N-CSR

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-CSR

CERTIFIED SHAREHOLDER REPORT OF REGISTERED MANAGEMENT INVESTMENT COMPANIES

Investment Company Act file number

811-04367

Columbia Funds Series Trust I

(Exact name of registrant as specified in charter)

290 Congress Street

Boston, MA 02210

(Address of principal executive offices) (Zip code)

Daniel J. Beckman

c/o Columbia Management Investment Advisers, LLC

290 Congress Street

Boston, MA 02210

Ryan C. Larrenaga, Esq.

c/o Columbia Management Investment Advisers, LLC

290 Congress Street

Boston, MA 02210

(Name and address of agent for service)

Registrant's telephone number, including area code:

(800) 345-6611

Date of fiscal year end:

Last Day of August

Date of reporting period:

August 31, 2024

Form N-CSR is to be used by management investment companies to file reports with the Commission not later than 10 days after the transmission to stockholders of any report that is required to be transmitted to stockholders under Rule 30e-1 under the Investment Company Act of 1940 (17 CFR 270.30e-1). The Commission may use the information provided on Form N-CSR in its regulatory, disclosure review, inspection, and policymaking roles.

A registrant is required to disclose the information specified by Form N-CSR, and the Commission will make this information public. A registrant is not required to respond to the collection of information contained in Form N-CSR unless the Form displays a currently valid Office of Management and Budget ("OMB") control number. Please direct comments concerning the accuracy of the information collection burden estimate and any suggestions for reducing the burden to Secretary, Securities and Exchange Commission, 100  F Street, NE, Washington, DC 20549. The OMB has reviewed this collection of information under the clearance requirements of 44 U.S.C. § 3507.

Item 1. Reports to Stockholders

Columbia Global Technology Growth Fund

Class A / CTCAX

Annual Shareholder Report | August 31, 2024

This annual shareholder report contains important information about Columbia Global Technology Growth Fund (the Fund) for the period of September 1, 2023 to August 31, 2024. You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class A	$136	1.17%

Management's Discussion of Fund Performance

The performance of Class A shares for the period presented is shown in the Average Annual Total Returns table.

Top Performance Contributors

Stock selection | Overall stock selection was positive.

Individual holdings | Top individual contributors to relative performance were Apple, Microsoft and Meta.

Top Performance Detractors

Allocations | Overall sector allocation was negative.

Individual holdings | Top individual detractors to relative performance were NVIDIA, Alphabet and Visa.

Fund Performance

The following shows the change in value of a hypothetical $10,000 investment in Class A shares of the Fund during the stated time period.

Growth of $10,000

Average Annual Total Returns (%)	1 year	5 years	10 years
Class A (excluding sales charges) (a),(b)	33.13	20.67	19.39
Class A (including sales charges) (a),(b)	25.47	19.25	18.68
S&P Global 1200 Information Technology Index (Net)	37.92	24.33	19.90
MSCI ACWI Index (Net)	23.44	12.14	8.78

(a)	Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.
(b)	The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

Past performance does not guarantee future performance. Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares. Performance results reflect the effect of any fee waivers/expense reimbursements, if applicable. All results shown assume reinvestment of distributions. Visit columbiathreadneedleus.com/investment-products/mutual-funds for more recent performance information.

Key Fund Statistics

Fund net assets	$3,430,923,132
Total number of portfolio holdings	103
Management services fees (represents 0.80% of Fund average net assets)	$23,443,760
Portfolio turnover for the reporting period	7%

Graphical Representation of Fund Holdings

The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Equity Sector Allocation

Information Technology Sub-industry Allocation

Availability of Additional Information

For additional information about the Fund, including its prospectus, financial information, holdings, federal tax information and proxy voting information, visit the Fund’s website included at the beginning of this report.

The Fund is distributed by Columbia Management Investment Distributors, Inc., member FINRA, and managed by Columbia Management Investment Advisers, LLC. Columbia Threadneedle Investments (Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.

© 2024 Columbia Management Investment Distributors, Inc.

Not FDIC or NCUA Insured • No Financial Institution Guarantee • May Lose Value

Columbia Global Technology Growth Fund

Advisor Class / CTYRX

Annual Shareholder Report | August 31, 2024

This annual shareholder report contains important information about Columbia Global Technology Growth Fund (the Fund) for the period of September 1, 2023 to August 31, 2024. You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Advisor Class	$107	0.92%

Management's Discussion of Fund Performance

The performance of Advisor Class shares for the period presented is shown in the Average Annual Total Returns table.

Top Performance Contributors

Stock selection | Overall stock selection was positive.

Individual holdings | Top individual contributors to relative performance were Apple, Microsoft and Meta.

Top Performance Detractors

Allocations | Overall sector allocation was negative.

Individual holdings | Top individual detractors to relative performance were NVIDIA, Alphabet and Visa.

Fund Performance

The following shows the change in value of a hypothetical $10,000 investment in Advisor Class shares of the Fund during the stated time period.

Growth of $10,000

Average Annual Total Returns (%)	1 year	5 years	10 years
Advisor Class (a),(b)	33.46	20.97	19.69
S&P Global 1200 Information Technology Index (Net)	37.92	24.33	19.90
MSCI ACWI Index (Net)	23.44	12.14	8.78

(a)	Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.
(b)	The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

Past performance does not guarantee future performance. Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares. Performance results reflect the effect of any fee waivers/expense reimbursements, if applicable. All results shown assume reinvestment of distributions. Visit columbiathreadneedleus.com/investment-products/mutual-funds for more recent performance information.

Key Fund Statistics

Fund net assets	$3,430,923,132
Total number of portfolio holdings	103
Management services fees (represents 0.80% of Fund average net assets)	$23,443,760
Portfolio turnover for the reporting period	7%

Graphical Representation of Fund Holdings

The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Equity Sector Allocation

Information Technology Sub-industry Allocation

Availability of Additional Information

For additional information about the Fund, including its prospectus, financial information, holdings, federal tax information and proxy voting information, visit the Fund’s website included at the beginning of this report.

The Fund is distributed by Columbia Management Investment Distributors, Inc., member FINRA, and managed by Columbia Management Investment Advisers, LLC. Columbia Threadneedle Investments (Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.

© 2024 Columbia Management Investment Distributors, Inc.

Not FDIC or NCUA Insured • No Financial Institution Guarantee • May Lose Value

Columbia Global Technology Growth Fund

Class C / CTHCX

Annual Shareholder Report | August 31, 2024

This annual shareholder report contains important information about Columbia Global Technology Growth Fund (the Fund) for the period of September 1, 2023 to August 31, 2024. You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class C	$222	1.92%

Management's Discussion of Fund Performance

The performance of Class C shares for the period presented is shown in the Average Annual Total Returns table.

Top Performance Contributors

Stock selection | Overall stock selection was positive.

Individual holdings | Top individual contributors to relative performance were Apple, Microsoft and Meta.

Top Performance Detractors

Allocations | Overall sector allocation was negative.

Individual holdings | Top individual detractors to relative performance were NVIDIA, Alphabet and Visa.

Fund Performance

The following shows the change in value of a hypothetical $10,000 investment in Class C shares of the Fund during the stated time period.

Growth of $10,000

Average Annual Total Returns (%)	1 year	5 years	10 years
Class C (excluding sales charges) (a),(b)	32.15	19.77	18.49
Class C (including sales charges) (a),(b)	31.15	19.77	18.49
S&P Global 1200 Information Technology Index (Net)	37.92	24.33	19.90
MSCI ACWI Index (Net)	23.44	12.14	8.78

(a)	Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.
(b)	The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

Past performance does not guarantee future performance. Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares. Performance results reflect the effect of any fee waivers/expense reimbursements, if applicable. All results shown assume reinvestment of distributions. Visit columbiathreadneedleus.com/investment-products/mutual-funds for more recent performance information.

Key Fund Statistics

Fund net assets	$3,430,923,132
Total number of portfolio holdings	103
Management services fees (represents 0.80% of Fund average net assets)	$23,443,760
Portfolio turnover for the reporting period	7%

Graphical Representation of Fund Holdings

The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Equity Sector Allocation

Information Technology Sub-industry Allocation

Availability of Additional Information

For additional information about the Fund, including its prospectus, financial information, holdings, federal tax information and proxy voting information, visit the Fund’s website included at the beginning of this report.

The Fund is distributed by Columbia Management Investment Distributors, Inc., member FINRA, and managed by Columbia Management Investment Advisers, LLC. Columbia Threadneedle Investments (Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.

© 2024 Columbia Management Investment Distributors, Inc.

Not FDIC or NCUA Insured • No Financial Institution Guarantee • May Lose Value

Columbia Global Technology Growth Fund

Institutional Class / CMTFX

Annual Shareholder Report | August 31, 2024

This annual shareholder report contains important information about Columbia Global Technology Growth Fund (the Fund) for the period of September 1, 2023 to August 31, 2024. You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Institutional Class	$107	0.92%

Management's Discussion of Fund Performance

The performance of Institutional Class shares for the period presented is shown in the Average Annual Total Returns table.

Top Performance Contributors

Stock selection | Overall stock selection was positive.

Individual holdings | Top individual contributors to relative performance were Apple, Microsoft and Meta.

Top Performance Detractors

Allocations | Overall sector allocation was negative.

Individual holdings | Top individual detractors to relative performance were NVIDIA, Alphabet and Visa.

Fund Performance

The following shows the change in value of a hypothetical $10,000 investment in Institutional Class shares of the Fund during the stated time period.

Growth of $10,000

Average Annual Total Returns (%)	1 year	5 years	10 years
Institutional Class (a),(b)	33.47	20.98	19.69
S&P Global 1200 Information Technology Index (Net)	37.92	24.33	19.90
MSCI ACWI Index (Net)	23.44	12.14	8.78

(a)	Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.
(b)	The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

Past performance does not guarantee future performance. Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares. Performance results reflect the effect of any fee waivers/expense reimbursements, if applicable. All results shown assume reinvestment of distributions. Visit columbiathreadneedleus.com/investment-products/mutual-funds for more recent performance information.

Key Fund Statistics

Fund net assets	$3,430,923,132
Total number of portfolio holdings	103
Management services fees (represents 0.80% of Fund average net assets)	$23,443,760
Portfolio turnover for the reporting period	7%

Graphical Representation of Fund Holdings

The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Equity Sector Allocation

Information Technology Sub-industry Allocation

Availability of Additional Information

For additional information about the Fund, including its prospectus, financial information, holdings, federal tax information and proxy voting information, visit the Fund’s website included at the beginning of this report.

