<PAGE> PAGE 1
000 A000000 06/30/96
000 C000000 067813
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 U
001 A000000 MONTGOMERY STREET INCOME SECURITIES, INC.
001 B000000 811-2341
001 C000000 4159818191
002 A000000 101 CALIFORNIA STREET, SUITE 4100
002 B000000 SAN FRANCISCO
002 C000000 CA
002 D010000 94111
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
015 A000001 MERITA BANK, LTD.
015 B000001 S
015 C010001 HELSINKI
015 D010001 FINLAND
015 E040001 X
015 A000005 THE FUJI BANK LIMITED
015 B000005 C
015 C010005 NEW YORK
015 C020005 NY
015 C030005 10036
015 E010005 X
015 A000006 CHASE MANHATTAN BANK AUSTRALIA LIMITED
015 B000006 S
015 C010006 SYDNEY
015 D010006 AUSTRALIA
015 E040006 X
015 A000007 CREDITANSTALT-BANKVEREIN
015 B000007 S
015 C010007 VIENNA
015 D010007 AUSTRIA
015 E040007 X
015 A000008 GENERALE BANK
015 B000008 S
015 C010008 BRUSSELS
015 D010008 BELGIUM
015 E040008 X
015 A000009 ROYAL BANK OF CANADA
015 B000009 S
015 C010009 TORONTO
<PAGE> PAGE 2
015 D010009 CANADA
015 E040009 X
015 A000010 CANADA TRUST CO.
015 B000010 S
015 C010010 TORONTO
015 D010010 CANADA
015 E040010 X
015 A000011 DEN DANSKE BANK
015 B000011 S
015 C010011 COPENHAGEN
015 D010011 DENMARK
015 E040011 X
015 A000012 KANSALLIS-OSAKE-PANKKI
015 B000012 S
015 C010012 HELSINKI
015 D010012 FINLAND
015 E040012 X
015 A000013 BANQUE PARIBAS
015 B000013 S
015 C010013 PARIS
015 D010013 FRANCE
015 E040013 X
015 A000014 CHASE BANK A.G.
015 B000014 S
015 C010014 FRANKFURT
015 D010014 GERMANY
015 E040014 X
015 A000015 CHASE MANHATTAN BANK
015 B000015 S
015 C010015 HONG KONG
015 D010015 HONG KONG
015 E040015 X
015 A000016 CHASE MANHATTAN BANK
015 B000016 S
015 C010016 MILAN
015 D010016 ITALY
015 E040016 X
015 A000017 THE FUJI BANK LIMITED
015 B000017 S
015 C010017 TOKYO
015 D010017 JAPAN
015 E040017 X
022 A000001 SALOMON BROTHERS
022 B000001 13-3082694
022 C000001 29451
022 D000001 22690
022 A000002 BENEFICIAL CORP.
022 C000002 38275
022 D000002 4551
022 A000003 FORD MOTOR CREDIT
022 B000003 38-1612444
<PAGE> PAGE 3
022 C000003 36337
022 D000003 3390
022 A000004 AMERICAN EXPRESS CREDIT
022 B000004 13-2518466
022 C000004 35886
022 D000004 5000
022 A000005 GOLDMAN, SACHS & CO.
022 C000005 7529
022 D000005 14669
022 A000006 PRUDENTIAL FUNDING
022 C000006 8486
022 D000006 2679
022 A000007 SUTRO & CO.
022 C000007 3721
022 D000007 6836
022 A000008 MORGAN STANLEY & CO.
022 C000008 5107
022 D000008 4088
022 A000009 LEHMAN BROTHERS SECURITIES
022 C000009 5226
022 D000009 1584
022 A000010 SMITH BARNEY SHEARSON
022 C000010 3099
022 D000010 1521
023 C000000 210638
023 D000000 71615
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<PAGE> PAGE 4
062 P000000 62.3
062 Q000000 3.6
062 R000000 1.7
063 A000000 0
063 B000000 12.9
064 A000000 N
064 B000000 N
070 A010000 Y
070 A020000 N
070 B010000 N
070 B020000 N
070 C010000 N
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 N
070 K020000 N
070 L010000 Y
070 L020000 Y
070 M010000 Y
070 M020000 Y
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
070 Q010000 Y
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 210638
071 B000000 207180
071 C000000 190003
071 D000000 69
072 A000000 6
072 B000000 7499
072 C000000 164
072 D000000 0
<PAGE> PAGE 5
072 E000000 0
072 F000000 478
072 G000000 53
072 H000000 0
