No
Financial
Institution
Guarantee
BLANKK
FIRST
QUARTER
REPORT
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
Portfolio
of
Investments
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
(Percentages
represent
value
of
investments
compared
to
net
assets)
Investments
in
Securities
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Agency
Collateralized
Mortgage
Obligation
Securities
24.5%
Federal
Home
Loan
Mortgage
Corp.
REMICS
(a)
Series
4215 Class
IL
07/15/2041
3.500%
62,395
907
Series
5040 Class
IH
11/25/2050
3.500%
8,678,654
1,337,328
Series
5083 Class
NI
12/25/2040
4.500%
7,151,424
1,196,389
Series
5105 Class
ID
05/25/2051
3.000%
31,763,429
6,013,722
Series
5105 Class
JI
03/25/2045
3.000%
18,323,442
1,475,627
Series
5183
01/25/2052
3.000%
31,312,319
4,908,914
Federal
Home
Loan
Mortgage
Corp.
REMICS
(b)
Series
5480 Class
FA
30
day
USD
SOFR
Average
+
1.450%
Floor
1.450%
03/25/2054
5.093%
19,032,287
19,167,368
Series
5513 Class
MQ
30
day
USD
SOFR
Average
+
3.950%
06/25/2054
7.593%
12,270,225
12,294,825
Series
5513 Class
MU
30
day
USD
SOFR
Average
+
3.950%
11/25/2054
7.593%
22,275,370
22,354,350
Series
5518 Class
FC
30
day
USD
SOFR
Average
+
1.320%
Floor
1.320%
03/25/2055
4.963%
9,120,639
9,166,822
Series
5532 Class
MB
30
day
USD
SOFR
Average
+
3.950%
04/25/2055
7.593%
12,663,317
12,694,127
Series
5542 Class
F
30
day
USD
SOFR
Average
+
4.300%
05/25/2055
7.943%
7,905,003
7,967,084
Series
5548 Class
F
30
day
USD
SOFR
Average
+
4.600%
06/25/2055
8.243%
14,227,613
14,320,966
Series
5551 Class
FB
30
day
USD
SOFR
Average
+
1.500%
Floor
1.500%
06/25/2055
5.143%
9,307,726
9,375,237
Federal
Home
Loan
Mortgage
Corp.
REMICS
(a),(c)
Series
4620 Class
AS
11/15/2042
1.938%
701,864
33,128
Federal
Home
Loan
Mortgage
Corp.
REMICS
(a),(b)
Series
3922 Class
SH
-1.0
x
30
day
USD
SOFR
Average
+
5.786%
09/15/2041
2.149%
1,537,933
99,847
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Series
4097 Class
ST
-1.0
x
30
day
USD
SOFR
Average
+
5.936%
08/15/2042
2.299%
628,036
59,775
Series
4286 Class
NS
-1.0
x
30
day
USD
SOFR
Average
+
5.786%
12/15/2043
2.149%
740,953
64,888
Series
4606 Class
SL
-1.0
x
30
day
USD
SOFR
Average
+
5.886%
12/15/2044
2.249%
31,887,145
2,515,379
Series
4704 Class
SK
-1.0
x
30
day
USD
SOFR
Average
+
6.036%
07/15/2047
2.399%
6,423,267
573,804
Series
4826 Class
KS
-1.0
x
30
day
USD
SOFR
Average
+
6.086%
09/15/2048
2.449%
7,161,256
662,474
Series
4926 Class
ST
-1.0
x
30
day
USD
SOFR
Average
+
5.966%
01/15/2040
2.329%
4,440,434
210,247
Series
4979 Class
YS
-1.0
x
30
day
USD
SOFR
Average
+
5.936%
06/25/2050
2.292%
17,363,307
1,531,900
Series
4987 Class
KS
-1.0
x
30
day
USD
SOFR
Average
+
5.966%
06/25/2050
2.322%
7,900,126
902,891
Series
4993 Class
MS
-1.0
x
30
day
USD
SOFR
Average
+
5.936%
07/25/2050
2.292%
15,434,826
1,765,983
Series
5119 Class
QS
-1.0
x
30
day
USD
SOFR
Average
+
6.300%
06/25/2051
2.657%
31,358,693
4,028,225
Series
5138 Class
SA
-1.0
x
30
day
USD
SOFR
Average
+
5.986%
09/25/2047
2.342%
22,676,364
2,165,228
Series
5541 Class
SK
-1.0
x
30
day
USD
SOFR
Average
+
5.700%
05/25/2055
2.057%
49,635,396
3,502,159
Series
5544 Class
SC
-1.0
x
30
day
USD
SOFR
Average
+
7.000%
06/25/2055
3.357%
18,153,195
2,156,118
Series
5547 Class
SE
-1.0
x
30
day
USD
SOFR
Average
+
5.100%
06/25/2055
1.457%
30,680,116
1,352,702
Series
5604 Class
SB
-1.0
x
30
day
USD
SOFR
Average
+
7.150%
11/25/2055
3.507%
58,781,449
7,906,099
Series
5604 Class
SN
-1.0
x
30
day
USD
SOFR
Average
+
5.550%
12/25/2055
1.907%
73,064,623
5,101,971
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Federal
Home
Loan
Mortgage
Corp.
STACR
Debt
Notes
(c)
06/24/2033
0.166%
5,650,000
4,954,834
Federal
Home
Loan
Mortgage
Corp.
STACR
Debt
Notes
(a)
06/25/2030
0.090%
414,993,048
996,523
06/25/2030
0.115%
414,993,048
1,273,323
Federal
Home
Loan
Mortgage
Corp.
STACR
REMICS
Trust
(b),(d)
Series
2020-DNA6 Class
B2
30
day
USD
SOFR
Average
+
5.650%
12/25/2050
9.293%
15,500,000
17,843,216
Series
2020-HQA5 Class
B1
30
day
USD
SOFR
Average
+
4.000%
11/25/2050
7.643%
6,750,000
7,347,858
Series
2020-HQA5 Class
B2
30
day
USD
SOFR
Average
+
7.400%
11/25/2050
11.043%
14,200,000
17,221,835
Series
2021-DNA1 Class
B2
30
day
USD
SOFR
Average
+
4.750%
01/25/2051
8.393%
14,000,000
15,650,015
Series
2021-DNA5 Class
B2
30
day
USD
SOFR
Average
+
5.500%
01/25/2034
9.143%
23,300,000
28,357,722
Series
2021-DNA6 Class
B2
30
day
USD
SOFR
Average
+
7.500%
10/25/2041
11.143%
7,450,000
7,517,261
Federal
Home
Loan
Mortgage
Corp.
STACR
Single
Seller
Risk
Transfer
Debt
Notes
(a),(d)
Series
2019-CS03
10/25/2029
0.270%
552,598,216
3,492,642
Federal
Home
Loan
Mortgage
Corp.
STACR
Single
Seller
Risk
Transfer
Debt
Notes
(b),(d)
Series
2019-CS03 Class
B2
30
day
USD
SOFR
Average
+
0.114%
10/25/2032
3.758%
7,345,104
7,291,433
Federal
Home
Loan
Mortgage
Corp.
STRIPS
(a)
Series
304 Class
C67
12/15/2042
4.500%
1,092,343
149,206
Federal
Home
Loan
Mortgage
Corp.
