# EDGAR Filing Document

**Accession Number:** 0000002110
**File Stem:** 0001410368-26-018869
**Filing Date:** 2026-2
**Character Count:** 24296
**Document Hash:** 7ec0109b045d6a36e6f399531b1300be
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-26-018869.hdr.sgml**: 20260226

**ACCESSION NUMBER**: 0001410368-26-018869

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260226

**DATE AS OF CHANGE**: 20260226

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** COLUMBIA ACORN TRUST
- **CENTRAL INDEX KEY:** 0000002110

**ORGANIZATION NAME:**
- **EIN:** 362692100
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-01829
- **FILM NUMBER:** 26684847

**BUSINESS ADDRESS:**
- **STREET 1:** 71 S. WACKER DRIVE, SUITE 2500
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606
- **BUSINESS PHONE:** 3126349200

**MAIL ADDRESS:**
- **STREET 1:** 71 S. WACKER DRIVE, SUITE 2500
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LIBERTY ACORN TRUST
- **DATE OF NAME CHANGE:** 20010424

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ACORN INVESTMENT TRUST
- **DATE OF NAME CHANGE:** 19940204

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ACORN FUND INC
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Columbia Acorn International Select (Series ID: S000009188)

| Class ID   | Class Name                                                | Ticker Symbol   |
|:---|:---|:---|
| C000024970 | Columbia Acorn International Select Class A               | LAFAX           |
| C000024973 | Columbia Acorn International Select Institutional Class   | ACFFX           |
| C000122746 | Columbia Acorn International Select Institutional 2 Class | CRIRX           |
| C000122747 | Columbia Acorn International Select Institutional 3 Class | CSIRX           |
| C000251061 | Columbia Acorn International Select Class S               | ACFEX           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** COLUMBIA ACORN TRUST

- **b. Investment Company Act file number:** 811-01829

- **c. CIK number of Registrant:** 0000002110

- **d. LEI of Registrant:** 549300DX0CWIN8VE1908

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 290 Congress Street

  - **City:** Boston

  - **State:** MA

  - **Foreign country:** US

  - **Zip / Postal Code:** 02210

  - **Telephone number:** 800-345-6611

**Item A.2. Information about the Series.**

- **a. Name of Series:** Columbia Acorn International Select

- **b. EDGAR series identifier (if any):** S000009188

- **c. LEI of Series:** 549300KTP8INZROJV026

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2025-12-31

- **b. Date as of which information is reported:** 2025-12-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $201449564.28

**Total Liabilities:** $1559209.73

**Net Assets:** $199890354.55

**Cash Not Reported:** $156.25

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000024970 | 0.65%                | -1.16%               | 2.20%                |
| Class ID C000024973 | 0.71%                | -1.17%               | 2.22%                |
| Class ID C000122746 | 0.73%                | -1.16%               | 2.22%                |
| Class ID C000122747 | 0.70%                | -1.12%               | 2.21%                |
| Class ID C000251061 | 0.71%                | -1.17%               | 2.22%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $118856.07               | $842967.76                                 |
| Month 2  | $588021.28               | $-2917453.89                               |
| Month 3  | $2376205.10              | $3263076.50                                |

