# EDGAR Filing Document

**Accession Number:** 0000773757
**File Stem:** 0001410368-26-008119
**Filing Date:** 2026-1
**Character Count:** 44041
**Document Hash:** f5cf9fbc402780f7f2a13a6bcba271cf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-26-008119.hdr.sgml**: 20260128

**ACCESSION NUMBER**: 0001410368-26-008119

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20251130

**FILED AS OF DATE**: 20260128

**DATE AS OF CHANGE**: 20260128

**PERIOD START**: 20260831

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** COLUMBIA FUNDS SERIES TRUST I
- **CENTRAL INDEX KEY:** 0000773757

**ORGANIZATION NAME:**
- **EIN:** 363376651
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-04367
- **FILM NUMBER:** 26569517

**BUSINESS ADDRESS:**
- **STREET 1:** 290 CONGRESS STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210
- **BUSINESS PHONE:** 800-345-6611

**MAIL ADDRESS:**
- **STREET 1:** 290 CONGRESS STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** COLUMBIA FUNDS TRUST IX
- **DATE OF NAME CHANGE:** 20031107

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LIBERTY STEIN ROE FUNDS MUNICIPAL TRUST
- **DATE OF NAME CHANGE:** 19991025

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** STEINROE MUNICIPAL TRUST
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Columbia Select Mid Cap Growth Fund (Series ID: S000012070)

| Class ID   | Class Name                                                | Ticker Symbol   |
|:---|:---|:---|
| C000032847 | Columbia Select Mid Cap Growth Fund Class A               | CBSAX           |
| C000032849 | Columbia Select Mid Cap Growth Fund Class C               | CMCCX           |
| C000032854 | Columbia Select Mid Cap Growth Fund Institutional Class   | CLSPX           |
| C000078986 | Columbia Select Mid Cap Growth Fund Institutional 3 Class | CMGYX           |
| C000094669 | Columbia Select Mid Cap Growth Fund Institutional 2 Class | CMGVX           |
| C000253714 | Columbia Select Mid Cap Growth Fund Class S               | CLSDX           |

## Nport-Ex

![](img5b6190dc1.jpg)

Columbia Select Mid Cap Growth Fund

**First Quarter Report**

November 30, 2025 (Unaudited)

---

| | | |
|:---|:---|:---|
| **Not FDIC or NCUA Insured** | **No Financial Institution Guarantee** | **May Lose Value** |

---

------

Portfolio of Investments

Columbia Select Mid Cap Growth Fund, November 30, 2025 (Unaudited)

(Percentages represent value of investments compared to net assets)

**Investments in securities**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

---

| | | |
|:---|:---|:---|
| **Common Stocks 100.2%** | **Common Stocks 100.2%** | **Common Stocks 100.2%** |
| **Issuer** | **Shares** | **Value ($)** |
| **Communication Services 13.7%** | **Communication Services 13.7%** | **Communication Services 13.7%** |
| **Entertainment 12.6%** | **Entertainment 12.6%** | **Entertainment 12.6%** |
| &nbsp;&nbsp; Liberty Media Corp.-Liberty Formula One, <br> Class C<sup>(a)</sup> <br>| &nbsp;&nbsp; 100273 | &nbsp;&nbsp; 9624202 |
| Live Nation Entertainment, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 173766 | &nbsp;&nbsp; 22841541 |
| Roblox Corp., Class A<sup>(a)</sup> <br>| &nbsp;&nbsp; 490680 | &nbsp;&nbsp; 46629320 |
| Roku, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 296664 | &nbsp;&nbsp; 28714108 |
| Spotify Technology SA<sup>(a)</sup> <br>| &nbsp;&nbsp; 85372 | &nbsp;&nbsp; 51126730 |
| Take-Two Interactive Software, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 214445 | &nbsp;&nbsp; 52768481 |
| TKO Group Holdings, Inc. | &nbsp;&nbsp; 105012 | &nbsp;&nbsp; 20360777 |
| Total |  | &nbsp;&nbsp; 232065159 |
| **Interactive Media & Services 1.1%** | **Interactive Media & Services 1.1%** | **Interactive Media & Services 1.1%** |
| Reddit, Inc., Class A<sup>(a)</sup> <br>| &nbsp;&nbsp; 89823 | &nbsp;&nbsp; 19443985 |
| **Total Communication Services** | **Total Communication Services** | &nbsp;&nbsp; **251509144** |
| **Consumer Discretionary 19.9%** | **Consumer Discretionary 19.9%** | **Consumer Discretionary 19.9%** |
| **Hotels, Restaurants & Leisure 10.2%** | **Hotels, Restaurants & Leisure 10.2%** | **Hotels, Restaurants & Leisure 10.2%** |
| DoorDash, Inc., Class A<sup>(a)</sup> <br>| &nbsp;&nbsp; 161636 | &nbsp;&nbsp; 32063733 |
| DraftKings, Inc., Class A<sup>(a)</sup> <br>| &nbsp;&nbsp; 1054521 | &nbsp;&nbsp; 34967916 |
| Hilton Worldwide Holdings, Inc. | &nbsp;&nbsp; 127466 | &nbsp;&nbsp; 36331634 |
| Norwegian Cruise Line Holdings Ltd.<sup>(a)</sup> <br>| &nbsp;&nbsp; 714658 | &nbsp;&nbsp; 13192587 |
| Royal Caribbean Cruises Ltd. | &nbsp;&nbsp; 99696 | &nbsp;&nbsp; 26544060 |
| Viking Holdings Ltd.<sup>(a)</sup> <br>| &nbsp;&nbsp; 389217 | &nbsp;&nbsp; 25991911 |
| Wynn Resorts Ltd. | &nbsp;&nbsp; 140041 | &nbsp;&nbsp; 18020476 |
| Total |  | &nbsp;&nbsp; 187112317 |
| **Household Durables 2.4%** | **Household Durables 2.4%** | **Household Durables 2.4%** |
| SharkNinja, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 456835 | &nbsp;&nbsp; 44573391 |
| **Specialty Retail 5.7%** | **Specialty Retail 5.7%** | **Specialty Retail 5.7%** |
| Chewy, Inc., Class A<sup>(a)</sup> <br>| &nbsp;&nbsp; 393651 | &nbsp;&nbsp; 13687245 |
| Gap, Inc. (The) | &nbsp;&nbsp; 788808 | &nbsp;&nbsp; 21353033 |
| Ross Stores, Inc. | &nbsp;&nbsp; 60138 | &nbsp;&nbsp; 10605938 |
| Tractor Supply Co. | &nbsp;&nbsp; 461706 | &nbsp;&nbsp; 25292255 |
| Wayfair, Inc., Class A<sup>(a)</sup> <br>| &nbsp;&nbsp; 304623 | &nbsp;&nbsp; 33752228 |
| Total |  | &nbsp;&nbsp; 104690699 |
| **Textiles, Apparel & Luxury Goods 1.6%** | **Textiles, Apparel & Luxury Goods 1.6%** | **Textiles, Apparel & Luxury Goods 1.6%** |
| Tapestry, Inc. | &nbsp;&nbsp; 267694 | &nbsp;&nbsp; 29253600 |
| **Total Consumer Discretionary** | **Total Consumer Discretionary** | &nbsp;&nbsp; **365630007** |