STRIPS
(a),(b)
Series
309 Class
S4
-1.0
x
30
day
USD
SOFR
Average
+
5.856%
08/15/2043
2.219%
1,361,745
105,576
Federal
National
Mortgage
Association
Connecticut
Avenue
Securities
Trust
(b),(d)
Series
2021-R02 Class
2B2
30
day
USD
SOFR
Average
+
6.200%
11/25/2041
9.843%
11,350,000
11,469,497
Series
2021-R03 Class
1B2
30
day
USD
SOFR
Average
+
5.500%
12/25/2041
9.143%
7,059,000
7,148,452
Series
2022-R01 Class
1B2
30
day
USD
SOFR
Average
+
6.000%
12/25/2041
9.643%
10,350,000
10,494,535
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Federal
National
Mortgage
Association
REMICS
(a)
Series
2021-3 Class
TI
02/25/2051
2.500%
14,679,473
2,432,533
Federal
National
Mortgage
Association
REMICS
(a),(b)
Series
2013-101 Class
CS
-1.0
x
30
day
USD
SOFR
Average
+
5.786%
10/25/2043
2.142%
1,535,759
117,780
Series
2013-101 Class
HS
-1.0
x
30
day
USD
SOFR
Average
+
6.386%
10/25/2043
2.742%
8,006,192
801,050
Series
2014-93 Class
ES
-1.0
x
30
day
USD
SOFR
Average
+
6.036%
01/25/2045
2.392%
883,748
82,821
Series
2015-27 Class
AS
-1.0
x
30
day
USD
SOFR
Average
+
5.536%
05/25/2045
1.892%
6,621,714
414,601
Series
2016-31 Class
VS
-1.0
x
30
day
USD
SOFR
Average
+
5.886%
06/25/2046
2.242%
912,490
79,768
Series
2017-50 Class
SB
-1.0
x
30
day
USD
SOFR
Average
+
5.986%
07/25/2047
2.342%
5,600,721
492,314
Series
2017-72 Class
S
-1.0
x
30
day
USD
SOFR
Average
+
3.836%
09/25/2047
0.192%
14,864,278
144,475
Series
2017-81 Class
SM
-1.0
x
30
day
USD
SOFR
Average
+
6.086%
10/25/2047
2.442%
20,181,259
1,961,875
Series
2017-90 Class
SP
-1.0
x
30
day
USD
SOFR
Average
+
6.036%
11/25/2047
2.392%
5,619,512
533,275
Series
2018-3 Class
SB
-1.0
x
30
day
USD
SOFR
Average
+
6.036%
02/25/2048
2.392%
18,267,714
1,712,114
Series
2018-64 Class
SE
-1.0
x
30
day
USD
SOFR
Average
+
6.086%
09/25/2048
2.442%
18,218,472
1,777,042
Series
2019-5 Class
SA
-1.0
x
30
day
USD
SOFR
Average
+
5.986%
03/25/2049
2.342%
25,331,618
2,015,637
Series
2020-22 Class
SA
-1.0
x
30
day
USD
SOFR
Average
+
5.986%
04/25/2050
2.342%
25,029,646
2,105,271
Series
2020-34 Class
S
-1.0
x
30
day
USD
SOFR
Average
+
5.936%
06/25/2050
2.292%
25,918,834
2,253,731
Series
2020-38 Class
SE
-1.0
x
30
day
USD
SOFR
Average
+
5.936%
06/25/2050
2.292%
4,029,352
371,665
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Series
2020-38 Class
WS
-1.0
x
30
day
USD
SOFR
Average
+
4.886%
06/25/2050
1.242%
17,590,341
1,034,265
Series
2020-54 Class
AS
-1.0
x
30
day
USD
SOFR
Average
+
6.036%
08/25/2050
2.392%
18,093,303
1,698,493
Series
2023-46 Class
SD
-1.0
x
30
day
USD
SOFR
Average
+
5.886%
06/25/2050
2.242%
50,948,547
4,224,990
Series
2024-74 Class
SD
-1.0
x
30
day
USD
SOFR
Average
+
6.600%
10/25/2054
2.957%
24,597,459
2,607,739
Series
2026-7 Class
SC
-1.0
x
30
day
USD
SOFR
Average
+
6.700%
02/25/2056
3.057%
48,603,287
5,677,029
Federal
National
Mortgage
Association
REMICS
(b)
Series
2025-1 Class
BF
30
day
USD
SOFR
Average
+
1.400%
Floor
1.400%
02/25/2055
5.043%
11,675,031
11,753,124
Series
2025-10 Class
FB
30
day
USD
SOFR
Average
+
0.850%
Floor
0.850%
02/25/2055
4.493%
6,922,681
6,846,987
Series
2025-12 Class
LF
30
day
USD
SOFR
Average
+
3.950%
03/25/2055
7.593%
16,571,315
16,591,729
Series
2025-13 Class
FA
30
day
USD
SOFR
Average
+
1.300%
Floor
1.300%
03/25/2055
4.943%
9,389,953
9,415,098
Series
2025-16 Class
MA
30
day
USD
SOFR
Average
+
3.950%
01/25/2055
7.593%
6,794,269
6,817,525
Series
2025-86 Class
FH
30
day
USD
SOFR
Average
+
0.850%
Floor
0.850%
09/25/2055
4.493%
22,420,695
22,215,381
Federal
National
Mortgage
Association
REMICS
(a),(c)
Series
2022-90 Class
GS
07/25/2050
2.367%
33,951,707
3,186,612
Government
National
Mortgage
Association
REMICS
(b),(e)
Series
2026-99 Class
MB
30
day
USD
SOFR
Average
+
4.300%
06/20/2056
7.939%
9,756,324
9,413,189
Government
National
Mortgage
Association
REMICS
(b)
Series
2025-39 Class
M
30
day
USD
SOFR
Average
+
4.000%
03/20/2055
7.639%
8,326,491
8,083,712
Series
2026-119 Class
MC
30
day
USD
SOFR
Average
+
4.350%
07/20/2056
7.989%
26,089,632
25,159,401
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Government
National
Mortgage
Association
REMICS
(a)
Series
2014-184 Class
CI
11/16/2041
3.500%
3,273,434
288,527
Series
2018-78 Class
GI
04/20/2048
4.000%
3,988,332
707,374
Series
2020-160 Class
DI
10/20/2050
2.500%
14,397,779
1,997,209
Series
2020-160 Class
HI
10/20/2050
2.500%
11,773,884
1,627,404
Series
2020-160 Class
ID
10/20/2050
2.500%
10,462,747
1,446,381
Series
2020-162 Class
EI
10/20/2050
2.500%
10,780,556
1,483,831
Series
2020-164 Class
CI
11/20/2050
3.000%
13,275,393
2,243,499
Series
2020-191 Class
UC
12/20/2050
4.000%
16,368,823
3,668,473
Series
2020-191 Class
UM
12/20/2050
3.500%
25,716,028
3,852,966
Series
2020-85 Class
MI
06/20/2050
3.500%
10,229,680
1,887,340
Series
2021-158 Class
VI
09/20/2051
3.000%
26,590,282
4,414,848
Series
2021-160 Class
CI
09/20/2051
2.500%
54,770,773
7,407,561
Series
2021-24 Class
MI
02/20/2051
3.000%
12,885,432
2,112,042
Series
2021-29 Class
HI
02/20/2051
3.500%
16,580,916
3,201,142
Series
2021-44 Class
CI
03/20/2051
3.000%
20,019,580
3,512,221
Series
2021-44 Class
MI
03/20/2051
3.000%
12,883,806
2,063,436
Series
2021-58 Class
IA
04/20/2051
3.500%
10,860,648
1,873,062
Series
2021-7 Class
IT
01/16/2051
3.000%
25,759,231
5,813,936
Government
National
Mortgage
Association
REMICS
(a),(b)
Series
2010-9 Class
XD
-1.0
x
1
mo.
USD
Term
SOFR
+
6.486%
01/16/2040
2.846%
23,430,921
2,058,985
Series
2014-6 Class
SJ
-1.0
x
1
mo.
USD
Term
SOFR
+
5.986%
01/20/2044
2.333%
6,902,038
558,594
Series
2017-163 Class
SD
-1.0
x
1
mo.
USD
Term
SOFR
+
6.086%
11/20/2047
2.433%
6,938,834
860,529
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Series
2018-124 Class
SG
-1.0
x
1
mo.
USD
Term
SOFR
+
6.086%
09/20/2048
2.433%
7,105,849
698,801
Series
2018-155 Class
LS
-1.0
x
1
mo.
USD
Term
SOFR
+
6.036%
11/20/2048
2.383%
5,975,709
552,452
Series
2018-40 Class
SC
-1.0
x
1
mo.
USD
Term
SOFR
+
6.086%
03/20/2048
2.433%
4,521,211
415,273
Series
2018-63 Class
HS
-1.0
x
1
mo.
USD
Term
SOFR
+
6.086%
04/20/2048
2.433%
6,065,665
612,476
Series
2018-63 Class
SH
-1.0
x
1
mo.
USD
Term
SOFR
+
6.086%
04/20/2048
2.433%
5,636,828
518,432
Series
2018-78 Class
SB
-1.0
x
1
mo.
USD
Term
SOFR
+
6.086%
06/20/2048
2.433%
5,233,341
579,496
Series
2018-94 Class
SA
-1.0
x
1
mo.
USD
Term
SOFR
+
6.086%
05/20/2048
2.433%
4,803,835
551,527
Series
2019-103 Class
SA
-1.0
x
1
mo.
USD
Term
SOFR
+
5.936%
08/20/2049
2.283%
10,973,547
1,153,623
Series
2019-128 Class
YS
-1.0
x
1
mo.
USD
Term
SOFR
+
2.736%
10/20/2049
0.000%
30,412,855
23,019
Series
2019-21 Class
QS
-1.0
x
1
mo.
USD
Term
SOFR
+
5.986%
10/20/2046
2.333%
23,983,592
2,205,632
Series
2019-43 Class
NS
-1.0
x
1
mo.
USD
Term
SOFR
+
3.156%
04/20/2049
0.000%
11,339,978
105,203
Series
2020-104 Class
SA
-1.0
x
1
mo.
USD
Term
SOFR
+
6.086%
07/20/2050
2.433%
7,647,406
764,946
Series
2020-133 Class
DS
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
09/20/2050
2.533%
49,657,373
5,287,596
Series
2020-148 Class
SA
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
10/20/2050
2.533%
16,389,185
1,772,526
Series
2020-160 Class
AS
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
10/20/2050
2.533%
26,545,772
2,792,836
Series
2020-175 Class
NS
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
11/20/2050
2.533%
18,785,682
2,032,740
Series
2020-187 Class
SE
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
12/20/2050
2.533%
14,252,997
1,565,389
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Series
2020-31 Class
ES
-1.0
x
1
mo.
USD
Term
SOFR
+
5.936%
03/20/2050
2.283%
15,012,317
1,415,427
Series
2020-34 Class
SA
-1.0
x
1
mo.
USD
Term
SOFR
+
5.936%
03/20/2050
2.283%
16,982,211
1,781,629
Series
2020-62 Class
SK
-1.0
x
1
mo.
USD
Term
SOFR
+
6.036%
05/20/2050
2.383%
7,415,267
754,448
Series
2020-67 Class
KS
-1.0
x
1
mo.
USD
Term
SOFR
+
5.836%
05/20/2050
2.183%
15,613,304
1,447,219
Series
2020-78 Class
SD
-1.0
x
1
mo.
USD
Term
SOFR
+
6.036%
06/20/2050
2.383%
19,038,890
1,866,497
Series
2021-117 Class
ES
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
07/20/2051
2.533%
26,204,709
2,821,500
Series
2021-117 Class
HS
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
07/20/2051
2.533%
20,860,623
2,142,403
Series
2021-119 Class
SC
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
07/20/2051
2.533%
23,018,729
2,632,440
Series
2021-122 Class
SB
-1.0
x
30
day
USD
SOFR
Average
+
2.600%
07/20/2051
0.000%
48,466,071
65,705
Series
2021-122 Class
SG
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
07/20/2051
2.533%
47,947,356
4,762,577
Series
2021-142 Class
SL
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
08/20/2051
2.533%
51,449,181
5,587,206
Series
2021-155 Class
SM
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
07/20/2051
2.533%
25,756,529
2,790,591
Series
2021-156 Class
SA
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
09/20/2051
2.533%
37,003,335
4,186,354
Series
2021-160 Class
S
-1.0
x
30
day
USD
SOFR
Average
+
2.650%
09/20/2051
0.000%
66,697,928
103,795
Series
2021-161 Class
SL
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
09/20/2051
2.533%
31,882,140
3,557,412
Series
2021-193 Class
ES
-1.0
x
30
day
USD
SOFR
Average
+
1.700%
11/20/2051
0.000%
223,942,460
299,411
Series
2021-42 Class
SD
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
11/20/2050
2.533%
31,582,553
3,495,263
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Series
2021-42 Class
SG
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
03/20/2051
2.533%
26,428,311
2,720,332
Series
2021-96 Class
US
-1.0
x
30
day
USD
SOFR
Average
+
3.250%
06/20/2051
0.000%
37,493,476
171,124
Series
2021-97 Class
CS
-1.0
x
1
mo.
