AA47 S
015 C01AA47 N/A
015 D01AA47 BELGIUM
015 E04AA47 X
015 A00AA48 BARCLAYS BANK OF BOTSWANA LTD.
015 B00AA48 S
015 C01AA48 N/A
015 D01AA48 BOTSWANA
015 E04AA48 X
015 A00AA49 DEUTSCHE BANK S.A.- BANCO ALEMAO
015 B00AA49 S
015 C01AA49 N/A
015 D01AA49 BRAZIL
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015 A00AA50 THE ROYAL BANK OF CANADA
015 B00AA50 S
015 C01AA50 N/A
015 D01AA50 CANADA
015 E04AA50 X
015 A00AA51 THE HONG KONG AND SHANGHAI BANKING CORP. LTD.
015 B00AA51 S
015 C01AA51 N/A
015 D01AA51 CHINA
015 E04AA51 X
015 A00AA52 DEUTSCHE BANK AG
015 B00AA52 S
015 C01AA52 N/A
015 D01AA52 CHINA
015 E04AA52 X
015 A00AA53 DEUTSCHE BANK AG
015 B00AA53 S
015 C01AA53 N/A
015 D01AA53 CZECH REPUBLIC
<PAGE> PAGE 8
015 E04AA53 X
015 A00AA54 CITIBANK, N.A.
015 B00AA54 S
015 C01AA54 N/A
015 D01AA54 ECUADOR
015 E04AA54 X
015 A00AA55 CITIBANK, N.A.
015 B00AA55 S
015 C01AA55 N/A
015 D01AA55 EGYPT
015 E04AA55 X
015 A00AA56 THE NATIONAL BANK OF EGYPT
015 B00AA56 S
015 C01AA56 N/A
015 D01AA56 EGYPT
015 E04AA56 X
015 A00AA57 DEUTSCHE BANK AG
015 B00AA57 S
015 C01AA57 N/A
015 D01AA57 FRANCE
015 E04AA57 X
015 A00AA58 DEUTSCHE BANK AG
015 B00AA58 S
015 C01AA58 N/A
015 D01AA58 GERMANY
015 E04AA58 X
015 A00AA59 BARCLAYS BANK OF GHANA LIMITED
015 B00AA59 S
015 C01AA59 N/A
015 D01AA59 GHANA
015 E04AA59 X
015 A00AA60 THE HONG KONG & SHANGHAI BANKING CORP. LTD.
015 B00AA60 S
015 C01AA60 N/A
015 D01AA60 HONG KONG
015 E04AA60 X
015 A00AA61 DEUTCHE BANK AG
015 B00AA61 S
015 C01AA61 N/A
015 D01AA61 HONG KONG
015 E04AA61 X
015 A00AA62 DEUTSCHE BANK RT.
015 B00AA62 S
015 C01AA62 N/A
015 D01AA62 HUNGARY
015 E04AA62 X
015 A00AA63 STANDARD CHARTERED BANK
015 B00AA63 S
015 C01AA63 N/A
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015 E04AA63 X
<PAGE> PAGE 9
015 A00AA64 DEUTSCHE BANK AG
015 B00AA64 S
015 C01AA64 N/A
015 D01AA64 INDIA
015 E04AA64 X
015 A00AA65 THE HONG KONG & SHANGAI BANKING CORP.LTD.
015 B00AA65 S
015 C01AA65 N/A
015 D01AA65 INDONESIA
015 E04AA65 X
015 A00AA66 DEUTSCHE BANK AG
015 B00AA66 S
015 C01AA66 N/A
015 D01AA66 INDONESIA
015 E04AA66 X
015 A00AA67 BANK OF IRELAND
015 B00AA67 S
015 C01AA67 N/A
015 D01AA67 IRELAND
015 E04AA67 X
015 A00AA68 BANK HAPOALIM
015 B00AA68 S
015 C01AA68 N/A
015 D01AA68 ISRAEL
015 E04AA68 X
015 A00AA69 BANCA COMMERCIALE ITALIANA
015 B00AA69 S
015 C01AA69 N/A
015 D01AA69 ITALY
015 E04AA69 X
015 A00AA70 DEUTSCHE BANK SOCIETA PAR AZIONI
015 B00AA70 S
015 C01AA70 N/A
015 D01AA70 ITALY
015 E04AA70 X
015 A00AA71 DAI ICH.KANGYO BANK LTD.
015 B00AA71 S
015 C01AA71 N/A
015 D01AA71 JAPAN
015 E04AA71 X
015 A00AA72 THE SUMITOMO BANK, LTD.
015 B00AA72 S
015 C01AA72 N/A
015 D01AA72 JAPAN
015 E04AA72 X
015 A00AA73 ARAB BANK, PLC.
015 B00AA73 S
015 C01AA73 N/A
015 D01AA73 JORDAN
015 E04AA73 X
015 A00AA74 BARCLAYS BANK OF KENYA LTD.
<PAGE> PAGE 10
015 B00AA74 S
015 C01AA74 N/A
015 D01AA74 KENYA
015 E04AA74 X
015 A00AA75 BANQUE GENERALE DU LUXEMBOURG
015 B00AA75 S
015 C01AA75 N/A
015 D01AA75 LUXEMBOURG
015 E04AA75 X
015 A00AA76 DEUTSCHE BANK (MALAYSIA) BERHAD
015 B00AA76 S
015 C01AA76 N/A
015 D01AA76 MALAYSIA
015 E04AA76 X
015 A00AA77 UNITED OVERSEAS BANK (MALAYSIA) BERHAD
015 B00AA77 S
015 C01AA77 N/A
015 D01AA77 MALAYSIA
015 E04AA77 X
015 A00AA78 THE HONG KONG & SHANGAI BANKING CORP. LTD.
015 B00AA78 S
015 C01AA78 N/A
015 D01AA78 MAURITIUS
015 E04AA78 X
015 A00AA79 BANCO MACIONALDE MEXICO
015 B00AA79 S
015 C01AA79 N/A
015 D01AA79 MEXICO
015 E04AA79 X
015 A00AA80 CITIBANK MEXICO, S.A.
015 B00AA80 S
015 C01AA80 N/A
015 D01AA80 MEXICO
015 E04AA80 X
015 A00AA81 BANQUE MAROCAINE DU COMMERCE EXTERIEUR
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015 C01AA81 N/A
015 D01AA81 MOROCCO
015 E04AA81 X
015 A00AA82 DEUTSCHE BANK AG
015 B00AA82 S
015 C01AA82 N/A
015 D01AA82 NETHERLANDS
015 E04AA82 X
015 A00AA83 THE HONG KONG & SHANGAI BANKING CORP. LTD.
015 B00AA83 S
015 C01AA83 N/A
015 D01AA83 NEW ZEALAND
015 E04AA83 X
015 A00AA84 NATIONAL NEMINEES LTD.
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<PAGE> PAGE 11
015 C01AA84 N/A
015 D01AA84 NEW ZEALAND
015 E04AA84 X
015 A00AA85 CHRISTIANIA BANK OF KREDITKASSE
015 B00AA85 S
015 C01AA85 N/A
015 D01AA85 NORWAY
015 E04AA85 X
015 A00AA86 DER NERSKE BANK ASA
015 B00AA86 S
015 C01AA86 N/A
015 D01AA86 NORWAY
015 E04AA86 X
015 A00AA87 THE HONG KONG & SHANGAI BANKING CORP. LTD.
015 B00AA87 S
015 C01AA87 N/A
015 D01AA87 PAKISTAN
015 E04AA87 X
015 A00AA88 DEUTSCHE BANK AG
015 B00AA88 S
015 C01AA88 N/A
015 D01AA88 PAKISTAN
015 E04AA88 X
015 A00AA89 THE HONG KONG & SHANGAI BANKING CORP. LTD.
015 B00AA89 S
015 C01AA89 N/A
015 D01AA89 PHILIPPINES
015 E04AA89 X
015 A00AA90 DEUTSCHE BANK AG
015 B00AA90 S
015 C01AA90 N/A
015 D01AA90 PHILIPPINES
015 E04AA90 X
015 A00AA91 DEUTSCHE BANK POLSKA S.A.
015 B00AA91 S
015 C01AA91 N/A
015 D01AA91 POLAND
015 E04AA91 X
015 A00AA92 BANCO COMERCIAL PORTUGUES S.A.
015 B00AA92 S
015 C01AA92 N/A
015 D01AA92 PORTUGAL
015 E04AA92 X
015 A00AA93 CREDIT SUISSE FIRST BOSTON, AO.
015 B00AA93 S
015 C01AA93 N/A
015 D01AA93 RUSSIA
015 E04AA93 X
015 A00AA94 DEUTSCHE BANK LTD.
015 B00AA94 S
015 C01AA94 N/A
<PAGE> PAGE 12
015 D01AA94 RUSSIA
015 E04AA94 X
015 A00AA95 DEUTSCHE BANK LTD.
015 B00AA95 S
015 C01AA95 N/A
015 D01AA95 SINGAPORE
015 E04AA95 X
015 A00AA96 BANK AUSTRIA AG
015 B00AA96 S
015 C01AA96 N/A
015 D01AA96 SLOVAK REPUBLIC
015 E04AA96 X
015 A00AA97 THE HONG KONG & SHANGAI BANKING CORP.LTD.
015 B00AA97 S
015 C01AA97 N/A
015 D01AA97 SOUTH KOREA
015 E04AA97 X
015 A00AA98 DEUTSCHE BANK AG
015 B00AA98 S
015 C01AA98 N/A
015 D01AA98 SOUTH KOREA
015 E04AA98 X
015 A00AA99 DEUTSCHE BANK SOCIEDAD ANONIMA ESPANOLA
015 B00AA99 S
015 C01AA99 N/A
015 D01AA99 SPAIN
015 E04AA99 X
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019 A00AA00 Y
019 B00AA00 33
