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Columbia Acorn Family of Funds
First Quarter Report
March 31, 2024 (Unaudited)
Columbia Acorn® Fund
Columbia Acorn International®
Columbia Acorn International SelectSM
Columbia Thermostat FundSM
Columbia Acorn European FundSM
  
Not FDIC or NCUA Insured
No Financial Institution Guarantee
May Lose Value
Portfolio of Investments
Columbia Acorn® Fund, March 31, 2024 (Unaudited)
(Percentages represent value of investments compared to net assets)
Investments in securities
 
 
Common Stocks 98.2%
Issuer
Shares
Value ($)
Communication Services 2.2%
Entertainment 1.4%
Take-Two Interactive Software, Inc.(a)
281,598
41,814,487
Media 0.8%
Trade Desk, Inc. (The), Class A(a)
255,371
22,324,533
Total Communication Services
64,139,020
Consumer Discretionary 18.9%
Automobile Components 1.8%
Dorman Products, Inc.(a)
357,562
34,465,401
Modine Manufacturing Co.(a)
202,151
19,242,754
Total
 
53,708,155
Distributors 1.5%
Pool Corp.
105,625
42,619,688
Diversified Consumer Services 1.8%
Bright Horizons Family Solutions, Inc.(a)
473,605
53,687,863
Hotels, Restaurants & Leisure 5.0%
Churchill Downs, Inc.
559,746
69,268,568
Dutch Bros, Inc., Class A(a)
338,035
11,155,155
Planet Fitness, Inc., Class A(a)
430,345
26,952,507
Portillo’s, Inc., Class A(a)
1,534,078
21,753,226
Xponential Fitness, Inc., Class A(a)
1,045,499
17,292,553
Total
 
146,422,009
Household Durables 3.2%
Skyline Champion Corp.(a)
585,936
49,810,419
TopBuild Corp.(a)
102,501
45,175,266
Total
 
94,985,685
Leisure Products 0.7%
Brunswick Corp.
201,624
19,460,748
Specialty Retail 4.9%
Boot Barn Holdings, Inc.(a)
381,072
36,259,001
Five Below, Inc.(a)
330,673
59,977,469
Williams-Sonoma, Inc.
148,361
47,109,068
Total
 
143,345,538
Total Consumer Discretionary
554,229,686
Common Stocks (continued)
Issuer
Shares
Value ($)
Consumer Staples 3.5%
Beverages 1.0%
Celsius Holdings, Inc.(a)
342,497
28,399,851
Consumer Staples Distribution & Retail 2.1%
BJ’s Wholesale Club Holdings, Inc.(a)
803,016
60,748,161
Household Products 0.4%
WD-40 Co.
49,600
12,564,176
Total Consumer Staples
101,712,188
Energy 2.0%
Energy Equipment & Services 1.5%
ChampionX Corp.
413,259
14,831,866
Helix Energy Solutions Group, Inc.(a)
1,466,254
15,894,193
TechnipFMC PLC
593,740
14,908,811
Total
 
45,634,870
Oil, Gas & Consumable Fuels 0.5%
Permian Resources Corp.
785,343
13,869,158
Total Energy
59,504,028
Financials 7.4%
Banks 1.2%
Lakeland Financial Corp.
232,728
15,434,521
Western Alliance Bancorp
310,239
19,914,241
Total
 
35,348,762
Capital Markets 4.1%
Blue Owl Capital, Inc.
2,211,962
41,717,603
GCM Grosvenor, Inc., Class A(b)
4,025,082
38,882,292
Houlihan Lokey, Inc., Class A
304,761
39,067,313
Total
 
119,667,208
Insurance 2.1%
Ryan Specialty Holdings, Inc., Class A
1,124,700
62,420,850
Total Financials
217,436,820
2
Columbia Acorn® Fund | First Quarter Report 2024
Portfolio of Investments  (continued)
Columbia Acorn® Fund, March 31, 2024 (Unaudited)
Common Stocks (continued)
Issuer
Shares
Value ($)
Health Care 20.6%
Biotechnology 6.5%
Apellis Pharmaceuticals, Inc.(a)
64,012
3,762,625
Arrowhead Pharmaceuticals, Inc.(a)
214,574
6,136,816
bluebird bio, Inc.(a),(c)
5,365,983
6,868,458
Cytokinetics, Inc.(a)
93,217
6,535,444
Exact Sciences Corp.(a)
717,960
49,582,318
Exelixis, Inc.(a)
505,034
11,984,457
Insmed, Inc.(a)
311,042
8,438,569
Natera, Inc.(a)
625,608
57,218,108
Neurocrine Biosciences, Inc.(a)
40,191
5,543,143
Revolution Medicines, Inc.(a)
258,724
8,338,675
Sarepta Therapeutics, Inc.(a)
144,489
18,705,546
Viking Therapeutics, Inc.(a)
87,952
7,212,064
Total
 