USD
Term
SOFR
+
6.186%
06/20/2051
2.533%
36,356,197
3,859,065
Series
2022-161 Class
SQ
-1.0
x
30
day
USD
SOFR
Average
+
5.350%
09/20/2052
1.711%
33,054,954
1,821,500
Series
2022-168 Class
ST
-1.0
x
30
day
USD
SOFR
Average
+
6.000%
09/20/2052
2.361%
47,934,288
3,639,535
Series
2022-46 Class
SE
-1.0
x
30
day
USD
SOFR
Average
+
3.450%
03/20/2052
0.000%
20,696,096
77,913
Series
2022-83 Class
AS
-1.0
x
1
mo.
USD
Term
SOFR
+
6.036%
06/20/2050
2.383%
19,717,262
2,062,451
Series
2022-90 Class
SJ
-1.0
x
1
mo.
USD
Term
SOFR
+
5.936%
01/20/2050
2.283%
27,892,041
2,331,733
Series
2023-101 Class
CS
-1.0
x
30
day
USD
SOFR
Average
+
6.000%
07/20/2053
2.361%
56,479,194
3,188,883
Series
2023-113 Class
CS
-1.0
x
30
day
USD
SOFR
Average
+
5.730%
08/20/2053
2.091%
12,568,012
754,918
Series
2023-113 Class
HS
-1.0
x
1
mo.
USD
Term
SOFR
+
5.936%
09/20/2049
2.283%
44,025,110
3,862,649
Series
2023-115 Class
SM
-1.0
x
30
day
USD
SOFR
Average
+
5.900%
08/20/2053
2.261%
27,914,809
1,325,649
Series
2023-141 Class
SQ
-1.0
x
1
mo.
USD
Term
SOFR
+
5.936%
12/20/2049
2.283%
28,898,468
2,595,637
Series
2023-173 Class
SB
-1.0
x
30
day
USD
SOFR
Average
+
5.650%
11/20/2053
2.011%
55,637,013
3,527,042
Series
2023-47 Class
AS
-1.0
x
30
day
USD
SOFR
Average
+
6.350%
03/20/2053
2.711%
20,493,427
1,579,295
Series
2023-66 Class
BS
-1.0
x
30
day
USD
SOFR
Average
+
6.150%
05/20/2053
2.511%
18,909,923
1,381,684
Series
2023-66 Class
SQ
-1.0
x
30
day
USD
SOFR
Average
+
5.400%
05/20/2053
1.761%
42,171,427
1,803,938
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Series
2024-144 Class
SL
-1.0
x
30
day
USD
SOFR
Average
+
4.100%
09/20/2054
0.461%
79,477,086
1,229,447
Series
2024-197 Class
SV
-1.0
x
30
day
USD
SOFR
Average
+
6.050%
12/20/2054
2.411%
18,555,426
1,636,093
Series
2024-51 Class
US
-1.0
x
30
day
USD
SOFR
Average
+
5.400%
03/20/2054
1.761%
29,187,884
1,222,972
Series
2024-64 Class
DS
-1.0
x
30
day
USD
SOFR
Average
+
5.400%
04/20/2054
1.761%
37,433,535
1,807,860
Series
2024-64 Class
SY
-1.0
x
30
day
USD
SOFR
Average
+
5.900%
04/20/2054
2.279%
43,421,207
3,657,195
Series
2024-79 Class
SH
-1.0
x
30
day
USD
SOFR
Average
+
7.250%
05/20/2054
3.611%
19,834,220
2,474,293
Series
2024-97 Class
KS
-1.0
x
30
day
USD
SOFR
Average
+
7.300%
06/20/2054
3.661%
25,474,107
3,565,593
Series
2025-150 Class
MS
-1.0
x
30
day
USD
SOFR
Average
+
4.350%
09/20/2055
0.711%
150,277,408
3,160,890
Series
2025-156 Class
SE
-1.0
x
30
day
USD
SOFR
Average
+
6.000%
09/20/2055
2.361%
47,944,460
4,244,638
Series
2025-172 Class
SB
-1.0
x
30
day
USD
SOFR
Average
+
6.000%
10/20/2055
2.361%
41,914,974
3,664,547
Series
2025-187 Class
SD
-1.0
x
30
day
USD
SOFR
Average
+
5.500%
11/20/2055
1.861%
69,528,288
4,228,008
Series
2026-28 Class
S
-1.0
x
30
day
USD
SOFR
Average
+
5.700%
01/20/2056
2.061%
31,071,530
2,093,839
Series
2026-5 Class
SB
-1.0
x
30
day
USD
SOFR
Average
+
5.700%
01/20/2056
2.061%
54,708,924
4,212,883
Series
2026-63 Class
SC
-1.0
x
30
day
USD
SOFR
Average
+
5.600%
04/20/2056
1.961%
39,415,150
2,432,932
Series
2026-80 Class
SH
-1.0
x
30
day
USD
SOFR
Average
+
5.650%
05/20/2056
2.011%
29,104,170
2,376,332
1
1
1
1
1
Total
Agency
Collateralized
Mortgage
Obligation
Securities
(Cost
$
733,665,161)
643,373,712
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Agency
Commercial
Mortgage-Backed
Securities
0.1%
Government
National
Mortgage
Association
(a),(c)
Series
2017-30
08/16/2058
0.567%
39,114,545
938,636
Series
2019-102 Class
IB
03/16/2060
0.836%
11,034,850
475,077
Series
2020-19
12/16/2061
0.734%
15,605,281
671,626
Series
2020-3
02/16/2062
0.616%
17,051,884
575,835
1
1
1
1
1
Total
Agency
Commercial
Mortgage-Backed
Securities
(Cost
$
10,644,162)
2,661,174
Agency
Mortgage-Backed
Securities
80.8%
Federal
Home
Loan
Mortgage
Corp.
11/01/2052
4.000%
20,386,018
18,707,194
12/01/2052
5.000%
16,851,815
16,603,397
09/01/2053
5.500%
18,566,158
18,600,040
Federal
National
Mortgage
Association
10/01/2051
4.000%
26,462,780
24,512,439
08/01/2052
4.000%
29,608,346
27,355,190
09/01/2052
5.000%
15,923,353
15,461,631
Government
National
Mortgage
Association,
TBA
(f)
09/01/2056
4.500%
240,000,000
224,627,597
Uniform
Mortgage-Backed
Security,
TBA
(f)
09/01/2056
3.500%
150,000,000
132,978,515
09/01/2056
4.000%
437,500,000
399,150,391
09/01/2056
4.500%
483,000,000
453,217,727
09/01/2056
5.000%
261,000,000
251,747,949
09/01/2056
5.500%
60,000,000
59,382,768
09/01/2056
6.000%
473,000,000
478,140,403
1
1
1
1
1
Total
Agency
Mortgage-Backed
Securities
(Cost
$
2,135,232,236)
2,120,485,241
..