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020 C000001 343
020 A000002 BEAR, STEARNS & CO.
020 B000002 13-3299429
020 C000002 310
020 A000003 DEUTSCHE MORGAN GRENFELL, INC.
020 B000003 13-2730828
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020 A000004 BERNSTEIN (SANFORD C.) & CO., INC.
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020 C000004 287
020 A000005 MORGAN STANLEY/DEAN WITTER
020 B000005 13-2655998
020 C000005 283
020 A000006 LAZARD FRERES & CO.
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020 A000007 COWEN & CO.
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<PAGE> PAGE 13
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022 A000003 BEAR, STEARNS & CO.
022 B000003 13-3299429
022 C000003 167579
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022 A000009 DONALDSON, LUFKIN & JENRETTE SECURITIES
022 B000009 13-2741729
022 C000009 138034
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022 A000010 HAMBRECHT & QUIST, LLC
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<PAGE> PAGE 14
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<PAGE> PAGE 15
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<PAGE> PAGE 16
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<PAGE> PAGE 17
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<PAGE> PAGE 18
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<PAGE> PAGE 19
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<PAGE> PAGE 20
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<PAGE> PAGE 21
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<PAGE> PAGE 22
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<PAGE> PAGE 23
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<PAGE> PAGE 24
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<PAGE> PAGE 25
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<PAGE> PAGE 26
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<PAGE> PAGE 27
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<PAGE> PAGE 28
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<PAGE> PAGE 29
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<PAGE> PAGE 30
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<PAGE> PAGE 31
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<PAGE> PAGE 32
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<PAGE> PAGE 33
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<PAGE> PAGE 34
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<PAGE> PAGE 35
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<PAGE> PAGE 36
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<PAGE> PAGE 37
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<PAGE> PAGE 38
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<PAGE> PAGE 39
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<PAGE> PAGE 41
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<PAGE> PAGE 42
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<PAGE> PAGE 43
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<PAGE> PAGE 44
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<PAGE> PAGE 45
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<PAGE> PAGE 46
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<PAGE> PAGE 47
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<PAGE> PAGE 48
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<PAGE> PAGE 49
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<PAGE> PAGE 50
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<PAGE> PAGE 51
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<PAGE> PAGE 52
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<PAGE> PAGE 53
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<PAGE> PAGE 55
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<PAGE> PAGE 56
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<PAGE> PAGE 57
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008 A001001 FORTIS ADVISERS, INC.
008 B001001 A
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008 D011001 WOODBURY
008 D021001 MN
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<PAGE> PAGE 58
025 C001003 D
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025 A001004 U.S. BANCORP
025 B001004 41-0256395
025 C001004 E
025 D001004 282
025 A001005 WESTPAC BANKING CORP. & KEARNEY
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<PAGE> PAGE 59
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<PAGE> PAGE 60
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070 G011000 Y
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070 H011000 Y
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070 J021000 Y
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070 L011000 Y
070 L021000 Y
070 M011000 Y
070 M021000 Y
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<PAGE> PAGE 61
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<PAGE> PAGE 62
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008 A001101 FORTIS ADVISERS, INC.
008 B001101 A
008 C001101 801-07877
008 D011101 WOODBURY
008 D021101 MN
008 D031101 55125
008 A001102 MERRILL LYNCH MERCURY ASSET MGMT.ITL.LTD.
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<PAGE> PAGE 63
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<PAGE> PAGE 64
050 001100 N
051 001100 N
052 001100 N
053 A001100 N
055 A001100 Y
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<PAGE> PAGE 65
070 F021100 N
070 G011100 Y
070 G021100 N
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070 K021100 Y
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070 O021100 N
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<PAGE> PAGE 66
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008 A001201 FORTIS ADVISERS, INC.
