000 A000000 01/31/2014
000 C000000 0001510830
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 OPPENHEIMER ULTRA-SHORT DURATION FUND
001 B000000 811-22520
001 C000000 3037683468
002 A000000 6803 South Tucson Way
002 B000000 Centennial
002 C000000 CO
002 D010000 80112
002 D020000 3924
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
008 A000001 OFI Global Asset Management, Inc.
008 B000001 A
008 C000001 801-76771
008 D010001 New York
008 D020001 NY
008 D030001 10281
008 D040001 1008
008 A000002 OPPENHEIMERFUNDS, INC.
008 B000002 S
008 C000002 801-08253
008 D010002 NEW YORK
008 D020002 NY
008 D030002 10281
008 D040002 1008
011 A000001 OPPENHEIMERFUNDS DISTRIBUTOR, INC.
011 B000001 8-22992
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10281
011 C040001 1008
012 A000001 OFI Global Asset Management, Inc.
012 B000001 84-06477
012 C010001 Centennial
012 C020001 CO
012 C030001 80112
012 C040001 3924
012 A000002 Shareholder Services Inc (Sub-TA)

012 B000002 84-00907
012 C010002 Centennial
012 C020002 CO
012 C030002 80112
012 C040002 3924
013 A000001 KPMG LLP
013 B010001 DENVER
013 B020001 CO
013 B030001 80202
015 A000001 CITIBANK, N.A.
015 B000001 C
015 C010001 NEW YORK
015 C020001 NY
015 C030001 10154
015 E010001 X
018  000000 Y
019 A000000 Y
019 B000000   90
019 C000000 OPPENHEIMR
021  000000        0
022 A000001 CITIGROUP GLOBAL MARKETS INC.
022 B000001 11-2418191
022 C000001   4462051
022 D000001      6498
022 A000002 J.P. MORGAN SECURITIES LLC
022 B000002 13-3224016
022 C000002    461112
022 D000002     34948
022 A000003 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
022 B000003 13-5674085
022 C000003    324666
022 D000003       165
022 A000004 GOLDMAN, SACHS & CO.
022 B000004 13-5108880
022 C000004    243067
022 D000004      1050
022 A000005 WELLS FARGO SECURITIES, LLC
022 B000005 22-1147033
022 C000005     94518
022 D000005     10000
022 A000006 RBS SECURITIES INC.
022 B000006 13-3172275
022 C000006    103426
022 D000006         0
022 A000007 BARCLAYS CAPITAL, INC.
022 B000007 06-1031656
022 C000007     94420
022 D000007      6008
022 A000008 MORGAN STANLEY & CO. LLC
022 B000008 13-2655998
022 C000008     56483

022 D000008     10200
022 A000009 DEUTSCHE BANK SECURITIES INC.
022 B000009 13-2730828
022 C000009     39096
022 D000009     12199
022 A000010 CREDIT SUISSE SECURITIES (USA) LLC
022 B000010 13-8988118
022 C000010     41246
022 D000010         0
023 C000000    6044434
023 D000000      96761
024  000000 Y
025 A000001 BANK OF AMERICA SECURITIES
025 B000001 56-2058405
025 C000001 D
025 D000001   11515
025 A000002 BARCLAYS CAPITAL, INC.
025 B000002 06-1031656
025 C000002 D
025 D000002    2584
025 A000003 BNP PARIBAS SECURITIES CORP.
025 B000003 13-3235334
025 C000003 D
025 D000003    3191
025 A000004 CITIGROUP GLOBAL MARKETS
025 B000004 11-2418191
025 C000004 D
025 D000004   10275
025 A000005 GENERAL ELECTRIC CAPITAL CORP
025 B000005 13-1500700
025 C000005 D
025 D000005   12401
025 A000006 HSBC SECURITIES (USA) INC.
025 B000006 13-2650272
025 C000006 D
025 D000006    7818
025 A000007 RBC CAPITAL MARKETS, LLC
025 B000007 41-1416330
025 C000007 D
025 D000007    5007
025 A000008 WELLS FARGO SECURITIES
025 B000008 22-1147033
025 C000008 D
025 D000008    4022
025 A000009 WESTPAC
025 B000009 98-6008211
025 C000009 D
025 D000009    1502
026 A000000 N
026 B000000 Y
026 C000000 N

026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027  000000 Y
028 A010000    110075
028 A020000       166
028 A030000         0
028 A040000       134
028 B010000     30230
028 B020000       149
028 B030000         0
028 B040000        44
028 C010000        74
028 C020000       169
028 C030000         0
028 C040000     50195
028 D010000        70
028 D020000         0
028 D030000         0
028 D040000       220
028 E010000     30261
028 E020000       341
028 E030000         0
028 E040000     30291
028 F010000     56812
028 F020000       165
028 F030000         0
028 F040000        58
028 G010000    227522
028 G020000       990
028 G030000         0
028 G040000     80942
028 H000000         0
029  000000 N
030 A000000      0
030 B000000  0.00
030 C000000  0.00
031 A000000      0
031 B000000      0
032  000000      0
033  000000      0
034  000000 N
035  000000      0
036 B000000      0
037  000000 N
038  000000      0
039  000000 N
040  000000 N