The Fund is distributed by Columbia Management Investment Distributors, Inc., member FINRA, and managed by Columbia Management Investment Advisers, LLC. Columbia Threadneedle Investments (Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.

© 2024 Columbia Management Investment Distributors, Inc.

Not FDIC or NCUA Insured • No Financial Institution Guarantee • May Lose Value

Columbia Global Technology Growth Fund

Institutional 2 Class / CTHRX

Annual Shareholder Report | August 31, 2024

This annual shareholder report contains important information about Columbia Global Technology Growth Fund (the Fund) for the period of September 1, 2023 to August 31, 2024. You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Institutional 2 Class	$101	0.87%

Management's Discussion of Fund Performance

The performance of Institutional 2 Class shares for the period presented is shown in the Average Annual Total Returns table.

Top Performance Contributors

Stock selection | Overall stock selection was positive.

Individual holdings | Top individual contributors to relative performance were Apple, Microsoft and Meta.

Top Performance Detractors

Allocations | Overall sector allocation was negative.

Individual holdings | Top individual detractors to relative performance were NVIDIA, Alphabet and Visa.

Fund Performance

The following shows the change in value of a hypothetical $10,000 investment in Institutional 2 Class shares of the Fund during the stated time period.

Growth of $10,000

Average Annual Total Returns (%)	1 year	5 years	10 years
Institutional 2 Class (a),(b)	33.55	21.04	19.78
S&P Global 1200 Information Technology Index (Net)	37.92	24.33	19.90
MSCI ACWI Index (Net)	23.44	12.14	8.78

(a)	Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.
(b)	The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

Past performance does not guarantee future performance. Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares. Performance results reflect the effect of any fee waivers/expense reimbursements, if applicable. All results shown assume reinvestment of distributions. Visit columbiathreadneedleus.com/investment-products/mutual-funds for more recent performance information.

Key Fund Statistics

Fund net assets	$3,430,923,132
Total number of portfolio holdings	103
Management services fees (represents 0.80% of Fund average net assets)	$23,443,760
Portfolio turnover for the reporting period	7%

Graphical Representation of Fund Holdings

The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Equity Sector Allocation

Information Technology Sub-industry Allocation

Availability of Additional Information

For additional information about the Fund, including its prospectus, financial information, holdings, federal tax information and proxy voting information, visit the Fund’s website included at the beginning of this report.

The Fund is distributed by Columbia Management Investment Distributors, Inc., member FINRA, and managed by Columbia Management Investment Advisers, LLC. Columbia Threadneedle Investments (Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.

© 2024 Columbia Management Investment Distributors, Inc.

Not FDIC or NCUA Insured • No Financial Institution Guarantee • May Lose Value

Columbia Global Technology Growth Fund

Institutional 3 Class / CGTUX

Annual Shareholder Report | August 31, 2024

This annual shareholder report contains important information about Columbia Global Technology Growth Fund (the Fund) for the period of September 1, 2023 to August 31, 2024. You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Institutional 3 Class	$96	0.82%

Management's Discussion of Fund Performance

The performance of Institutional 3 Class shares for the period presented is shown in the Average Annual Total Returns table.

Top Performance Contributors

Stock selection | Overall stock selection was positive.

Individual holdings | Top individual contributors to relative performance were Apple, Microsoft and Meta.

Top Performance Detractors

Allocations | Overall sector allocation was negative.

Individual holdings | Top individual detractors to relative performance were NVIDIA, Alphabet and Visa.

Fund Performance

The following shows the change in value of a hypothetical $10,000 investment in Institutional 3 Class shares of the Fund during the stated time period.

Growth of $10,000

Average Annual Total Returns (%)	1 year	5 years	10 years
Institutional 3 Class (a),(b),(c)	33.61	21.11	19.81
S&P Global 1200 Information Technology Index (Net)	37.92	24.33	19.90
MSCI ACWI Index (Net)	23.44	12.14	8.78

(a)	The returns shown for periods prior to March 1, 2016 (including returns for the Life of the Fund, if shown, which are since Fund inception) include the returns of Institutional Class. These returns are adjusted to reflect any higher class-related operating expenses of the newer share classes, as applicable. Please visit columbiathreadneedleus.com/investor/investment-products/mutual-funds/appended-performance for more information.
(b)	Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.
(c)	The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

Past performance does not guarantee future performance. Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares. Performance results reflect the effect of any fee waivers/expense reimbursements, if applicable. All results shown assume reinvestment of distributions. Visit columbiathreadneedleus.com/investment-products/mutual-funds for more recent performance information.

Key Fund Statistics

Fund net assets	$3,430,923,132
Total number of portfolio holdings	103
Management services fees (represents 0.80% of Fund average net assets)	$23,443,760
Portfolio turnover for the reporting period	7%

Graphical Representation of Fund Holdings

The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Equity Sector Allocation

Information Technology Sub-industry Allocation

Availability of Additional Information

For additional information about the Fund, including its prospectus, financial information, holdings, federal tax information and proxy voting information, visit the Fund’s website included at the beginning of this report.

The Fund is distributed by Columbia Management Investment Distributors, Inc., member FINRA, and managed by Columbia Management Investment Advisers, LLC. Columbia Threadneedle Investments (Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.

© 2024 Columbia Management Investment Distributors, Inc.

Not FDIC or NCUA Insured • No Financial Institution Guarantee • May Lose Value

Item 2. Code of Ethics.

The registrant has adopted a code of ethics (the “Code”) that applies to the registrant’s principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions, regardless of whether these individuals are employed by the registrant or a third party. During the period covered by this report, there were not any amendments to a provision of the Code that relates to any element of the code of ethics definition enumerated in paragraph (b) of Item 2 of Form N-CSR. During the period covered by this report, there were no waivers, including any implicit waivers, from a provision of the Code that relates to one or more of the items set forth in paragraph (b) of Item 2 of Form N-CSR. A copy of the Code is attached hereto.

Item 3. Audit Committee Financial Expert.

The registrant’s Board of Trustees has determined that J. Kevin Connaughton, Brian J. Gallagher, Douglas A. Hacker, David M. Moffett and Sandra L. Yeager qualify as “audit committee financial experts,” as such term is defined in Form N-CSR. Mr. Connaughton, Mr. Gallagher, Mr. Hacker, Mr. Moffett and Ms. Yeager, are also each “independent” members of the Audit Committee pursuant to paragraph (a)(2) of Item 3 of Form N-CSR.

Item 4. Principal Accountant Fees and Services.

The Registrant has engaged its principal accountant to perform audit services, audit-related services, tax services and other services during the past two fiscal years. The following table details the aggregate fees billed or expected to be billed for each of the last two fiscal years for the series of the relevant registrant whose reports to shareholders are included in this annual filing.

	Amount billed to the registrant ($)		Amount billed to the registrant's investment advisor ($)
	August 31, 2024	August 31, 2023	August 31, 2024	August 31, 2023
Audit fees (a)	31,493	30,090	0	0
Audit-related fees (b)	2,500	0	0	0
Tax fees (c)	13,795	12,850	0	0
All other fees (d)	0	0	0	0
Non-audit fees (g)	0	0	581,000	577,000

(a)    Audit Fees include amounts related to the audit of the registrant’s annual financial statements or services that are normally provided by the accountant in connection with statutory and regulatory filings or engagements for those fiscal years.

(b)    Audit-Related Fees include amounts for assurance and related services by the principal accountant that are reasonably related to the performance of the audit of the registrant’s financial statements and are not reported in Audit Fees above.

(c)    Tax Fees include amounts for the review of annual tax returns, the review of required shareholder distribution calculations and typically include amounts for professional services by the principal accountant for tax compliance, tax advice, tax planning and foreign tax filings, if applicable.

(d)    All Other Fees include amounts for products and services provided by the principal accountant, other than the services reported in paragraphs (a) through (c) above and typically include SOC-1 reviews.

(e)(1) Audit Committee Pre-Approval Policies and Procedures
The registrant’s Audit Committee is required to pre-approve the engagement of the registrant’s independent auditors to provide audit and non-audit services to the registrant and non-audit services to its investment adviser (excluding any sub-adviser whose role is primarily portfolio management and is sub-contracted or overseen by another investment adviser (the “Adviser”) or any entity controlling, controlled by or under common control with the Adviser that provides ongoing services to the Fund (a “Control Affiliate”) if the engagement relates directly to the operations and financial reporting of the registrant.

The Audit Committee has adopted a Policy for Engagement of Independent Auditors for Audit and Non-Audit Services (the “Policy”). The Policy sets forth the understanding of the Audit Committee regarding the engagement of the registrant’s independent accountants to provide (i) audit and permissible audit-related, tax and other services to the registrant (“Fund Services”); (ii) non-audit services to the registrant’s Adviser and any Control Affiliates, that relates directly to the operations and financial reporting of a Fund (“Fund-related Adviser Services”); and (iii) certain other audit and non-audit services to the registrant’s Adviser and its Control Affiliates. A service will require specific pre-approval by the Audit Committee if it is to be provided by the Fund’s independent auditor; provided, however, that pre-approval of non-audit services to the Fund, the Adviser or Control Affiliates may be waived if certain de minimis requirements set forth in the SEC’s rules are met.

Under the Policy, the Audit Committee may delegate pre-approval authority to any pre-designated member or members who are independent board members.  The member(s) to whom such authority is delegated must report, for informational purposes only, any pre-approval decisions to the Audit Committee at its next regular meeting. The Audit Committee's responsibilities with respect to the pre-approval of services performed by the independent auditor may not be delegated to management.

On an annual basis, at a regularly scheduled Audit Committee meeting, the Fund’s Treasurer or other Fund officer shall submit to the Audit Committee a schedule of the types of Fund Services and Fund-related Adviser Services that are subject to specific pre-approval. This schedule will provide a description of each type of service that is subject to specific pre-approval, along with total projected fees for each service.  The pre-approval will generally cover a one-year period. The Audit Committee will review and approve the types of services and the projected fees for the next one-year period and may add to, or subtract from, the list of pre-approved services from time to time, based on subsequent determinations.  This specific approval acknowledges that the Audit Committee is in agreement with the specific types of services that the independent auditor will be permitted to perform and the projected fees for each service.

The Fund’s Treasurer or other Fund officer shall report to the Audit Committee at each of its regular meetings regarding all Fund Services or Fund-related Adviser Services provided since the last such report was rendered, including a description of the services, by category, with forecasted fees for the annual reporting period, proposed changes requiring specific pre-approval and a description of services provided by the independent auditor, by category, with actual fees during the current reporting period.