### Schedule of Portfolio Investments

| Name                                | Title                               | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| adidas AG                           | adidas AG                           | CUSIP: 000000000<br>LEI: 549300JSX0Z4CW0V5023 | Long             | EC               | CORP              | DE        |     22562 | NS      | $4464703.96   | 2.23%             |  |  |  | No            |                  2 | On Loan: No      |
| Ashtead Group PLC                   | Ashtead Group PLC                   | CUSIP: 000000000<br>LEI: 2138007UTBN8X9K1A235 | Long             | EC               | CORP              | GB        |     65379 | NS      | $4457488.03   | 2.23%             |  |  |  | No            |                  2 | On Loan: No      |
| BT Group PLC                        | BT Group PLC                        | CUSIP: 000000000<br>LEI: 213800LRO7NS5CYQMN21 | Long             | EC               | CORP              | GB        |   1857140 | NS      | $4600956.24   | 2.30%             |  |  |  | No            |                  2 | On Loan: No      |
| Babcock International Group PLC     | Babcock International Group PLC     | CUSIP: 000000000<br>LEI: 213800TSKOLX4EU6L377 | Long             | EC               | CORP              | GB        |    161224 | NS      | $2686767.27   | 1.34%             |  |  |  | No            |                  2 | On Loan: No      |
| ASML Holding NV                     | ASML Holding NV                     | CUSIP: 000000000<br>LEI: 724500Y6DUVHQD6OXN27 | Long             | EC               | CORP              | NL        |      6671 | NS      | $7188137.04   | 3.60%             |  |  |  | No            |                  2 | On Loan: No      |
| CSL Ltd                             | CSL Ltd                             | CUSIP: 000000000<br>LEI: 529900ECSECK5ZDQTE14 | Long             | EC               | CORP              | AU        |     19170 | NS      | $2206112.17   | 1.10%             |  |  |  | No            |                  2 | On Loan: No      |
| Cie de Saint-Gobain SA              | Cie de Saint-Gobain SA              | CUSIP: 000000000<br>LEI: NFONVGN05Z0FMN5PEC35 | Long             | EC               | CORP              | FR        |     40600 | NS      | $4128691.37   | 2.07%             |  |  |  | No            |                  2 | On Loan: No      |
| CRH PLC                             | CRH PLC                             | CUSIP: 000000000<br>LEI: 549300MIDJNNTH068E74 | Long             | EC               | CORP              | IE        |     36450 | NS      | $4529331.58   | 2.27%             |  |  |  | No            |                  2 | On Loan: No      |
| Capcom Co Ltd                       | Capcom Co Ltd                       | CUSIP: 000000000<br>LEI: 529900JJWQKXS3TC8744 | Long             | EC               | CORP              | JP        |    212900 | NS      | $4945463.11   | 2.47%             |  |  |  | No            |                  2 | On Loan: No      |
| COLUMBIA SHORT TERM CASH FUND       | COLUMBIA SHORT TERM CASH FUND       | CUSIP: 19766H239<br>LEI: N/A                  | Long             | STIV             | RF                | US        |   2433514 | NS      | $2432783.89   | 1.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Daikin Industries Ltd               | Daikin Industries Ltd               | CUSIP: 000000000<br>LEI: 549300Y7FWSTSHMW5Y57 | Long             | EC               | CORP              | JP        |     20000 | NS      | $2557836.40   | 1.28%             |  |  |  | No            |                  2 | On Loan: No      |
| Deutsche Telekom AG                 | Deutsche Telekom AG                 | CUSIP: 000000000<br>LEI: 549300V9QSIG4WX4GJ96 | Long             | EC               | CORP              | DE        |    123264 | NS      | $4012373.40   | 2.01%             |  |  |  | No            |                  2 | On Loan: No      |
| Disco Corp                          | Disco Corp                          | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | JP        |     12700 | NS      | $3869210.86   | 1.94%             |  |  |  | No            |                  2 | On Loan: No      |
| EssilorLuxottica SA                 | EssilorLuxottica SA                 | CUSIP: 000000000<br>LEI: 549300M3VH1A3ER1TB49 | Long             | EC               | CORP              | FR        |     11484 | NS      | $3631217.10   | 1.82%             |  |  |  | No            |                  2 | On Loan: No      |
| Airbus SE                           | Airbus SE                           | CUSIP: 000000000<br>LEI: MINO79WLOO247M1IL051 | Long             | EC               | CORP              | NL        |     26349 | NS      | $6118869.83   | 3.06%             |  |  |  | No            |                  2 | On Loan: No      |