042 A000000   0
042 B000000   0
042 C000000   0
042 D000000   0
042 E000000   0
042 F000000   0
042 G000000   0
042 H000000   0
043  000000      0
044  000000      0
045  000000 Y
046  000000 N
047  000000 Y
048  000000  0.300
048 A010000        0
048 A020000 0.000
048 B010000        0
048 B020000 0.000
048 C010000        0
048 C020000 0.000
048 D010000        0
048 D020000 0.000
048 E010000        0
048 E020000 0.000
048 F010000        0
048 F020000 0.000
048 G010000        0
048 G020000 0.000
048 H010000        0
048 H020000 0.000
048 I010000        0
048 I020000 0.000
048 J010000        0
048 J020000 0.000
048 K010000        0
048 K020000 0.000
049  000000 N
050  000000 N
051  000000 N
052  000000 N
053 A000000 Y
053 B000000 Y
053 C000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 Y

054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 Y
054 M000000 Y
054 N000000 N
054 O000000 Y
055 A000000 N
055 B000000 N
056  000000 Y
057  000000 N
058 A000000 N
059  000000 Y
060 A000000 Y
060 B000000 Y
061  000000   250000
062 A000000 Y
062 B000000   0.0
062 C000000   0.0
062 D000000   0.0
062 E000000   0.0
062 F000000   6.2
062 G000000   0.0
062 H000000   0.0
062 I000000  48.3
062 J000000   0.0
062 K000000   0.0
062 L000000   0.0
062 M000000   0.0
062 N000000   0.0
062 O000000   0.0
062 P000000  45.2
062 Q000000   0.0
062 R000000   0.0
063 A000000  45
063 B000000  0.0
064 A000000 N
064 B000000 N
066 A000000 N
067  000000 N
068 A000000 N
068 B000000 N
069  000000 N
070 A010000 Y
070 A020000 N
070 B010000 Y
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N

070 E010000 Y
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 Y
070 L010000 Y
070 L020000 Y
070 M010000 Y
070 M020000 N
070 N010000 N
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 Y
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000    118678
071 B000000     36885
071 C000000    175311
071 D000000   21
072 A000000  6
072 B000000     1690
072 C000000        2
072 D000000        0
072 E000000        0
072 F000000      868
072 G000000        1
072 H000000        0
072 I000000      145
072 J000000        2
072 K000000        0
072 L000000        0
072 M000000       18
072 N000000        2
072 O000000        0
072 P000000        0
072 Q000000        0
072 R000000       12
072 S000000       12

072 T000000        0
072 U000000        0
072 V000000        0
072 W000000       25
072 X000000     1085
072 Y000000      361
072 Z000000      968
072AA000000       20
072BB000000        0
072CC010000      278
072CC020000        0
072DD010000        0
072DD020000        0
072EE000000        0
073 A010000   0.0116
073 A020000   0.0000
073 B000000   0.0000
073 C000000   0.0000
074 A000000       53
074 B000000        0
074 C000000   334510
074 D000000   276904
074 E000000        0
074 F000000        0
074 G000000        0
074 H000000        0
074 I000000        0
074 J000000        0
074 K000000        0
074 L000000     3006
074 M000000       48
074 N000000   614521
074 O000000      931
074 P000000       32
074 Q000000        0
074 R010000        0
074 R020000        0
074 R030000        0
074 R040000       18
074 S000000        0
074 T000000   613540
074 U010000       10
074 U020000        0
074 V010000    10.02
074 V020000     0.00
074 W000000   0.0000
074 X000000       28
074 Y000000    15661
075 A000000        0
075 B000000   568164
076  000000     0.00

077 A000000 Y
077 B000000 N
077 C000000 N
077 D000000 N
077 E000000 Y
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
078  000000 N
080 C000000        0
081 B000000   0
082 B000000        0
083 B000000        0
084 B000000        0
086 A010000      0
086 A020000      0
086 B010000      0
086 B020000      0
086 C010000      0
086 C020000      0
086 D010000      0
086 D020000      0
086 E010000      0
086 E020000      0
086 F010000      0
086 F020000      0
SIGNATURE   BRIAN W. WIXTED
TITLE       TREASURER

Cellular Biomedicine (NASDAQ:CBMG)
Historical Stock Chart
From Mar 2024 to Apr 2024 Click Here for more Cellular Biomedicine Charts.
Cellular Biomedicine (NASDAQ:CBMG)
Historical Stock Chart
From Apr 2023 to Apr 2024 Click Here for more Cellular Biomedicine Charts.