(e)(2) None, or 0%, of the Audit-Related Fees, Tax Fees and All Other Fees paid by the Fund or affiliated entities relating directly to the operations and financial reporting of the Registrant disclosed above were approved by the audit committee pursuant to paragraphs (c)(7)(i)(C) of Rule 2-01 of Regulation S-X (which permits audit committee approval after the start of the engagement with respect to services other than audit, review or attest services, if certain conditions are satisfied).

(f)    Not applicable.

(g)    The aggregate non-audit fees billed by the registrant’s accountant for services rendered to the registrant and rendered to the registrant’s investment adviser (not including any sub-adviser whose role is primarily portfolio management and is subcontracted with or overseen by another investment adviser), and any entity controlling, controlled by, or under common control with the adviser that provides ongoing services to the registrant.

(h)    The registrant’s Audit Committee of the Board of Directors has considered whether the provision of non-audit services that were rendered to the registrant’s adviser (not including any sub-adviser whose role is primarily portfolio management and is subcontracted with or overseen by another investment adviser), and any entity controlling, controlled by, or under common control with the investment adviser that provides ongoing services to the registrant that were not pre-approved pursuant to paragraph (c)(7)(ii) of Rule 2-01 of Regulation S-X, is compatible with maintaining the principal accountant’s independence.

(i)    Not applicable.

(j)    Not applicable.

Item 5. Audit Committee of Listed Registrants.

Not applicable.

Item 6. Investments.

(a) The registrant’s “Schedule I – Investments in securities of unaffiliated issuers” (as set forth in 17 CFR 210.12-12) is included in Item 7 of this Form N-CSR.

(b) Not applicable.

Item 7. Financial Statements and Financial Highlights for Open-End Management Investment Companies.

 

Columbia Global Technology Growth Fund

Annual Financial Statements and Additional Information

August 31, 2024 

Not FDIC or NCUA Insured No Financial Institution Guarantee May Lose Value

Table of Contents

Portfolio of Investments	3
Statement of Assets and Liabilities	7
Statement of Operations	8
Statement of Changes in Net Assets	9
Financial Highlights	12
Notes to Financial Statements	16
Report of Independent Registered Public Accounting Firm	25
Federal Income Tax Information	26
Approval of Management Agreement	27

Columbia Global Technology Growth Fund | 2024

Portfolio of Investments August 31, 2024

(Percentages represent value of investments compared to net assets)

Investments in securities

Common Stocks 97.8%
Issuer	Shares	Value ($)
Canada 0.5%
Shopify, Inc., Class A(a)	255,954	18,958,513
China 0.1%
Alibaba Group Holding Ltd., ADR	15,114	1,259,601
Tencent Holdings Ltd.	36,900	1,789,647
Total		3,049,248
France 0.2%
Dassault Systemes SE	139,146	5,437,796
Germany 0.4%
SAP SE, ADR	56,954	12,513,363
Japan 0.5%
Keyence Corp.	34,000	16,334,272
Netherlands 3.2%
ASML Holding NV	83,869	75,806,673
NXP Semiconductors NV	130,491	33,452,673
Total		109,259,346
South Korea 0.7%
Samsung Electronics Co., Ltd.	457,633	25,416,169
Switzerland 0.3%
STMicroelectronics NV, Registered Shares	289,998	9,265,436
Taiwan 2.4%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	477,456	81,979,195
United Kingdom 0.7%
nVent Electric PLC	86,605	5,885,676
RELX PLC	286,828	13,389,184
Sage Group PLC (The)	384,566	5,120,611
Total		24,395,471
United States 88.8%
Accenture PLC, Class A	92,716	31,704,236
Adobe, Inc.(a)	74,912	43,030,202
Advanced Micro Devices, Inc.(a)	296,700	44,077,752
Airbnb, Inc., Class A(a)	62,282	7,306,301
Akamai Technologies, Inc.(a)	50,396	5,132,329
Alphabet, Inc., Class A	741,858	121,204,760
Amazon.com, Inc.(a)	593,411	105,923,863

Common Stocks (continued)
Issuer	Shares	Value ($)
Amphenol Corp., Class A	251,684	16,976,086
Analog Devices, Inc.	147,457	34,628,802
ANSYS, Inc.(a)	45,358	14,578,968
Apple, Inc.	1,376,021	315,108,809
Applied Materials, Inc.	284,778	56,175,308
Arista Networks, Inc.(a)	63,974	22,607,132
ARM Holdings PLC, ADR(a)	50,358	6,691,571
Atlassian Corp., Class A(a)	70,281	11,638,534
Autodesk, Inc.(a)	49,898	12,893,643
Automatic Data Processing, Inc.	40,905	11,286,099
BILL Holdings, Inc.(a)	60,640	3,308,518
Block, Inc., Class A(a)	141,952	9,380,188
Booking Holdings, Inc.	4,421	17,282,706
Broadcom, Inc.	1,172,150	190,849,463
Cadence Design Systems, Inc.(a)	84,930	22,840,225
CDW Corp.	51,803	11,688,829
Cisco Systems, Inc.	425,761	21,517,961
Corning, Inc.	211,101	8,834,577
CoStar Group, Inc.(a)	101,023	7,809,078
Crowdstrike Holdings, Inc., Class A(a)	120,780	33,489,878
Datadog, Inc., Class A(a)	57,885	6,729,710
Dell Technologies, Inc.	66,437	7,676,131
DoorDash, Inc., Class A(a)	44,196	5,688,467
Dynatrace, Inc.(a)	68,944	3,489,945
Eaton Corp. PLC	20,218	6,205,511
Electronic Arts, Inc.	51,594	7,833,001
Fidelity National Information Services, Inc.	83,789	6,908,403
First Solar, Inc.(a)	18,085	4,111,986
Fiserv, Inc.(a)	81,439	14,219,249
Fortinet, Inc.(a)	86,251	6,616,314
Global Payments, Inc.	60,850	6,754,958
GoDaddy, Inc., Class A(a)	55,524	9,295,273
HP, Inc.	102,487	3,707,980
HubSpot, Inc.(a)	25,380	12,666,397
Intel Corp.	337,214	7,432,197
Intuit, Inc.	67,516	42,552,634
Keysight Technologies, Inc.(a)	46,872	7,223,913

The accompanying Notes to Financial Statements are an integral part of this statement.

Columbia Global Technology Growth Fund  | 2024

3

Portfolio of Investments (continued) August 31, 2024

Common Stocks (continued)
Issuer	Shares	Value ($)
KLA Corp.	29,710	24,345,265
Lam Research Corp.	122,341	100,443,184
Marvell Technology, Inc.	372,457	28,396,122
MasterCard, Inc., Class A	118,907	57,472,509
Meta Platforms, Inc., Class A	162,909	84,926,091
Microchip Technology, Inc.	148,031	12,162,227
Micron Technology, Inc.	226,845	21,831,563
Microsoft Corp.	749,409	312,608,470
MongoDB, Inc.(a)	32,599	9,479,463
Monolithic Power Systems, Inc.	9,525	8,902,827
Motorola Solutions, Inc.	51,958	22,967,514
MSCI, Inc.	15,154	8,798,261
NetApp, Inc.	150,646	18,185,985
Netflix, Inc.(a)	39,383	27,621,267
NVIDIA Corp.	3,846,010	459,098,214
ON Semiconductor Corp.(a)	39,217	3,053,828
Oracle Corp.	275,719	38,956,338
Palo Alto Networks, Inc.(a)	77,176	27,993,279
Paycom Software, Inc.	24,968	4,064,291
Pure Storage, Inc., Class A(a)	152,984	7,846,549
QUALCOMM, Inc.	137,502	24,104,101
Reddit, Inc., Class A(a)	96,003	5,763,060
Salesforce, Inc.	129,484	32,746,504
SBA Communications Corp.	24,625	5,581,503
ServiceNow, Inc.(a)	43,600	37,278,000
Shift4 Payments, Inc., Class A(a)	48,359	4,018,633
Snowflake, Inc., Class A(a)	74,089	8,463,186
Spotify Technology SA(a)	19,905	6,825,026

Common Stocks (continued)
Issuer	Shares	Value ($)
Synopsys, Inc.(a)	148,194	76,998,639
Take-Two Interactive Software, Inc.(a)	45,501	7,357,967
TE Connectivity Ltd.	75,545	11,603,712
Tesla, Inc.(a)	53,232	11,397,504
Texas Instruments, Inc.	89,618	19,208,722
T-Mobile US, Inc.	73,765	14,658,581
Trade Desk, Inc. (The), Class A(a)	113,800	11,895,514
Tyler Technologies, Inc.(a)	16,599	9,758,054
Uber Technologies, Inc.(a)	394,783	28,870,481
VeriSign, Inc.(a)	41,448	7,622,287
Visa, Inc., Class A	233,297	64,476,292
Visteon Corp.(a)	59,254	5,998,282
Walt Disney Co. (The)	91,330	8,254,405
Western Digital Corp.(a)	98,950	6,490,131
Workday, Inc., Class A(a)	20,012	5,266,958
Zscaler, Inc.(a)	34,715	6,942,306
Total		3,047,810,982
Total Common Stocks (Cost $891,726,073)		3,354,419,791
Money Market Funds 2.2%
	Shares	Value ($)
Columbia Short-Term Cash Fund, 5.521%(b),(c)	77,221,821	77,206,376
Total Money Market Funds (Cost $77,193,580)		77,206,376
Total Investments in Securities (Cost $968,919,653)		3,431,626,167
Other Assets & Liabilities, Net		(703,035 )
Net Assets		$3,430,923,132

Notes to Portfolio of Investments 

(a)	Non-income producing investment.
(b)	The rate shown is the seven-day current annualized yield at August 31, 2024.
(c)	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 year ended August 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, 5.521%
	36,781,231	220,109,392	(179,690,569 )	6,322	77,206,376	(185 )	2,897,966	77,221,821

The accompanying Notes to Financial Statements are an integral part of this statement.