008 B001201 A
008 C001201 801-07877
<PAGE> PAGE 67
008 D011201 WOODBURY
008 D021201 MN
008 D031201 55125
008 A001202 LAZARD-FRERES ASSET MANAGEMENT
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<PAGE> PAGE 68
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<PAGE> PAGE 69
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<PAGE> PAGE 70
070 Q011200 N
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<PAGE> PAGE 71
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008 A001301 FORTIS ADVISERS, INC.
008 B001301 A
008 C001301 801-07877
008 D011301 WOODBURY
008 D021301 MN
008 D031301 55125
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<PAGE> PAGE 72
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<PAGE> PAGE 73
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<PAGE> PAGE 74
070 B011300 Y
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<PAGE> PAGE 75
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<PAGE> PAGE 76
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008 A001401 FORTIS ADVISERS, INC.
008 B001401 A
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<PAGE> PAGE 77
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<PAGE> PAGE 78
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<PAGE> PAGE 79
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<PAGE> PAGE 80
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<PAGE> PAGE 81
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<PAGE> PAGE 82
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<PAGE> PAGE 83
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<PAGE> PAGE 84
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<PAGE> PAGE 85
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<PAGE> PAGE 86
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<PAGE> PAGE 87
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<PAGE> PAGE 88
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<PAGE> PAGE 89
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<PAGE> PAGE 90
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<PAGE> PAGE 91
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<PAGE> PAGE 92
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<PAGE> PAGE 93
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<PAGE> PAGE 94
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<PAGE> PAGE 95
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008 A001801 FORTIS ADVISERS, INC.
008 B001801 A
008 C001801 801-07877
008 D011801 WOODBURY
008 D021801 MN
008 D031801 55125
008 A001802 BERGER ASSOCIATES, INC.
008 B001802 S
008 C001802 801-9451
008 D011802 DENVER
008 D021802 CO
008 D031802 80206
008 D041802 4616
024 001800 Y
025 A001801 U.S. BANK (N.A.) MINNEAPOLIS
025 B001801 41-0256395
025 C001801 D
025 D001801 536
025 A001802 MORGAN STANLEY DEAN WITTER
025 B001802 13-2655998
025 C001802 E
025 D001802 650
025 D001803 0
025 D001804 0
<PAGE> PAGE 96
025 D001805 0
025 D001806 0
025 D001807 0
025 D001808 0
028 A011800 2597
028 A021800 0
028 A031800 0
028 A041800 345
028 B011800 2842
028 B021800 0
028 B031800 0
028 B041800 204
028 C011800 1887
028 C021800 449
028 C031800 0
028 C041800 364
028 D011800 2308
028 D021800 0
028 D031800 0
028 D041800 14
028 E011800 1150
028 E021800 0
028 E031800 0
028 E041800 379
028 F011800 1228
028 F021800 1253
028 F031800 0
028 F041800 810
028 G011800 12012
028 G021800 1702
028 G031800 0
028 G041800 2116
028 H001800 0
045 001800 Y
046 001800 N
047 001800 Y
048 001800 0.000
048 A011800 50000
048 A021800 0.900
048 B011800 0
048 B021800 0.000
048 C011800 0
048 C021800 0.000
048 D011800 0
048 D021800 0.000
048 E011800 0
048 E021800 0.000
048 F011800 0
048 F021800 0.000
048 G011800 0
048 G021800 0.000
<PAGE> PAGE 97
048 H011800 0
048 H021800 0.000
048 I011800 0
048 I021800 0.000
048 J011800 0
048 J021800 0.000
048 K011800 50000
048 K021800 0.850
049 001800 N
050 001800 N
051 001800 N
052 001800 N
053 A001800 N
055 A001800 N
055 B001800 N
056 001800 Y
057 001800 N
058 A001800 N
059 001800 Y
060 A001800 Y
060 B001800 Y
061 001800 0
062 A001800 N
062 B001800 0.0
062 C001800 0.0
062 D001800 0.0
062 E001800 0.0
062 F001800 0.0
062 G001800 0.0
062 H001800 0.0
062 I001800 0.0
062 J001800 0.0
062 K001800 0.0
062 L001800 0.0
062 M001800 0.0
062 N001800 0.0
062 O001800 0.0
062 P001800 0.0
062 Q001800 0.0
062 R001800 0.0
063 A001800 0
063 B001800 0.0
066 A001800 Y
066 B001800 N
066 C001800 Y
066 D001800 N
066 E001800 N
066 F001800 N
066 G001800 N
067 001800 N
068 A001800 N
<PAGE> PAGE 98
068 B001800 N
069 001800 N
070 A011800 Y
070 A021800 N
070 B011800 Y
070 B021800 N
070 C011800 Y
070 C021800 N
070 D011800 Y
070 D021800 N
070 E011800 N
070 E021800 N
070 F011800 Y
070 F021800 N
070 G011800 Y
070 G021800 N
070 H011800 Y
070 H021800 N
070 I011800 N
070 I021800 N
070 J011800 Y
070 J021800 N
070 K011800 Y
070 K021800 Y
070 L011800 Y
070 L021800 Y
070 M011800 Y
070 M021800 N
070 N011800 Y
070 N021800 N
070 O011800 Y
070 O021800 N
070 P011800 Y
070 P021800 N
070 Q011800 N
070 Q021800 N
070 R011800 N
070 R021800 N
071 A001800 37673
071 B001800 17689
071 C001800 26013
071 D001800 68
072 A001800 12
072 B001800 87
072 C001800 635
072 D001800 0
072 E001800 0
072 F001800 248
072 G001800 0
072 H001800 0
072 I001800 0
<PAGE> PAGE 99
072 J001800 17
072 K001800 1
072 L001800 2
072 M001800 1
072 N001800 0
072 O001800 0
072 P001800 0
072 Q001800 0
072 R001800 17
072 S001800 1
072 T001800 0
072 U001800 0
072 V001800 0
072 W001800 1
072 X001800 288
072 Y001800 0
072 Z001800 434
072AA001800 4137
072BB001800 1962
072CC011800 1396
072CC021800 0
072DD011800 428
072DD021800 0
072EE001800 1274
073 A011800 0.1145
073 A021800 0.0000
073 B001800 0.3597
073 C001800 0.0000
074 A001800 0
074 B001800 0
074 C001800 536
074 D001800 0
074 E001800 0
074 F001800 38998
074 G001800 0
074 H001800 0
074 I001800 0
074 J001800 149
074 K001800 0
074 L001800 56
074 M001800 0
074 N001800 39739
074 O001800 523
074 P001800 29
074 Q001800 0
074 R011800 0
074 R021800 0
074 R031800 0