190,326,223
Health Care Equipment & Supplies 4.4%
Glaukos Corp.(a)
307,866
29,028,685
Inspire Medical Systems, Inc.(a)
183,916
39,503,318
Insulet Corp.(a)
139,818
23,964,805
Outset Medical, Inc.(a),(b)
3,023,976
6,713,227
Shockwave Medical, Inc.(a)
91,847
29,908,138
Total
 
129,118,173
Health Care Providers & Services 0.2%
P3 Health Partners, Inc., Class A(a),(b),(c)
6,309,520
6,498,806
Life Sciences Tools & Services 9.1%
BioLife Solutions, Inc.(a)
842,926
15,636,277
Bio-Techne Corp.
907,134
63,853,162
Charles River Laboratories International, Inc.(a)
96,946
26,267,519
DNA Script(a),(d),(e),(f)
1,139
227,195
Maravai LifeSciences Holdings, Inc., Class A(a)
2,513,250
21,789,877
Repligen Corp.(a)
346,722
63,769,110
Stevanato Group SpA
642,229
20,615,551
West Pharmaceutical Services, Inc.
139,981
55,391,882
Total
 
267,550,573
Common Stocks (continued)
Issuer
Shares
Value ($)
Pharmaceuticals 0.4%
Intra-Cellular Therapies, Inc.(a)
102,376
7,084,419
Pliant Therapeutics, Inc.(a)
310,308
4,623,589
Total
 
11,708,008
Total Health Care
605,201,783
Industrials 20.8%
Aerospace & Defense 2.5%
Axon Enterprise, Inc.(a)
54,387
17,016,604
Curtiss-Wright Corp.
221,354
56,653,343
Total
 
73,669,947
Commercial Services & Supplies 1.8%
Casella Waste Systems, Inc., Class A(a)
517,501
51,165,324
Construction & Engineering 3.5%
MYR Group, Inc.(a)
181,896
32,150,118
WillScot Mobile Mini Holdings Corp.(a)
1,489,768
69,274,212
Total
 
101,424,330
Electrical Equipment 2.8%
Atkore, Inc.
304,426
57,950,534
Vertiv Holdings Co.
293,675
23,984,437
Total
 
81,934,971
Machinery 3.3%
Esab Corp.
268,030
29,636,077
SPX Technologies, Inc.(a)
552,533
68,033,388
Total
 
97,669,465
Professional Services 5.5%
Exponent, Inc.
350,223
28,959,940
ICF International, Inc.
178,809
26,934,000
KBR, Inc.
799,028
50,866,122
Parsons Corp.(a)
353,668
29,336,761
Paylocity Holding Corp.(a)
148,430
25,509,180
Total
 
161,606,003
Trading Companies & Distributors 1.4%
SiteOne Landscape Supply, Inc.(a)
236,875
41,346,531
Total Industrials
608,816,571
Columbia Acorn® Fund | First Quarter Report 2024
3
Portfolio of Investments  (continued)
Columbia Acorn® Fund, March 31, 2024 (Unaudited)
Common Stocks (continued)
Issuer
Shares
Value ($)
Information Technology 18.5%
IT Services 1.9%
Globant SA(a)
167,491
33,816,433
MongoDB, Inc.(a)
65,353
23,438,200
Total
 
57,254,633
Semiconductors & Semiconductor Equipment 3.9%
Lattice Semiconductor Corp.(a)
569,382
44,542,754
Monolithic Power Systems, Inc.
23,917
16,201,854
Onto Innovation, Inc.(a)
133,586
24,189,753
Rambus, Inc.(a)
458,408
28,334,198
Total
 
113,268,559
Software 9.8%
Crowdstrike Holdings, Inc., Class A(a)
62,288
19,968,910
DoubleVerify Holdings, Inc.(a)
1,038,759
36,522,767
Dynatrace, Inc.(a)
395,641
18,373,568
HubSpot, Inc.(a)
63,312
39,668,767
Monday.com Ltd.(a)
78,721
17,780,712
Procore Technologies, Inc.(a)
117,602
9,663,356
Sprout Social, Inc., Class A(a)
833,268
49,754,432
Varonis Systems, Inc.(a)
468,948
22,120,277
Workiva, Inc., Class A(a)
383,927
32,557,010
Zeta Global Holdings Corp., Class A(a)
1,283,941
14,033,475
Zscaler, Inc.(a)
136,911
26,373,166
Total
 
286,816,440
Technology Hardware, Storage & Peripherals 2.9%
Pure Storage, Inc., Class A(a)
277,743
14,439,859
Super Micro Computer, Inc.(a)
70,210
70,914,206
Total
 