4

Columbia Global Technology Growth Fund  | 2024

Portfolio of Investments (continued) August 31, 2024

Abbreviation Legend 

ADR American Depositary Receipt

Fair value measurements  

The Fund categorizes its fair value measurements according to a three-level hierarchy that maximizes the use of observable inputs and minimizes the use of unobservable inputs by prioritizing that the most observable input be used when available. Observable inputs are those that market participants would use in pricing an investment based on market data obtained from sources independent of the reporting entity. Unobservable inputs are those that reflect the Fund’s assumptions about the information market participants would use in pricing an investment. An investment’s level within the fair value hierarchy is based on the lowest level of any input that is deemed significant to the asset’s or liability’s fair value measurement. The input levels are not necessarily an indication of the risk or liquidity associated with investments at that level. For example, certain U.S. government securities are generally high quality and liquid, however, they are reflected as Level 2 because the inputs used to determine fair value may not always be quoted prices in an active market.

Fair value inputs are summarized in the three broad levels listed below:

■

 Level 1 — Valuations based on quoted prices for investments in active markets that the Fund has the ability to access at the measurement date.  Valuation adjustments are not applied to Level 1 investments.

■

 Level 2 — Valuations based on other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.).

■

 Level 3 — Valuations based on significant unobservable inputs (including the Fund’s own assumptions and judgment in determining the fair value of investments).

Inputs that are used in determining fair value of an investment may include price information, credit data, volatility statistics, and other factors. These inputs can be either observable or unobservable. The availability of observable inputs can vary between investments, and is affected by various factors such as the type of investment, and the volume and level of activity for that investment or similar investments in the marketplace. The inputs will be considered by the Investment Manager, along with any other relevant factors in the calculation of an investment’s fair value. The Fund uses prices and inputs that are current as of the measurement date, which may include periods of market dislocations. During these periods, the availability of prices and inputs may be reduced for many investments. This condition could cause an investment to be reclassified between the various levels within the hierarchy.

Foreign equity securities actively traded in markets where there is a significant delay in the local close relative to the New York Stock Exchange are classified as Level 2. The values of these securities may include an adjustment to reflect the impact of market movements following the close of local trading, as described in Note 2 to the financial statements – Security valuation.

Investments falling into the Level 3 category are primarily supported by quoted prices from brokers and dealers participating in the market for those investments. However, these may be classified as Level 3 investments due to lack of market transparency and corroboration to support these quoted prices. Additionally, valuation models may be used as the pricing source for any remaining investments classified as Level 3. These models may rely on one or more significant unobservable inputs and/or significant assumptions by the Investment Manager. Inputs used in valuations may include, but are not limited to, financial statement analysis, capital account balances, discount rates and estimated cash flows, and comparable company data.

The Fund’s Board of Trustees (the Board) has designated the Investment Manager, through its Valuation Committee (the Committee), as valuation designee, responsible for determining the fair value of the assets of the Fund for which market quotations are not readily available using valuation procedures approved by the Board. The Committee consists of voting and non-voting members from various groups within the Investment Manager’s organization, including operations and accounting, trading and investments, compliance, risk management and legal.

The Committee meets at least monthly to review and approve valuation matters, which may include a description of specific valuation determinations, data regarding pricing information received from approved pricing vendors and brokers and the results of Board-approved valuation policies and procedures (the Policies). The Policies address, among other things, instances when market quotations are or are not readily available, including recommendations of third party pricing vendors and a determination of appropriate pricing methodologies; events that require specific valuation determinations and assessment of fair value techniques; securities with a potential for stale pricing, including those that are illiquid, restricted, or in default; and the effectiveness of third party pricing vendors, including periodic reviews of vendors. The Committee meets more frequently, as needed, to discuss additional valuation matters, which may include the need to review back-testing results, review time-sensitive information or approve related valuation actions. Representatives of Columbia Management Investment Advisers, LLC report to the Board at each of its regularly scheduled meetings to discuss valuation matters and actions during the period, similar to those described earlier.

The following table is a summary of the inputs used to value the Fund’s investments at August 31, 2024: 

	Level 1 ($)	Level 2 ($)	Level 3 ($)	Total ($)
Investments in Securities
Common Stocks
Canada	18,958,513	—	—	18,958,513
China	1,259,601	1,789,647	—	3,049,248
France	—	5,437,796	—	5,437,796
Germany	12,513,363	—	—	12,513,363
Japan	—	16,334,272	—	16,334,272
Netherlands	109,259,346	—	—	109,259,346
South Korea	—	25,416,169	—	25,416,169
Switzerland	9,265,436	—	—	9,265,436
Taiwan	81,979,195	—	—	81,979,195
United Kingdom	5,885,676	18,509,795	—	24,395,471
United States	3,047,810,982	—	—	3,047,810,982
Total Common Stocks	3,286,932,112	67,487,679	—	3,354,419,791
Money Market Funds	77,206,376	—	—	77,206,376
Total Investments in Securities	3,364,138,488	67,487,679	—	3,431,626,167

The accompanying Notes to Financial Statements are an integral part of this statement.

Columbia Global Technology Growth Fund  | 2024

5

Portfolio of Investments (continued) August 31, 2024

Fair value measurements   (continued)

See the Portfolio of Investments for all investment classifications not indicated in the table.

The Fund’s assets assigned to the Level 2 input category are generally valued using the market approach, in which a security’s value is determined through reference to prices and information from market transactions for similar or identical assets. These assets include certain foreign securities for which a third party statistical pricing service may be employed for purposes of fair market valuation. The model utilized by such third party statistical pricing service takes into account a security’s correlation to available market data including, but not limited to, intraday index, ADR, and exchange-traded fund movements.

The accompanying Notes to Financial Statements are an integral part of this statement.

6

Columbia Global Technology Growth Fund  | 2024

Statement of Assets and Liabilities August 31, 2024

Assets
Investments in securities, at value
Unaffiliated issuers (cost $891,726,073)	$3,354,419,791
Affiliated issuers (cost $77,193,580)	77,206,376
Receivable for:
Capital shares sold	1,860,318
Dividends	1,588,066
Foreign tax reclaims	35,362
Prepaid expenses	23,194
Deferred compensation of board members	151,420
Total assets	3,435,284,527
Liabilities
Payable for:
Capital shares redeemed	3,734,296
Management services fees	73,180
Distribution and/or service fees	10,818
Transfer agent fees	257,036
Compensation of board members	4,691
Other expenses	67,125
Deferred compensation of board members	214,249
Total liabilities	4,361,395
Net assets applicable to outstanding capital stock	$3,430,923,132
Represented by
Paid in capital	947,206,689
Total distributable earnings (loss)	2,483,716,443
Total - representing net assets applicable to outstanding capital stock	$3,430,923,132
Class A
Net assets	$843,653,314
Shares outstanding	10,428,991
Net asset value per share	$80.90
Maximum sales charge	5.75%
Maximum offering price per share (calculated by dividing the net asset value per share by 1.0 minus the maximum sales charge for Class A shares)	$85.84
Advisor Class
Net assets	$164,356,450
Shares outstanding	1,892,678
Net asset value per share	$86.84
Class C
Net assets	$190,129,994
Shares outstanding	2,757,117
Net asset value per share	$68.96
Institutional Class
Net assets	$1,306,800,824
Shares outstanding	15,282,019
Net asset value per share	$85.51
Institutional 2 Class
Net assets	$277,911,211
Shares outstanding	3,170,503
Net asset value per share	$87.66
Institutional 3 Class
Net assets	$648,071,339
Shares outstanding	7,357,329
Net asset value per share	$88.09

The accompanying Notes to Financial Statements are an integral part of this statement.

Columbia Global Technology Growth Fund  | 2024

7

Statement of Operations Year Ended August 31, 2024

Net investment income
Income:
Dividends — unaffiliated issuers	$18,344,191
Dividends — affiliated issuers	2,897,966
Interfund lending	327
Foreign taxes withheld	(550,990 )
Total income	20,691,494
Expenses:
Management services fees	23,443,760
Distribution and/or service fees
Class A	1,837,413
Class C	1,766,303
Transfer agent fees
Class A	781,210
Advisor Class	155,807
Class C	187,834
Institutional Class	1,188,889
Institutional 2 Class	133,611
Institutional 3 Class	31,373
Custodian fees	30,531
Printing and postage fees	112,941
Registration fees	155,478
Accounting services fees	34,153
Legal fees	42,426
Compensation of chief compliance officer	498
Compensation of board members	41,295
Deferred compensation of board members	17,486
Other	53,303
Total expenses	30,014,311
Expense reduction	(260 )
Total net expenses	30,014,051
Net investment loss	(9,322,557 )
Realized and unrealized gain (loss) — net
Net realized gain (loss) on:
Investments — unaffiliated issuers	57,130,303
Investments — affiliated issuers	(185 )
Foreign currency translations	10,375
Net realized gain	57,140,493
Net change in unrealized appreciation (depreciation) on:
Investments — unaffiliated issuers	788,836,414
Investments — affiliated issuers	6,322
Foreign currency translations	3,883
Net change in unrealized appreciation (depreciation)	788,846,619
Net realized and unrealized gain	845,987,112
Net increase in net assets resulting from operations	$836,664,555

The accompanying Notes to Financial Statements are an integral part of this statement.

8

Columbia Global Technology Growth Fund  | 2024

Statement of Changes in Net Assets

	Year Ended August 31, 2024	Year Ended August 31, 2023
Operations
Net investment loss	$(9,322,557 )	$(4,446,686 )
Net realized gain	57,140,493	56,846,394
Net change in unrealized appreciation (depreciation)	788,846,619	497,130,388
Net increase in net assets resulting from operations	836,664,555	549,530,096
Distributions to shareholders
Net investment income and net realized gains
Class A	(15,693,336 )	(15,587,900 )
Advisor Class	(2,905,242 )	(2,386,035 )
Class C	(4,583,626 )	(5,046,799 )
Institutional Class	(22,739,082 )	(22,467,282 )
Institutional 2 Class	(4,680,068 )	(4,364,437 )
Institutional 3 Class	(10,354,003 )	(10,547,931 )
Total distributions to shareholders	(60,955,357 )	(60,400,384 )
Increase (decrease) in net assets from capital stock activity	166,793,772	(161,139,874 )
Total increase in net assets	942,502,970	327,989,838
Net assets at beginning of year	2,488,420,162	2,160,430,324
Net assets at end of year	$3,430,923,132	$2,488,420,162

The accompanying Notes to Financial Statements are an integral part of this statement.