---

---

| | | |
|:---|:---|:---|
| **Common Stocks (continued)** | **Common Stocks (continued)** | **Common Stocks (continued)** |
| **Issuer** | **Shares** | **Value ($)** |
| **Consumer Staples 5.1%** | **Consumer Staples 5.1%** | **Consumer Staples 5.1%** |
| **Beverages 2.2%** | **Beverages 2.2%** | **Beverages 2.2%** |
| Celsius Holdings, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 974212 | &nbsp;&nbsp; 39884239 |
| **Consumer Staples Distribution & Retail 2.9%** | **Consumer Staples Distribution & Retail 2.9%** | **Consumer Staples Distribution & Retail 2.9%** |
| Casey's General Stores, Inc. | &nbsp;&nbsp; 62920 | &nbsp;&nbsp; 35893343 |
| Maplebear, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 111841 | &nbsp;&nbsp; 4698440 |
| Sprouts Farmers Market, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 155876 | &nbsp;&nbsp; 13063968 |
| Total |  | &nbsp;&nbsp; 53655751 |
| **Total Consumer Staples** | **Total Consumer Staples** | &nbsp;&nbsp; **93539990** |
| **Financials 4.9%** | **Financials 4.9%** | **Financials 4.9%** |
| **Capital Markets 3.9%** | **Capital Markets 3.9%** | **Capital Markets 3.9%** |
| Coinbase Global, Inc., Class A<sup>(a)</sup> <br>| &nbsp;&nbsp; 55934 | &nbsp;&nbsp; 15259914 |
| LPL Financial Holdings, Inc. | &nbsp;&nbsp; 26543 | &nbsp;&nbsp; 9450370 |
| Robinhood Markets, Inc., Class A<sup>(a)</sup> <br>| &nbsp;&nbsp; 372797 | &nbsp;&nbsp; 47900686 |
| Total |  | &nbsp;&nbsp; 72610970 |
| **Financial Services 1.0%** | **Financial Services 1.0%** | **Financial Services 1.0%** |
| Rocket Companies, Inc. | &nbsp;&nbsp; 918973 | &nbsp;&nbsp; 18361081 |
| **Total Financials** | **Total Financials** | &nbsp;&nbsp; **90972051** |
| **Health Care 13.2%** | **Health Care 13.2%** | **Health Care 13.2%** |
| **Biotechnology 4.0%** | **Biotechnology 4.0%** | **Biotechnology 4.0%** |
| Argenx SE, ADR<sup>(a)</sup> <br>| &nbsp;&nbsp; 41197 | &nbsp;&nbsp; 37570840 |
| Ascendis Pharma A/S ADR<sup>(a)</sup> <br>| &nbsp;&nbsp; 41652 | &nbsp;&nbsp; 8843969 |
| Insmed, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 133974 | &nbsp;&nbsp; 27835778 |
| Total |  | &nbsp;&nbsp; 74250587 |
| **Health Care Equipment & Supplies 4.5%** | **Health Care Equipment & Supplies 4.5%** | **Health Care Equipment & Supplies 4.5%** |
| DexCom, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 512592 | &nbsp;&nbsp; 32534214 |
| IDEXX Laboratories, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 47296 | &nbsp;&nbsp; 35608213 |
| Insulet Corp.<sup>(a)</sup> <br>| &nbsp;&nbsp; 44054 | &nbsp;&nbsp; 14414028 |
| Total |  | &nbsp;&nbsp; 82556455 |
| **Health Care Technology 1.1%** | **Health Care Technology 1.1%** | **Health Care Technology 1.1%** |
| Veeva Systems Inc., Class A<sup>(a)</sup> <br>| &nbsp;&nbsp; 84856 | &nbsp;&nbsp; 20390048 |
| **Life Sciences Tools & Services 3.1%** | **Life Sciences Tools & Services 3.1%** | **Life Sciences Tools & Services 3.1%** |
| Charles River Laboratories International, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 143781 | &nbsp;&nbsp; 25613147 |
| IQVIA Holdings, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 137350 | &nbsp;&nbsp; 31591874 |
| Total |  | &nbsp;&nbsp; 57205021 |