85,354,065
Total Information Technology
542,693,697
Common Stocks (continued)
Issuer
Shares
Value ($)
Materials 2.1%
Chemicals 0.5%
Albemarle Corp.
110,523
14,560,300
Containers & Packaging 1.6%
Avery Dennison Corp.
207,186
46,254,274
Total Materials
60,814,574
Real Estate 2.2%
Real Estate Management & Development 2.2%
Colliers International Group, Inc.
537,620
65,713,292
Total Real Estate
65,713,292
Total Common Stocks
(Cost $2,275,367,890)
2,880,261,659
 
Securities Lending Collateral 0.0%
 
 
 
Dreyfus Government Cash Management Fund,
Institutional Shares, 5.200%(g),(h)
73,400
73,400
Total Securities Lending Collateral
(Cost $73,400)
73,400
 
Money Market Funds 2.0%
 
Shares
Value ($)
Columbia Short-Term Cash Fund, 5.543%(b),(g)
59,220,200
59,208,356
Total Money Market Funds
(Cost $59,192,813)
59,208,356
Total Investments in Securities
(Cost: $2,334,634,103)
2,939,543,415
Obligation to Return Collateral for Securities
Loaned
 
(73,400
)
Other Assets & Liabilities, Net
 
(4,473,115
)
Net Assets
2,934,996,900
4
Columbia Acorn® Fund | First Quarter Report 2024
Portfolio of Investments  (continued)
Columbia Acorn® Fund, March 31, 2024 (Unaudited)
Notes to Portfolio of Investments 
(a)
Non-income producing investment.
(b)
As defined in the Investment Company Act of 1940, as amended, 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 value of the holdings and transactions in these affiliated companies during the period ended March 31, 2024 are as follows:
 
Affiliated issuers
Beginning
of period($)
Purchases($)
Sales($)
Net change in
unrealized
appreciation
(depreciation)($)
End of
period($)
Realized gain
(loss)($)
Dividends($)
End of
period shares
Columbia Short-Term Cash Fund, 5.543%
 
68,959,416
254,463,569
(264,208,315
)
(6,314
)
59,208,356
6,909
822,527
59,220,200
GCM Grosvenor, Inc., Class A
 
36,064,735
—
—
2,817,557
38,882,292
—
442,759
4,025,082
Outset Medical, Inc.‡
 
—
2,682,564
—
(31,055,438
)
6,713,227
—
—
3,023,976
P3 Health Partners, Inc., Class A‡
 
—
2,020,781
—
(21,459,469
)
6,498,806
—
—
6,309,520
Total
105,024,151
 
 
(49,703,664
)
111,302,681
6,909
1,265,286
 
 
‡
Issuer was not an affiliate at the beginning of period.
 
(c)
All or a portion of this security was on loan at March 31, 2024. The total market value of securities on loan at March 31, 2024 was $61,168.
(d)
Represents fair value as determined in good faith under procedures approved by the Board of Trustees. At March 31, 2024, the total value of these securities amounted to $227,195, which represents 0.01% of total net assets.
(e)
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. These securities are valued at fair value determined in good faith under consistently applied procedures approved by the Fund’s Board of Trustees. At March 31, 2024, the total market value of these securities amounted to $227,195, which represents 0.01% of total net assets. Additional information on these securities is as follows:
 
Security
Acquisition
Dates
Shares
Cost ($)
Value ($)
DNA Script
10/01/2021
1,139
993,179
227,195
 
(f)
Valuation based on significant unobservable inputs.
(g)
The rate shown is the seven-day current annualized yield at March 31, 2024.
(h)
Investment made with cash collateral received from securities lending activity.
Investments are valued using policies described in the Notes to Financial Statements in the most recent shareholder report.
Columbia Acorn® Fund | First Quarter Report 2024
5
Portfolio of Investments
Columbia Acorn International®, March 31, 2024 (Unaudited)
(Percentages represent value of investments compared to net assets)
Investments in securities
 