Columbia Global Technology Growth Fund  | 2024

9

Statement of Changes in Net Assets  (continued)

	Year Ended		Year Ended
	August 31, 2024		August 31, 2023
	Shares	Dollars ($)	Shares	Dollars ($)
Capital stock activity
Class A
Shares sold	2,203,558	156,693,297	1,548,809	81,355,344
Distributions reinvested	216,823	14,314,634	311,437	14,017,782
Shares redeemed	(2,039,636 )	(143,658,254 )	(2,258,385 )	(118,177,699 )
Net increase (decrease)	380,745	27,349,677	(398,139 )	(22,804,573 )
Advisor Class
Shares sold	865,825	64,174,310	566,466	31,663,955
Distributions reinvested	38,129	2,697,265	47,968	2,304,404
Shares redeemed	(637,543 )	(50,952,179 )	(605,150 )	(32,663,039 )
Net increase	266,411	15,919,396	9,284	1,305,320
Class C
Shares sold	469,418	28,448,652	277,908	12,683,420
Distributions reinvested	77,786	4,401,123	122,951	4,797,557
Shares redeemed	(820,348 )	(49,817,193 )	(868,424 )	(37,928,945 )
Net decrease	(273,144 )	(16,967,418 )	(467,565 )	(20,447,968 )
Institutional Class
Shares sold	3,207,463	244,457,216	2,545,848	139,783,376
Distributions reinvested	292,182	20,353,409	421,361	19,938,807
Shares redeemed	(2,800,797 )	(208,682,432 )	(3,926,739 )	(205,161,213 )
Net increase (decrease)	698,848	56,128,193	(959,530 )	(45,439,030 )
Institutional 2 Class
Shares sold	873,500	67,041,265	805,090	45,269,348
Distributions reinvested	65,558	4,679,562	90,090	4,363,940
Shares redeemed	(653,766 )	(50,656,539 )	(865,275 )	(47,816,036 )
Net increase	285,292	21,064,288	29,905	1,817,252
Institutional 3 Class
Shares sold	2,027,388	161,010,435	1,335,685	76,884,977
Distributions reinvested	104,706	7,508,445	150,883	7,337,420
Shares redeemed	(1,361,368 )	(105,219,244 )	(3,009,027 )	(159,793,272 )
Net increase (decrease)	770,726	63,299,636	(1,522,459 )	(75,570,875 )
Total net increase (decrease)	2,128,878	166,793,772	(3,308,504 )	(161,139,874 )

The accompanying Notes to Financial Statements are an integral part of this statement.

10

Columbia Global Technology Growth Fund  | 2024

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Columbia Global Technology Growth Fund  | 2024

11

Financial Highlights

The following table is intended to help you understand the Fund’s financial performance. Certain information reflects financial results for a single share of a class held for the periods shown. Per share net investment income (loss) amounts are calculated based on average shares outstanding during the period. Total return assumes reinvestment of all dividends and distributions, if any. Total return does not reflect payment of sales charges, if any. Total return and portfolio turnover are not annualized for periods of less than one year. The ratios of expenses and net investment income are annualized for periods of less than one year. The portfolio turnover rate is calculated without regard to purchase and sales transactions of short-term instruments and certain derivatives, if any. If such transactions were included, the Fund’s portfolio turnover rate may be higher.  

	Net asset value, beginning of period	Net investment income (loss)	Net realized and unrealized gain (loss)	Total from investment operations	Distributions from net realized gains	Total distributions to shareholders
Class A
Year Ended 8/31/2024	$62.21	(0.33 )	20.59	20.26	(1.57 )	(1.57 )
Year Ended 8/31/2023	$49.88	(0.18 )	14.05	13.87	(1.54 )	(1.54 )
Year Ended 8/31/2022	$68.96	(0.31 )	(15.91 )	(16.22 )	(2.86 )	(2.86 )
Year Ended 8/31/2021	$52.81	(0.34 )	17.02	16.68	(0.53 )	(0.53 )
Year Ended 8/31/2020	$35.69	(0.14 )	17.76	17.62	(0.50 )	(0.50 )
Advisor Class
Year Ended 8/31/2024	$66.51	(0.17 )	22.07	21.90	(1.57 )	(1.57 )
Year Ended 8/31/2023	$53.08	(0.06 )	15.03	14.97	(1.54 )	(1.54 )
Year Ended 8/31/2022	$73.19	(0.18 )	(16.90 )	(17.08 )	(3.03 )	(3.03 )
Year Ended 8/31/2021	$55.95	(0.20 )	18.04	17.84	(0.60 )	(0.60 )
Year Ended 8/31/2020	$37.69	(0.04 )	18.80	18.76	(0.50 )	(0.50 )
Class C
Year Ended 8/31/2024	$53.63	(0.74 )	17.64	16.90	(1.57 )	(1.57 )
Year Ended 8/31/2023	$43.55	(0.49 )	12.11	11.62	(1.54 )	(1.54 )
Year Ended 8/31/2022	$60.51	(0.67 )	(13.93 )	(14.60 )	(2.36 )	(2.36 )
Year Ended 8/31/2021	$46.75	(0.69 )	14.98	14.29	(0.53 )	(0.53 )
Year Ended 8/31/2020	$31.88	(0.40 )	15.77	15.37	(0.50 )	(0.50 )
Institutional Class
Year Ended 8/31/2024	$65.51	(0.16 )	21.73	21.57	(1.57 )	(1.57 )
Year Ended 8/31/2023	$52.31	(0.06 )	14.80	14.74	(1.54 )	(1.54 )
Year Ended 8/31/2022	$72.17	(0.17 )	(16.66 )	(16.83 )	(3.03 )	(3.03 )
Year Ended 8/31/2021	$55.18	(0.20 )	17.79	17.59	(0.60 )	(0.60 )
Year Ended 8/31/2020	$37.17	(0.04 )	18.55	18.51	(0.50 )	(0.50 )
Institutional 2 Class
Year Ended 8/31/2024	$67.08	(0.13 )	22.28	22.15	(1.57 )	(1.57 )
Year Ended 8/31/2023	$53.50	(0.03 )	15.15	15.12	(1.54 )	(1.54 )
Year Ended 8/31/2022	$73.74	(0.14 )	(17.03 )	(17.17 )	(3.07 )	(3.07 )
Year Ended 8/31/2021	$56.36	(0.17 )	18.18	18.01	(0.63 )	(0.63 )
Year Ended 8/31/2020	$37.94	(0.01 )	18.93	18.92	(0.50 )	(0.50 )

The accompanying Notes to Financial Statements are an integral part of this statement.

12

Columbia Global Technology Growth Fund  | 2024

Financial Highlights (continued)

	Net asset value, end of period	Total return	Total gross expense ratio to average net assets(a)	Total net expense ratio to average net assets(a),(b)	Net investment income (loss) ratio to average net assets	Portfolio turnover	Net assets, end of period (000’s)
Class A
Year Ended 8/31/2024	$80.90	33.13%	1.17%	1.17% (c)	(0.47% )	7%	$843,653
Year Ended 8/31/2023	$62.21	28.98%	1.19%	1.19% (c)	(0.35% )	7%	$625,054
Year Ended 8/31/2022	$49.88	(24.57% )	1.18%	1.18% (c)	(0.52% )	8%	$521,027
Year Ended 8/31/2021	$68.96	31.80%	1.18%	1.18% (c)	(0.57% )	18%	$733,206
Year Ended 8/31/2020	$52.81	49.88%	1.22%	1.22% (c)	(0.35% )	12%	$542,684
Advisor Class
Year Ended 8/31/2024	$86.84	33.46%	0.92%	0.92% (c)	(0.22% )	7%	$164,356
Year Ended 8/31/2023	$66.51	29.31%	0.94%	0.94% (c)	(0.10% )	7%	$108,156
Year Ended 8/31/2022	$53.08	(24.38% )	0.92%	0.92% (c)	(0.27% )	8%	$85,831
Year Ended 8/31/2021	$73.19	32.12%	0.93%	0.93% (c)	(0.32% )	18%	$149,110
Year Ended 8/31/2020	$55.95	50.26%	0.97%	0.97% (c)	(0.10% )	12%	$228,489
Class C
Year Ended 8/31/2024	$68.96	32.15%	1.92%	1.92% (c)	(1.22% )	7%	$190,130
Year Ended 8/31/2023	$53.63	28.00%	1.94%	1.94% (c)	(1.10% )	7%	$162,520
Year Ended 8/31/2022	$43.55	(25.12% )	1.92%	1.92% (c)	(1.27% )	8%	$152,317
Year Ended 8/31/2021	$60.51	30.80%	1.93%	1.93% (c)	(1.32% )	18%	$242,186
Year Ended 8/31/2020	$46.75	48.77%	1.97%	1.97% (c)	(1.10% )	12%	$207,808
Institutional Class
Year Ended 8/31/2024	$85.51	33.47%	0.92%	0.92% (c)	(0.22% )	7%	$1,306,801
Year Ended 8/31/2023	$65.51	29.30%	0.94%	0.94% (c)	(0.10% )	7%	$955,376
Year Ended 8/31/2022	$52.31	(24.38% )	0.92%	0.92% (c)	(0.27% )	8%	$813,076
Year Ended 8/31/2021	$72.17	32.11%	0.93%	0.93% (c)	(0.32% )	18%	$1,418,896
Year Ended 8/31/2020	$55.18	50.29%	0.97%	0.97% (c)	(0.10% )	12%	$1,143,613
Institutional 2 Class
Year Ended 8/31/2024	$87.66	33.55%	0.87%	0.87%	(0.17% )	7%	$277,911
Year Ended 8/31/2023	$67.08	29.36%	0.88%	0.88%	(0.05% )	7%	$193,554
Year Ended 8/31/2022	$53.50	(24.33% )	0.87%	0.87%	(0.22% )	8%	$152,756
Year Ended 8/31/2021	$73.74	32.20%	0.87%	0.87%	(0.26% )	18%	$237,884
Year Ended 8/31/2020	$56.36	50.35%	0.90%	0.90%	(0.03% )	12%	$184,262

The accompanying Notes to Financial Statements are an integral part of this statement.

Columbia Global Technology Growth Fund  | 2024

13

Financial Highlights (continued)

	Net asset value, beginning of period	Net investment income (loss)	Net realized and unrealized gain (loss)	Total from investment operations	Distributions from net realized gains	Total distributions to shareholders
Institutional 3 Class
Year Ended 8/31/2024	$67.37	(0.09 )	22.38	22.29	(1.57 )	(1.57 )
Year Ended 8/31/2023	$53.70	0.00 (d)	15.21	15.21	(1.54 )	(1.54 )
Year Ended 8/31/2022	$74.00	(0.11 )	(17.09 )	(17.20 )	(3.10 )	(3.10 )
Year Ended 8/31/2021	$56.55	(0.14 )	18.25	18.11	(0.66 )	(0.66 )
Year Ended 8/31/2020	$38.04	0.01	19.00	19.01	(0.50 )	(0.50 )

Notes to Financial Highlights
(a)	In addition to the fees and expenses that the Fund bears directly, the Fund indirectly bears a pro rata share of the fees and expenses of any other funds in which it invests. Such indirect expenses are not included in the Fund’s reported expense ratios.
(b)	Total net expenses include the impact of certain fee waivers/expense reimbursements made by the Investment Manager and certain of its affiliates, if applicable.
(c)	The benefits derived from expense reductions had an impact of less than 0.01%.
(d)	Rounds to zero.