074 R041800 16
074 S001800 0
074 T001800 39171
<PAGE> PAGE 100
074 U011800 3839
074 U021800 0
074 V011800 10.20
074 V021800 0.00
074 W001800 0.0000
074 X001800 2
074 Y001800 0
075 A001800 0
075 B001800 27591
076 001800 0.00
SIGNATURE TAMARA L. FAGELY
TITLE TREASURER
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 103 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 10
<NAME> GLOBAL ASSET ALLOCATION SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 60,559,802
<INVESTMENTS-AT-VALUE> 63,974,118
<RECEIVABLES> 1,392,865
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 797,137
<TOTAL-ASSETS> 66,164,120
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 97,422
<TOTAL-LIABILITIES> 97,422
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 61,173,567
<SHARES-COMMON-STOCK> 5,016,325
<SHARES-COMMON-PRIOR> 4,824,005
<ACCUMULATED-NII-CURRENT> (92,419)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,410,139
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,575,411
<NET-ASSETS> 66,066,698
<DIVIDEND-INCOME> 834,974
<INTEREST-INCOME> 1,401,064
<OTHER-INCOME> 0
<EXPENSES-NET> (694,861)
<NET-INVESTMENT-INCOME> 1,541,177
<REALIZED-GAINS-CURRENT> 3,322,091
<APPREC-INCREASE-CURRENT> (5,434,980)
<NET-CHANGE-FROM-OPS> (571,712)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,140,332)
<DISTRIBUTIONS-OF-GAINS> (3,771,667)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 494,776
<NUMBER-OF-SHARES-REDEEMED> (671,008)
<SHARES-REINVESTED> 368,552
<NET-CHANGE-IN-ASSETS> (3,019,557)
<ACCUMULATED-NII-PRIOR> (3,440)
<ACCUMULATED-GAINS-PRIOR> 1,369,891
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 614,231
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 694,861
<AVERAGE-NET-ASSETS> 68,029,000
<PER-SHARE-NAV-BEGIN> 14.32
<PER-SHARE-NII> 0.22
<PER-SHARE-GAIN-APPREC> (0.34)
<PER-SHARE-DIVIDEND> (0.24)
<PER-SHARE-DISTRIBUTIONS> (0.79)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 13.17
<EXPENSE-RATIO> 1.02
[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
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 109 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 9
<NAME> AGGRESSIVE GROWTH SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 214,235,213
<INVESTMENTS-AT-VALUE> 332,430,165
<RECEIVABLES> 8,692,453
<ASSETS-OTHER> 52,985,551<F1>
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 394,108,169
<PAYABLE-FOR-SECURITIES> 7,754,782
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 53,195,448<F1>
<TOTAL-LIABILITIES> 60,950,230
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 132,929,020
<SHARES-COMMON-STOCK> 9,859,699
<SHARES-COMMON-PRIOR> 8,973,277
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 82,033,967
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 118,194,952
<NET-ASSETS> 333,157,939
<DIVIDEND-INCOME> 240,024
<INTEREST-INCOME> 490,321
<OTHER-INCOME> 183,137<F2>
<EXPENSES-NET> (1,325,415)
<NET-INVESTMENT-INCOME> (411,933)
<REALIZED-GAINS-CURRENT> 82,466,554
<APPREC-INCREASE-CURRENT> 85,867,903
<NET-CHANGE-FROM-OPS> 167,922,524
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (74,969)
<DISTRIBUTIONS-OF-GAINS> (6,458,262)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,665,100
<NUMBER-OF-SHARES-REDEEMED> (1,085,748)
<SHARES-REINVESTED> 307,070
<NET-CHANGE-IN-ASSETS> 183,298,261
<ACCUMULATED-NII-PRIOR> 74,969
<ACCUMULATED-GAINS-PRIOR> 6,437,608
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,209,725
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,325,415
<AVERAGE-NET-ASSETS> 189,838,000
<PER-SHARE-NAV-BEGIN> 16.70
<PER-SHARE-NII> (0.04)
<PER-SHARE-GAIN-APPREC> 17.86
<PER-SHARE-DIVIDEND> (0.01)
<PER-SHARE-DISTRIBUTIONS> (0.72)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 33.79
<EXPENSE-RATIO> 0.72
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>Securities valued at $51,507,506 were on loan to brokers from the portfolio.
For collateral, the portfolio's custodian received $52,985,551 in cash.
<F2>Security lending income through December 31, 1999.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 105 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 15
<NAME> BLUE CHIP SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 208,249,467
<INVESTMENTS-AT-VALUE> 285,190,049
<RECEIVABLES> 671,419
<ASSETS-OTHER> 53,312,651<F1>
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 339,174,119
<PAYABLE-FOR-SECURITIES> 1,377,671
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 53,567,179<F1>
<TOTAL-LIABILITIES> 54,944,850
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 202,367,535
<SHARES-COMMON-STOCK> 12,958,021
<SHARES-COMMON-PRIOR> 9,846,939
<ACCUMULATED-NII-CURRENT> 10,313
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 4,910,840
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 76,940,581
<NET-ASSETS> 284,229,269
<DIVIDEND-INCOME> 1,868,605
<INTEREST-INCOME> 476,221
<OTHER-INCOME> 29,942<F2>
<EXPENSES-NET> (2,152,361)
<NET-INVESTMENT-INCOME> 222,407
<REALIZED-GAINS-CURRENT> 9,055,543
<APPREC-INCREASE-CURRENT> 35,138,572
<NET-CHANGE-FROM-OPS> 44,416,522
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (220,698)
<DISTRIBUTIONS-OF-GAINS> (3,844,293)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3,323,297
<NUMBER-OF-SHARES-REDEEMED> (406,623)
<SHARES-REINVESTED> 194,408
<NET-CHANGE-IN-ASSETS> 101,307,878
<ACCUMULATED-NII-PRIOR> 9,441
<ACCUMULATED-GAINS-PRIOR> (301,247)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,030,551
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,152,361
<AVERAGE-NET-ASSETS> 232,199,000
<PER-SHARE-NAV-BEGIN> 18.58
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> 3.65
<PER-SHARE-DIVIDEND> (0.02)
<PER-SHARE-DISTRIBUTIONS> (0.30)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 21.93
<EXPENSE-RATIO> 0.92
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>Securities valued at $51,536,677 were on loan to brokers from the portfolio.
For collateral, the portfolio's custodian recieved $53,312,651 in cash.