 
Common Stocks 99.0%
Issuer
Shares
Value ($)
Australia 4.9%
CAR Group Ltd.
872,591
20,511,009
IDP Education Ltd.
1,432,359
16,720,092
Pro Medicus Ltd.
252,698
17,087,804
Total
54,318,905
Brazil 1.4%
TOTVS SA
2,641,793
15,006,716
Canada 8.9%
Agnico Eagle Mines Ltd.
97,083
5,788,929
Altus Group Ltd.(a)
377,811
14,470,366
ARC Resources Ltd.
957,042
17,062,910
CCL Industries, Inc., Class B
416,811
21,302,887
Richelieu Hardware Ltd.
446,976
14,057,198
Wheaton Precious Metals Corp.
258,225
12,162,530
Whitecap Resources, Inc.
1,643,356
12,435,421
Total
97,280,241
China 2.1%
Proya Cosmetics Co., Ltd., Class A
407,064
5,258,413
Shenzhou International Group Holdings Ltd.
576,800
5,475,801
Silergy Corp.
1,236,000
12,643,953
Total
23,378,167
Finland 1.5%
Valmet OYJ(a)
608,034
16,006,044
France 1.9%
Edenred SE
292,710
15,629,177
Robertet SA
5,829
5,018,316
Total
20,647,493
Germany 7.9%
Amadeus Fire AG
70,766
9,167,407
CTS Eventim AG & Co. KGaA
166,648
14,817,157
Hypoport SE(b)
95,907
24,393,708
Jenoptik AG
679,887
21,119,757
Nemetschek SE
175,954
17,416,456
Total
86,914,485
Common Stocks (continued)
Issuer
Shares
Value ($)
India 2.6%
Astral Ltd.
155,692
3,723,679
Cholamandalam Investment and Finance Co., Ltd.
400,065
5,570,984
ICICI Prudential Life Insurance Co., Ltd.
1,394,459
10,195,573
Max Healthcare Institute Ltd.
944,652
9,316,505
Total
28,806,741
Ireland 1.9%
Bank of Ireland Group PLC
577,511
5,893,543
CRH PLC
169,949
14,668,301
Total
20,561,844
Italy 2.2%
Amplifon SpA
521,666
19,016,126
Carel Industries SpA
249,562
5,479,848
Total
24,495,974
Japan 18.2%
Capcom Co., Ltd.
488,800
9,157,233
Daiseki Co., Ltd.
844,119
20,607,809
Disco Corp.
65,900
24,088,657
Fuso Chemical Co., Ltd.
507,100
15,481,224
Gunma Bank Ltd. (The)
1,063,900
6,040,285
Hoshizaki Corp.
188,800
6,888,695
Kokusai Electric Corp.
225,600
5,791,569
Macnica Holdings, Inc.
112,000
5,490,100
NGK Spark Plug Co., Ltd.
423,300
14,053,506
Obic Co., Ltd.
85,600
12,929,979
Recruit Holdings Co., Ltd.
533,900
23,441,845
Simplex Holdings, Inc.
727,400
13,428,673
Solasto Corp.
1,887,300
6,778,768
Sundrug Co., Ltd.
182,800
5,675,075
Suntory Beverage & Food Ltd.
614,500
20,785,409
Yaskawa Electric Corp.
218,100
9,285,540
Total
199,924,367
6
Columbia Acorn International® | First Quarter Report 2024
Portfolio of Investments  (continued)
Columbia Acorn International®, March 31, 2024 (Unaudited)
Common Stocks (continued)
Issuer
Shares
Value ($)
Mexico 4.9%
Corporación Inmobiliaria Vesta SAB de CV
7,007,664
27,344,411
Grupo Aeroportuario del Centro Norte SAB de CV
1,373,218
13,498,003
La Comer SAB de CV
5,357,945
12,562,946
Total
53,405,360
Netherlands 4.5%
BE Semiconductor Industries NV
112,247
17,193,838
IMCD NV
180,474
31,765,245
Total
48,959,083
New Zealand 1.6%
Fisher & Paykel Healthcare Corp., Ltd.
1,137,570
17,432,797
Norway 0.8%
AutoStore Holdings Ltd.(b),(c)
4,699,040
8,691,671
Sweden 6.1%
AddTech AB, B Shares
648,070
14,743,705
Hexagon AB, Class B
2,259,128
26,704,999
Munters Group AB
1,405,706
25,214,948
Total
66,663,652
Switzerland 5.7%
Belimo Holding AG, Registered Shares
60,139
29,515,400
Inficon Holding AG
12,163
17,749,783
Tecan Group AG, Registered Shares
21,728
9,002,555
VAT Group AG
12,809
6,617,052
Total
62,884,790
Taiwan 3.8%
Parade Technologies Ltd.
198,000
5,698,719
Sinbon Electronics Co., Ltd.
1,658,000
14,509,911
Universal Vision Biotechnology Co., Ltd.
571,883
4,881,226
Voltronic Power Technology Corp.
317,408
16,371,049
Total
41,460,905
United Kingdom 15.7%
Ashtead Group PLC
136,138
9,697,003
Auto Trader Group PLC
2,439,267
21,540,957
ConvaTec Group PLC
4,007,275
14,476,500
Genus PLC
658,912
14,656,519
Common Stocks (continued)
Issuer
Shares
Value ($)
Halma PLC
783,051
23,382,201
Howden Joinery Group PLC
590,796
6,762,950
Intermediate Capital Group PLC
995,514
25,785,291
Rentokil Initial PLC
2,515,836
14,957,935
Rightmove PLC
3,669,818
25,436,493
Safestore Holdings PLC
1,672,397
15,957,268
Total
172,653,117
United States 1.2%
Inter Parfums, Inc.
93,531
13,142,041
Vietnam 1.2%
FPT Corp.
2,870,489
13,558,082
Total Common Stocks
(Cost $785,540,643)
1,086,192,475
 