Value
($)
Joint
Ventures
(g)
0.7%
Itasca
Park
LLC
(h),(
i
),(j),(k)
11,011,311
Itasca
Park
LLC
-
Unfunded
(h),(
i
),(j),(k)
6,574,000
Total
Joint
Ventures
(Cost
$
17,300,000)
17,585,311
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Asset-Backed
Securities
24.7%
Affirm
Asset
Securitization
Trust
(d),(l),(m),(n)
Series
2024-X2 Class
CERT
12/17/2029
0.000%
70,500
402,892
Affirm
Master
Trust
(d)
Series
2026-3A Class
E
08/15/2034
6.880%
5,530,000
5,512,563
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Asset-Backed
Securities
(continued)
Ally
Bank
Auto
Credit-Linked
Notes
(d)
Series
2025-A Class
G
06/15/2033
10.219%
3,277,469
3,310,907
Series
2025-B Class
F
09/15/2033
6.942%
2,358,003
2,354,879
Series
2025-B Class
G
09/15/2033
9.935%
2,432,112
2,451,669
Series
2026-A Class
F
03/15/2034
7.294%
3,004,823
3,007,444
Series
2026-A Class
G
03/15/2034
10.575%
5,580,386
5,585,341
Series
2026-B Class
F
06/15/2034
7.301%
2,850,000
2,844,777
Series
2026-B Class
G
06/15/2034
9.965%
4,000,000
4,010,749
ASPWP
(c),(d),(k)
03/29/2029
6.542%
14,024,381
14,024,381
BRAVO
Residential
Funding
Trust
(c),(d)
Series
2025-HE1 Class
B1
09/25/2072
6.924%
1,500,000
1,480,279
Series
2025-HE1 Class
B2
09/25/2072
6.924%
10,498,000
10,010,842
CarMax
Select
Receivables
Trust
(d),(k),(l),(o)
Series
2026-B Class
R
06/15/2033
0.000%
9,000
5,107,500
Carvana
Auto
Receivables
Trust
(d),(l)
Series
2026-P2 Class
R
06/12/2034
0.000%
2,300
1,183,523
Deephaven
Residential
Mortgage
Trust
(c),(d)
Series
2025-CES1 Class
B1
10/25/2055
6.971%
4,800,000
4,724,244
Series
2025-CES1 Class
B2
10/25/2055
7.914%
2,965,200
2,914,970
EDGEX
Issuer
Trust
(a),(c),(d),(m)
Series
2025-1NN Class
CERT
01/15/2031
0.000%
8,358,000
4,361,101
EDGEX
Issuer
Trust
(d)
Series
2025-1NN Class
B
01/15/2031
6.850%
6,537,299
6,445,012
Series
2025-2NN Class
B
01/15/2032
6.475%
8,988,935
8,867,692
Ellington
Financial
Mortgage
Trust
(d)
Series
2026-CES1 Class
A1A
12/25/2060
4.914%
4,446,754
4,366,636
Exeter
Automobile
Receivables
Trust
(d)
Series
2025-3A Class
E
12/15/2032
7.520%
5,299,000
5,463,834
Series
2026-1A Class
E
08/15/2033
6.690%
6,500,000
6,353,448
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Asset-Backed
Securities
(continued)
FIGRE
Trust
(c),(d)
Series
2023-HE3 Class
D
11/25/2053
7.747%
2,653,514
2,721,918
Series
2024-HE1 Class
E
03/25/2054
8.323%
2,350,000
2,437,439
Series
2024-HE1 Class
F
03/25/2054
10.029%
3,250,000
3,440,031
Series
2024-HE2 Class
F
05/25/2054
9.790%
7,575,000
8,008,957
Series
2024-HE3 Class
E
07/25/2054
7.551%
1,850,000
1,887,624
Series
2024-HE3 Class
F
07/25/2054
9.261%
1,550,000
1,617,796
Series
2024-HE4 Class
E
09/25/2054
6.809%
1,900,000
1,889,649
Series
2024-HE4 Class
F
09/25/2054
8.482%
1,300,000
1,331,669
Series
2024-HE5 Class
E
10/25/2054
7.010%
3,950,000
3,955,423
Series
2024-HE5 Class
F
10/25/2054
8.630%
2,900,000
2,960,199
Series
2025-HE1 Class
F
01/25/2055
8.533%
2,110,000
2,168,674
Series
2025-HE3 Class
E
05/25/2055
8.103%
1,500,000
1,558,419
Series
2025-HE3 Class
F
05/25/2055
9.081%
1,500,000
1,541,333
Series
2025-PF2 Class
A
10/25/2055
5.017%
9,517,649
9,362,227
Series
2026-EXP1 Class
D
06/25/2056
6.846%
18,312,000
18,037,142
FMC
GMSR
Issuer
Trust
(c),(d)
Series
2020-GT1 Class
A
01/25/2028
4.450%
9,050,000
8,952,816
GITSIT
Mortgage
Loan
Trust
(d)
Series
2025-NPL1 Class
A1
02/25/2055
6.276%
533,483
533,570
Series
2025-NPL1 Class
A2
02/25/2055
8.837%
7,000,000
6,999,875
Series
2025-NPL2 Class
A1
12/25/2055
5.425%
11,831,063
11,693,615
GLS
Auto
Receivables
Issuer
Trust
(d)
Series
2026-3A Class
E
08/15/2033
7.200%
8,112,000
8,093,050
Home
Partners
of
America
Trust
(d)
Series
2019-2 Class
F
10/19/2039
3.866%
2,747,554
2,676,342
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Asset-Backed
Securities
(continued)
HTAP
Issuer
Trust
(d)
Series
2024-2 Class
A
04/25/2042
6.500%
12,202,888
12,127,703
Series
2024-2 Class
B
04/25/2042
7.500%
4,700,000
4,657,482
HTAP
Trust
(d)
Series
2024-1 Class
A
04/25/2037
7.000%
6,726,676
6,716,142
Knock
Issuer
Trust
(d)
Series
2025-1 Class
A1
02/25/2030
7.119%
17,040,000
17,039,364
Series
2025-1 Class
A2
02/25/2030
9.054%
1,500,000
1,494,860
Lafayette
Federal
Credit
Union
Asset
Trust
(d)
Series
2026-HI1A Class
D
01/25/2046
6.000%
4,319,056
4,281,138
Series
2026-HI1A Class
E
01/25/2046
6.000%
900,763
895,473
Lendbuzz
Securitization
Trust
(d)
Series
2025-2A Class
A2
05/15/2030
5.180%
2,729,918
2,730,305
Series
2026-1A Class
B
12/16/2030
5.160%
1,727,853
1,720,081
Series
2026-1A Class
C
09/15/2031
5.740%
1,955,202
1,943,821
Series
2026-1A Class
D
02/15/2033
6.860%
1,746,040
1,739,291
MPOWER
Education
Trust
(d)
Series
2025-1 Class
A
12/22/2042
6.250%
5,691,775
5,637,639
Series
2025-1 Class
B
12/22/2042
8.180%
7,024,000
7,094,415
Series
2025-1 Class
C
12/22/2042
10.000%
3,000,000
1,078,812
NetCredit
Combined
Receivables
A
LLC
(d)
Series
2025-A Class
A
10/20/2031
7.290%
3,534,672
3,553,895
NetCredit
Combined
Receivables
B
LLC
(d)
Series
2026-A Class
A
09/20/2032
5.880%
9,420,000
9,419,570
Series
2026-A Class
B
09/20/2032
7.680%
4,700,000
4,740,687
Oportun
Funding
Trust
(d)
Series
2024-3 Class
C
08/15/2029
6.250%
202,899
202,899
Pagaya
AI
Debt
Grantor
Trust
(d)
Series
2024-9 Class
D
03/15/2032
6.174%
3,909,667
3,906,087
Series
2025-5 Class
E
03/15/2033
9.698%
1,086,474
1,097,398
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Asset-Backed
Securities
(continued)
Series
2025-6 Class
B
04/15/2033
4.883%
6,899,364
6,852,796
Series
2026-1 Class
A2
09/15/2033
4.739%
7,625,027
7,615,317
Series
2026-1 Class
B
09/15/2033
5.370%
19,117,532
18,976,649
Series
2026-2 Class
B
11/15/2033
6.029%
8,857,727
8,795,509
Series
2026-3 Class
B
12/15/2033
6.201%
14,340,000
14,271,151
Series
2026-4 Class
B
01/16/2034
6.254%
8,400,000
8,390,505
Pagaya
AI
Debt
Selection
Trust
(a),(c),(d),(m)
Series
2020-3 Class
CERT
05/17/2027
0.000%
23,803,550
1,744
Series
2021-1 Class
CERT
11/15/2027
0.000%
1,901,904
190
Pagaya
AI
Debt
Selection
Trust
(d)
Series
2022-5 Class
B
06/17/2030
10.310%
1,733,828
1,736,733
Series
2025-R1 Class
E
06/15/2032
12.105%
52,342
53,334
Pagaya
AI
Debt
Selection
Trust
(d),(l),(m)
Series
2021-3 Class
CERT
05/15/2029
0.000%
12,925,852
10,460
Series
2021-5 Class
CERT
08/15/2029
0.000%
12,321,273
456,610
Pagaya
Point
of
Sale
Holdings
Grantor
Trust
(d)
Series
2025-1 Class
A
01/20/2034
5.715%
8,200,000
8,200,509
Series
2025-2 Class
A
07/20/2033
5.065%
5,750,000
5,740,607
Point
Securitization
Trust
(d)
Series
2025-1 Class
A1
06/25/2055
6.250%
7,010,085
7,012,266
Series
2025-2 Class
A1
10/25/2055
5.750%
9,843,494
9,763,802
Series
2026-1 Class
A1
02/25/2056
5.250%
20,471,371
19,976,158
Series
2026-1 Class
B1
02/25/2056
7.000%
6,120,000
5,390,732
Series
2026-2 Class
A1
07/25/2056
5.250%
22,800,000
22,024,789
Pretium
Mortgage
Credit
Partners
LLC
(d)
Series
2026-NPL1 Class
A1
01/25/2056
5.180%
9,124,205
9,045,232
RCO
IX
Mortgage
LLC
(d)
Series
2025-4 Class
A1
10/25/2030
5.310%
13,326,195
13,273,842
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Asset-Backed
Securities
(continued)
RCO
VIII
Mortgage
LLC
(d)
Series
2025-3 Class
A1
05/25/2030
6.435%
2,162,629
2,165,205
Reach
ABS
Trust
(d)
Series
2026-2A Class
E
02/15/2035
6.910%
6,500,000
6,366,147
Research-Driven
Pagaya
Motor
Asset
Trust
(d)
Series
2025-5A Class
E
06/26/2034
9.218%
1,000,000
996,895
Series
2026-4A Class
B
05/25/2035
6.626%
8,240,000
8,215,847
Series
2026-R1A Class
A
07/25/2034
5.659%
9,674,670
9,611,498
Research-Driven
Pagaya
Motor
Asset
Trust
IV
(d)
Series
2021-2A Class
A
03/25/2030
2.650%
1,398,165
1,393,791
SAIF
Securitization
Trust
(d)
Series
2025-CES1 Class
M1
06/25/2065
6.240%
2,453,220
2,445,130
Saluda
Grade
Alternative
Mortgage
Trust
(c),(d)
Series
2023-FIG3 Class
CE
08/25/2053
4.315%
4,842,150
8,920,712
Series
2023-FIG4 Class
CE
11/25/2053
5.064%
5,686,179
10,397,583
Series
2024-CES1 Class
B1
03/25/2054
8.243%
12,120,000
12,249,044
Series
2025-FIG6 Class
A1
01/25/2056
5.178%
12,956,592
12,717,627
Splitero
Trust
(d)
Series
2026-1 Class
A1
06/25/2056
5.750%
5,454,726
5,377,710
Series
2026-1 Class
B1
06/25/2056
6.750%
1,370,000
1,242,492
Stanwich
Mortgage
Loan
Co.
LLC
(d)
Series
2021-NPB1 Class
A2
10/16/2026
8.375%
9,788,289
9,813,193
Truist
Bank
Auto
Credit-Linked
Notes
(d)
Series
2026-1 Class
C
06/26/2034
7.196%
2,043,357
2,040,461
U.S.
