<PAGE> PAGE 1
000 B000000 12/31/1999
000 C000000 707833
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 U
001 A000000 COLUMBIA FIXED INCOME SECURITIES FUND, INC.
001 B000000 811-3581
001 C000000 5032223600
002 A000000 1301 SW FIFTH AVENUE
002 B000000 PORTLAND
002 C000000 OR
002 D010000 97201
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
022 A000001 LEHMAN GOVERNMENT SECURITIES
022 B000001 132726611
022 C000001 77751
022 D000001 107586
022 A000002 SALOMON BROTHERS
022 B000002 133082694
022 C000002 95162
022 D000002 86472
022 A000003 BEAR STEARNS & CO
022 B000003 133299429
022 C000003 71862
022 D000003 70444
022 A000004 GOLDMAN SACHS & CO.
022 B000004 135108880
022 C000004 70569
022 D000004 56240
022 A000005 MORGAN STANLEY & CO.
022 B000005 132655998
022 C000005 72583
022 D000005 49498
022 A000006 MERRILL LYNCH & CO.
022 B000006 135674085
022 C000006 37383
022 D000006 17886
022 A000007 GREENWICH CAPITAL MARKETS
022 B000007 133172275
022 C000007 23756
022 D000007 29180
022 A000008 PRUDENTIAL SECURITIES
<PAGE> PAGE 2
022 B000008 222347336
022 C000008 24315
022 D000008 20017
022 A000009 FIRST BOSTON (CREDIT SUISSE)
022 B000009 135659485
022 C000009 3377
022 D000009 38053
022 A000010 DONALDSON, LUFKIN & JENRE
022 B000010 132741729
022 C000010 33221
022 D000010 6876
023 C000000 610455
023 D000000 599936
024 000000 Y
025 A000001 GOLDMAN SACHS & CO
025 B000001 135108880
025 C000001 D
025 D000001 3600
025 A000002 SALOMON BROTHERS
025 B000002 133082694
025 C000002 D
025 D000002 3151
025 A000003 BEAR STEARNS
025 B000003 133299429
025 C000003 D
025 D000003 2988
025 A000004 FIRST BOSTON (CREDIT SUISSE)
025 B000004 135659485
025 C000004 D
025 D000004 5730
025 A000005 DONALDSON, LUFKIN & JENRE
025 B000005 132741729
025 C000005 D
025 D000005 2323
025 A000006 LEHMAN GOVERNMENT
025 B000006 132726611
025 C000006 D
025 D000006 3997
025 A000007 MORGAN STANLEY
025 B000007 132655998
025 C000007 D
025 D000007 3906
025 A000008 PRUDENTIAL SECURITIES
025 B000008 222347336
025 C000008 D
025 D000008 2548
028 A010000 7460
028 A020000 1739
028 A030000 0
028 A040000 19982
028 B010000 6945
<PAGE> PAGE 3
028 B020000 1723
028 B030000 0
028 B040000 13679
028 C010000 7526
028 C020000 1705
028 C030000 0
028 C040000 15693
028 D010000 10486
028 D020000 1806
028 D030000 0
028 D040000 13762
028 E010000 13520
028 E020000 1786
028 E030000 0
028 E040000 14369
028 F010000 10789
028 F020000 1955
028 F030000 0
028 F040000 10071
028 G010000 56726
028 G020000 10714
028 G030000 0
028 G040000 87556
028 H000000 0
029 000000 N
030 A000000 0
030 B000000 0.00
030 C000000 0.00
062 A000000 Y
062 B000000 0.5
062 C000000 0.0
062 D000000 3.3
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 5.2
062 N000000 40.8
062 O000000 0.0
062 P000000 36.0
062 Q000000 13.9
062 R000000 0.3
063 A000000 0
063 B000000 6.4
064 A000000 Y
064 B000000 N
066 A000000 N
<PAGE> PAGE 4
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
071 A000000 607958
071 B000000 605922
071 C000000 390558
071 D000000 155
072 A000000 12
072 B000000 28094
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 2105
072 G000000 0
072 H000000 95
072 I000000 299
072 J000000 31
072 K000000 37
072 L000000 41
072 M000000 4
072 N000000 27
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 27
072 S000000 5
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 29
072 X000000 2700
072 Y000000 0
072 Z000000 25394
072AA000000 2482
072BB000000 11731
072CC010000 0
072CC020000 23036
072DD010000 25394
072DD020000 0
072EE000000 123
073 A010000 0.7760
073 A020000 0.0000
073 B000000 0.0039
073 C000000 0.0000
074 A000000 0
074 B000000 13012
074 C000000 1995
074 D000000 381084
074 E000000 0
074 F000000 0
<PAGE> PAGE 5
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 0
074 L000000 5173
074 M000000 0
074 N000000 401264
074 O000000 3054
074 P000000 169
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 894
074 S000000 0
074 T000000 397147
074 U010000 31935
074 U020000 0
074 V010000 12.44
074 V020000 0.00
074 W000000 0.0000
074 X000000 11362
074 Y000000 3066
075 A000000 0
075 B000000 421071
076 000000 0.00
077 A000000 Y
077 B000000 Y
080 A000000 ICI MUTUAL INSURANCE COMPANY
080 C000000 15000
081 A000000 Y
081 B000000 14
082 A000000 Y
082 B000000 100
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
SIGNATURE J. JERRY INSKEEP, JR.