Securities Lending Collateral 1.9%
 
 
 
Dreyfus Government Cash Management Fund,
Institutional Shares, 5.200%(d),(e)
20,830,800
20,830,800
Total Securities Lending Collateral
(Cost $20,830,800)
20,830,800
 
Money Market Funds 0.6%
 
Shares
Value ($)
Columbia Short-Term Cash Fund, 5.543%(d),(f)
5,968,987
5,967,793
Total Money Market Funds
(Cost $5,967,720)
5,967,793
Total Investments in Securities
(Cost $812,339,163)
1,112,991,068
Obligation to Return Collateral for Securities
Loaned
 
(20,830,800
)
Other Assets & Liabilities, Net
 
4,643,667
Net Assets
$1,096,803,935
Columbia Acorn International® | First Quarter Report 2024
7
Portfolio of Investments  (continued)
Columbia Acorn International®, March 31, 2024 (Unaudited)
Notes to Portfolio of Investments 
(a)
All or a portion of this security was on loan at March 31, 2024. The total market value of securities on loan at March 31, 2024 was $19,497,830.
(b)
Non-income producing investment.
(c)
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 March 31, 2024, the total value of these securities amounted to $8,691,671, which represents 0.79% of total net assets.
(d)
The rate shown is the seven-day current annualized yield at March 31, 2024.
(e)
Investment made with cash collateral received from securities lending activity.
(f)
As defined in the Investment Company Act of 1940, as amended, 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 value of the holdings and transactions in these affiliated companies during the period ended March 31, 2024 are as follows:
 
Affiliated issuers
Beginning
of period($)
Purchases($)
Sales($)
Net change in
unrealized
appreciation
(depreciation)($)
End of
period($)
Realized gain
(loss)($)
Dividends($)
End of
period shares
Columbia Short-Term Cash Fund, 5.543%
 
21,219,590
42,240,218
(57,492,045
)
30
5,967,793
(1,838
)
338,082
5,968,987
Investments are valued using policies described in the Notes to Financial Statements in the most recent shareholder report.
8
Columbia Acorn International® | First Quarter Report 2024
Portfolio of Investments
Columbia Acorn International SelectSM, March 31, 2024 (Unaudited)
(Percentages represent value of investments compared to net assets)
Investments in securities
 
 
Common Stocks 98.9%
Issuer
Shares
Value ($)
Australia 1.9%
CSL Ltd.
22,509
4,223,308
Brazil 0.8%
TOTVS SA
321,308
1,825,191
Canada 3.2%
ARC Resources Ltd.
137,717
2,455,329
Canadian National Railway Co.
13,670
1,800,094
Whitecap Resources, Inc.
382,647
2,895,524
Total
7,150,947
China 1.1%
NetEase, Inc., ADR
23,783
2,460,827
Denmark 3.4%
Novo Nordisk A/S
59,175
7,590,579
France 16.0%
Airbus Group SE
26,349
4,854,245
Cie de Saint-Gobain SA
31,386
2,435,986
EssilorLuxottica SA
11,042
2,497,829
L’Oreal SA
6,884
3,260,067
LVMH Moet Hennessy Louis Vuitton SE
4,488
4,038,288
Pernod Ricard SA
9,978
1,615,280
Publicis Groupe SA
44,604
4,862,751
Schneider Electric SE
27,623
6,244,909
TotalEnergies SE
83,125
5,718,119
Total
35,527,474
Germany 5.4%
Adidas AG
23,407
5,229,800
Deutsche Telekom AG, Registered Shares
170,412
4,136,667
Nemetschek SE
25,067
2,481,207
Total
11,847,674
Hong Kong 0.8%
AIA Group Ltd.
275,800
1,855,189
India 2.2%
Max Healthcare Institute Ltd.
119,375
1,177,320
Phoenix Mills Ltd. (The)
72,251
2,410,720
Polycab India Ltd.
19,680
1,198,467
Total
4,786,507
Common Stocks (continued)
Issuer
Shares
Value ($)
Ireland 4.5%
Bank of Ireland Group PLC
488,933
4,989,598
CRH PLC
56,688
4,892,742
Total
9,882,340
Italy 1.0%
Amplifon SpA
62,976
2,295,644
Japan 24.0%
Capcom Co., Ltd.
293,000
5,489,094
Daikin Industries Ltd.
20,000
2,730,815
Disco Corp.
9,700
3,545,675
Gunma Bank Ltd. (The)
335,300
1,903,664
Hoya Corp.
17,600
2,201,247
Keyence Corp.
9,400
4,364,053
Kokusai Electric Corp.
44,700
1,147,532
Macnica Holdings, Inc.
37,500
1,838,203
NGK Spark Plug Co., Ltd.
98,300
3,263,548
Omron Corp.
68,400
2,449,201
ORIX Corp.
70,300
1,537,584
Recruit Holdings Co., Ltd.
102,400
4,496,057
Renesas Electronics Corp.
319,400
5,691,918
Sony Group Corp.
19,700
1,689,289
Suntory Beverage & Food Ltd.
125,800
4,255,174
Tokyo Electron Ltd.
11,800
3,073,300
Yaskawa Electric Corp.
80,700
3,435,778
Total
53,112,132
Netherlands 3.1%
ASML Holding NV
4,473
4,336,403
IMCD NV
14,131
2,487,199
Total
6,823,602
New Zealand 1.0%
Fisher & Paykel Healthcare Corp., Ltd.
148,045
2,268,729
Norway 0.9%
Equinor ASA
73,263
1,964,504
Singapore 1.1%
DBS Group Holdings Ltd.
88,900
2,372,547
Columbia Acorn International SelectSM | First Quarter Report 2024
9
Portfolio of Investments  (continued)
Columbia Acorn International SelectSM, March 31, 2024 (Unaudited)
Common Stocks (continued)
Issuer
Shares
Value ($)
Spain 1.7%
Industria de Diseno Textil SA
75,631
3,808,497
Switzerland 8.6%
Belimo Holding AG, Registered Shares
8,475
4,159,414
Lonza Group AG, Registered Shares
5,084
3,038,191
Nestlé SA, Registered Shares
46,461
4,936,480
Sika AG
11,656
3,468,248
VAT Group AG
6,447
3,330,481
Total
18,932,814
Taiwan 0.8%
Parade Technologies Ltd.
61,000
1,755,666
United Kingdom 17.4%
3i Group PLC
178,991
6,346,558
Ashtead Group PLC
69,659
4,961,756
Auto Trader Group PLC
177,233
1,565,129
BT Group PLC
1,462,836
2,024,509
ConvaTec Group PLC
672,194
2,428,338
Halma PLC
76,902
2,296,323
Common Stocks (continued)
Issuer
Shares
Value ($)
Howden Joinery Group PLC
217,433
2,488,995
Intermediate Capital Group PLC
159,646
4,135,068
London Stock Exchange Group PLC
27,212
3,256,027
Reckitt Benckiser Group PLC
44,362
2,528,858
Rightmove PLC
235,662
1,633,437
Rio Tinto PLC
46,274
2,925,669
Whitbread PLC
46,043
1,924,963
Total
38,515,630
Total Common Stocks
(Cost $187,082,650)
218,999,801
 