Auto
Funding
LLC
(d)
Series
2021-1A Class
D
03/15/2027
4.360%
2,375,000
602
Upgrade
Master
Pass-Thru
Trust
(d)
Series
2026-ST2 Class
E
06/15/2034
7.735%
4,750,000
4,753,307
Upgrade
Master
Pass-Thru
Trust
52,500
2,640,515
Upstart
Securitization
Trust
(d)
Series
2024-1 Class
C
11/20/2034
8.680%
12,250,000
12,588,052
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Asset-Backed
Securities
(continued)
Series
2025-1 Class
C
04/20/2035
9.270%
10,850,000
11,396,560
Series
2025-3 Class
D
09/20/2035
7.410%
2,250,000
2,276,002
Series
2025-4 Class
D
11/20/2035
7.670%
7,375,000
7,519,807
Series
2026-1 Class
D
03/20/2036
7.320%
5,150,000
5,159,674
Series
2026-2 Class
D
05/20/2036
7.350%
14,500,000
14,515,817
Veros
Auto
Receivables
Trust
(d)
Series
2026-2 Class
E
01/12/2032
7.960%
1,400,000
1,402,878
Vista
Point
Securitization
Trust
(d)
Series
2025-CES2 Class
M1
08/25/2055
6.366%
8,732,000
8,698,507
Vista
Point
Securitization
Trust
(c),(d)
Series
2024-CES2 Class
B1
10/25/2054
7.498%
2,500,000
2,504,538
Series
2024-CES3 Class
B1
01/25/2055
7.833%
4,700,000
4,719,672
Series
2024-CES3 Class
B2
01/25/2055
9.534%
2,900,000
2,932,990
Series
2025-CES1 Class
B1
04/25/2055
7.621%
3,929,000
3,936,145
Series
2025-CES1 Class
B2
04/25/2055
8.956%
2,546,000
2,561,924
1
1
1
1
1
Total
Non-Agency
Asset-Backed
Securities
(Cost
$
659,953,255)
647,878,773
Non-Agency
Collateralized
Loan
Obligations
Securities
4.6%
ARES
LX
CLO
Ltd.
(b),(d)
Series
2021-60A Class
E
3
mo.
USD
Term
SOFR
+
6.512%
Floor
6.250%
07/18/2034
10.241%
5,000,000
4,796,350
Cayuga
Park
CLO
Ltd.
(b),(d)
Series
2020-1A Class
AR2
3
mo.
USD
Term
SOFR
+
1.200%
Floor
1.200%
10/17/2038
4.950%
24,500,000
24,475,475
Elmwood
CLO
16
Ltd.
(b),(d)
Series
2022-3A Class
ER
3
mo.
USD
Term
SOFR
+
6.750%
Floor
6.750%
04/20/2037
10.479%
2,750,000
2,694,293
Elmwood
CLO
19
Ltd.
(b),(d)
Series
2022-6A Class
AR2
3
mo.
USD
Term
SOFR
+
1.240%
Floor
1.240%
10/17/2038
4.990%
15,000,000
15,024,915
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Collateralized
Loan
Obligations
Securities
(continued)
Elmwood
CLO
VIII
Ltd.
(b),(d)
Series
2021-1A Class
ER
3
mo.
USD
Term
SOFR
+
6.250%
Floor
6.250%
04/20/2037
9.979%
2,500,000
2,388,410
Invesco
U.S.
CLO
Ltd.
(b),(d)
Series
2026-1A Class
E
3
mo.
USD
Term
SOFR
+
6.030%
Floor
6.030%
04/15/2039
9.711%
11,500,000
11,593,403
Madison
Park
Funding
XLII
Ltd.
(b),(d)
Series
13A Class
BR2
3
mo.
USD
Term
SOFR
+
1.300%
Floor
1.300%
11/21/2030
5.052%
26,978,000
26,965,024
Magnetite
XVII
Ltd.
(b),(d)
Series
2016-17A Class
D1R3
3
mo.
USD
Term
SOFR
+
2.600%
Floor
2.600%
07/25/2039
6.192%
10,750,000
10,796,203
Octagon
54
Ltd.
(b),(d)
Series
2021-1A Class
E
3
mo.
USD
Term
SOFR
+
6.512%
Floor
6.250%
07/15/2034
10.265%
2,500,000
1,807,358
Palmer
Square
CLO
Ltd.
(b),(d)
Series
2023-2A Class
ER
3
mo.
USD
Term
SOFR
+
6.400%
Floor
6.400%
07/20/2038
10.129%
2,000,000
1,997,336
Series
2026-2A Class
D
3
mo.
USD
Term
SOFR
+
2.450%
Floor
2.450%
07/20/2039
6.198%
8,700,000
8,764,267
TCW
CLO
Ltd.
(b),(d)
Series
2025-2A Class
E
3
mo.
USD
Term
SOFR
+
6.250%
Floor
6.250%
01/15/2039
10.003%
2,500,000
2,450,305
Voya
CLO
Ltd.
(b),(d)
Series
2026-2A Class
D1
3
mo.
USD
Term
SOFR
+
2.550%
Floor
2.550%
07/15/2039
6.301%
6,700,000
6,687,056
1
1
1
1
1
Total
Non-Agency
Collateralized
Loan
Obligations
Securities
(Cost
$
121,056,058)
120,440,395
Non-Agency
Collateralized
Mortgage
Obligation
Securities
34.1%
A&D
Mortgage
Trust
(c),(d)
Series
2024-NQM1 Class
B1
02/25/2069
8.411%
5,600,000
5,634,728
Series
2026-NQM1 Class
A1
02/25/2071
4.912%
8,629,812
8,476,391
A&D
Mortgage
Trust
(d)
Series
2024-NQM1 Class
A1
02/25/2069
6.195%
2,296,336
2,295,956
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Series
2025-NQM4 Class
A1
10/25/2070
5.225%
9,066,047
8,981,058
Ajax
Mortgage
Loan
Trust
(c),(d)
Series
2021-E Class
B2
12/25/2060
3.929%
8,617,660
5,446,190
AlphaFlow
Transitional
Mortgage
Trust
(d)
Series
2021-WL1 Class
A1
10/25/2026
3.280%
623,033
470,069
Angel
Oak
Mortgage
Trust
(c),(d)
Series
2019-6 Class
B1
11/25/2059
3.941%
9,450,000
8,839,359
Series
2021-5 Class
A3
07/25/2066
1.311%
2,933,384
2,553,845
Angel
Oak
Mortgage
Trust
(d)
Series
2025-8 Class
A1
07/25/2070
5.410%
5,386,945
5,367,090
Barclays
Mortgage
Loan
Trust
(c),(d)
Series
2026-NQM5 Class
M1
05/25/2066
6.342%
8,516,900
8,423,416
BCAT
(c),(d)
06/12/2031
5.606%
12,114,095
12,073,234
BRAVO
Residential
Funding
Trust
(c),(d)
Series
2021-NQM2 Class
B1
03/25/2060
3.044%
6,626,000
6,224,989
Series
2021-NQM2 Class
B2
03/25/2060
4.099%
4,100,000
3,642,734
BRAVO
Residential
Funding
Trust
(d)
Series
2026-NQMR1 Class
A2
08/25/2062
5.500%
11,649,313
11,548,265
CAFL
Issuer
LP
(d)
Series
2025-RRTL1 Class
M1
05/28/2040
8.160%
3,000,000
3,021,979
Series
2025-RRTL2 Class
M1
11/28/2040
6.791%
6,500,000
6,454,025
Castlelake
Residential
Mortgage
Trust
(c),(d)
Series
2026-RTL1 Class
M1
08/25/2041
7.157%
3,600,000
3,587,178
Center
Street
Lending
Resi
-Investor
ABS
Mortgage
Trust
(d)
Series
2026-RTL1 Class
A1
12/25/2030
5.375%
20,050,000
19,848,445
CHNGE
Mortgage
Trust
(d)
Series
2022-NQM1 Class
M1
06/25/2067
6.820%
3,150,000
3,134,077
CHNGE
Mortgage
Trust
(c),(d)
Series
2022-1 Class
B1
01/25/2067
4.558%
8,350,000
7,113,597
Series
2022-1 Class
B2
01/25/2067
4.558%
7,431,000
6,042,241
Series
2022-1 Class
M1
01/25/2067
3.990%
4,650,000
3,917,678
Series
2022-2 Class
B1
03/25/2067
4.581%
4,569,000
4,005,510
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Series
2023-3 Class
B1
07/25/2058
8.196%
3,700,000
3,688,558
Series
2023-3 Class
M1
07/25/2058
8.196%
8,900,000
8,890,454
CIM
Trust
(d)
Series
2026-NR1 Class
A1
07/25/2065
5.000%
20,528,127
19,919,273
Citigroup
Mortgage
Loan
Trust,
Inc.
(c),(d)
Series
2018-RP3 Class
B3
03/25/2061
3.250%
10,497,650
7,644,297
Citigroup
Mortgage
Loan
Trust,
Inc.
(d),(l)
Series
2015-RP2 Class
FB
01/25/2053
0.000%
1,297,086
540,511
Citigroup
Mortgage
Loan
Trust,
Inc.
(a),(c),(d)
Series
2015-RP2 Class
X
01/25/2053
0.966%
30,357,261
893,897
Citigroup
Mortgage
Loan
Trust,
Inc.
