# EDGAR Filing Document

**Accession Number:** 0000002110
**File Stem:** 0001145549-23-009085
**Filing Date:** 2023-2
**Character Count:** 21129
**Document Hash:** c7fa4d91a28851d916184a244486f0cf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001145549-23-009085.hdr.sgml**: 20230224

**ACCESSION NUMBER**: 0001145549-23-009085

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230224

**DATE AS OF CHANGE**: 20230224

**PERIOD START**: 20221231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** COLUMBIA ACORN TRUST
- **CENTRAL INDEX KEY:** 0000002110
- **IRS NUMBER:** 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:** 23663058

**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 European Fund (Series ID: S000033621)

| Class ID   | Class Name                                         | Ticker Symbol   |
|:---|:---|:---|
| C000103324 | Columbia Acorn European Fund Class A               | CAEAX           |
| C000103325 | Columbia Acorn European Fund Class C               | CAECX           |
| C000103327 | Columbia Acorn European Fund Institutional Class   | CAEZX           |
| C000122752 | Columbia Acorn European Fund Institutional 2 Class | CAEEX           |
| C000144049 | Columbia Acorn European Fund Advisor Class         | CLOFX           |
| C000171393 | Columbia Acorn European Fund Institutional 3 Class | CAEYX           |

## 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:** 71 S Wacker Dr.

  - **City:** Chicago

  - **State:** IL

  - **Foreign country:** US

  - **Zip / Postal Code:** 60606

  - **Telephone number:** 312-634-9200

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

- **a. Name of Series:** Columbia Acorn European Fund

- **b. EDGAR series identifier (if any):** S000033621

- **c. LEI of Series:** 5493000YCDHFU2BTMI80

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

- **a. Date of fiscal year-end:** 2022-12-31

- **b. Date as of which information is reported:** 2022-12-31

**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:** $73796638.20

**Total Liabilities:** $81059.18

**Net Assets:** $73715579.02

**Cash Not Reported:** $630.72

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000103324 | 8.02%                | 13.51%               | -3.06%               |
| Class ID C000103325 | 7.95%                | 13.46%               | -3.12%               |
| Class ID C000103327 | 8.01%                | 13.51%               | -3.03%               |
| Class ID C000122752 | 8.03%                | 13.50%               | -3.00%               |
| Class ID C000144049 | 8.09%                | 13.49%               | -3.07%               |
| Class ID C000171393 | 8.10%                | 13.50%               | -3.04%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-1299062.83             | $6668148.60                                |
| Month 2  | $-1156082.83             | $10591151.94                               |
| Month 3  | $-392213.75              | $-1954647.23                               |