The accompanying Notes to Financial Statements are an integral part of this statement.

14

Columbia Global Technology Growth Fund  | 2024

Financial Highlights (continued)

	Net asset value, end of period	Total return	Total gross expense ratio to average net assets(a)	Total net expense ratio to average net assets(a),(b)	Net investment income (loss) ratio to average net assets	Portfolio turnover	Net assets, end of period (000’s)
Institutional 3 Class
Year Ended 8/31/2024	$88.09	33.61%	0.82%	0.82%	(0.12% )	7%	$648,071
Year Ended 8/31/2023	$67.37	29.42%	0.83%	0.83%	0.00% (d)	7%	$443,760
Year Ended 8/31/2022	$53.70	(24.29% )	0.82%	0.82%	(0.16% )	8%	$435,424
Year Ended 8/31/2021	$74.00	32.27%	0.82%	0.82%	(0.21% )	18%	$446,103
Year Ended 8/31/2020	$56.55	50.46%	0.85%	0.85%	0.02%	12%	$250,485

The accompanying Notes to Financial Statements are an integral part of this statement.

Columbia Global Technology Growth Fund  | 2024

15

Notes to Financial Statements August 31, 2024

Note 1. Organization

Columbia Global Technology Growth Fund (the Fund), a series of Columbia Funds Series Trust I (the Trust), is a diversified fund. The Trust is registered under the Investment Company Act of 1940, as amended (the 1940 Act), as an open-end management investment company organized as a Massachusetts business trust.

Fund shares

The Trust may issue an unlimited number of shares (without par value). The Fund offers each of the share classes listed in the Statement of Assets and Liabilities. Although all share classes generally have identical voting, dividend and liquidation rights, each share class votes separately when required by the Trust’s organizational documents or by law. Each share class has its own expense and sales charge structure. Different share classes may have different minimum initial investment amounts and pay different net investment income distribution amounts to the extent the expenses of distributing such share classes vary. Distributions to shareholders in a liquidation will be proportional to the net asset value of each share class.

As described in the Fund’s prospectus, Class A and Class C shares are offered to the general public for investment. Class C shares automatically convert to Class A shares after 8 years. Advisor Class, Institutional Class, Institutional 2 Class and Institutional 3 Class shares are available for purchase through authorized investment professionals to omnibus retirement plans or to institutional investors and to certain other investors as also described in the Fund’s prospectus.

The Board of Trustees of the Fund approved a proposal to permit the exchange of Institutional Class shares held by certain financial intermediaries and omnibus group retirement plans, with specific permission from Columbia Management Investment Distributors, Inc., for newly created Class S shares, which commenced operations on October 2, 2024. Effective on October 4, 2024, shares held by those certain Institutional Class shareholders of the Fund were exchanged for Class S shares of the Fund. This was a tax-free transaction for existing Institutional Class shareholders.

In addition, the Board of Trustees of the Fund approved the conversion of all Advisor Class shares of the Fund to Institutional Class shares of the Fund and the subsequent elimination of Advisor Class shares. Effective on November 22, 2024, Advisor Class shares of the Fund will be converted to Institutional Class shares of the Fund. This will be a tax-free transaction for existing Advisor Class shareholders.

Note 2. Summary of significant accounting policies

Basis of preparation

The Fund is an investment company that applies the accounting and reporting guidance in the Financial Accounting Standards Board (FASB) Accounting Standards Codification Topic 946, Financial Services - Investment Companies (ASC 946). The financial statements are prepared in accordance with U.S. generally accepted accounting principles (GAAP), which requires management to make certain estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of income and expenses during the reporting period. Actual results could differ from those estimates.

The following is a summary of significant accounting policies followed by the Fund in the preparation of its financial statements.

Security valuation

Equity securities listed on an exchange are valued at the closing price or last trade price on their primary exchange at the close of business of the New York Stock Exchange. Securities with a closing price not readily available or not listed on any exchange are valued at the mean between the closing bid and ask prices. Listed preferred stocks convertible into common stocks are valued using an evaluated price from a pricing service.

Foreign equity securities are valued based on the closing price or last trade price on their primary exchange at the close of business of the New York Stock Exchange. If any foreign equity security closing prices are not readily available, the securities are valued at the mean of the latest quoted bid and ask prices on such exchanges or markets. Foreign currency exchange rates are determined at the scheduled closing time of the New York Stock Exchange. Many securities markets and exchanges outside the U.S. close prior to the close of the New York Stock Exchange; therefore, the closing prices for

16

Columbia Global Technology Growth Fund  | 2024

Notes to Financial Statements (continued) August 31, 2024

securities in such markets or on such exchanges may not fully reflect events that occur after such close but before the close of the New York Stock Exchange. In those situations, foreign securities will be fair valued pursuant to a policy approved by the Board of Trustees. Under the policy, the Fund may utilize a third-party pricing service to determine these fair values. The third-party pricing service takes into account multiple factors, including, but not limited to, movements in the U.S. securities markets, certain depositary receipts, futures contracts and foreign exchange rates that have occurred subsequent to the close of the foreign exchange or market, to determine a good faith estimate that reasonably reflects the current market conditions as of the close of the New York Stock Exchange. The fair value of a security is likely to be different from the quoted or published price, if available.

Investments in open-end investment companies (other than exchange-traded funds (ETFs)), are valued at the latest net asset value reported by those companies as of the valuation time.

Investments for which market quotations are not readily available, or that have quotations which management believes are not reflective of market value or reliable, are valued at fair value as determined in good faith under procedures approved by the Board of Trustees. If a security or class of securities (such as foreign securities) is valued at fair value, such value is likely to be different from the quoted or published price for the security, if available.

The determination of fair value often requires significant judgment. To determine fair value, management may use assumptions including but not limited to future cash flows and estimated risk premiums. Multiple inputs from various sources may be used to determine fair value.

GAAP requires disclosure regarding the inputs and valuation techniques used to measure fair value and any changes in valuation inputs or techniques. In addition, investments shall be disclosed by major category. This information is disclosed following the Fund’s Portfolio of Investments.

Foreign currency transactions and translations

The values of all assets and liabilities denominated in foreign currencies are generally translated into U.S. dollars at exchange rates determined at the close of regular trading on the New York Stock Exchange. Net realized and unrealized gains (losses) on foreign currency transactions and translations include gains (losses) arising from the fluctuation in exchange rates between trade and settlement dates on securities transactions, gains (losses) arising from the disposition of foreign currency and currency gains (losses) between the accrual and payment dates on dividends, interest income and foreign withholding taxes.

For financial statement purposes, the Fund does not distinguish that portion of gains (losses) on investments which is due to changes in foreign exchange rates from that which is due to changes in market prices of the investments. Such fluctuations are included with the net realized and unrealized gains (losses) on investments in the Statement of Operations.

Security transactions

Security transactions are accounted for on the trade date. Cost is determined and gains (losses) are based upon the specific identification method for both financial statement and federal income tax purposes.

Income recognition

Corporate actions and dividend income are generally recorded net of any non-reclaimable tax withholdings, on the ex-dividend date or upon receipt of an ex-dividend notification in the case of certain foreign securities.

The Fund may receive distributions from holdings in equity securities, business development companies (BDCs), exchange-traded funds (ETFs), limited partnerships (LPs), other regulated investment companies (RICs), and real estate investment trusts (REITs), which report information as to the tax character of their distributions annually. These distributions are allocated to dividend income, capital gain and return of capital based on actual information reported. Return of capital is recorded as a reduction of the cost basis of securities held. If the Fund no longer owns the applicable securities, return of capital is recorded as a realized gain. With respect to REITs, to the extent actual information has not yet been reported, estimates for return of capital are made by Columbia Management Investment Advisers, LLC (the Investment Manager), a

Columbia Global Technology Growth Fund  | 2024

17

Notes to Financial Statements (continued) August 31, 2024

wholly-owned subsidiary of Ameriprise Financial, Inc. (Ameriprise Financial). The Investment Manager’s estimates are subsequently adjusted when the actual character of the distributions is disclosed by the REITs, which could result in a proportionate change in return of capital to shareholders.

Awards from class action litigation are recorded as a reduction of cost basis if the Fund still owns the applicable securities on the payment date. If the Fund no longer owns the applicable securities on the payment date, the proceeds are recorded as realized gains.

Expenses

General expenses of the Trust are allocated to the Fund and other funds of the Trust based upon relative net assets or other expense allocation methodologies determined by the nature of the expense. Expenses directly attributable to the Fund are charged to the Fund. Expenses directly attributable to a specific class of shares are charged to that share class.

Determination of class net asset value

All income, expenses (other than class-specific expenses, which are charged to that share class, as shown in the Statement of Operations) and realized and unrealized gains (losses) are allocated to each class of the Fund on a daily basis, based on the relative net assets of each class, for purposes of determining the net asset value of each class.

Federal income tax status

The Fund intends to qualify each year as a regulated investment company under Subchapter M of the Internal Revenue Code, as amended, and will distribute substantially all of its investment company taxable income and net capital gain, if any, for its tax year, and as such will not be subject to federal income taxes. In addition, the Fund intends to distribute in each calendar year substantially all of its ordinary income, capital gain net income and certain other amounts, if any, such that the Fund should not be subject to federal excise tax. Therefore, no federal income or excise tax provision is recorded.

Foreign taxes

The Fund may be subject to foreign taxes on income, gains on investments or currency repatriation, a portion of which may be recoverable. The Fund will accrue such taxes and recoveries, as applicable, based upon its current interpretation of tax rules and regulations that exist in the markets in which it invests.

Realized gains in certain countries may be subject to foreign taxes at the Fund level, based on statutory rates. The Fund accrues for such foreign taxes on realized and unrealized gains at the appropriate rate for each jurisdiction, as applicable. The amount, if any, is disclosed as a liability in the Statement of Assets and Liabilities.