| Fisher & Paykel Healthcare Corp Ltd | Fisher & Paykel Healthcare Corp Ltd | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | NZ        |     89689 | NS      | $1948667.17   | 0.97%             |  |  |  | No            |                  2 | On Loan: No      |
| Gunma Bank Ltd/The                  | Gunma Bank Ltd/The                  | CUSIP: 000000000<br>LEI: 54930054A69VC4I5BP89 | Long             | EC               | CORP              | JP        |    273500 | NS      | $3021807.15   | 1.51%             |  |  |  | No            |                  2 | On Loan: No      |
| Halma PLC                           | Halma PLC                           | CUSIP: 000000000<br>LEI: 2138007FRGLUR9KGBT40 | Long             | EC               | CORP              | GB        |     44904 | NS      | $2131362.58   | 1.07%             |  |  |  | No            |                  2 | On Loan: No      |
| 3i Group PLC                        | 3i Group PLC                        | CUSIP: 000000000<br>LEI: 35GDVHRBMFE7NWATNM84 | Long             | EC               | CORP              | GB        |    132612 | NS      | $5814882.08   | 2.91%             |  |  |  | No            |                  2 | On Loan: No      |
| Ibiden Co Ltd                       | Ibiden Co Ltd                       | CUSIP: 000000000<br>LEI: 52990051DBFIQEY37C91 | Long             | EC               | CORP              | JP        |     41200 | NS      | $1779506.44   | 0.89%             |  |  |  | No            |                  2 | On Loan: No      |
| Industria de Diseno Textil SA       | Industria de Diseno Textil SA       | CUSIP: 000000000<br>LEI: 549300TTCXZOGZM2EY83 | Long             | EC               | CORP              | ES        |     83602 | NS      | $5514779.36   | 2.76%             |  |  |  | No            |                  2 | On Loan: No      |
| Konecranes Oyj                      | Konecranes Oyj                      | CUSIP: 000000000<br>LEI: 549300EF0CDEQZBMA096 | Long             | EC               | CORP              | FI        |     17648 | NS      | $1932553.13   | 0.97%             |  |  |  | No            |                  2 | On Loan: No      |
| LVMH Moet Hennessy Louis Vuitton SE | LVMH Moet Hennessy Louis Vuitton SE | CUSIP: 000000000<br>LEI: IOG4E947OATN0KJYSD45 | Long             | EC               | CORP              | FR        |      8139 | NS      | $6134655.31   | 3.07%             |  |  |  | No            |                  2 | On Loan: No      |
| Interroll Holding AG                | Interroll Holding AG                | CUSIP: 000000000<br>LEI: 529900MU4QAEI94TB543 | Long             | EC               | CORP              | CH        |       323 | NS      | $893710.62    | 0.45%             |  |  |  | No            |                  2 | On Loan: No      |
| Legrand SA                          | Legrand SA                          | CUSIP: 000000000<br>LEI: 969500XXRPGD7HCAFA90 | Long             | EC               | CORP              | FR        |     13158 | NS      | $1956104.75   | 0.98%             |  |  |  | No            |                  2 | On Loan: No      |
| London Stock Exchange Group PLC     | London Stock Exchange Group PLC     | CUSIP: 000000000<br>LEI: 213800QAUUUP6I445N30 | Long             | EC               | CORP              | GB        |     29163 | NS      | $3507973.83   | 1.75%             |  |  |  | No            |                  2 | On Loan: No      |
| Lonza Group AG                      | Lonza Group AG                      | CUSIP: 000000000<br>LEI: 549300EFW4H2TCZ71055 | Long             | EC               | CORP              | CH        |      5084 | NS      | $3427734.07   | 1.71%             |  |  |  | No            |                  2 | On Loan: No      |
| Nemetschek SE                       | Nemetschek SE                       | CUSIP: 000000000<br>LEI: 529900R0S2IX1S358J38 | Long             | EC               | CORP              | DE        |     25067 | NS      | $2712005.18   | 1.36%             |  |  |  | No            |                  2 | On Loan: No      |
| MatsukiyoCocokara & Co              | MatsukiyoCocokara & Co              | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | JP        |    129100 | NS      | $2235183.86   | 1.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Niterra Co Ltd                      | Niterra Co Ltd                      | CUSIP: 000000000<br>LEI: 549300RG3XQGTFM4HH31 | Long             | EC               | CORP              | JP        |     98300 | NS      | $4330928.91   | 2.17%             |  |  |  | No            |                  2 | On Loan: No      |
| Nestle SA                           | Nestle SA                           | CUSIP: 000000000<br>LEI: KY37LUS27QQX7BB93L28 | Long             | EC               | CORP              | CH        |     36109 | NS      | $3584147.61   | 1.79%             |  |  |  | No            |                  2 | On Loan: No      |
