<PAGE> PAGE 1
000 A000000 09/30/98
000 C000000 0000315543
000 D000000 N
000 E000000 NF
000 F000000 Y
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000 J000000 A
001 A000000 IAI INVESTMENT FUND IV
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002 A000000 3700 FIRST BANK PLACE, 601 2ND AVE SOUTH
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002 C000000 MN
002 D010000 55402
002 D020000 4327
003 000000 N
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005 000000 N
006 000000 N
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007 C020100 IAI REGIONAL FUND
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010 B00AA01 8013784
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010 C03AA01 55402
010 C04AA01 4327
011 A00AA01 INVESTMENT ADVISERS, INC.
011 B00AA01 8-013784
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<PAGE> PAGE 2
011 C02AA01 MN
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011 C04AA01 4327
012 A00AA01 INVESTMENT ADVISERS, INC.
012 B00AA01 84-1664
012 C01AA01 MINNEAPOLIS
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013 A00AA01 KPMG PEAT MARWICK, LLP
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014 A00AA01 DELETE
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<PAGE> PAGE 3
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<PAGE> PAGE 4
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<PAGE> PAGE 5
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<PAGE> PAGE 6
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<PAGE> PAGE 7
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<PAGE> PAGE 8
071 A000100 92816
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<PAGE> PAGE 9
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080 A000100 ICI MUTUAL INSURANCE COMPANY
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085 B000100 N
SIGNATURE JILL STEVENSON
TITLE MANAGER MUTUAL FUNDS
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<NAME> IAI REGIONAL FUND
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<S> <C>
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