<F2>Security lending income through December 31, 1999.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 102 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 11
<NAME> GLOBAL BOND SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 25,565,634
<INVESTMENTS-AT-VALUE> 24,281,697
<RECEIVABLES> 518,129
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 194,089
<TOTAL-ASSETS> 24,993,915
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 68,339
<TOTAL-LIABILITIES> 68,339
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 26,478,029
<SHARES-COMMON-STOCK> 2,428,631
<SHARES-COMMON-PRIOR> 2,133,030
<ACCUMULATED-NII-CURRENT> 357,578
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (645,841)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (1,264,190)
<NET-ASSETS> 24,925,576
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,209,889
<OTHER-INCOME> 0
<EXPENSES-NET> (230,354)
<NET-INVESTMENT-INCOME> 979,535
<REALIZED-GAINS-CURRENT> (272,898)
<APPREC-INCREASE-CURRENT> (2,669,621)
<NET-CHANGE-FROM-OPS> (1,962,984)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (848,100)
<DISTRIBUTIONS-OF-GAINS> (190,104)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 706,551
<NUMBER-OF-SHARES-REDEEMED> (510,559)
<SHARES-REINVESTED> 99,609
<NET-CHANGE-IN-ASSETS> 266,379
<ACCUMULATED-NII-PRIOR> (146,800)
<ACCUMULATED-GAINS-PRIOR> 190,104
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 191,654
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 230,354
<AVERAGE-NET-ASSETS> 25,463,000
<PER-SHARE-NAV-BEGIN> 11,56
<PER-SHARE-NII> 0.57
<PER-SHARE-GAIN-APPREC> (1.44)
<PER-SHARE-DIVIDEND> (0.35)
<PER-SHARE-DISTRIBUTIONS> (0.08)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.26
<EXPENSE-RATIO> 0.90
[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
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 104 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 8
<NAME> GROWTH & INCOME SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 251,168,574
<INVESTMENTS-AT-VALUE> 317,048,950
<RECEIVABLES> 387,825
<ASSETS-OTHER> 52,941,130<F1>
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 370,377,905
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 53,192,160<F1>
<TOTAL-LIABILITIES> 53,192,160
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 208,884,710
<SHARES-COMMON-STOCK> 14,456,313
<SHARES-COMMON-PRIOR> 14,742,412
<ACCUMULATED-NII-CURRENT> 4,402,984
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 38,017,675
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 65,880,376
<NET-ASSETS> 317,185,745
<DIVIDEND-INCOME> 5,594,028
<INTEREST-INCOME> 844,675
<OTHER-INCOME> 103,403<F2>
<EXPENSES-NET> (2,138,075)
<NET-INVESTMENT-INCOME> 4,404,031
<REALIZED-GAINS-CURRENT> 38,018,834
<APPREC-INCREASE-CURRENT> (10,859,212)
<NET-CHANGE-FROM-OPS> 31,563,653
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (7,014,251)
<DISTRIBUTIONS-OF-GAINS> (13,057,923)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 620,808
<NUMBER-OF-SHARES-REDEEMED> (1,904,530)
<SHARES-REINVESTED> 997,623
<NET-CHANGE-IN-ASSETS> 4,246,255
<ACCUMULATED-NII-PRIOR> 7,013,204
<ACCUMULATED-GAINS-PRIOR> 13,056,764
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,971,921
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,138,075
<AVERAGE-NET-ASSETS> 311,233,000
<PER-SHARE-NAV-BEGIN> 21.23
<PER-SHARE-NII> 0.33
<PER-SHARE-GAIN-APPREC> 1.81
<PER-SHARE-DIVIDEND> (0.50)
<PER-SHARE-DISTRIBUTIONS> (0.93)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 21.94
<EXPENSE-RATIO> 0.69
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>Securities valued at $52,118,173 were on loan to brokers from the portfolio.
For collateral, the portfolio's custodian received $52,941,130 in cash.
<F2>Security lending income through December 31, 1999.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 107 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 6
<NAME> GLOBAL GROWTH SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 207,821,292
<INVESTMENTS-AT-VALUE> 474,157,386
<RECEIVABLES> 408,710
<ASSETS-OTHER> 78,002,223<F1>
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 552,568,319
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 78,388,018<F1>
<TOTAL-LIABILITIES> 78,388,018
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 157,463,468
<SHARES-COMMON-STOCK> 13,656,496
<SHARES-COMMON-PRIOR> 15,574,153
<ACCUMULATED-NII-CURRENT> 3,558,566
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 46,839,661
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 266,318,606
<NET-ASSETS> 474,180,301
<DIVIDEND-INCOME> 1,998,078
<INTEREST-INCOME> 632,296
<OTHER-INCOME> 71,132<F2>
<EXPENSES-NET> (2,720,950)
<NET-INVESTMENT-INCOME> (19,444)
<REALIZED-GAINS-CURRENT> 50,459,629
<APPREC-INCREASE-CURRENT> 126,235,538
<NET-CHANGE-FROM-OPS> 176,675,723
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (417,907)
<DISTRIBUTIONS-OF-GAINS> (8,202,447)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 770,884
<NUMBER-OF-SHARES-REDEEMED> (3,028,167)
<SHARES-REINVESTED> 339,626
<NET-CHANGE-IN-ASSETS> 122,704,147
<ACCUMULATED-NII-PRIOR> 416,661
<ACCUMULATED-GAINS-PRIOR> 8,161,735
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,486,130
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,720,950
<AVERAGE-NET-ASSETS> 358,858,000
<PER-SHARE-NAV-BEGIN> 22.57
<PER-SHARE-NII> 0.00
<PER-SHARE-GAIN-APPREC> 12.78
<PER-SHARE-DIVIDEND> (0.03)
<PER-SHARE-DISTRIBUTIONS> (0.60)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 34.72
<EXPENSE-RATIO> 0.77
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>Securities valued at $76,679,245 were on loan to brokers from the portfolio.
For collateral, the portfolio's custodian received $78,002,223 in cash.