---

Columbia Select Mid Cap Growth Fund \| 2025

------

Portfolio of Investments (continued)

Columbia Select Mid Cap Growth Fund, November 30, 2025 (Unaudited)

---

| | | |
|:---|:---|:---|
| **Common Stocks (continued)** | **Common Stocks (continued)** | **Common Stocks (continued)** |
| **Issuer** | **Shares** | **Value ($)** |
| **Pharmaceuticals 0.5%** | **Pharmaceuticals 0.5%** | **Pharmaceuticals 0.5%** |
| UCB SA | &nbsp;&nbsp; 32890 | &nbsp;&nbsp; 9193208 |
| **Total Health Care** | **Total Health Care** | &nbsp;&nbsp; **243595319** |
| **Industrials 21.8%** | **Industrials 21.8%** | **Industrials 21.8%** |
| **Aerospace & Defense 12.4%** | **Aerospace & Defense 12.4%** | **Aerospace & Defense 12.4%** |
| Aerovironment, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 119163 | &nbsp;&nbsp; 33301292 |
| Axon Enterprise, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 13606 | &nbsp;&nbsp; 7349145 |
| BWX Technologies, Inc. | &nbsp;&nbsp; 51545 | &nbsp;&nbsp; 9220370 |
| Carpenter Technology Corp. | &nbsp;&nbsp; 168148 | &nbsp;&nbsp; 53561864 |
| Howmet Aerospace, Inc. | &nbsp;&nbsp; 272761 | &nbsp;&nbsp; 55804173 |
| Kratos Defense & Security Solutions, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 313506 | &nbsp;&nbsp; 23857806 |
| L3Harris Technologies, Inc. | &nbsp;&nbsp; 93278 | &nbsp;&nbsp; 25995646 |
| Rocket Lab Corp.<sup>(a)</sup> <br>| &nbsp;&nbsp; 472809 | &nbsp;&nbsp; 19924171 |
| Total |  | &nbsp;&nbsp; 229014467 |
| **Electrical Equipment 4.5%** | **Electrical Equipment 4.5%** | **Electrical Equipment 4.5%** |
| Bloom Energy Corp., Class A<sup>(a)</sup> <br>| &nbsp;&nbsp; 198490 | &nbsp;&nbsp; 21683048 |
| Vertiv Holdings Co. | &nbsp;&nbsp; 336050 | &nbsp;&nbsp; 60398266 |
| Total |  | &nbsp;&nbsp; 82081314 |
| **Machinery 2.5%** | **Machinery 2.5%** | **Machinery 2.5%** |
| RBC Bearings, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 102042 | &nbsp;&nbsp; 45405629 |
| **Professional Services 1.3%** | **Professional Services 1.3%** | **Professional Services 1.3%** |
| Parsons Corp.<sup>(a)</sup> <br>| &nbsp;&nbsp; 292752 | &nbsp;&nbsp; 24790239 |
| **Trading Companies & Distributors 1.1%** | **Trading Companies & Distributors 1.1%** | **Trading Companies & Distributors 1.1%** |
| Ferguson Enterprises, Inc. | &nbsp;&nbsp; 80356 | &nbsp;&nbsp; 20223195 |
| **Total Industrials** | **Total Industrials** | &nbsp;&nbsp; **401514844** |
| **Information Technology 17.5%** | **Information Technology 17.5%** | **Information Technology 17.5%** |
| **IT Services 5.6%** | **IT Services 5.6%** | **IT Services 5.6%** |
| Cloudflare, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 203973 | &nbsp;&nbsp; 40837434 |
| MongoDB, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 121885 | &nbsp;&nbsp; 40510918 |
| Snowflake, Inc., Class A<sup>(a)</sup> <br>| &nbsp;&nbsp; 87417 | &nbsp;&nbsp; 21962647 |
| Total |  | &nbsp;&nbsp; 103310999 |
| **Semiconductors & Semiconductor Equipment 2.3%** | **Semiconductors & Semiconductor Equipment 2.3%** | **Semiconductors & Semiconductor Equipment 2.3%** |
| Credo Technology Group Holding Ltd.<sup>(a)</sup> <br>| &nbsp;&nbsp; 79969 | &nbsp;&nbsp; 14202495 |
| Monolithic Power Systems, Inc. | &nbsp;&nbsp; 31514 | &nbsp;&nbsp; 29250349 |
| Total |  | &nbsp;&nbsp; 43452844 |