Money Market Funds 0.5%
 
Shares
Value ($)
Columbia Short-Term Cash Fund, 5.543%(a),(b)
1,174,736
1,174,501
Total Money Market Funds
(Cost $1,174,384)
1,174,501
Total Investments in Securities
(Cost $188,257,034)
220,174,302
Other Assets & Liabilities, Net
 
1,325,034
Net Assets
$221,499,336
Notes to Portfolio of Investments 
(a)
The rate shown is the seven-day current annualized yield at March 31, 2024.
(b)
As defined in the Investment Company Act of 1940, as amended, 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 value of the holdings and transactions in these affiliated companies during the period ended March 31, 2024 are as follows:
 
Affiliated issuers
Beginning
of period($)
Purchases($)
Sales($)
Net change in
unrealized
appreciation
(depreciation)($)
End of
period($)
Realized gain
(loss)($)
Dividends($)
End of
period shares
Columbia Short-Term Cash Fund, 5.543%
 
5,679,803
17,298,787
(21,804,027
)
(62
)
1,174,501
1,142
25,045
1,174,736
Abbreviation Legend 
ADR
American Depositary Receipt
Investments are valued using policies described in the Notes to Financial Statements in the most recent shareholder report.
10
Columbia Acorn International SelectSM | First Quarter Report 2024
Portfolio of Investments
Columbia Thermostat FundSM, March 31, 2024 (Unaudited)
(Percentages represent value of investments compared to net assets)
Investments in securities
 
 
Equity Funds 9.0%
 
Shares
Value ($)
International 1.0%
Columbia Emerging Markets Fund, Institutional 3
Class(a),(b)
1,003,848
12,979,753
U.S. Large Cap 7.0%
Columbia Contrarian Core Fund, Institutional 3
Class(a)
914,632
32,624,920
Columbia Large Cap Enhanced Core Fund,
Institutional 3 Class(a)
1,178,230
32,754,787
Columbia Large Cap Index Fund, Institutional 3
Class(a)
473,228
26,221,594
Total
91,601,301
U.S. Small Cap 1.0%
Columbia Small Cap Index Fund, Institutional 3
Class(a)
545,846
13,160,361
Total Equity Funds
(Cost $86,647,859)
117,741,415
 
Exchange-Traded Equity Funds 1.0%
 
 
 