| Nomura Real Estate Holdings Inc     | Nomura Real Estate Holdings Inc     | CUSIP: 000000000<br>LEI: 353800UZ91CT24OL9P59 | Long             | EC               | CORP              | JP        |    322000 | NS      | $1987820.64   | 0.99%             |  |  |  | No            |                  2 | On Loan: No      |
| Omron Corp                          | Omron Corp                          | CUSIP: 000000000<br>LEI: 549300ZHW0TR2QZ0NY83 | Long             | EC               | CORP              | JP        |     98800 | NS      | $2499628.87   | 1.25%             |  |  |  | No            |                  2 | On Loan: No      |
| ORIX Corp                           | ORIX Corp                           | CUSIP: 000000000<br>LEI: 35380016EMHNBOVYE123 | Long             | EC               | CORP              | JP        |     69500 | NS      | $2032686.16   | 1.02%             |  |  |  | No            |                  2 | On Loan: No      |
| Prysmian SpA                        | Prysmian SpA                        | CUSIP: 000000000<br>LEI: 529900X0H1IO3RS1A464 | Long             | EC               | CORP              | IT        |     36742 | NS      | $3665284.69   | 1.83%             |  |  |  | No            |                  2 | On Loan: No      |
| Publicis Groupe SA                  | Publicis Groupe SA                  | CUSIP: 000000000<br>LEI: 2138004KW8BV57III342 | Long             | EC               | CORP              | FR        |     44604 | NS      | $4632023.69   | 2.32%             |  |  |  | No            |                  2 | On Loan: No      |
| Reckitt Benckiser Group PLC         | Reckitt Benckiser Group PLC         | CUSIP: 000000000<br>LEI: 5493003JFSMOJG48V108 | Long             | EC               | CORP              | GB        |     44362 | NS      | $3589744.08   | 1.80%             |  |  |  | No            |                  2 | On Loan: No      |
| Rio Tinto PLC                       | Rio Tinto PLC                       | CUSIP: 000000000<br>LEI: 213800YOEO5OQ72G2R82 | Long             | EC               | CORP              | GB        |     23486 | NS      | $1891821.82   | 0.95%             |  |  |  | No            |                  2 | On Loan: No      |
| SAP SE                              | SAP SE                              | CUSIP: 000000000<br>LEI: 529900D6BF99LW9R2E68 | Long             | EC               | CORP              | DE        |     12455 | NS      | $3026173.06   | 1.51%             |  |  |  | No            |                  2 | On Loan: No      |
| Schneider Electric SE               | Schneider Electric SE               | CUSIP: 000000000<br>LEI: 969500A1YF1XUYYXS284 | Long             | EC               | CORP              | FR        |     29845 | NS      | $8164853.71   | 4.08%             |  |  |  | No            |                  2 | On Loan: No      |
| Sekisui Chemical Co Ltd             | Sekisui Chemical Co Ltd             | CUSIP: 000000000<br>LEI: 529900KQIVT7NWFNMI70 | Long             | EC               | CORP              | JP        |     88200 | NS      | $1483282.63   | 0.74%             |  |  |  | No            |                  2 | On Loan: No      |
| Shimadzu Corp                       | Shimadzu Corp                       | CUSIP: 000000000<br>LEI: 353800Y64Z08WEH8PH97 | Long             | EC               | CORP              | JP        |     54900 | NS      | $1461526.24   | 0.73%             |  |  |  | No            |                  2 | On Loan: No      |
| Standard Chartered PLC              | Standard Chartered PLC              | CUSIP: 000000000<br>LEI: U4LOSYZ7YG4W3S5F2G91 | Long             | EC               | CORP              | GB        |    210961 | NS      | $5147541.50   | 2.58%             |  |  |  | No            |                  2 | On Loan: No      |
| Taisei Corp                         | Taisei Corp                         | CUSIP: 000000000<br>LEI: 529900TF7XJKIOWMLQ79 | Long             | EC               | CORP              | JP        |     65200 | NS      | $6179064.10   | 3.09%             |  |  |  | No            |                  2 | On Loan: No      |
| Tokyo Electron Ltd                  | Tokyo Electron Ltd                  | CUSIP: 000000000<br>LEI: 549300H5LSF8DP3RIJ34 | Long             | EC               | CORP              | JP        |     18400 | NS      | $4098183.77   | 2.05%             |  |  |  | No            |                  2 | On Loan: No      |
| Yaskawa Electric Corp               | Yaskawa Electric Corp               | CUSIP: 000000000<br>LEI: 3538003K39GR98R0CK58 | Long             | EC               | CORP              | JP        |     80700 | NS      | $2453391.76   | 1.23%             |  |  |  | No            |                  2 | On Loan: No      |