---

---

| | | |
|:---|:---|:---|
| **Common Stocks (continued)** | **Common Stocks (continued)** | **Common Stocks (continued)** |
| **Issuer** | **Shares** | **Value ($)** |
| **Software 8.1%** | **Software 8.1%** | **Software 8.1%** |
| Datadog, Inc., Class A<sup>(a)</sup> <br>| &nbsp;&nbsp; 314229 | &nbsp;&nbsp; 50279782 |
| Fair Isaac Corp.<sup>(a)</sup> <br>| &nbsp;&nbsp; 9981 | &nbsp;&nbsp; 18023989 |
| Hut 8 Corp.<sup>(a)</sup> <br>| &nbsp;&nbsp; 548433 | &nbsp;&nbsp; 24679485 |
| Unity Software, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 806397 | &nbsp;&nbsp; 34288001 |
| Zscaler, Inc.<sup>(a)</sup> <br>| &nbsp;&nbsp; 86718 | &nbsp;&nbsp; 21809577 |
| Total |  | &nbsp;&nbsp; 149080834 |
| **Technology Hardware, Storage & Peripherals 1.5%** | **Technology Hardware, Storage & Peripherals 1.5%** | **Technology Hardware, Storage & Peripherals 1.5%** |
| Sandisk Corp.<sup>(a)</sup> <br>| &nbsp;&nbsp; 122665 | &nbsp;&nbsp; 27388641 |
| **Total Information Technology** | **Total Information Technology** | &nbsp;&nbsp; **323233318** |
| **Materials 1.8%** | **Materials 1.8%** | **Materials 1.8%** |
| **Construction Materials 0.8%** | **Construction Materials 0.8%** | **Construction Materials 0.8%** |
| Vulcan Materials Co. | &nbsp;&nbsp; 47380 | &nbsp;&nbsp; 14083231 |
| **Metals & Mining 1.0%** | **Metals & Mining 1.0%** | **Metals & Mining 1.0%** |
| MP Materials Corp.<sup>(a)</sup> <br>| &nbsp;&nbsp; 298888 | &nbsp;&nbsp; 18516112 |
| **Total Materials** | **Total Materials** | &nbsp;&nbsp; **32599343** |
| **Utilities 2.3%** | **Utilities 2.3%** | **Utilities 2.3%** |
| **Electric Utilities 1.1%** | **Electric Utilities 1.1%** | **Electric Utilities 1.1%** |
| NRG Energy, Inc. | &nbsp;&nbsp; 115631 | &nbsp;&nbsp; 19598298 |
| **Independent Power and Renewable Electricity Producers 1.2%** | **Independent Power and Renewable Electricity Producers 1.2%** | **Independent Power and Renewable Electricity Producers 1.2%** |
| Talen Energy Corp.<sup>(a)</sup> <br>| &nbsp;&nbsp; 30728 | &nbsp;&nbsp; 12115129 |
| Vistra Corp. | &nbsp;&nbsp; 62120 | &nbsp;&nbsp; 11110783 |
| Total |  | &nbsp;&nbsp; 23225912 |
| **Total Utilities** | **Total Utilities** | &nbsp;&nbsp; **42824210** |
| &nbsp;&nbsp; Total Common Stocks <br>(Cost $1,465,906,055) | &nbsp;&nbsp; Total Common Stocks <br>(Cost $1,465,906,055) | &nbsp;&nbsp; **1845418226** |
| **Money Market Funds 0.2%** | **Money Market Funds 0.2%** | **Money Market Funds 0.2%** |
|  | **Shares** | **Value ($)** |
| Columbia Short-Term Cash Fund, 4.061%<sup>(b),(c)</sup> <br>| &nbsp;&nbsp; 3321561 | &nbsp;&nbsp; 3320565 |
| &nbsp;&nbsp; Total Money Market Funds <br>(Cost $3,319,949) | &nbsp;&nbsp; Total Money Market Funds <br>(Cost $3,319,949) | &nbsp;&nbsp; **3320565** |
| **Total Investments in Securities** <br>**(Cost: $1,469,226,004)** | **Total Investments in Securities** <br>**(Cost: $1,469,226,004)** | &nbsp;&nbsp; **1848738791** |
| **Other Assets & Liabilities, Net** |  | &nbsp;&nbsp; **(7210094)**<br>|
| **Net Assets** | **Net Assets** | &nbsp;&nbsp; **1841528697** |

---

Columbia Select Mid Cap Growth Fund \| 2025

------

Portfolio of Investments (continued)

Columbia Select Mid Cap Growth Fund, November 30, 2025 (Unaudited)

**Notes to Portfolio of Investments** 

&nbsp;&nbsp;&nbsp;&nbsp;(a) Non-income producing investment.

&nbsp;&nbsp;&nbsp;&nbsp;(b) The rate shown is the seven-day current annualized yield at November 30, 2025.