**Designated Index Information**

- **Index Name:** N/A

- **Index Identifier:** N/A

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Abcam PLC                                       | Abcam PLC                                                     | CUSIP: 000380204<br>LEI: 213800B9N83DSNT33F79 | Long             | EC               | CORP              | GB        |    135681 | NS      | $2111196.36   | 2.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Amplifon                                        | Amplifon SpA                                                  | CUSIP: 000000000<br>LEI: ZYXJDNVM2JI3VBM8G556 | Long             | EC               | CORP              | IT        |     52064 | NS      | $1554620.03   | 2.11%             |  |  |  | No            |                  2 | On Loan: No      |
| COLUMBIA SHORT TERM CASH FUND                   | COLUMBIA SHORT TERM CASH FUND                                 | CUSIP: 19766H239<br>LEI: N/A                  | Long             | STIV             | CORP              | US        |   1603361 | NS      | $1602879.92   | 2.17%             |  |  |  | No            |                  1 | On Loan: No      |
| DECHRA PHARMACEUTICALS                          | Dechra Pharmaceuticals PLC                                    | CUSIP: 000000000<br>LEI: 213800J4UVB5OWG8VX82 | Long             | EC               | CORP              | GB        |     70178 | NS      | $2211997.72   | 3.00%             |  |  |  | No            |                  2 | On Loan: No      |
| DIPLOMA PLC                                     | Diploma PLC                                                   | CUSIP: 000000000<br>LEI: 2138008OGI7VYG8FGR19 | Long             | EC               | CORP              | GB        |     68414 | NS      | $2299918.97   | 3.12%             |  |  |  | No            |                  2 | On Loan: No      |
| HALMA PLC                                       | Halma PLC                                                     | CUSIP: 000000000<br>LEI: 2138007FRGLUR9KGBT40 | Long             | EC               | CORP              | GB        |     67155 | NS      | $1599293.06   | 2.17%             |  |  |  | No            |                  2 | On Loan: No      |
| BE Semiconductor Industries NV                  | BE Semiconductor Industries NV                                | CUSIP: 000000000<br>LEI: 7245007A1YFLI2GNYX06 | Long             | EC               | CORP              | NL        |     11953 | NS      | $728427.07    | 0.99%             |  |  |  | No            |                  2 | On Loan: No      |
| INTER PARFUMS INC                               | Inter Parfums Inc                                             | CUSIP: 458334109<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     30364 | NS      | $2930733.28   | 3.98%             |  |  |  | No            |                  1 | On Loan: No      |
| KONTRON AG                                      | S&T AG                                                        | CUSIP: 000000000<br>LEI: 5299002PSXXMVHB26433 | Long             | EC               | CORP              | AT        |     27203 | NS      | $443422.99    | 0.60%             |  |  |  | No            |                  2 | On Loan: —       |
| INFICON HLDG AG                                 | Inficon Holding AG                                            | CUSIP: 000000000<br>LEI: 5067008UT6890I0YM937 | Long             | EC               | CORP              | CH        |      1129 | NS      | $988561.73    | 1.34%             |  |  |  | No            |                  2 | On Loan: No      |
| JENOPTIK AG                                     | Jenoptik AG                                                   | CUSIP: 000000000<br>LEI: 529900P34GDHGXK6VB37 | Long             | EC               | CORP              | DE        |     79121 | NS      | $2151956.68   | 2.92%             |  |  |  | No            |                  2 | On Loan: No      |
| ROBERTET SA                                     | Robertet SA                                                   | CUSIP: 000000000<br>LEI: 969500EUEC3HIYQOCS92 | Long             | EC               | CORP              | FR        |      1274 | NS      | $1140959.95   | 1.55%             |  |  |  | No            |                  2 | On Loan: No      |
| Amadeus Fire                                    | Amadeus Fire AG                                               | CUSIP: 000000000<br>LEI: 391200TJJ820ZDHNFJ33 | Long             | EC               | CORP              | DE        |      3127 | NS      | $385932.94    | 0.52%             |  |  |  | No            |                  2 | On Loan: No      |
| NEMETSCHEK SE                                   | Nemetschek SE                                                 | CUSIP: 000000000<br>LEI: 529900R0S2IX1S358J38 | Long             | EC               | CORP              | DE        |     27656 | NS      | $1413950.49   | 1.92%             |  |  |  | No            |                  2 | On Loan: No      |
| ECKERT & ZIEGLER STRAHLEN UND MEDIZINTECHNIK AG | Eckert & Ziegler Strahlen- und Medizintechnik AG              | CUSIP: 000000000<br>LEI: 391200EUDABLUKXCKG48 | Long             | EC               | CORP              | DE        |     24652 | NS      | $1218365.37   | 1.65%             |  |  |  | No            |                  2 | On Loan: No      |