| TotalEnergies SE                    | TotalEnergies SE                    | CUSIP: 000000000<br>LEI: 529900S21EQ1BO4ESM68 | Long             | EC               | CORP              | FR        |     21939 | NS      | $1430379.14   | 0.72%             |  |  |  | No            |                  2 | On Loan: No      |
| Suntory Beverage & Food Ltd         | Suntory Beverage & Food Ltd         | CUSIP: 000000000<br>LEI: 549300FONLMVK7YYYH41 | Long             | EC               | CORP              | JP        |     98100 | NS      | $2950216.32   | 1.48%             |  |  |  | No            |                  2 | On Loan: No      |
| Bank of Ireland Group PLC           | Bank of Ireland Group PLC           | CUSIP: 000000000<br>LEI: 635400C8EK6DRI12LJ39 | Long             | EC               | CORP              | IE        |    268505 | NS      | $5135240.56   | 2.57%             |  |  |  | No            |                  2 | On Loan: No      |
| ConvaTec Group PLC                  | ConvaTec Group PLC                  | CUSIP: 000000000<br>LEI: 213800LS272L4FIDOH92 | Long             | EC               | CORP              | GB        |    665130 | NS      | $2171592.36   | 1.09%             |  |  |  | No            |                  2 | On Loan: No      |
| Rightmove PLC                       | Rightmove PLC                       | CUSIP: 000000000<br>LEI: 2138001JXGCFKBXYB828 | Long             | EC               | CORP              | GB        |    235662 | NS      | $1646500.92   | 0.82%             |  |  |  | No            |                  2 | On Loan: No      |
| RENK Group AG                       | RENK Group AG                       | CUSIP: 000000000<br>LEI: 894500H8CNSZ53EI6K63 | Long             | EC               | CORP              | DE        |     15769 | NS      | $982745.38    | 0.49%             |  |  |  | No            |                  2 | On Loan: No      |
| Kokusai Electric Corp               | Kokusai Electric Corp               | CUSIP: 000000000<br>LEI: 549300CDY6N3WKYK2I96 | Long             | EC               | CORP              | JP        |    100600 | NS      | $3518198.23   | 1.76%             |  |  |  | No            |                  2 | On Loan: No      |
| Belimo Holding AG                   | Belimo Holding AG                   | CUSIP: 000000000<br>LEI: 506700339DLX749VEM23 | Long             | EC               | CORP              | CH        |      1722 | NS      | $1682503.41   | 0.84%             |  |  |  | No            |                  2 | On Loan: No      |
| Novo Nordisk A/S                    | Novo Nordisk A/S                    | CUSIP: 000000000<br>LEI: 549300DAQ1CVT6CXN342 | Long             | EC               | CORP              | DK        |     59175 | NS      | $3001265.99   | 1.50%             |  |  |  | No            |                  2 | On Loan: No      |
| Recruit Holdings Co Ltd             | Recruit Holdings Co Ltd             | CUSIP: 000000000<br>LEI: 353800R2LRSMVVC4I806 | Long             | EC               | CORP              | JP        |     59500 | NS      | $3343399.10   | 1.67%             |  |  |  | No            |                  2 | On Loan: No      |
| Auto Trader Group PLC               | Auto Trader Group PLC               | CUSIP: 000000000<br>LEI: 213800QLK9BZILB1DI86 | Long             | EC               | CORP              | GB        |    177233 | NS      | $1398255.17   | 0.70%             |  |  |  | No            |                  2 | On Loan: No      |
| Shopify Inc                         | Shopify Inc                         | CUSIP: 82509L107<br>LEI: 549300HGQ43STJLLP808 | Long             | EC               | CORP              | CA        |      6966 | NS      | $1121624.71   | 0.56%             |  |  |  | No            |                  1 | On Loan: No      |
| BayCurrent Inc                      | BayCurrent Inc                      | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | JP        |     26300 | NS      | $1090495.22   | 0.55%             |  |  |  | No            |                  2 | On Loan: No      |
| ICG PLC                             | ICG PLC                             | CUSIP: 000000000<br>LEI: 549300OGASR5WRKJ8R68 | Long             | EC               | CORP              | GB        |    150106 | NS      | $4139353.19   | 2.07%             |  |  |  | No            |                  2 | On Loan: No      |
| VAT Group AG                        | VAT Group AG                        | CUSIP: 000000000<br>LEI: 529900MVFK7NVALR7Y83 | Long             | EC               | CORP              | CH        |      3930 | NS      | $1886792.77   | 0.94%             |  |  |  | No            |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2026-02-02

**Name of Applicant:** COLUMBIA ACORN TRUST

**Signature:** Jennifer Borges

**Name of Signer:** Jennifer Borges

**Title:** Senior Manager