072 I000000 0
072 J000000 11
072 K000000 0
072 L000000 48
072 M000000 41
072 N000000 0
072 O000000 24
072 P000000 0
072 Q000000 0
072 R000000 27
072 S000000 12
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 71
072 X000000 765
072 Y000000 0
072 Z000000 6898
072AA000000 1696
072BB000000 1
072CC010000 20323
072CC020000 0
072DD010000 3532
072DD020000 0
072EE000000 0
073 A010000 0.3500
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 1
074 B000000 0
074 C000000 7106
074 D000000 181913
074 E000000 3399
074 F000000 0
074 G000000 0
074 H000000 0
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074 J000000 1998
074 K000000 0
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074 M000000 0
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074 P000000 77
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<PAGE> PAGE 6
074 R020000 0
074 R030000 0
074 R040000 2107
074 S000000 0
074 T000000 195597
074 U010000 10108
074 U020000 0
074 V010000 19.35
074 V020000 0.00
074 W000000 0.0000
074 X000000 6338
074 Y000000 0
075 A000000 0
075 B000000 197322
076 000000 17.38
077 A000000 Y
077 B000000 N
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
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077 P000000 N
077 Q010000 N
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077 Q030000 Y
078 000000 N
SIGNATURE THOMAS F. MCDONOUGH
TITLE VICE PRESIDENT
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the
Montgomery Street Income Securities Semiannual Report for the fiscal period
ended June 30, 1996 and is qualified in its entirety by reference to such
financial statements.
</LEGEND>
<SERIES>
<NUMBER>1
<NAME> MONTGOMERY STREET INCOME SECURITIES
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1996
<PERIOD-START> JAN-01-1996
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 194,196,671
<INVESTMENTS-AT-VALUE> 192,417,657
<RECEIVABLES> 5,362,036
<ASSETS-OTHER> 924
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 197,780,617
<PAYABLE-FOR-SECURITIES> 2,000,000
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 184,102
<TOTAL-LIABILITIES> 2,184,102
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 197,728,421
<SHARES-COMMON-STOCK> 10,108,105
<SHARES-COMMON-PRIOR> 10,091,241
<ACCUMULATED-NII-CURRENT> 3,572,932
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (3,925,824)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (1,779,014)
<NET-ASSETS> 195,596,515
<DIVIDEND-INCOME> 164,375
<INTEREST-INCOME> 7,498,931
<OTHER-INCOME> 0
<EXPENSES-NET> 764,869
<NET-INVESTMENT-INCOME> 6,898,437
<REALIZED-GAINS-CURRENT> 1,695,920
<APPREC-INCREASE-CURRENT> (11,009,367)
<NET-CHANGE-FROM-OPS> (2,415,010)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3,531,982)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 16,864
<NET-CHANGE-IN-ASSETS> (5,650,771)
<ACCUMULATED-NII-PRIOR> 206,477
<ACCUMULATED-GAINS-PRIOR> (5,621,744)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 477,812
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 764,869
<AVERAGE-NET-ASSETS> 197,322,218
<PER-SHARE-NAV-BEGIN> 19.94
<PER-SHARE-NII> .68
<PER-SHARE-GAIN-APPREC> (.92)
<PER-SHARE-DIVIDEND> (.35)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 19.35
<EXPENSE-RATIO> .78
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