(d)
Series
2015-RP2 Class
B5
01/25/2053
4.250%
13,217,335
9,920,999
COLT
Mortgage
Loan
Trust
(c),(d)
Series
2021-3 Class
A3
09/27/2066
1.419%
4,816,263
4,012,455
Series
2021-3 Class
B1
09/27/2066
3.059%
2,502,000
1,690,100
Series
2021-4 Class
B1
10/25/2066
3.764%
5,969,000
4,638,248
Series
2025-5 Class
B1
05/25/2070
7.439%
3,728,000
3,746,771
COLT
Mortgage
Loan
Trust
(d)
Series
2025-5 Class
A1
05/25/2070
5.536%
5,528,295
5,517,581
Easy
Street
Mortgage
Loan
Trust
(d)
Series
2025-RTL1 Class
A1
05/25/2040
6.456%
10,000,000
10,042,780
Series
2025-RTL2 Class
A1
10/25/2040
5.606%
16,700,000
16,605,461
Easy
Street
Mortgage
Loan
Trust
(c),(d)
Series
2025-RTL1 Class
M
05/25/2040
9.116%
3,750,000
3,747,053
Ellington
Financial
Mortgage
Trust
(c),(d)
Series
2025-RTL1 Class
M1
11/25/2040
6.394%
2,000,000
1,996,117
Series
2025-RTL1 Class
M2
11/25/2040
8.334%
2,250,000
2,244,457
Federal
Home
Loan
Mortgage
Corp.
(c)
02/25/2032
0.270%
226,688,107
1,198,500
02/25/2032
3.758%
2,950,000
2,870,320
Federal
Home
Loan
Mortgage
Corp.
STACR
Debt
Notes
(a),(d)
04/25/2030
0.080%
1,783,905,814
3,693,577
04/25/2030
0.125%
1,783,905,814
5,771,114
Federal
Home
Loan
Mortgage
Corp.
STACR
Debt
Notes
(c),(d)
04/25/2033
0.185%
16,988,156
14,168,763
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Federal
Home
Loan
Mortgage
Corp.
Structured
Pass-Through
Certificates
(c)
02/25/2032
3.758%
1,293,149
1,281,027
Galton
Funding
Mortgage
Trust
(c),(d)
Series
2020-H1 Class
B1
01/25/2060
3.386%
1,877,100
1,444,090
GCAT
Trust
(c),(d)
Series
2019-NQM3 Class
M1
11/25/2059
3.450%
5,650,000
5,489,494
Series
2025-NQM5 Class
A1
08/25/2070
4.981%
11,539,590
11,386,589
GS
Mortgage-Backed
Securities
Corp.
Trust
(d)
Series
2025-NQM6 Class
A1
02/25/2066
5.021%
8,093,160
7,991,254
GS
Mortgage-Backed
Securities
Trust
(d)
Series
2025-NQM4 Class
A1
10/25/2065
5.006%
6,396,004
6,317,603
HOMES
Trust
(c),(d)
Series
2025-AFC4 Class
A1
11/25/2060
5.149%
7,712,849
7,624,019
HOMES
Trust
(d)
Series
2026-INV1 Class
A1D
08/25/2060
5.077%
12,867,947
12,643,888
HTAP
Issuer
Trust
(d)
Series
2025-1 Class
A
11/25/2042
6.500%
10,350,757
10,232,703
Imperial
Fund
Mortgage
Trust
(c),(d)
Series
2021-NQM3 Class
B1
11/25/2056
4.184%
7,384,000
5,827,357
Series
2022-NQM3 Class
B1
05/25/2067
4.415%
4,489,000
3,640,126
JP
Morgan
Mortgage
Trust
(c),(d)
Series
2025-VIS3 Class
A1
02/25/2066
5.062%
12,638,101
12,483,070
LHOME
Mortgage
Trust
(c),(d)
Series
2024-RTL5 Class
M1
09/25/2039
6.823%
4,358,000
4,362,026
Series
2025-RTL1 Class
M1
01/25/2040
7.023%
5,368,000
5,387,460
Series
2025-RTL3 Class
M1
08/25/2040
6.891%
1,800,000
1,807,823
Mello
Mortgage
Capital
Acceptance
(d)
Series
2024-SD1 Class
M2
04/25/2054
4.000%
5,802,000
5,449,779
MFA
Trust
(d)
Series
2024-NPL1 Class
A1
09/25/2054
6.330%
14,050,473
14,057,540
MFA
Trust
(c),(d)
Series
2020-NQM3 Class
B1
01/26/2065
3.661%
6,250,000
5,683,547
Series
2020-NQM3 Class
M1
01/26/2065
2.654%
3,500,000
3,228,342
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Morgan
Stanley
Residential
Mortgage
Loan
Trust
(d)
Series
2025-NQM7 Class
A1
09/25/2070
4.984%
13,542,593
13,367,338
Series
2026-DSC2 Class
A2
04/27/2071
5.693%
8,661,011
8,625,640
Morgan
Stanley
Residential
Mortgage
Loan
Trust
(c),(d)
Series
2025-DSC3 Class
A1
09/25/2070
4.912%
11,217,822
11,044,750
New
Residential
Mortgage
Loan
Trust
(c),(d)
Series
2019-RPL3 Class
B4
07/25/2059
3.960%
9,250,000
6,878,318
Series
2022-NQM2 Class
B1
03/27/2062
3.851%
2,887,000
2,020,817
Series
2024-RPL1 Class
B4
01/25/2064
3.858%
6,748,000
4,811,551
Series
2024-RPL1 Class
B5
01/25/2064
3.858%
5,287,000
3,559,304
Series
2025-NQM4 Class
A1
07/25/2065
5.350%
13,954,431
13,866,641
Series
2025-NQM5 Class
A1
08/25/2065
5.109%
11,809,205
11,665,313
New
Residential
Mortgage
Loan
Trust
(a),(c),(d)
Series
2014-1A Class
A
01/25/2054
2.083%
2,373,777
86,728
New
York
Mortgage
Trust
(d)
Series
2026-RR1 Class
A
09/28/2065
6.879%
23,450,000
23,371,919
NYMT
Loan
Trust
(c),(d)
Series
2024-CP1 Class
A2
02/25/2068
3.919%
5,295,000
4,073,782
Series
2024-CP1 Class
M1
02/25/2068
3.919%
2,350,000
1,715,985
Series
2025-INV2 Class
A1
10/25/2060
5.000%
8,653,545
8,536,728
OBX
Trust
(c),(d)
Series
2021-NQM2 Class
A1
05/25/2061
1.101%
6,143,658
4,961,116
Series
2021-NQM3 Class
A1
07/25/2061
1.054%
4,085,322
3,382,453
OSAT
Trust
(d)
Series
2021-RPL1 Class
A2
05/25/2065
7.967%
5,879,946
5,662,890
PRKCM
Trust
(c),(d)
Series
2022-AFC1 Class
A3
04/25/2057
4.100%
5,122,843
4,780,143
PRPM
LLC
(d)
Series
2023-RCF1 Class
M2
06/25/2053
4.000%
7,802,000
7,683,090
Series
2023-RCF2 Class
M1
11/25/2053
4.000%
1,724,000
1,686,006
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Series
2023-RCF2 Class
M2
11/25/2053
4.000%
3,688,000
3,599,977
Series
2024-6 Class
A2
11/25/2029
8.596%
7,000,000
7,004,376
Series
2024-7 Class
A1
11/25/2029
5.870%
4,786,421
4,788,154
Series
2024-8 Class
A1
12/25/2029
5.897%
2,849,829
2,850,161
Series
2024-8 Class
A2
12/25/2029
8.836%
6,100,000
6,108,797
Series
2024-RCF1 Class
M1
01/25/2054
4.000%
1,850,000
1,801,970
Series
2024-RCF1 Class
M2
01/25/2054
4.000%
9,750,000
9,409,450
Series
2024-RCF2 Class
M1
03/25/2054
3.750%
2,800,000
2,704,033
Series
2024-RCF2 Class
M2
03/25/2054
3.750%
11,150,000
10,651,526
Series
2024-RCF4 Class
M1
07/25/2054
4.000%
2,335,000
2,250,007
Series
2024-RCF4 Class
M2
07/25/2054
4.000%
1,910,000
1,824,219
Series
2024-RCF6 Class
M1
10/25/2064
4.000%
2,350,000
2,252,580
Series
2024-RCF6 Class
M2
10/25/2064
4.000%
4,088,000
3,864,156
Series
2024-RPL4 Class
M1
12/25/2054
4.000%
4,700,000
4,478,489
Series
2024-RPL4 Class
M2
12/25/2054
4.000%
4,408,000
4,146,603
Series
2025-3 Class
A2
05/25/2030
9.066%
10,000,000
9,975,717
Series
2025-4 Class
A2
06/25/2030
9.438%
8,000,000
7,983,029
Series
2025-RCF4 Class
M1B
08/25/2055
4.500%
477,000
447,538
Series
2025-RCF4 Class
M2
08/25/2055
4.500%
2,000,000
1,866,849
Series
2025-RPL1 Class
M2
03/25/2055
4.000%
9,500,000
8,753,100
Series
2026-1 Class
A2
02/25/2031
6.474%
9,600,000
9,519,906
Series
2026-3 Class
A1
04/25/2031
5.962%
12,285,541
12,234,015
Series
2026-4 Class
A1
06/25/2031
6.299%
18,049,049
18,006,531
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
PRPM
LLC
(c),(d)
Series
2025-RCF3 Class
M1A
07/25/2055
5.250%
1,100,000
1,068,376
Series
2025-RCF3 Class
M1B
07/25/2055
5.250%
1,000,000
960,184
Series
2025-RCF3 Class
M2
07/25/2055
5.250%
2,000,000
1,911,117
PRPM
Trust
(c),(d)
Series
2023-NQM3 Class
B2
11/25/2068
7.284%
2,043,000
2,043,701
Series
2025-NQM3 Class
A1
05/25/2070
5.606%
7,466,523
7,458,259
Series
2025-NQM4 Class
A1
07/25/2070
4.980%
11,466,762
11,322,529
PRPM
Trust
(d)
Series
2026-RCF1 Class
M2
01/25/2056
5.500%
2,499,000
2,385,454
RCO
IX
Mortgage
LLC
(d)
Series
2026-4 Class
M1
08/25/2031
9.558%
11,485,000
11,443,206
RCO
Trust
(d)
Series
2025-PR1 Class
A
03/02/2055
6.250%
8,296,405
8,145,559
Redwood
Funding
HEI
LLC
(d),(k)
Series
2026-HEI1 Class
A
07/25/2030
7.473%
19,739,485
19,739,485
Reneu
Redi
Q-1
Trust
(d)
Series
2026-RTL1 Class
A1
06/25/2041
5.892%
21,000,000
20,943,510
Residential
Mortgage
Loan
Trust
(c),(d)
Series
2020-1 Class
B1
01/26/2060
3.946%
3,938,000
3,721,475
RUN
Trust
(c),(d)
Series
2022-NQM1 Class
M1
03/25/2067
4.008%
5,595,000
4,644,442
Saluda
Grade
Alternative
Mortgage
Trust
(c),(d)
Series
2022-INV1 Class
B1
04/25/2067
4.562%
5,198,000
4,297,366
Series
2022-INV1 Class
B2
04/25/2067
4.562%
4,958,000
3,862,548
Saluda
Grade
Alternative
Mortgage
Trust
(b),(d)
Series
2026-LOC6 Class
A1A
1
mo.