<F2>Security lending income through December 31, 1999.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 108 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 1
<NAME> GROWTH STOCK SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 660,335,122
<INVESTMENTS-AT-VALUE> 1,048,077,338
<RECEIVABLES> 8,434,346
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1,056,511,684
<PAYABLE-FOR-SECURITIES> 11,068,421
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 715,269
<TOTAL-LIABILITIES> 11,783,690
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 487,717,916
<SHARES-COMMON-STOCK> 23,144,916
<SHARES-COMMON-PRIOR> 18,554,191
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 169,267,862
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 387,742,216
<NET-ASSETS> 1,044,727,994
<DIVIDEND-INCOME> 1,601,308
<INTEREST-INCOME> 2,086,247
<OTHER-INCOME> 0
<EXPENSES-NET> (5,107,299)
<NET-INVESTMENT-INCOME> (1,419,744)
<REALIZED-GAINS-CURRENT> 171,292,228
<APPREC-INCREASE-CURRENT> 207,427,522
<NET-CHANGE-FROM-OPS> 377,300,006
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,520,916)
<DISTRIBUTIONS-OF-GAINS> (224,015,952)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 469,349
<NUMBER-OF-SHARES-REDEEMED> (2,864,866)
<SHARES-REINVESTED> 6,986,242
<NET-CHANGE-IN-ASSETS> 282,374,227
<ACCUMULATED-NII-PRIOR> 1,520,916
<ACCUMULATED-GAINS-PRIOR> 223,411,330
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 4,716,919
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5,107,299
<AVERAGE-NET-ASSETS> 778,050,000
<PER-SHARE-NAV-BEGIN> 41.09
<PER-SHARE-NII> (0.05)
<PER-SHARE-GAIN-APPREC> 17.42
<PER-SHARE-DIVIDEND> (0.09)
<PER-SHARE-DISTRIBUTIONS> (13.23)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 45.14
<EXPENSE-RATIO> 0.66
[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
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 102 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 7
<NAME> HIGH YIELD SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 70,034,429
<INVESTMENTS-AT-VALUE> 66,870,717
<RECEIVABLES> 1,354,288
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 68,225,005
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 58,906
<TOTAL-LIABILITIES> 58,906
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 75,699,886
<SHARES-COMMON-STOCK> 7,496,362
<SHARES-COMMON-PRIOR> 7,165,758
<ACCUMULATED-NII-CURRENT> 6,530,561
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (10,900,636)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (3,163,712)
<NET-ASSETS> 68,166,099
<DIVIDEND-INCOME> 49,229
<INTEREST-INCOME> 6,888,089
<OTHER-INCOME> 0
<EXPENSES-NET> (406,652)
<NET-INVESTMENT-INCOME> 6,530,666
<REALIZED-GAINS-CURRENT> (9,316,276)
<APPREC-INCREASE-CURRENT> 3,551,263
<NET-CHANGE-FROM-OPS> 765,653
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (6,362,707)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 930,821
<NUMBER-OF-SHARES-REDEEMED> (1,313,629)
<SHARES-REINVESTED> 713,412
<NET-CHANGE-IN-ASSETS> (2,816,599)
<ACCUMULATED-NII-PRIOR> 6,362,602
<ACCUMULATED-GAINS-PRIOR> (1,584,360)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 355,332
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 406,652
<AVERAGE-NET-ASSETS> 70,862,000
<PER-SHARE-NAV-BEGIN> 9.91
<PER-SHARE-NII> 0.89
<PER-SHARE-GAIN-APPREC> (0.80)
<PER-SHARE-DIVIDEND> (0.91)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 9.09
<EXPENSE-RATIO> 0.57
[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
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 101 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 5
<NAME> DIVERSIFIED INCOME SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 104,006,633
<INVESTMENTS-AT-VALUE> 99,580,576
<RECEIVABLES> 1,652,951
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 101,233,527
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 80,377
<TOTAL-LIABILITIES> 80,377
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 109,516,163
<SHARES-COMMON-STOCK> 9,273,517
<SHARES-COMMON-PRIOR> 9,667,496
<ACCUMULATED-NII-CURRENT> 7,438,940
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (11,375,896)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (4,426,057)
<NET-ASSETS> 101,153,150
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 8,030,502
<OTHER-INCOME> 0
<EXPENSES-NET> (590,738)
<NET-INVESTMENT-INCOME> 7,439,764
<REALIZED-GAINS-CURRENT> (2,835,772)
<APPREC-INCREASE-CURRENT> (6,518,809)
<NET-CHANGE-FROM-OPS> (1,914,817)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (7,230,117)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 708,060
<NUMBER-OF-SHARES-REDEEMED> (1,770,065)
<SHARES-REINVESTED> 668,026
<NET-CHANGE-IN-ASSETS> (14,029,227)
<ACCUMULATED-NII-PRIOR> 7,229,293
<ACCUMULATED-GAINS-PRIOR> (8,540,124)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 518,738
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 590,738
<AVERAGE-NET-ASSETS> 109,475,000
<PER-SHARE-NAV-BEGIN> 11.91
<PER-SHARE-NII> 0.85
<PER-SHARE-GAIN-APPREC> (1.05)
<PER-SHARE-DIVIDEND> (0.80)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.91
<EXPENSE-RATIO> 0.54
[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
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 106 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 12
<NAME> INTERNATIONAL STOCK SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 109,273,255
<INVESTMENTS-AT-VALUE> 143,791,081
<RECEIVABLES> 548,341
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 144,339,422
<PAYABLE-FOR-SECURITIES> 219,039
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 151,356
<TOTAL-LIABILITIES> 370,395
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 102,145,023
<SHARES-COMMON-STOCK> 8,027,243
<SHARES-COMMON-PRIOR> 7,115,716
<ACCUMULATED-NII-CURRENT> 4,293,891
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3,027,018
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 34,503,095
<NET-ASSETS> 143,969,027
<DIVIDEND-INCOME> 2,361,263
<INTEREST-INCOME> 199,832
<OTHER-INCOME> 0
<EXPENSES-NET> (1,092,245)
<NET-INVESTMENT-INCOME> 1,468,850
<REALIZED-GAINS-CURRENT> 6,733,223
<APPREC-INCREASE-CURRENT> 18,409,223
<NET-CHANGE-FROM-OPS> 26,611,296
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (96,791)
<DISTRIBUTIONS-OF-GAINS> (61,734)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,014,188
<NUMBER-OF-SHARES-REDEEMED> (1,112,312)
<SHARES-REINVESTED> 9,651
<NET-CHANGE-IN-ASSETS> 40,913,496
<ACCUMULATED-NII-PRIOR> 96,265
<ACCUMULATED-GAINS-PRIOR> (818,904)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 979,010
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,092,245
<AVERAGE-NET-ASSETS> 116,252,000
<PER-SHARE-NAV-BEGIN> 14.48
<PER-SHARE-NII> 0.18
<PER-SHARE-GAIN-APPREC> 3.30
<PER-SHARE-DIVIDEND> (0.01)
<PER-SHARE-DISTRIBUTIONS> (0.01)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 17.94
<EXPENSE-RATIO> 0.94
[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
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 108 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 17