&nbsp;&nbsp;&nbsp;&nbsp;(c) 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 value of the
 holdings and transactions in these affiliated companies during the period ended November 30, 2025 are as follows:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

---

| | | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| **Affiliated issuers** | **Beginning** <br>**of period($)**<br>| **Purchases($)** | **Sales($)** | **Net change in** <br>**unrealized** <br>**appreciation** <br>**(depreciation)($)**<br>| **End of** <br>**period($)**<br>| **Realized gain** <br>**(loss)($)**<br>| **Dividends($)** | **End of** <br>**period shares**<br>|
| Columbia Short-Term Cash Fund, 4.061% | Columbia Short-Term Cash Fund, 4.061% | Columbia Short-Term Cash Fund, 4.061% | Columbia Short-Term Cash Fund, 4.061% | Columbia Short-Term Cash Fund, 4.061% | Columbia Short-Term Cash Fund, 4.061% | Columbia Short-Term Cash Fund, 4.061% | Columbia Short-Term Cash Fund, 4.061% | Columbia Short-Term Cash Fund, 4.061% |
|  | 1792448 | &nbsp;&nbsp; 418271827 | &nbsp;&nbsp; (416744171)<br>| &nbsp;&nbsp; 461 | &nbsp;&nbsp; 3320565 | &nbsp;&nbsp; 13981 | &nbsp;&nbsp; 465615 | &nbsp;&nbsp; 3321561 |

---

**Abbreviation Legend** 

ADR American Depositary Receipt

Investments are valued using policies described in the Notes to Financial Statements included within the most recent financial statements and additional information.

Columbia Select Mid Cap Growth Fund \| 2025

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You may at any time request, free of charge, to receive a paper copy of this report by calling 800.345.6611.

1QT194_08_T01_(01/26)

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## 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 FUNDS SERIES TRUST I

- **b. Investment Company Act file number:** 811-04367

- **c. CIK number of Registrant:** 0000773757

- **d. LEI of Registrant:** 549300W5GIE6ZOZOTD82

- **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 Select Mid Cap Growth Fund