| PARTNERS GROUP HOLDING AG                       | Partners Group Holding AG                                     | CUSIP: 000000000<br>LEI: 549300I3IVVWZWDHI788 | Long             | EC               | CORP              | CH        |       825 | NS      | $730524.14    | 0.99%             |  |  |  | No            |                  2 | On Loan: No      |
| RENTOKIL INITIAL PLC                            | Rentokil Initial PLC                                          | CUSIP: 000000000<br>LEI: 549300VN4WV7Z6T14K68 | Long             | EC               | CORP              | GB        |    345237 | NS      | $2121055.98   | 2.88%             |  |  |  | No            |                  2 | On Loan: No      |
| SAFESTORE HOLDINGS PLC                          | Safestore Holdings PLC                                        | CUSIP: 000000000<br>LEI: 213800WGA3YSJC1YOH73 | Long             | EC               | CORP              | GB        |    127687 | NS      | $1456065.98   | 1.98%             |  |  |  | No            |                  2 | On Loan: No      |
| SPIRAX-SARCO ENGINEERING PLC                    | Spirax-Sarco Engineering PLC                                  | CUSIP: 000000000<br>LEI: 213800WFVZQMHOZP2W17 | Long             | EC               | CORP              | GB        |     19669 | NS      | $2512332.92   | 3.41%             |  |  |  | No            |                  2 | On Loan: No      |
| WASHTEC AG                                      | Washtec AG                                                    | CUSIP: 000000000<br>LEI: 391200HHWCQ0KBSG9U91 | Long             | EC               | CORP              | DE        |     68313 | NS      | $2524613.81   | 3.42%             |  |  |  | No            |                  2 | On Loan: No      |
| KARDEX HOLDING AG                               | Kardex AG                                                     | CUSIP: 000000000<br>LEI: 529900JKKMQ07D6QZ480 | Long             | EC               | CORP              | CH        |      7133 | NS      | $1171104.54   | 1.59%             |  |  |  | No            |                  2 | On Loan: No      |
| HYPOPORT SE                                     | Hypoport AG                                                   | CUSIP: 000000000<br>LEI: 391200GNIFXXP6KRYQ46 | Long             | EC               | CORP              | DE        |      4184 | NS      | $434264.96    | 0.59%             |  |  |  | No            |                  2 | On Loan: No      |
| TCS GROUP HOLDING PLC                           | TCS Group Holding PLC                                         | CUSIP: 000000000<br>LEI: 549300XQRN9MR54V1W18 | Long             | EC               | CORP              | CY        |     17858 | NS      | $0.02         | 0.00%             |  |  |  | Yes           |                  3 | On Loan: No      |
| NETCOMPANY GROUP A/S                            | Netcompany Group A/S                                          | CUSIP: 000000000<br>LEI: 5299006DEGAWX1Z1X779 | Long             | EC               | CORP              | DK        |     32541 | NS      | $1384695.16   | 1.88%             |  |  |  | No            |                  2 | On Loan: No      |
| CAREL SPA                                       | CAREL INDUSTRIES SPA                                          | CUSIP: 000000000<br>LEI: 815600115DA6E507AE33 | Long             | EC               | CORP              | IT        |    118889 | NS      | $2990928.73   | 4.06%             |  |  |  | No            |                  2 | On Loan: No      |
| RIGHTMOVE PLC                                   | RIGHTMOVE PLC                                                 | CUSIP: 000000000<br>LEI: 2138001JXGCFKBXYB828 | Long             | EC               | CORP              | GB        |    391292 | NS      | $2420704.53   | 3.28%             |  |  |  | No            |                  2 | On Loan: No      |
| VALMET OYJ                                      | Valmet Oyj                                                    | CUSIP: 000000000<br>LEI: 213800D9O7FUQDH83V62 | Long             | EC               | CORP              | FI        |     79806 | NS      | $2154338.70   | 2.92%             |  |  |  | No            |                  2 | On Loan: No      |
| NEXI SPA                                        | Nexi SpA                                                      | CUSIP: 000000000<br>LEI: 5493000P70CQRQG8SN85 | Long             | EC               | CORP              | IT        |    185517 | NS      | $1464460.14   | 1.99%             |  |  |  | No            |                  2 | On Loan: No      |
| ADDTECH AB                                      | AddTech AB                                                    | CUSIP: 000000000<br>LEI: 549300QZ5U2IDRHPWL60 | Long             | EC               | CORP              | SE        |    166659 | NS      | $2379254.67   | 3.23%             |  |  |  | No            |                  2 | On Loan: No      |
| SWECO AB                                        | Sweco AB                                                      | CUSIP: 000000000<br>LEI: 549300Q4Y55VICYV6U90 | Long             | EC               | CORP              | SE        |    109471 | NS      | $1049764.12   | 1.42%             |  |  |  | No            |                  2 | On Loan: No      |