Distributions to shareholders

Distributions from net investment income, if any, are declared and paid annually. Net realized capital gains, if any, are distributed at least annually. Income distributions and capital gain distributions are determined in accordance with federal income tax regulations, which may differ from GAAP.

Guarantees and indemnifications

Under the Trust’s organizational documents and, in some cases, by contract, its officers and trustees are indemnified against certain liabilities arising out of the performance of their duties to the Trust or its funds. In addition, certain of the Fund’s contracts with its service providers contain general indemnification clauses. The Fund’s maximum exposure under these arrangements is unknown since the amount of any future claims that may be made against the Fund cannot be determined, and the Fund has no historical basis for predicting the likelihood of any such claims.

Note 3. Fees and other transactions with affiliates

Management services fees

The Fund has entered into a Management Agreement with Columbia Management Investment Advisers, LLC (the Investment Manager), a wholly-owned subsidiary of Ameriprise Financial, Inc. (Ameriprise Financial). Under the Management Agreement, the Investment Manager provides the Fund with investment research and advice, as well as administrative and accounting

18

Columbia Global Technology Growth Fund  | 2024

Notes to Financial Statements (continued) August 31, 2024

services. The management services fee is an annual fee that is equal to a percentage of the Fund’s daily net assets that declines from 0.87% to 0.75% as the Fund’s net assets increase. The effective management services fee rate for the year ended August 31, 2024 was 0.80% of the Fund’s average daily net assets.

Compensation of Board members

Members of the Board of Trustees who are not officers or employees of the Investment Manager or Ameriprise Financial are compensated for their services to the Fund as disclosed in the Statement of Operations. Under a Deferred Compensation Plan (the Deferred Plan), these members of the Board of Trustees may elect to defer payment of up to 100% of their compensation. Deferred amounts are treated as though equivalent dollar amounts had been invested in shares of certain funds managed by the Investment Manager. The Fund’s liability for these amounts is adjusted for market value changes and remains in the Fund until distributed in accordance with the Deferred Plan. All amounts payable under the Deferred Plan constitute a general unsecured obligation of the Fund. The expense for the Deferred Plan, which includes Trustees’ fees deferred during the current period as well as any gains or losses on the Trustees’ deferred compensation balances as a result of market fluctuations, is included in "Deferred compensation of board members" in the Statement of Operations.

Compensation of Chief Compliance Officer

The Board of Trustees has appointed a Chief Compliance Officer for the Fund in accordance with federal securities regulations. As disclosed in the Statement of Operations, a portion of the Chief Compliance Officer’s total compensation is allocated to the Fund, along with other allocations to affiliated registered investment companies managed by the Investment Manager and its affiliates, based on relative net assets.

Transfer agency fees

Under a Transfer and Dividend Disbursing Agent Agreement, Columbia Management Investment Services Corp. (the Transfer Agent), an affiliate of the Investment Manager and a wholly-owned subsidiary of Ameriprise Financial, is responsible for providing transfer agency services to the Fund. The Transfer Agent has contracted with SS&C GIDS, Inc. (SS&C GIDS) to serve as sub-transfer agent. The Transfer Agent pays the fees of SS&C GIDS for services as sub-transfer agent and SS&C GIDS is not entitled to reimbursement for such fees from the Fund (with the exception of out-of-pocket fees).

The Fund pays the Transfer Agent a monthly transfer agency fee based on the number or the average value of accounts, depending on the type of account. In addition, the Fund pays the Transfer Agent a fee for shareholder services based on the number of accounts or on a percentage of the average aggregate value of the Fund’s shares maintained in omnibus accounts up to the lesser of the amount charged by the financial intermediary or a cap established by the Board of Trustees from time to time.

The Transfer Agent also receives compensation from the Fund for various shareholder services and reimbursements for certain out-of-pocket fees. Total transfer agency fees for Institutional 2 Class and Institutional 3 Class shares are subject to an annual limitation of not more than 0.07% and 0.02%, respectively, of the average daily net assets attributable to each share class.

For the year ended August 31, 2024, the Fund’s effective transfer agency fee rates as a percentage of average daily net assets of each class were as follows: 

	Effective rate (%)
Class A	0.11
Advisor Class	0.11
Class C	0.11
Institutional Class	0.11
Institutional 2 Class	0.06
Institutional 3 Class	0.01

Columbia Global Technology Growth Fund  | 2024

19

Notes to Financial Statements (continued) August 31, 2024

An annual minimum account balance fee of $20 may apply to certain accounts with a value below the applicable share class’s initial minimum investment requirements to reduce the impact of small accounts on transfer agency fees. These minimum account balance fees are remitted to the Fund and recorded as part of expense reductions in the Statement of Operations. For the year ended August 31, 2024, these minimum account balance fees reduced total expenses of the Fund by $260.

Distribution and service fees

The Fund has entered into an agreement with Columbia Management Investment Distributors, Inc. (the Distributor), an affiliate of the Investment Manager and a wholly-owned subsidiary of Ameriprise Financial, for distribution and shareholder services. The Board of Trustees has approved, and the Fund has adopted, distribution and shareholder service plans (the Plans) applicable to certain share classes, which set the distribution and service fees for the Fund. These fees are calculated daily and are intended to compensate the Distributor and/or eligible selling and/or servicing agents for selling shares of the Fund and providing services to investors.

Under the Plans, the Fund pays a monthly service fee to the Distributor at the maximum annual rate of 0.25% of the average daily net assets attributable to Class A and Class C shares of the Fund. Also under the Plans, the Fund pays a monthly distribution fee to the Distributor at the maximum annual rates of 0.10% and 0.75% of the average daily net assets attributable to Class A and Class C shares of the Fund, respectively.

Although the Fund may pay distribution and service fees up to a maximum annual rate of 0.35% of the Fund’s average daily net assets attributable to Class A shares (comprised of up to 0.10% for distribution services and up to 0.25% for shareholder services), the Fund currently limits such fees to an aggregate fee of not more than 0.25% of the Fund’s average daily net assets attributable to Class A shares.

Sales charges (unaudited)

Sales charges, including front-end charges and contingent deferred sales charges (CDSCs), received by the Distributor for distributing Fund shares for the year ended August 31, 2024, if any, are listed below: 

	Front End (%)	CDSC (%)	Amount ($)
Class A	5.75	0.50 - 1.00 (a)	1,253,373
Class C	—	1.00 (b)	8,438

(a)	This charge is imposed on certain investments of between $1 million and $50 million redeemed within 18 months after purchase, as follows: 1.00% if redeemed within 12 months after purchase, and 0.50% if redeemed more than 12, but less than 18, months after purchase, with certain limited exceptions.
(b)	This charge applies to redemptions within 12 months after purchase, with certain limited exceptions.

The Fund’s other share classes are not subject to sales charges.

Expenses waived/reimbursed by the Investment Manager and its affiliates

The Investment Manager and certain of its affiliates have contractually agreed to waive fees and/or reimburse expenses (excluding certain fees and expenses described below) for the period(s) disclosed below, unless sooner terminated at the sole discretion of the Board of Trustees, so that the Fund’s net operating expenses, after giving effect to fees waived/expenses reimbursed and any balance credits and/or overdraft charges from the Fund’s custodian, do not exceed the following annual rate(s) as a percentage of the classes’ average daily net assets: 

	January 1, 2024 through December 31, 2024 (%)	Prior to January 1, 2024 (%)
Class A	1.27	1.33
Advisor Class	1.02	1.08
Class C	2.02	2.08
Institutional Class	1.02	1.08
Institutional 2 Class	0.97	1.04
Institutional 3 Class	0.92	0.99

20

Columbia Global Technology Growth Fund  | 2024

Notes to Financial Statements (continued) August 31, 2024

Under the agreement governing these fee waivers and/or expense reimbursement arrangements, the following fees and expenses are excluded from the waiver/reimbursement commitment, and therefore will be paid by the Fund, if applicable: taxes (including foreign transaction taxes), expenses associated with investments in affiliated and non-affiliated pooled investment vehicles (including mutual funds and exchange-traded funds), transaction costs and brokerage commissions, costs related to any securities lending program, dividend expenses associated with securities sold short, inverse floater program fees and expenses, transaction charges and interest on borrowed money, interest, costs associated with shareholder meetings, infrequent and/or unusual expenses and any other expenses the exclusion of which is specifically approved by the Board of Trustees. This agreement may be modified or amended only with approval from the Investment Manager, certain of its affiliates and the Fund. Any fees waived and/or expenses reimbursed under the expense reimbursement arrangements described above are not recoverable by the Investment Manager or its affiliates in future periods.

Note 4. Federal tax information

The timing and character of income and capital gain distributions are determined in accordance with income tax regulations, which may differ from GAAP because of temporary or permanent book to tax differences.

At August 31, 2024, these differences were primarily due to differing treatment for deferral/reversal of wash sale losses, late-year ordinary losses, trustees’ deferred compensation, foreign currency transactions, net operating loss reclassification and earnings and profits distributed to shareholders on the redemption of shares.  To the extent these differences were permanent, reclassifications were made among the components of the Fund’s net assets. Temporary differences do not require reclassifications.

The following reclassifications were made: 

Excess of distributions over net investment income ($)	Accumulated net realized gain ($)	Paid in capital ($)
5,380,061	(3,227,382 )	(2,152,679 )

Net investment income (loss) and net realized gains (losses), as disclosed in the Statement of Operations, and net assets were not affected by this reclassification.

The tax character of distributions paid during the years indicated was as follows: 

Year Ended August 31, 2024			Year Ended August 31, 2023
Ordinary income ($)	Long-term capital gains ($)	Total ($)	Ordinary income ($)	Long-term capital gains ($)	Total ($)
—	60,955,357	60,955,357	—	60,400,384	60,400,384

Short-term capital gain distributions, if any, are considered ordinary income distributions for tax purposes.

At August 31, 2024, the components of distributable earnings on a tax basis were as follows: 

Undistributed ordinary income ($)	Undistributed long-term capital gains ($)	Capital loss carryforwards ($)	Net unrealized appreciation ($)
—	32,767,107	—	2,458,535,419

At August 31, 2024, the cost of all investments for federal income tax purposes along with the aggregate gross unrealized appreciation and depreciation based on that cost was: 

Federal tax cost ($)	Gross unrealized appreciation ($)	Gross unrealized (depreciation) ($)	Net unrealized appreciation ($)
973,090,748	2,491,703,770	(33,168,351 )	2,458,535,419

Columbia Global Technology Growth Fund  | 2024

21

Notes to Financial Statements (continued) August 31, 2024

Tax cost of investments and unrealized appreciation/(depreciation) may also include timing differences that do not constitute adjustments to tax basis.