- **b. EDGAR series identifier (if any):** S000012070

- **c. LEI of Series:** HZ7PQG17CDCUWZHXRF67

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

- **a. Date of fiscal year-end:** 2026-08-31

- **b. Date as of which information is reported:** 2025-11-30

**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:** $1842161804.00

**Total Liabilities:** $339828.89

**Net Assets:** $1841821975.11

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000032847 | 2.76%                | 2.04%                | -4.56%               |
| Class ID C000032849 | 2.63%                | 2.03%                | -4.62%               |
| Class ID C000032854 | 2.76%                | 2.08%                | -4.55%               |
| Class ID C000078986 | 2.76%                | 2.09%                | -4.56%               |
| Class ID C000094669 | 2.74%                | 2.10%                | -4.55%               |
| Class ID C000253714 | 2.76%                | 2.08%                | -4.55%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $32730124.30             | $19249109.70                               |
| Month 2  | $50043790.79             | $-9717987.69                               |
| Month 3  | $26015043.81             | $-113586142.22                             |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| AeroVironment Inc                            | AeroVironment Inc                            | CUSIP: 008073108<br>LEI: 529900PGHVI29YLZ6221 | Long             | EC               | CORP              | US        |    119163 | NS      | $33301291.98  | 1.81%             |  |  |  | No            |                  1 | On Loan: No      |
| Argenx SE                                    | Argenx SE                                    | CUSIP: 04016X101<br>LEI: 7245009C5FZE6G9ODQ71 | Long             | EC               | CORP              | NL        |     41197 | NS      | $37570840.06  | 2.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Ascendis Pharma A/S                          | Ascendis Pharma A/S                          | CUSIP: 04351P101<br>LEI: 549300B66JN3W3J8GH73 | Long             | EC               | CORP              | DK        |     41652 | NS      | $8843969.16   | 0.48%             |  |  |  | No            |                  1 | On Loan: No      |
| Axon Enterprise Inc                          | Axon Enterprise Inc                          | CUSIP: 05464C101<br>LEI: 549300QP2IEEGFE16681 | Long             | EC               | CORP              | US        |     17074 | NS      | $9222350.36   | 0.50%             |  |  |  | No            |                  1 | On Loan: No      |
| BWX Technologies Inc                         | BWX Technologies Inc                         | CUSIP: 05605H100<br>LEI: 549300NP85N265KWMS58 | Long             | EC               | CORP              | US        |     51545 | NS      | $9220369.60   | 0.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Bloom Energy Corp                            | Bloom Energy Corp                            | CUSIP: 093712107<br>LEI: 549300XB5J9BFW5JXV97 | Long             | EC               | CORP              | US        |    198490 | NS      | $21683047.60  | 1.18%             |  |  |  | No            |                  1 | On Loan: No      |
| Carpenter Technology Corp                    | Carpenter Technology Corp                    | CUSIP: 144285103<br>LEI: DX6I6ZD3X5WNNCDJKP85 | Long             | EC               | CORP              | US        |    168148 | NS      | $53561863.92  | 2.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Casey's General Stores Inc                   | Casey's General Stores Inc                   | CUSIP: 147528103<br>LEI: 549300CAFWSI86V66Q65 | Long             | EC               | CORP              | US        |     62920 | NS      | $35893343.20  | 1.95%             |  |  |  | No            |                  1 | On Loan: No      |
| Celsius Holdings Inc                         | Celsius Holdings Inc                         | CUSIP: 15118V207<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    918146 | NS      | $37588897.24  | 2.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Charles River Laboratories International Inc | Charles River Laboratories International Inc | CUSIP: 159864107<br>LEI: 549300BSQ0R4UZ5KX287 | Long             | EC               | CORP              | US        |    143781 | NS      | $25613147.34  | 1.39%             |  |  |  | No            |                  1 | On Loan: No      |
| Chewy Inc                                    | Chewy Inc                                    | CUSIP: 16679L109<br>LEI: 254900NPQSTG9I422879 | Long             | EC               | CORP              | US        |    393651 | NS      | $13687245.27  | 0.74%             |  |  |  | No            |                  1 | On Loan: No      |
| Cloudflare Inc                               | Cloudflare Inc                               | CUSIP: 18915M107<br>LEI: 5493007DY18BGNLDWU14 | Long             | EC               | CORP              | US        |    203973 | NS      | $40837434.33  | 2.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Coinbase Global Inc                          | Coinbase Global Inc                          | CUSIP: 19260Q107<br>LEI: 5493004G3J2SC154DU06 | Long             | EC               | CORP              | US        |     55934 | NS      | $15259913.88  | 0.83%             |  |  |  | No            |                  1 | On Loan: No      |
| COLUMBIA SHORT TERM CASH FUND                | COLUMBIA SHORT TERM CASH FUND                | CUSIP: 19766H239<br>LEI: N/A                  | Long             | STIV             | RF                | US        |   3321561 | NS      | $3320564.89   | 0.18%             |  |  |  | No            |                  1 | On Loan: No      |
| Datadog Inc                                  | Datadog Inc                                  | CUSIP: 23804L103<br>LEI: 549300F6JNO0KRPO1K63 | Long             | EC               | CORP              | US        |    301668 | NS      | $48269896.68  | 2.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Dexcom Inc                                   | Dexcom Inc                                   | CUSIP: 252131107<br>LEI: 549300YSK3QDSFR5EU59 | Long             | EC               | CORP              | US        |    512592 | NS      | $32534214.24  | 1.77%             |  |  |  | No            |                  1 | On Loan: No      |
| DoorDash Inc                                 | DoorDash Inc                                 | CUSIP: 25809K105<br>LEI: 549300NUQ43FGGSK5051 | Long             | EC               | CORP              | US        |    149780 | NS      | $29711858.60  | 1.61%             |  |  |  | No            |                  1 | On Loan: No      |
| DraftKings Inc                               | DraftKings Inc                               | CUSIP: 26142V105<br>LEI: 2549006G33IUL6IVOD83 | Long             | EC               | CORP              | US        |    884836 | NS      | $29341161.76  | 1.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Fair Isaac Corp                              | Fair Isaac Corp                              | CUSIP: 303250104<br>LEI: RI6HET5SJUEY30V1PS26 | Long             | EC               | CORP              | US        |      9981 | NS      | $18023989.23  | 0.98%             |  |  |  | No            |                  1 | On Loan: No      |