USD
Term
SOFR
+
1.500%
Floor
1.500%
06/25/2056
5.167%
17,894,875
17,919,583
Splitero
Trust
(d)
Series
2025-1 Class
A2
12/25/2055
7.000%
11,500,000
11,332,000
Starwood
Mortgage
Residential
Trust
(d)
Series
2020-INV1 Class
B1
11/25/2055
3.257%
3,200,000
2,934,847
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Series
2020-INV1 Class
B2
11/25/2055
4.261%
1,400,000
1,281,750
Starwood
Mortgage
Residential
Trust
(c),(d)
Series
2020-3 Class
B1
04/25/2065
4.750%
4,750,000
4,257,311
Series
2021-3 Class
A1
06/25/2056
1.127%
3,021,233
2,579,408
Toorak
Mortgage
Trust
(c),(d)
Series
2024-RRTL2 Class
B1
09/25/2039
8.178%
5,550,000
5,551,710
Series
2024-RRTL2 Class
M1
09/25/2039
7.257%
5,375,000
5,384,534
Series
2025-RRTL1 Class
B1
02/25/2040
8.342%
7,250,000
7,282,429
Triangle
Re
Ltd.
(b),(d)
Series
2021-2 Class
B1
1
mo.
USD
Term
SOFR
+
7.614%
Floor
7.500%
10/25/2033
11.282%
7,100,000
7,149,016
Series
2021-2 Class
M2
1
mo.
USD
Term
SOFR
+
5.614%
Floor
5.500%
10/25/2033
9.282%
2,839,963
2,848,372
Series
2021-3 Class
B1
30
day
USD
SOFR
Average
+
4.950%
Floor
4.950%
02/25/2034
8.593%
7,500,000
7,534,679
TVC
Mortgage
Trust
(c),(d)
Series
2026-RRTL1 Class
M1
02/25/2041
6.340%
1,000,000
987,503
TVC
Mortgage
Trust
(d)
Series
2024-RRTL1 Class
M2
07/25/2039
9.398%
9,560,000
9,528,479
Verus
Securitization
Trust
(d)
Series
2021-R2 Class
M1
02/25/2064
2.244%
3,781,000
3,363,324
Verus
Securitization
Trust
(c),(d)
Series
2021-4 Class
A1
07/25/2066
0.938%
6,037,766
5,088,854
Series
2021-5 Class
B1
09/25/2066
3.037%
3,800,000
2,711,604
Series
2021-5 Class
B2
09/25/2066
3.941%
3,500,000
2,626,141
Series
2022-2 Class
B2
02/25/2067
4.258%
4,493,200
3,442,202
Visio
Trust
(c),(d)
Series
2019-2 Class
B1
11/25/2054
3.910%
1,200,000
1,193,452
Issuer
Coupon
Rate
Principal
Amount
($)
Value
($)
Non-Agency
Collateralized
Mortgage
Obligation
Securities
(continued)
Series
2019-2 Class
M1
11/25/2054
3.260%
1,039,193
1,033,055
1
1
1
1
1
Total
Non-Agency
Collateralized
Mortgage
Obligation
Securities
(Cost
$
887,530,341)
895,160,236
Non-Agency
Commercial
Mortgage-Backed
Securities
1.2%
BHMS
Commercial
Mortgage
Trust
(b),(d)
Series
2025-ATLS Class
B
1
mo.
USD
Term
SOFR
+
2.550%
Floor
2.550%
08/15/2042
6.189%
3,800,000
3,813,216
BXP
Trust
(c),(d)
Series
2021-601L Class
E
01/15/2044
2.868%
7,150,000
5,592,764
COMM
Mortgage
Trust
(b),(d)
Series
2019-521F Class
A
1
mo.
USD
Term
SOFR
+
1.047%
Floor
0.900%
06/15/2034
4.687%
5,300,000
5,195,064
CSMC
OA
LLC
(d)
Series
2014-USA Class
F
09/15/2037
4.373%
3,450,000
2,534,758
CSMC
Trust
(d)
Series
2014-USA Class
E
09/15/2037
4.373%
1,125,000
913,823
Hilton
USA
Trust
(d)
Series
2016-SFP Class
F
11/05/2035
6.155%
27,400,000
550,808
KSL
Commercial
Mortgage
Trust
(b),(d)
Series
2026-HT3 Class
D
1
mo.
USD
Term
SOFR
+
2.750%
Floor
2.750%
06/15/2043
6.389%
7,800,000
7,809,747
VCC
Trust
(d)
Series
2025-MC1 Class
A2
05/25/2055
12.047%
5,214,000
5,184,759
1
1
1
1
1
Total
Non-Agency
Commercial
Mortgage-Backed
Securities
(Cost
$
59,650,228)
31,594,939
..
Value
($)
Call
Option
Contracts
Purchased
0.0%
(Cost
$
11,003,350)
101,587
.
Shares
.....
Value
($)
Money
Market
Funds
4.3%
Columbia
Short-Term
Cash
Fund,
3.871%
(h),(p)
112,549,708
112,493,433
1
1
1
Total
Money
Market
Funds
(Cost
$
112,480,795)
112,493,433
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Net
change
in
unrealized
appreciation
(depreciation)
($)
Capital
gain
distributions
($)
Columbia
Short-Term
Cash
Fund
Itasca
Park
LLC
-
Unfunded
Itasca
Park
LLC
-
Unfunded
Notes
to
Portfolio
of
Investments
.....
Value
($)
Total
Investments
in
Securities
(Cost
$
4,748,515,586
)
4,591,774,801
Other
Assets
&
Liabilities,
Net
(1,967,794,846)
.....
Value
($)
Net
Assets
2,623,979,955
(a)
Represents
interest
only
securities
which
have
the
right
to
receive
the
monthly
interest
payments
on
an
underlying
pool
of
mortgage
loans.
(b)
Variable
rate
security.
The
interest
rate
shown
was
the
current
rate
as
of
August
31,
2026.
(c)
Variable
or
floating
rate
security,
the
interest
rate
of
which
adjusts
periodically
based
on
changes
in
current
interest
rates
and
prepayments
on
the
underlying
pool
of
assets.
The
interest
rate
shown
was
the
current
rate
as
of
August
31,
2026.
(d)
Represents
privately
placed
and
other
securities
and
instruments
exempt
from
Securities
and
Exchange
Commission
registration
(collectively,
private
placements),
such
as
Section
4(a)(2)
and
Rule
144A
eligible
securities,
which
are
often
sold
only
to
qualified
institutional
buyers.
At
August
31,
2026,
the
total
value
of
these
securities
amounted
to
$1,820,918,447,
which
represents
69.40%
of
total
net
assets.
(e)
This
security
or
a
portion
of
this
security
has
been
pledged
as
collateral
in
connection
with
investments
sold
short
and/or
derivative
contracts.
(f)
Represents
a
security
purchased
on
a
when-issued
basis.
(g)
The
Fund’s
committed
equity
ownership
interest
in
the
joint
venture
is
17%
of
the
LLC,
which
is
not
held
in
the
form
of
shares.
Investments
into
the
LLC
will
be
called
from
the
Fund
over
a
commitment
period
ending
August
31,
2026. Any
unfunded
commitments
are
indicated
as
such.
(h)
Under
the
Investment
Company
Act
of
1940,
an
affiliated
company
is
one
in
which
the
Fund
owns
5%
or
more
of
the
company's
outstanding
voting
securities,
or
a
company
which
is
under
common
ownership
or
control
with
the
Fund.
The
values
of
the
holdings
and
transactions
in
these
affiliated
companies
during
the
period
ended
August
31,
2026
are
as
follows:
(
i
)
Denotes
a
restricted
security,
which
is
subject
to
legal
or
contractual
restrictions
on
resale
under
federal
securities
laws.
Disposal
of
a
restricted
investment
may
involve
time-consuming
negotiations
and
expenses,
and
prompt
sale
at
an
acceptable
price
may
be
difficult
to
achieve.
Private
placement
securities
are
generally
considered
to
be
restricted,
although
certain
of
those
securities
may
be
traded
between
qualified
institutional
investors
under
the
provisions
of
Section
4(a)(2)
and
Rule
144A.
The
Fund
will
not
incur
any
registration
costs
upon
such
a
trade.
At
August
31,
2026,
the
total
market
value
of
these
securities
amounted
to
$17,585,311,
which
represents
0.67%
of
total
net
assets.
Additional
information
on
these
securities
is
as
follows:
(j)
Non-income
producing
investment.
(k)
Valuation
based
on
significant
unobservable
inputs.
(l)
Zero
coupon
bond.
(m)
Security
represents
a
pool
of
loans
that
generate
cash
payments
generally
over
fixed
periods
of
time.
Such
securities
entitle
the
security
holders
to
receive
distributions
(i.e.
principal
and
interest,
net
of
fees
and
expenses)
that
are
tied
to
the
payments
made
by
the
borrower
on
the
underlying
loans.