TITLE PRESIDENT
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
AUDITED ANNUAL REPORT OF THE COLUMBIA FUNDS DATED DECEMBER 31, 1999, AND
THE AUDITED ANNUAL REPORT OF THE COLUMBIA FUNDS DATED DECEMBER 31, 1998,
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<CIK> 0000707833
<NAME> COLUMBIA FIXED INCOME SECURITIES FUND, INC.
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 409,810,561
<INVESTMENTS-AT-VALUE> 396,090,926
<RECEIVABLES> 5,173,410
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 401,264,336
<PAYABLE-FOR-SECURITIES> 3,054,494
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,062,888
<TOTAL-LIABILITIES> 4,117,382
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 420,115,617
<SHARES-COMMON-STOCK> 31,934,837
<SHARES-COMMON-PRIOR> 31,478,253
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (9,249,028)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (13,719,635)
<NET-ASSETS> 397,146,954
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 28,093,930
<OTHER-INCOME> 0
<EXPENSES-NET> 2,699,927
<NET-INVESTMENT-INCOME> 25,394,003
<REALIZED-GAINS-CURRENT> (9,249,028)
<APPREC-INCREASE-CURRENT> (23,036,495)
<NET-CHANGE-FROM-OPS> (6,891,520)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 25,394,003
<DISTRIBUTIONS-OF-GAINS> 123,381
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 11,566,401
<NUMBER-OF-SHARES-REDEEMED> 12,763,958
<SHARES-REINVESTED> 1,654,141
<NET-CHANGE-IN-ASSETS> (25,183,177)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 123,381
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,105,357
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,703,812
<AVERAGE-NET-ASSETS> 421,071,409
<PER-SHARE-NAV-BEGIN> 13.42
<PER-SHARE-NII> 0.78
<PER-SHARE-GAIN-APPREC> (0.98)
<PER-SHARE-DIVIDEND> 0.776
<PER-SHARE-DISTRIBUTIONS> 0.004
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 12.44
<EXPENSE-RATIO> 0.64
</TABLE>
Report of Independent Accountants
To the Board of Directors and Shareholders of
Columbia Fixed Income Securities Fund, Inc.
In planning and performing our audit of the
financial statements of Columbia Fixed Income
Securities Fund, Inc. (the Fund) for the year
ended December 31, 1999, we considered its
internal control, including control activities for
safeguarding securities, in order to determine our
auditing procedures for the purpose of expressing
our opinion on the financial statements and to
comply with the requirements of Form N-SAR, not to
provide assurance on internal control.
The management of the Fund is responsible for
establishing and maintaining internal control. In
fulfilling this responsibility, estimates and
judgments by management are required to assess the
expected benefits and related costs of controls.
Generally, controls that are relevant to an audit
pertain to the entity's objective of preparing
financial statements for external purposes that
are fairly presented in conformity with generally
accepted accounting principles. Those controls
include the safeguarding of assets against
unauthorized acquisition, use or disposition.
Because of inherent limitations in internal
control, errors or fraud may occur and not be
detected. Also, projection of any evaluation of
internal control to future periods is subject to
the risk that controls may become inadequate
because of changes in conditions or that the
effectiveness of their design and operation may
deteriorate.
Our consideration of internal control would not
necessarily disclose all matters in internal
control that might be material weaknesses under
standards established by the American Institute of
Certified Public Accountants. A material weakness
is a condition in which the design or operation of
one or more of the internal control components
does not reduce to a relatively low level the risk
that misstatements caused by error or fraud in
amounts that would be material in relation to the
financial statements being audited may occur and
not be detected within a timely period by
employees in the normal course of performing their
assigned functions. However, we noted no matters
involving internal control and its operation,
including controls for safeguarding securities,
that we consider to be material weaknesses as
defined above as of December 31, 1999.
This report is intended solely for the information
and use of the Board of Directors, management and
the Securities and Exchange Commission and is not
intended to be and should not be used by anyone
other than these specified parties.
PricewaterhouseCoopers LLP
Portland, Oregon
February 4, 2000