<NAME> LARGE CAP GROWTH SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 73,928,250
<INVESTMENTS-AT-VALUE> 87,092,658
<RECEIVABLES> 45,656
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 87,138,314
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 77,290
<TOTAL-LIABILITIES> 77,290
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 72,516,812
<SHARES-COMMON-STOCK> 5,783,459
<SHARES-COMMON-PRIOR> 1,587,509
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,379,804
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 13,164,408
<NET-ASSETS> 87,061,024
<DIVIDEND-INCOME> 287,914
<INTEREST-INCOME> 146,338
<OTHER-INCOME> 0
<EXPENSES-NET> (479,948)
<NET-INVESTMENT-INCOME> (45,696)
<REALIZED-GAINS-CURRENT> 3,223,783
<APPREC-INCREASE-CURRENT> 9,918,613
<NET-CHANGE-FROM-OPS> 13,096,700
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,268)
<DISTRIBUTIONS-OF-GAINS> (1,404,394)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4,222,642
<NUMBER-OF-SHARES-REDEEMED> (125,347)
<SHARES-REINVESTED> 98,655
<NET-CHANGE-IN-ASSETS> 67,940,294
<ACCUMULATED-NII-PRIOR> 1,268
<ACCUMULATED-GAINS-PRIOR> (393,935)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 443,837
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 479,948
<AVERAGE-NET-ASSETS> 49,437,000
<PER-SHARE-NAV-BEGIN> 12.04
<PER-SHARE-NII> (0.01)
<PER-SHARE-GAIN-APPREC> 3.28
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> (0.26)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 15.05
<EXPENSE-RATIO> 0.97
[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
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 103 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 4
<NAME> ASSET ALLOCATION SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 561,593,617
<INVESTMENTS-AT-VALUE> 690,645,017
<RECEIVABLES> 4,534,663
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 695,179,680
<PAYABLE-FOR-SECURITIES> 14,811,110
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 411,858
<TOTAL-LIABILITIES> 15,222,968
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 443,929,207
<SHARES-COMMON-STOCK> 29,847,054
<SHARES-COMMON-PRIOR> 28,154,879
<ACCUMULATED-NII-CURRENT> 15,806,752
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 91,169,353
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 129,051,400
<NET-ASSETS> 679,956,712
<DIVIDEND-INCOME> 3,221,036
<INTEREST-INCOME> 15,776,087
<OTHER-INCOME> 0
<EXPENSES-NET> (3,189,444)
<NET-INVESTMENT-INCOME> 15,807,679
<REALIZED-GAINS-CURRENT> 91,173,105
<APPREC-INCREASE-CURRENT> 5,530,133
<NET-CHANGE-FROM-OPS> 112,510,917
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (13,724,526)
<DISTRIBUTIONS-OF-GAINS> (45,255,570)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,709,242
<NUMBER-OF-SHARES-REDEEMED> (2,995,739)
<SHARES-REINVESTED> 2,978,672
<NET-CHANGE-IN-ASSETS> 86,078,842
<ACCUMULATED-NII-PRIOR> 13,723,599
<ACCUMULATED-GAINS-PRIOR> 45,251,818
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,887,514
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,189,444
<AVERAGE-NET-ASSETS> 613,970,000
<PER-SHARE-NAV-BEGIN> 21.09
<PER-SHARE-NII> 0.54
<PER-SHARE-GAIN-APPREC> 3.27
<PER-SHARE-DIVIDEND> (0.49)
<PER-SHARE-DISTRIBUTIONS> (1.63)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 22.78
<EXPENSE-RATIO> 0.52
[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
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 106 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 16
<NAME> MID CAP STOCK SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 22,426,212
<INVESTMENTS-AT-VALUE> 24,806,653
<RECEIVABLES> 30,297
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 24,836,950
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 37,443
<TOTAL-LIABILITIES> 37,443
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 21,668,574
<SHARES-COMMON-STOCK> 2,321,799
<SHARES-COMMON-PRIOR> 1,348,541
<ACCUMULATED-NII-CURRENT> 1,150
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 717,492
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2,412,291
<NET-ASSETS> 24,799,507
<DIVIDEND-INCOME> 198,116
<INTEREST-INCOME> 42,886
<OTHER-INCOME> 0
<EXPENSES-NET> (214,095)
<NET-INVESTMENT-INCOME> 26,907
<REALIZED-GAINS-CURRENT> 1,082,979
<APPREC-INCREASE-CURRENT> 1,449,522
<NET-CHANGE-FROM-OPS> 2,559,408
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (25,757)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,118,482
<NUMBER-OF-SHARES-REDEEMED> (147,796)
<SHARES-REINVESTED> 2,572
<NET-CHANGE-IN-ASSETS> 11,804,320
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (365,487)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 162,691
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 214,095
<AVERAGE-NET-ASSETS> 18,085,000
<PER-SHARE-NAV-BEGIN> 9.64
<PER-SHARE-NII> 0.01
<PER-SHARE-GAIN-APPREC> 1.04
<PER-SHARE-DIVIDEND> (0.01)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.68
<EXPENSE-RATIO> 1.18
[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
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 100 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 3
<NAME> MONEY MARKET SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 124,079,559
<INVESTMENTS-AT-VALUE> 124,079,559
<RECEIVABLES> 79,984
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 124,159,543
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 54,928
<TOTAL-LIABILITIES> 54,928
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 119,694,006
<SHARES-COMMON-STOCK> 11,079,259
<SHARES-COMMON-PRIOR> 6,968,506
<ACCUMULATED-NII-CURRENT> 4,466,661
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (56,052)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 124,104,615
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 4,789,510
<OTHER-INCOME> 0
<EXPENSES-NET> (322,444)
<NET-INVESTMENT-INCOME> 4,467,066
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 4,467,066
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3,352,892)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 11,017,535
<NUMBER-OF-SHARES-REDEEMED> (7,211,114)
<SHARES-REINVESTED> 304,332
<NET-CHANGE-IN-ASSETS> 47,007,480
<ACCUMULATED-NII-PRIOR> 3,352,487
<ACCUMULATED-GAINS-PRIOR> (65,473)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 274,499
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 322,444
<AVERAGE-NET-ASSETS> 91,500,000
<PER-SHARE-NAV-BEGIN> 11.06
<PER-SHARE-NII> 0.54
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.40)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 11.20
<EXPENSE-RATIO> 0.35
[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
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 107 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 18
<NAME> SMALL CAP VALUE SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 38,410,611
<INVESTMENTS-AT-VALUE> 39,534,299
<RECEIVABLES> 204,445
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 39,738,744
<PAYABLE-FOR-SECURITIES> 523,300
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 44,854
<TOTAL-LIABILITIES> 568,154
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 36,823,274
<SHARES-COMMON-STOCK> 3,838,536