| Ferguson Enterprises Inc                     | Ferguson Enterprises Inc                     | CUSIP: 31488V107<br>LEI: 2138003JYQMRP3SLX189 | Long             | EC               | CORP              | US        |     80356 | NS      | $20223194.52  | 1.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Gap Inc/The                                  | Gap Inc/The                                  | CUSIP: 364760108<br>LEI: T2ZG1WRWZ4BUCMQL9224 | Long             | EC               | CORP              | US        |    788808 | NS      | $21353032.56  | 1.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Hilton Worldwide Holdings Inc                | Hilton Worldwide Holdings Inc                | CUSIP: 43300A203<br>LEI: 549300HVGPK36ICB0B89 | Long             | EC               | CORP              | US        |    127466 | NS      | $36331633.98  | 1.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Howmet Aerospace Inc                         | Howmet Aerospace Inc                         | CUSIP: 443201108<br>LEI: 549300HO5WFZUT5N2T22 | Long             | EC               | CORP              | US        |    272761 | NS      | $55804172.99  | 3.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Hut 8 Corp                                   | Hut 8 Corp                                   | CUSIP: 44812J104<br>LEI: 98450066FEF9C1D3FC20 | Long             | EC               | CORP              | US        |    548433 | NS      | $24679485.00  | 1.34%             |  |  |  | No            |                  1 | On Loan: No      |
| IDEXX Laboratories Inc                       | IDEXX Laboratories Inc                       | CUSIP: 45168D104<br>LEI: OGMTXK0LUU1HKV2P0J84 | Long             | EC               | CORP              | US        |     47296 | NS      | $35608212.48  | 1.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Insmed Inc                                   | Insmed Inc                                   | CUSIP: 457669307<br>LEI: 529900Q55QAG41CCAC11 | Long             | EC               | CORP              | US        |    133974 | NS      | $27835777.98  | 1.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Insulet Corp                                 | Insulet Corp                                 | CUSIP: 45784P101<br>LEI: 549300TZTYD2PYN92D43 | Long             | EC               | CORP              | US        |     44054 | NS      | $14414028.26  | 0.78%             |  |  |  | No            |                  1 | On Loan: No      |
| IQVIA Holdings Inc                           | IQVIA Holdings Inc                           | CUSIP: 46266C105<br>LEI: 549300W3R20NM4KQPH86 | Long             | EC               | CORP              | US        |    137350 | NS      | $31591873.50  | 1.72%             |  |  |  | No            |                  1 | On Loan: No      |
| Kratos Defense & Security Solutions Inc      | Kratos Defense & Security Solutions Inc      | CUSIP: 50077B207<br>LEI: 5493000EKBN0UY1F3F88 | Long             | EC               | CORP              | US        |    313506 | NS      | $23857806.60  | 1.30%             |  |  |  | No            |                  1 | On Loan: No      |
| LPL Financial Holdings Inc                   | LPL Financial Holdings Inc                   | CUSIP: 50212V100<br>LEI: 549300XROQ4Y8G2L7682 | Long             | EC               | CORP              | US        |     26543 | NS      | $9450369.72   | 0.51%             |  |  |  | No            |                  1 | On Loan: No      |
| L3Harris Technologies Inc                    | L3Harris Technologies Inc                    | CUSIP: 502431109<br>LEI: 549300UTE50ZMDBG8A20 | Long             | EC               | CORP              | US        |     93278 | NS      | $25995645.82  | 1.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Liberty Media Corp-Liberty Formula One       | Liberty Media Corp-Liberty Formula One       | CUSIP: 531229755<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    100273 | NS      | $9624202.54   | 0.52%             |  |  |  | No            |                  1 | On Loan: No      |
| Live Nation Entertainment Inc                | Live Nation Entertainment Inc                | CUSIP: 538034109<br>LEI: 5493007B9BM9ZXJINO78 | Long             | EC               | CORP              | US        |    173766 | NS      | $22841540.70  | 1.24%             |  |  |  | No            |                  1 | On Loan: No      |
| MP Materials Corp                            | MP Materials Corp                            | CUSIP: 553368101<br>LEI: 89450063PHPS61USMT84 | Long             | EC               | CORP              | US        |    298888 | NS      | $18516111.60  | 1.01%             |  |  |  | No            |                  1 | On Loan: No      |
| Maplebear Inc                                | Maplebear Inc                                | CUSIP: 565394103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    221983 | NS      | $9325505.83   | 0.51%             |  |  |  | No            |                  1 | On Loan: No      |
| MongoDB Inc                                  | MongoDB Inc                                  | CUSIP: 60937P106<br>LEI: 549300TPTG69WKWE1Z37 | Long             | EC               | CORP              | US        |    121885 | NS      | $40510917.45  | 2.20%             |  |  |  | No            |                  1 | On Loan: No      |
| Monolithic Power Systems Inc                 | Monolithic Power Systems Inc                 | CUSIP: 609839105<br>LEI: 529900TB7O85LSZ1XU31 | Long             | EC               | CORP              | US        |     31514 | NS      | $29250349.38  | 1.59%             |  |  |  | No            |                  1 | On Loan: No      |
| NRG Energy Inc                               | NRG Energy Inc                               | CUSIP: 629377508<br>LEI: 5E2UPK5SW04M13XY7I38 | Long             | EC               | CORP              | US        |    115631 | NS      | $19598298.19  | 1.06%             |  |  |  | No            |                  1 | On Loan: No      |
| Parsons Corp                                 | Parsons Corp                                 | CUSIP: 70202L102<br>LEI: 549300ZXH0VRBSEPX752 | Long             | EC               | CORP              | US        |    292752 | NS      | $24790239.36  | 1.35%             |  |  |  | No            |                  1 | On Loan: No      |
| RBC Bearings Inc                             | RBC Bearings Inc                             | CUSIP: 75524B104<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    102042 | NS      | $45405628.74  | 2.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Reddit Inc                                   | Reddit Inc                                   | CUSIP: 75734B100<br>LEI: 529900APN1YHPBHPI679 | Long             | EC               | CORP              | US        |     89823 | NS      | $19443984.81  | 1.06%             |  |  |  | No            |                  1 | On Loan: No      |
| Robinhood Markets Inc                        | Robinhood Markets Inc                        | CUSIP: 770700102<br>LEI: 213800FS5AO3YWIE6F63 | Long             | EC               | CORP              | US        |    372797 | NS      | $47900686.53  | 2.60%             |  |  |  | No            |                  1 | On Loan: No      |
| ROBLOX Corp                                  | ROBLOX Corp                                  | CUSIP: 771049103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    490680 | NS      | $46629320.40  | 2.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Rocket Cos Inc                               | Rocket Cos Inc                               | CUSIP: 77311W101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    918973 | NS      | $18361080.54  | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Rocket Lab Corp                              | Rocket Lab Corp                              | CUSIP: 773121108<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    472809 | NS      | $19924171.26  | 1.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Roku Inc                                     | Roku Inc                                     | CUSIP: 77543R102<br>LEI: 549300KR6ITU0YIR1T71 | Long             | EC               | CORP              | US        |    296664 | NS      | $28714108.56  | 1.56%             |  |  |  | No            |                  1 | On Loan: No      |