| GVS SPA                                         | GVS SpA                                                       | CUSIP: 000000000<br>LEI: 81560013EACB40B52D17 | Long             | EC               | CORP              | IT        |     70625 | NS      | $306867.16    | 0.42%             |  |  |  | No            |                  2 | On Loan: No      |
| IMCD NV                                         | IMCD NV                                                       | CUSIP: 000000000<br>LEI: 724500NSJPNFJPDAUP02 | Long             | EC               | CORP              | NL        |     21373 | NS      | $3057227.57   | 4.15%             |  |  |  | No            |                  2 | On Loan: No      |
| ARGENX SE                                       | Argenx SE                                                     | CUSIP: 000000000<br>LEI: 7245009C5FZE6G9ODQ71 | Long             | EC               | CORP              | NL        |      2063 | NS      | $774462.71    | 1.05%             |  |  |  | No            |                  2 | On Loan: No      |
| ALK ABELLO A/S                                  | ALK-Abello A/S                                                | CUSIP: 000000000<br>LEI: 529900SGCREUZCZ7P020 | Long             | EC               | CORP              | DK        |    132891 | NS      | $1853704.70   | 2.51%             |  |  |  | No            |                  2 | On Loan: No      |
| INTERCOS SPA                                    | Intercos SpA                                                  | CUSIP: 000000000<br>LEI: 8156004C3711C92F7648 | Long             | EC               | CORP              | IT        |     87103 | NS      | $1184140.46   | 1.61%             |  |  |  | No            |                  2 | On Loan: No      |
| HEXAGON AB                                      | Hexagon AB                                                    | CUSIP: 000000000<br>LEI: 549300WJFW6ILNI4TA80 | Long             | EC               | CORP              | SE        |    275693 | NS      | $2890666.49   | 3.92%             |  |  |  | No            |                  2 | On Loan: No      |
| BELIMO HOLDING AG                               | Belimo Holding AG                                             | CUSIP: 000000000<br>LEI: 506700339DLX749VEM23 | Long             | EC               | CORP              | CH        |      5693 | NS      | $2716004.86   | 3.68%             |  |  |  | No            |                  2 | On Loan: No      |
| SECTRA AB                                       | Sectra AB                                                     | CUSIP: 000000000<br>LEI: 549300R9ZBT8YSFFK266 | Long             | EC               | CORP              | SE        |    188869 | NS      | $2700659.39   | 3.66%             |  |  |  | No            |                  2 | On Loan: No      |
| AUTO TRADER GROUP PLC                           | Auto Trader Group PLC                                         | CUSIP: 000000000<br>LEI: 213800QLK9BZILB1DI86 | Long             | EC               | CORP              | GB        |    306702 | NS      | $1909942.13   | 2.59%             |  |  |  | No            |                  2 | On Loan: No      |
| DOMETIC GROUP AB (PUBL)                         | Dometic Group AB                                              | CUSIP: 000000000<br>LEI: 549300STIPMK5VSA7Y59 | Long             | EC               | CORP              | SE        |    134840 | NS      | $872336.85    | 1.18%             |  |  |  | No            |                  2 | On Loan: No      |
| INTERMEDIATE CAPITAL GROUP                      | Intermediate Capital Group PLC                                | CUSIP: 000000000<br>LEI: 549300OGASR5WRKJ8R68 | Long             | EC               | CORP              | GB        |    170717 | NS      | $2357120.73   | 3.20%             |  |  |  | No            |                  2 | On Loan: No      |
| MUNTERS GROUP AB                                | Munters Group AB                                              | CUSIP: 000000000<br>LEI: 549300KYCB37YAVUV523 | Long             | EC               | CORP              | SE        |    306979 | NS      | $3026425.47   | 4.11%             |  |  |  | No            |                  2 | On Loan: No      |
| Genus                                           | Genus PLC                                                     | CUSIP: 000000000<br>LEI: 54930022EOITNKSIGH56 | Long             | EC               | CORP              | GB        |     40518 | NS      | $1454541.34   | 1.97%             |  |  |  | No            |                  2 | On Loan: No      |
| BEFESA SA                                       | Befesa SA                                                     | CUSIP: 000000000<br>LEI: 222100VXGA8L6J4ZWG61 | Long             | EC               | CORP              | LU        |     17398 | NS      | $839264.07    | 1.14%             |  |  |  | No            |                  2 | On Loan: No      |
| DREYFUS GOVERNMENT CASH MANAGE                  | Dreyfus Government Cash Management Fund, Institutional Shares | CUSIP: 262006208<br>LEI: N/A                  | Long             | STIV             | CORP              | US        |    365056 | NS      | $365056.45    | 0.50%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2023-01-20

**Name of Applicant:** Columbia Acorn Trust

**Signature:** Martha Skinner

**Name of Signer:** Martha Skinner

**Title:** Assistant Treasurer