Due
to
the
structure
of
the
security
the
cash
payments
received
are
not
known
until
the
time
of
payment.
The
interest
rate
shown
is
the
stated
coupon
rate
as
of
August
31,
2026
and
is
not
reflective
of
the
cash
flow
payments.
The
security
is
represented
in
shares.
(n)
Principal
amount
represents
ownership
shares
of
the
Trust.
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
At
August
31,
2026,
securities
and/or
cash
totaling
$64,723,995
were
pledged
as
collateral.
Investments
in
Derivatives
(o)
Represents
fair
value
as
determined
in
good
faith
under
procedures
approved
by
the
Board
of
Trustees.
At
August
31,
2026,
the
total
value
of
these
securities
amounted
to
$5,107,500,
which
represents
0.19%
of
total
net
assets.
(p)
The
rate
shown
is
the
seven-day
current
annualized
yield
at
August
31,
2026.
Long
futures
contracts
Description
Number
of
contracts
Expiration
date
Trading
currency
Notional
amount
Value/Unrealized
appreciation
($)
Value/Unrealized
depreciation
($)
Ultra
U.S.
Treasury
Bond
Futures
370
12/2026
USD
40,711,562
—
(49,080)
Short
futures
contracts
Description
Number
of
contracts
Expiration
date
Trading
currency
Notional
amount
Value/Unrealized
appreciation
($)
Value/Unrealized
depreciation
($)
CBOT
10
Year
U.S.
Treasury
Notes
Futures
(8,507)
12/2026
USD
(915,831,719)
2,791,359
—
CBOT
2
Year
U.S.
Treasury
Notes
Futures
(909)
12/2026
USD
(186,558,048)
78,779
—
CBOT
5
Year
U.S.
Treasury
Notes
Futures
(3,660)
12/2026
USD
(386,873,437)
1,887,188
—
CBOT
U.S.
Long
Bond
Futures
(2,248)
12/2026
USD
(244,189,000)
—
(422,460)
Total
4,757,326
(422,460)
OTC
Option
Contracts
Purchased
Call
option
contracts
purchased
Description
Counterparty
Trading
currency
Notional
amount
Number
of
contracts
Exercise
price/Rate
Expiration
date
Cost
($)
Value
($)
10
Year
Interest
Rate
Swap,
receive
exercise
rate
and
pays
1
day
USD
SOFR
Citibank
NA
USD
250,000,000
250,000,000
3.50
12/01/2026
4,337,500
74,950
30
Year
Interest
Rate
Swap,
receive
exercise
rate
and
pays
1
day
USD
SOFR
Morgan
Stanley
Capital
Services
LLC
USD
59,000,000
59,000,000
3.50
10/29/2026
1,595,950
4,130
5
Year
Interest
Rate
Swap,
receive
exercise
rate
and
pays
1
day
USD
SOFR
Citibank
NA
USD
270,000,000
270,000,000
3.40
09/08/2026
2,659,500
27
5
Year
Interest
Rate
Swap,
receive
exercise
rate
and
pays
1
day
USD
SOFR
Citibank
NA
USD
262,000,000
262,000,000
3.50
10/08/2026
2,410,400
22,480
Total
11,003,350
101,587
OTC
Credit
default
swap
contracts
-
buy
protection
Reference
entity
Counterparty
Maturity
date
Pay
fixed
rate
(%)
Payment
frequency
Notional
currency
Notional
amount
Value
($)
Upfront
payments
($)
Upfront
receipts
($)
Unrealized
appreciation
($)
Unrealized
depreciation
($)
CMBX.NA.BBB-.11
Citibank
NA
11/18/2054
3.000
Monthly
USD
10,000,000
1,023,866
289,704
—
734,162
—
CMBX.NA.BBB-.11
Citibank
NA
11/18/2054
3.000
Monthly
USD
10,000,000
1,023,866
1,259,576
—
—
(235,710)
CMBX.NA.BBB-.11
Citibank
NA
11/18/2054
3.000
Monthly
USD
20,500,000
2,098,925
4,648,849
—
—
(2,549,924)
CMBX.NA.BBB-.11
Citibank
NA
11/18/2054
3.000
Monthly
USD
50,000,000
5,119,328
12,094,141
—
—
(6,974,813)
CMBX.NA.BBB-.11
Goldman
Sachs
International
11/18/2054
3.000
Monthly
USD
10,000,000
1,023,866
1,359,333
—
—
(335,467)
Total
10,289,851
19,651,603
—
734,162
(10,095,914)
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
OTC
Credit
default
swap
contracts
-
sell
protection
Reference
entity
Counterparty
Maturity
date
Receive
fixed
rate
(%)
Payment
frequency
Implied
credit
spread
(%)
*
Notional
currency
Notional
amount
Value
($)
Upfront
payments
($)
Upfront
receipts
($)
Unrealized
appreciation
($)
Unrealized
depreciation
($)
CMBX.
NA.BBB-.10
Citibank
NA
11/17/2059
3.000
Upon
Default
109.110
USD
9,390,482
(2,684,676)
—
(1,824,131)
—
(860,545)
CMBX.
NA.BBB-.10
Citibank
NA
11/17/2059
3.000
Upon
Default
109.110
USD
9,390,482
(2,684,676)
—
(1,784,768)
—
(899,908)
CMBX.
NA.BBB-.10
Citibank
NA
11/17/2059
3.000
Upon
Default
109.110
USD
18,780,964
(5,369,351)
—
(2,023,131)
—
(3,346,220)
CMBX.
NA.BBB-.16
Goldman
Sachs
International
04/17/2065
3.000
Upon
Default
7.488
USD
19,000,000
(3,480,286)
—
(2,371,502)
—
(1,108,784)
CMBX.
NA.BBB-.17
Goldman
Sachs
International
12/15/2056
3.000
Upon
Default
6.109
USD
9,500,000
(1,380,685)
—
(1,634,368)
253,683
—
CMBX.
NA.BBB-.17
Goldman
Sachs
International
12/15/2056
3.000
Upon
Default
6.109
USD
9,500,000
(1,380,685)
—
(1,543,169)
162,484
—
CMBX.
NA.BBB-.17
Goldman
Sachs
International
12/15/2056
3.000
Upon
Default
6.109
USD
50,000,000
(7,266,763)
—
(7,255,375)
—
(11,388)
CMBX.
NA.BBB-.17
Goldman
Sachs
International
12/15/2056
3.000
Upon
Default
6.109
USD
12,000,000
(1,744,023)
—
(1,126,651)
—
(617,372)
CMBX.
NA.BBB-.10
Morgan
Stanley
Capital
Services
LLC
11/17/2059
3.000
Upon
Default
109.110
USD
8,263,624
(2,362,515)
—
(1,704,362)
—
(658,153)
CMBX.
NA.BBB-.10
Morgan
Stanley
Capital
Services
LLC
11/17/2059
3.000
Upon
Default
109.110
USD
15,494,295
(4,429,715)
—
(2,727,201)
—
(1,702,514)
CMBX.
NA.BBB-.10
Morgan
Stanley
Capital
Services
LLC
11/17/2059
3.000
Upon
Default
109.110
USD
12,207,627
(3,490,078)
—
(1,711,170)
—
(1,778,908)
CMBX.
NA.BBB-.18
Morgan
Stanley
Capital
Services
LLC
12/17/2057
3.000
Upon
Default
5.946
USD
55,000,000
(4,084,942)
—
(4,539,142)
454,200
—
CMBX.
NA.BBB-.18
Morgan
Stanley
Capital
Services
LLC
12/17/2057
3.000
Upon
Default
5.946
USD
30,000,000
(2,228,150)
—
(2,661,352)
433,202
—
CMBX.
NA.BBB-.7
Morgan
Stanley
Capital
Services
LLC
01/17/2047
3.000
Upon
Default
42.374
USD
804,886
(71,067)
—
(83,671)
12,604
—
CMBX.
NA.BBB-.7
Morgan
Stanley
Capital
Services
LLC
01/17/2047
3.000
Upon
Default
42.374
USD
1,578,209
(139,347)
—
(98,843)
—
(40,504)
CMBX.
NA.BBB-.8
Morgan
Stanley
Capital
Services
LLC
10/17/2057
3.000
Upon
Default
56.172
USD
1,807,609
(463,858)
—
(332,505)
—
(131,353)
Total
(43,260,817)
—
(33,421,341)
1,316,173
(11,155,649)
Portfolio
of
Investments
(continued)
Columbia
Mortgage
Opportunities
Fund,
August
31,
2026
(Unaudited)
Columbia
Mortgage
Opportunities
Fund
|
2026
Investments
are
valued
using
policies
described
in
the
Notes
to
Financial
Statements
included
within
the
most
recent
financial
statements
and
additional
information.
*
Implied
credit
spreads,
represented
in
absolute
terms,
utilized
in
determining
the
market
value
of
credit
default
swap
agreements
on
corporate
or
sovereign
issues
as
of
period
end
serve
as
an
indicator
of
the
current
status
of
the
payment/performance
risk
and
represent
the
likelihood
or
risk
of
default
for
the
credit
derivative.
The
implied
credit
spread
of
a
particular
referenced
entity
reflects
the
cost
of
buying/selling
protection
and
may
include
upfront
payments
required
to
be
made
to
enter
into
the
agreement.
Wider
credit
spreads
represent
a
deterioration
of
the
referenced
entity’s
credit
soundness
and
a
greater
likelihood
or
risk
of
default
or
other
credit
event
occurring
as
defined
under
the
terms
of
the
agreement.
Abbreviation
Legend
REMIC(S)
Real
Estate
Mortgage
Investment
Conduit(s)
SOFR
Secured
Overnight
Financing
Rate
STRIPS
Separate
Trading
of
Registered
Interest
and
Principal
Securities
TBA
To
Be
Announced
Currency
Legend
USD
US
Dollar
You
may
at
any
time
request,
free
of
charge,
to
receive
a
paper
copy
of
this
report
by
calling
800.345.6611.