| Ross Stores Inc                              | Ross Stores Inc                              | CUSIP: 778296103<br>LEI: 549300ENZFLPGRDFZQ60 | Long             | EC               | CORP              | US        |     60138 | NS      | $10605937.68  | 0.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Sandisk Corp/DE                              | Sandisk Corp/DE                              | CUSIP: 80004C200<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    122665 | NS      | $27388641.20  | 1.49%             |  |  |  | No            |                  1 | On Loan: No      |
| Snowflake Inc                                | Snowflake Inc                                | CUSIP: 833445109<br>LEI: 254900CJNSY1K7T53Z16 | Long             | EC               | CORP              | US        |     87417 | NS      | $21962647.08  | 1.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Sprouts Farmers Market Inc                   | Sprouts Farmers Market Inc                   | CUSIP: 85208M102<br>LEI: 529900P8F4G77Q52XE24 | Long             | EC               | CORP              | US        |    155876 | NS      | $13063967.56  | 0.71%             |  |  |  | No            |                  1 | On Loan: No      |
| TKO Group Holdings Inc                       | TKO Group Holdings Inc                       | CUSIP: 87256C101<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    105012 | NS      | $20360776.68  | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Take-Two Interactive Software Inc            | Take-Two Interactive Software Inc            | CUSIP: 874054109<br>LEI: BOMSTHHJK882EWYX3334 | Long             | EC               | CORP              | US        |    214445 | NS      | $52768481.15  | 2.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Talen Energy Corp                            | Talen Energy Corp                            | CUSIP: 87422Q109<br>LEI: K5K33XN0PQAU1XF7NN66 | Long             | EC               | CORP              | US        |     30728 | NS      | $12115128.56  | 0.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Tapestry Inc                                 | Tapestry Inc                                 | CUSIP: 876030107<br>LEI: 549300LJNVY5SW3VTN33 | Long             | EC               | CORP              | US        |    267694 | NS      | $29253600.32  | 1.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Tractor Supply Co                            | Tractor Supply Co                            | CUSIP: 892356106<br>LEI: 549300OJ9VZHZRO6I137 | Long             | EC               | CORP              | US        |    461706 | NS      | $25292254.68  | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| UCB SA                                       | UCB SA                                       | CUSIP: 000000000<br>LEI: 2138008J191VLSGY5A09 | Long             | EC               | CORP              | BE        |     32890 | NS      | $9193208.09   | 0.50%             |  |  |  | No            |                  2 | On Loan: No      |
| Unity Software Inc                           | Unity Software Inc                           | CUSIP: 91332U101<br>LEI: 549300D1ESJMGNQNG432 | Long             | EC               | CORP              | US        |    806397 | NS      | $34288000.44  | 1.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Veeva Systems Inc                            | Veeva Systems Inc                            | CUSIP: 922475108<br>LEI: 549300YZEXPDB92M2F02 | Long             | EC               | CORP              | US        |     84856 | NS      | $20390048.24  | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Vertiv Holdings Co                           | Vertiv Holdings Co                           | CUSIP: 92537N108<br>LEI: 549300KTTIRAOGXCRV69 | Long             | EC               | CORP              | US        |    336050 | NS      | $60398266.50  | 3.28%             |  |  |  | No            |                  1 | On Loan: No      |
| Vistra Corp                                  | Vistra Corp                                  | CUSIP: 92840M102<br>LEI: 549300KP43CPCUJOOG15 | Long             | EC               | CORP              | US        |     62120 | NS      | $11110783.20  | 0.60%             |  |  |  | No            |                  1 | On Loan: No      |
| Vulcan Materials Co                          | Vulcan Materials Co                          | CUSIP: 929160109<br>LEI: 549300Q8LSNHAVWBNI21 | Long             | EC               | CORP              | US        |     47380 | NS      | $14083231.20  | 0.76%             |  |  |  | No            |                  1 | On Loan: No      |
| Wayfair Inc                                  | Wayfair Inc                                  | CUSIP: 94419L101<br>LEI: 54930027N9ZAVYFDHK53 | Long             | EC               | CORP              | US        |    304623 | NS      | $33752228.40  | 1.83%             |  |  |  | No            |                  1 | On Loan: No      |
| Wynn Resorts Ltd                             | Wynn Resorts Ltd                             | CUSIP: 983134107<br>LEI: 254900CEKKWIHTEAB172 | Long             | EC               | CORP              | US        |    140041 | NS      | $18020475.88  | 0.98%             |  |  |  | No            |                  1 | On Loan: No      |
| Zscaler Inc                                  | Zscaler Inc                                  | CUSIP: 98980G102<br>LEI: 529900MZ0RTK1BWRNF46 | Long             | EC               | CORP              | US        |     81471 | NS      | $20489956.50  | 1.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Credo Technology Group Holding Ltd           | Credo Technology Group Holding Ltd           | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | KY        |     79969 | NS      | $14202494.40  | 0.77%             |  |  |  | No            |                  1 | On Loan: No      |
| Norwegian Cruise Line Holdings Ltd           | Norwegian Cruise Line Holdings Ltd           | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | BM        |    714658 | NS      | $13192586.68  | 0.72%             |  |  |  | No            |                  1 | On Loan: No      |
| SharkNinja Inc                               | SharkNinja Inc                               | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | KY        |    456835 | NS      | $44573390.95  | 2.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Viking Holdings Ltd                          | Viking Holdings Ltd                          | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | BM        |    389217 | NS      | $25991911.26  | 1.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Spotify Technology SA                        | Spotify Technology SA                        | CUSIP: 000000000<br>LEI: 549300B4X0JHWV0DTD60 | Long             | EC               | CORP              | LU        |     85372 | NS      | $51126729.64  | 2.78%             |  |  |  | No            |                  1 | On Loan: No      |
| Royal Caribbean Cruises Ltd                  | Royal Caribbean Cruises Ltd                  | CUSIP: 000000000<br>LEI: K2NEH8QNVW44JIWK7Z55 | Long             | EC               | CORP              | LR        |     99696 | NS      | $26544060.00  | 1.44%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2026-01-27

**Name of Applicant:** COLUMBIA FUNDS SERIES TRUST I

**Signature:** Jennifer Borges

**Name of Signer:** Jennifer Borges

**Title:** Senior Manager