U.S. Large Cap 1.0%
Columbia Research Enhanced Core ETF(a)
424,363
13,146,766
Total Exchange-Traded Equity Funds
(Cost $10,323,256)
13,146,766
 
Exchange-Traded Fixed Income Funds 9.0%
 
 
 
Multisector 9.0%
Columbia Diversified Fixed Income Allocation ETF(a)
6,580,376
117,002,375
Total Exchange-Traded Fixed Income Funds
(Cost $125,576,870)
117,002,375
 
Fixed Income Funds 81.0%
 
Shares
Value ($)
Investment Grade 81.0%
Columbia Corporate Income Fund, Institutional 3
Class(a)
12,956,951
117,519,548
Columbia Quality Income Fund, Institutional 3
Class(a)
13,474,848
234,462,346
Columbia Total Return Bond Fund, Institutional 3
Class(a)
9,759,911
293,480,517
Columbia U.S. Treasury Index Fund, Institutional 3
Class(a)
41,409,806
411,199,377
Total
1,056,661,788
Total Fixed Income Funds
(Cost $1,110,851,125)
1,056,661,788
 
Money Market Funds 0.3%
 
 
 
Columbia Short-Term Cash Fund, 5.543%(a),(c)
4,177,297
4,176,461
Total Money Market Funds
(Cost $4,176,202)
4,176,461
Total Investments in Securities
(Cost: $1,337,575,312)
1,308,728,805
Other Assets & Liabilities, Net
 
(3,771,295
)
Net Assets
1,304,957,510
Notes to Portfolio of Investments 
(a)
As defined in the Investment Company Act of 1940, as amended, 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 value of the holdings and transactions in these affiliated companies during the period ended March 31, 2024 are as follows:
 
Affiliated issuers
Beginning
of period($)
Purchases($)
Sales($)
Net change in
unrealized
appreciation
(depreciation)($)
End of
period($)
Capital gain
distributions($)
Realized gain
(loss)($)
Dividends —
affiliated
issuers ($)
End of
period shares
Columbia Contrarian Core Fund, Institutional 3 Class
 
49,842,893
—
(15,820,740
)
(1,397,233
)
32,624,920
—
5,068,957
—
914,632
Columbia Corporate Income Fund, Institutional 3 Class
 
113,832,291
7,543,537
(2,458,064
)
(1,398,216
)
117,519,548
—
(75,889
)
1,308,989
12,956,951
Columbia Thermostat FundSM | First Quarter Report 2024
11
Portfolio of Investments  (continued)
Columbia Thermostat FundSM, March 31, 2024 (Unaudited)
Notes to Portfolio of Investments (continued)
Affiliated issuers
Beginning
of period($)
Purchases($)
Sales($)
Net change in
unrealized
appreciation
(depreciation)($)
End of
period($)
Capital gain
distributions($)
Realized gain
(loss)($)
Dividends —
affiliated
issuers ($)
End of
period shares
Columbia Diversified Fixed Income Allocation ETF
 
113,184,926
7,416,132
(1,945,290
)
(1,653,393
)
117,002,375
—
(39,058
)
861,901
6,580,376
Columbia Emerging Markets Fund, Institutional 3 Class
 
20,222,272
—
(6,803,684
)
(438,835
)
12,979,753
—
482,617
—
1,003,848
Columbia Large Cap Enhanced Core Fund, Institutional 3 Class
 
49,793,350
—
(18,391,828
)
1,353,265
32,754,787
—
2,600,566
—
1,178,230
Columbia Large Cap Index Fund, Institutional 3 Class
 
39,867,291
—
(13,966,404
)
320,707
26,221,594
—
2,613,031
—
473,228
Columbia Quality Income Fund, Institutional 3 Class
 
227,547,307
16,279,153
(4,280,167
)
(5,083,947
)
234,462,346
—
(528,717
)
2,576,758
13,474,848
Columbia Research Enhanced Core ETF
 
19,956,188
—
(6,417,123
)
(392,299
)
13,146,766
—
2,084,736
—
424,363
Columbia Short-Term Cash Fund, 5.543%
 
5,040,866
34,155,164
(35,019,323
)
(246
)
4,176,461
—
209
58,241
4,177,297
Columbia Small Cap Index Fund, Institutional 3 Class
 
19,727,625
—
(6,071,063
)
(496,201
)
13,160,361
—
607,437
—
545,846
Columbia Total Return Bond Fund, Institutional 3 Class
 
284,542,729
19,787,077
(6,075,872
)
(4,773,417
)
293,480,517
—
(400,680
)
3,450,742
9,759,911
Columbia U.S. Treasury Index Fund, Institutional 3 Class
 
397,039,033
26,279,728
(5,606,019
)
(6,513,365
)
411,199,377
—
(168,894
)
3,217,468
41,409,806
Total
1,340,596,771
 