<SHARES-COMMON-PRIOR> 1,778,432
<ACCUMULATED-NII-CURRENT> 7,618
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,216,010
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,123,688
<NET-ASSETS> 39,170,590
<DIVIDEND-INCOME> 635,320
<INTEREST-INCOME> 86,545
<OTHER-INCOME> 0
<EXPENSES-NET> (287,611)
<NET-INVESTMENT-INCOME> 434,254
<REALIZED-GAINS-CURRENT> 2,175,194
<APPREC-INCREASE-CURRENT> 1,395,459
<NET-CHANGE-FROM-OPS> 4,004,907
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (427,926)
<DISTRIBUTIONS-OF-GAINS> (1,273,708)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,171,147
<NUMBER-OF-SHARES-REDEEMED> (284,799)
<SHARES-REINVESTED> 173,756
<NET-CHANGE-IN-ASSETS> 22,667,127
<ACCUMULATED-NII-PRIOR> 1,290
<ACCUMULATED-GAINS-PRIOR> 314,524
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 248,146
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 287,611
<AVERAGE-NET-ASSETS> 27,591,000
<PER-SHARE-NAV-BEGIN> 9.28
<PER-SHARE-NII> 0.12
<PER-SHARE-GAIN-APPREC> 1.27
<PER-SHARE-DIVIDEND> (0.11)
<PER-SHARE-DISTRIBUTIONS> (0.36)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.20
<EXPENSE-RATIO> 1.04
[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
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 105 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 14
<NAME> S&P 500 INDEX SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 312,511,051
<INVESTMENTS-AT-VALUE> 424,803,556
<RECEIVABLES> 435,297
<ASSETS-OTHER> 78,570,012<F1>
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 503,808,865
<PAYABLE-FOR-SECURITIES> 254,994
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 78,780,482<F1>
<TOTAL-LIABILITIES> 79,035,476
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 305,030,797
<SHARES-COMMON-STOCK> 18,744,635
<SHARES-COMMON-PRIOR> 13,423,931
<ACCUMULATED-NII-CURRENT> 3,112,410
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 4,206,852
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 112,423,330
<NET-ASSETS> 424,773,389
<DIVIDEND-INCOME> 4,278,587
<INTEREST-INCOME> 363,127
<OTHER-INCOME> 37,392<F2>
<EXPENSES-NET> (1,566,142)
<NET-INVESTMENT-INCOME> 3,112,964
<REALIZED-GAINS-CURRENT> 4,436,694
<APPREC-INCREASE-CURRENT> 56,694,432
<NET-CHANGE-FROM-OPS> 64,244,090
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (21,459)
<DISTRIBUTIONS-OF-GAINS> (39,341)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 7,350,726
<NUMBER-OF-SHARES-REDEEMED> (2,032,947)
<SHARES-REINVESTED> 2,925
<NET-CHANGE-IN-ASSETS> 171,941,413
<ACCUMULATED-NII-PRIOR> 20,905
<ACCUMULATED-GAINS-PRIOR> 109,499
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,359,937
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,566,142
<AVERAGE-NET-ASSETS> 338,266,000
<PER-SHARE-NAV-BEGIN> 18.83
<PER-SHARE-NII> 0.17
<PER-SHARE-GAIN-APPREC> 3.66
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 22.66
<EXPENSE-RATIO> 0.46
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>Securities valued at $76,750,854 were on loan to brokers from the portfolio.
For collateral, the portfolio's custodian recieved $78,570,012 in cash.
<F2>Security lending income through December 31, 1999.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 101 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 2
<NAME> U.S. GOVERNMENT SECURITIES SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 143,066,232
<INVESTMENTS-AT-VALUE> 140,062,091
<RECEIVABLES> 1,151,558
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 141,213,649
<PAYABLE-FOR-SECURITIES> 2,450,000
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 105,721
<TOTAL-LIABILITIES> 2,555,721
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 153,327,066
<SHARES-COMMON-STOCK> 13,692,934
<SHARES-COMMON-PRIOR> 13,970,615
<ACCUMULATED-NII-CURRENT> 8,329,737
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (19,994,734)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (3,004,141)
<NET-ASSETS> 138,657,928
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 9,105,051
<OTHER-INCOME> 0
<EXPENSES-NET> (774,051)
<NET-INVESTMENT-INCOME> 8,331,000
<REALIZED-GAINS-CURRENT> (2,701,403)
<APPREC-INCREASE-CURRENT> (8,562,127)
<NET-CHANGE-FROM-OPS> (2,932,530)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (7,970,078)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,361,980
<NUMBER-OF-SHARES-REDEEMED> (2,429,575)
<SHARES-REINVESTED> 789,914
<NET-CHANGE-IN-ASSETS> (14,014,375)
<ACCUMULATED-NII-PRIOR> 7,968,815
<ACCUMULATED-GAINS-PRIOR> (17,293,331)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 689,891
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 774,051
<AVERAGE-NET-ASSETS> 147,573,000
<PER-SHARE-NAV-BEGIN> 10.93
<PER-SHARE-NII> 0.63
<PER-SHARE-GAIN-APPREC> (0.84)
<PER-SHARE-DIVIDEND> (0.59)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.13
<EXPENSE-RATIO> 0.52
[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
<LEGEND>
This schedule contains summary financial information extracted from the statement
of assets and liabilities, statement of operations, and statement of changes in
net assets found on pages 84 through 104 of the Fortis Series Fund, Inc. annual
shareholder report.
</LEGEND>
<CIK> 0000790558
<NAME> FORTIS SERIES FUND, INC.
<SERIES>
<NUMBER> 13
<NAME> VALUE SERIES
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 85,506,493
<INVESTMENTS-AT-VALUE> 94,579,960
<RECEIVABLES> 90,664
<ASSETS-OTHER> 18,295,700<F1>
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 112,966,324
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 18,383,192<F1>
<TOTAL-LIABILITIES> 18,383,192
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 79,472,187
<SHARES-COMMON-STOCK> 6,043,086
<SHARES-COMMON-PRIOR> 6,094,107
<ACCUMULATED-NII-CURRENT> 777,519
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 5,259,959
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 9,073,467
<NET-ASSETS> 94,583,132
<DIVIDEND-INCOME> 1,319,251
<INTEREST-INCOME> 152,355
<OTHER-INCOME> 13,753<F2>
<EXPENSES-NET> (707,409)
<NET-INVESTMENT-INCOME> 777,950
<REALIZED-GAINS-CURRENT> 6,011,807
<APPREC-INCREASE-CURRENT> 823,492
<NET-CHANGE-FROM-OPS> 7,613,249
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (9,862)
<DISTRIBUTIONS-OF-GAINS> (58,557)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 659,996
<NUMBER-OF-SHARES-REDEEMED> (715,516)
<SHARES-REINVESTED> 4,499
<NET-CHANGE-IN-ASSETS> 6,978,739
<ACCUMULATED-NII-PRIOR> 9,431
<ACCUMULATED-GAINS-PRIOR> 956,709
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 638,668
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 707,409
<AVERAGE-NET-ASSETS> 90,904,000
<PER-SHARE-NAV-BEGIN> 14.38
<PER-SHARE-NII> 0.13
<PER-SHARE-GAIN-APPREC> 1.15
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> (0.01)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 15.65
<EXPENSE-RATIO> 0.78
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>Securities valued at $18,198,213 were on loan to brokers from the portfolio.
For collateral, the portfolio's custodian received $18,295,700 in cash.
<F2>Security lending income through December 31, 1999.
</FN>
</TABLE>