 
(20,473,180
)
1,308,728,805
—
12,244,315
11,474,099
 
 
(b)
Non-income producing investment.
(c)
The rate shown is the seven-day current annualized yield at March 31, 2024.
Investments are valued using policies described in the Notes to Financial Statements in the most recent shareholder report.
12
Columbia Thermostat FundSM | First Quarter Report 2024
Portfolio of Investments
Columbia Acorn European FundSM, March 31, 2024 (Unaudited)
(Percentages represent value of investments compared to net assets)
Investments in securities
 
 
Common Stocks 99.5%
Issuer
Shares
Value ($)
Belgium 1.7%
Melexis NV
11,850
959,622
Finland 0.6%
Metso Outotec OYJ
28,390
337,241
France 4.5%
Edenred SE
24,163
1,290,177
Robertet SA
1,434
1,234,563
Total
2,524,740
Germany 10.5%
Carl Zeiss Meditec AG
4,738
591,424
CTS Eventim AG & Co. KGaA
17,449
1,551,441
Gerresheimer AG
9,043
1,017,990
Hypoport SE(a)
2,963
753,632
Nemetschek SE
16,873
1,670,140
Rational AG
431
371,348
Total
5,955,975
Italy 7.5%
Amplifon SpA
60,995
2,223,432
Carel Industries SpA
91,314
2,005,060
Total
4,228,492
Netherlands 8.0%
BE Semiconductor Industries NV
12,574
1,926,068
IMCD NV
13,294
2,339,878
Pluxee NV(a)
9,667
285,761
Total
4,551,707
Norway 1.7%
AutoStore Holdings Ltd.(a),(b)
334,505
618,724
TOMRA Systems ASA
23,051
360,816
Total
979,540
Spain 2.4%
Fluidra SA
57,227
1,354,275
Sweden 16.7%
AddTech AB, B Shares
99,873
2,272,128
Hexagon AB, Class B
188,213
2,224,853
Hexpol AB
51,007
622,837
Munters Group AB
124,327
2,230,124
Common Stocks (continued)
Issuer
Shares
Value ($)
Sectra AB, Class B(a)
109,879
2,126,101
Total
9,476,043
Switzerland 11.3%
Accelleron Industries AG
20,479
767,081
Belimo Holding AG, Registered Shares
4,227
2,074,554
Comet Holding AG, Registered Shares
877
305,095
Inficon Holding AG
1,044
1,523,536
Kardex Holding AG
5,100
1,431,759
Tecan Group AG, Registered Shares
814
337,264
Total
6,439,289
United Kingdom 31.0%
Auction Technology Group PLC(a)
65,840
513,558
Auto Trader Group PLC
239,529
2,115,260
ConvaTec Group PLC
273,876
989,392
Diploma PLC
52,028
2,443,832
Genus PLC
25,085
557,978
Halma PLC
77,604
2,317,285
Howden Joinery Group PLC
30,515
349,311
Intermediate Capital Group PLC
91,857
2,379,233
Rentokil Initial PLC
184,750
1,098,433
Rightmove PLC
310,086
2,149,289
Safestore Holdings PLC
133,777
1,276,441
Spirax-Sarco Engineering PLC
11,050
1,401,980
Total
17,591,992
United States 3.6%
Inter Parfums, Inc.
14,552
2,044,702
Total Common Stocks
(Cost $33,581,452)
56,443,618
 
Money Market Funds 0.1%
 
Shares
Value ($)
Columbia Short-Term Cash Fund, 5.543%(c),(d)
73,997
73,983
Total Money Market Funds
(Cost $73,975)
73,983
Total Investments in Securities
(Cost $33,655,427)
56,517,601
Other Assets & Liabilities, Net
 
236,399
Net Assets
$56,754,000
Columbia Acorn European FundSM | First Quarter Report 2024
13
Portfolio of Investments  (continued)
Columbia Acorn European FundSM, March 31, 2024 (Unaudited)
Notes to Portfolio of Investments 
(a)
Non-income producing investment.
(b)
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 March 31, 2024, the total value of these securities amounted to $618,724, which represents 1.09% of total net assets.
(c)
The rate shown is the seven-day current annualized yield at March 31, 2024.
(d)
As defined in the Investment Company Act of 1940, as amended, 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 value of the holdings and transactions in these affiliated companies during the period ended March 31, 2024 are as follows:
 
Affiliated issuers
Beginning
of period($)
Purchases($)
Sales($)
Net change in
unrealized
appreciation
(depreciation)($)
End of
period($)
Realized gain
(loss)($)
Dividends($)
End of
period shares
Columbia Short-Term Cash Fund, 5.543%
 
548,979
6,482,965
(6,957,914
)
(47
)
73,983
208
7,668
73,997
Investments are valued using policies described in the Notes to Financial Statements in the most recent shareholder report.
14
Columbia Acorn European FundSM | First Quarter Report 2024
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1QT110_12_P01_(05/24)