Under current tax rules, regulated investment companies can elect to treat certain late-year ordinary losses incurred and post-October capital losses (capital losses realized after October 31) as arising on the first day of the following taxable year. As of August 31, 2024, the Fund will elect to treat the following late-year ordinary losses and post-October capital losses as arising on September 1, 2024. 

Late year ordinary losses ($)	Post-October capital losses ($)
7,375,789	—

Management of the Fund has concluded that there are no significant uncertain tax positions in the Fund that would require recognition in the financial statements. However, management’s conclusion may be subject to review and adjustment at a later date based on factors including, but not limited to, new tax laws, regulations, and administrative interpretations (including relevant court decisions). Generally, the Fund’s federal tax returns for the prior three fiscal years remain subject to examination by the Internal Revenue Service.

Note 5. Portfolio information

The cost of purchases and proceeds from sales of securities, excluding short-term investments and derivatives, if any, aggregated to $259,127,679 and $200,009,525, respectively, for the year ended August 31, 2024. The amount of purchase and sale activity impacts the portfolio turnover rate reported in the Financial Highlights.

Note 6. Affiliated money market fund

The Fund invests in Columbia Short-Term Cash Fund, an affiliated money market fund established for the exclusive use by the Fund and other affiliated funds (the Affiliated MMF). The income earned by the Fund from such investments is included as Dividends - affiliated issuers in the Statement of Operations. As an investing fund, the Fund indirectly bears its proportionate share of the expenses of the Affiliated MMF. The Affiliated MMF prices its shares with a floating net asset value. The Securities and Exchange Commission has adopted amendments to money market fund rules requiring institutional prime money market funds like the Affiliated MMF to be subject to a discretionary liquidity fee of up to 2% if the imposition of such a fee is determined to be in the best interest of the Affiliated MMF and to a mandatory liquidity fee if daily net redemptions exceed 5% of net assets.

Note 7. Interfund lending

Pursuant to an exemptive order granted by the Securities and Exchange Commission, the Fund participates in a program (the Interfund Program) allowing each participating Columbia Fund (each, a Participating Fund) to lend money directly to and, except for closed-end funds and money market funds, borrow money directly from other Participating Funds for temporary purposes. The amounts eligible for borrowing and lending under the Interfund Program are subject to certain restrictions.

Interfund loans are subject to the risk that the borrowing fund could be unable to repay the loan when due, and a delay in repayment to the lending fund could result in lost opportunities and/or additional lending costs. The exemptive order is subject to conditions intended to mitigate conflicts of interest arising from the Investment Manager’s relationship with each Participating Fund.

The Fund’s activity in the Interfund Program during the year ended August 31, 2024 was as follows: 

Borrower or lender	Average loan balance ($)	Weighted average interest rate (%)	Number of days with outstanding loans
Lender	500,000	5.88	4

Interest income earned by the Fund is recorded as Interfund lending in the Statement of Operations. The Fund had no outstanding interfund loans at August 31, 2024.

22

Columbia Global Technology Growth Fund  | 2024

Notes to Financial Statements (continued) August 31, 2024

Note 8. Line of credit

The Fund has access to a revolving credit facility with a syndicate of banks led by JPMorgan Chase Bank, N.A., Citibank, N.A. and Wells Fargo Bank, N.A. whereby the Fund may borrow for the temporary funding of shareholder redemptions or for other temporary or emergency purposes. Pursuant to an October 26, 2023 amendment and restatement, the credit facility, which is an agreement between the Fund and certain other funds managed by the Investment Manager or an affiliated investment manager, severally and not jointly, permits aggregate borrowings up to $900 million. Interest is currently charged to each participating fund based on its borrowings at a rate equal to the higher of (i) the federal funds effective rate, (ii) the secured overnight financing rate plus 0.10% and (iii) the overnight bank funding rate plus, in each case, 1.00%. Each borrowing under the credit facility matures no later than 60 days after the date of borrowing. The Fund also pays a commitment fee equal to its pro rata share of the unused amount of the credit facility at a rate of 0.15% per annum. The commitment fee is included in other expenses in the Statement of Operations. This agreement expires annually in October unless extended or renewed. Prior to the October 26, 2023 amendment and restatement, the Fund had access to a revolving credit facility with a syndicate of banks led by JPMorgan Chase Bank, N.A., Citibank, N.A. and Wells Fargo Bank, N.A. which permitted collective borrowings up to $950 million. Interest was charged to each participating fund based on its borrowings at a rate equal to the higher of (i) the federal funds effective rate, (ii) the secured overnight financing rate plus 0.10% and (iii) the overnight bank funding rate plus, in each case, 1.00%.

The Fund had no borrowings during the year ended August 31, 2024.

Note 9. Significant risks

Information technology sector risk

The Fund is vulnerable to the particular risks that may affect companies in the information technology sector. Companies in the information technology sector are subject to certain risks, including the risk that new services, equipment or technologies will not be accepted by consumers and businesses or will become rapidly obsolete. Performance of such companies may be affected by factors including obtaining and protecting patents (or the failure to do so) and significant competitive pressures, including aggressive pricing of their products or services, new market entrants, competition for market share and short product cycles due to an accelerated rate of technological developments. Such competitive pressures may lead to limited earnings and/or falling profit margins. As a result, the value of their securities may fall or fail to rise. In addition, many information technology sector companies have limited operating histories and prices of these companies’ securities historically have been more volatile than other securities, especially over the short term. Some companies in the information technology sector are facing increased government and regulatory scrutiny and may be subject to adverse government or regulatory action, which could negatively impact the value of their securities.

Market risk

The Fund may incur losses due to declines in the value of one or more securities in which it invests. These declines may be due to factors affecting a particular issuer, or the result of, among other things, political, regulatory, market, economic or social developments affecting the relevant market(s) more generally. In addition, turbulence in financial markets and reduced liquidity in equity, credit and/or fixed income markets may negatively affect many issuers, which could adversely affect the Fund’s ability to price or value hard-to-value assets in thinly traded and closed markets and could cause significant redemptions and operational challenges. Global economies and financial markets are increasingly interconnected, and conditions and events in one country, region or financial market may adversely impact issuers in a different country, region or financial market. These risks may be magnified if certain events or developments adversely interrupt the global supply chain; in these and other circumstances, such risks might affect companies worldwide. As a result, local, regional or global events such as terrorism, war, other conflicts, natural disasters, disease/virus outbreaks and epidemics or other public health issues, recessions, depressions or other events – or the potential for such events – could have a significant negative impact on global economic and market conditions.

Columbia Global Technology Growth Fund  | 2024

23

Notes to Financial Statements (continued) August 31, 2024

Note 10. Subsequent events

Management has evaluated the events and transactions that have occurred through the date the financial statements were issued. Other than as noted in Note 1 above, there were no items requiring adjustment of the financial statements or additional disclosure.

Note 11. Information regarding pending and settled legal proceedings

Ameriprise Financial and certain of its affiliates are involved in the normal course of business in legal proceedings which include regulatory inquiries, arbitration and litigation, including class actions concerning matters arising in connection with the conduct of their activities as part of a diversified financial services firm. Ameriprise Financial believes that the Fund is not currently the subject of, and that neither Ameriprise Financial nor any of its affiliates are the subject of, any pending legal, arbitration or regulatory proceedings that are likely to have a material adverse effect on the Fund or the ability of Ameriprise Financial or its affiliates to perform under their contracts with the Fund. Ameriprise Financial is required to make quarterly (10-Q), annual (10-K) and, as necessary, 8-K filings with the Securities and Exchange Commission (SEC) on legal and regulatory matters that relate to Ameriprise Financial and its affiliates. Copies of these filings may be obtained by accessing the SEC website at www.sec.gov.

There can be no assurance that these matters, or the adverse publicity associated with them, will not result in increased Fund redemptions, reduced sale of Fund shares or other adverse consequences to the Fund. Further, although we believe proceedings are not likely to have a material adverse effect on the Fund or the ability of Ameriprise Financial or its affiliates to perform under their contracts with the Fund, these proceedings are subject to uncertainties and, as such, we are unable to estimate the possible loss or range of loss that may result. An adverse outcome in one or more of these proceedings could result in adverse judgments, settlements, fines, penalties or other relief that could have a material adverse effect on the consolidated financial condition or results of operations of Ameriprise Financial or one or more of its affiliates that provide services to the Fund.

24

Columbia Global Technology Growth Fund  | 2024

Report of Independent Registered Public Accounting Firm

To the Board of Trustees of Columbia Funds Series Trust I and Shareholders of Columbia Global Technology Growth Fund

Opinion on the Financial Statements

We have audited the accompanying statement of assets and liabilities, including the portfolio of investments, of Columbia Global Technology Growth Fund (one of the funds constituting Columbia Funds Series Trust I, referred to hereafter as the "Fund") as of August 31, 2024, the related statement of operations for the year ended August 31, 2024, the statement of changes in net assets for each of the two years in the period ended August 31, 2024, including the related notes, and the financial highlights for each of the five years in the period ended August 31, 2024 (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Fund as of August 31, 2024, the results of its operations for the year then ended, the changes in its net assets for each of the two years in the period ended August 31, 2024 and the financial highlights for each of the five years in the period ended August 31, 2024 in conformity with accounting principles generally accepted in the United States of America.

Basis for Opinion

These financial statements are the responsibility of the Fund’s management. Our responsibility is to express an opinion on the Fund’s financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Fund in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits of these financial statements in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud.

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. Our procedures included confirmation of securities owned as of August 31, 2024 by correspondence with the custodian and transfer agent. We believe that our audits provide a reasonable basis for our opinion.

/s/PricewaterhouseCoopers LLP

Minneapolis, Minnesota

October 23, 2024

We have served as the auditor of one or more investment companies within the Columbia Funds Complex since 1977.

Columbia Global Technology Growth Fund  | 2024

25

 Federal Income Tax Information

(Unaudited)

The Fund hereby designates the following tax attributes for the fiscal year ended August 31, 2024. Shareholders will be notified in early 2025 of the amounts for use in preparing 2024 income tax returns.  

Capital

gain

dividend

$57,988,369

Capital gain dividend. The Fund designates as a capital gain dividend the amount reflected above, or if subsequently determined to be different, the net capital gain of such fiscal period.

26

Columbia Global Technology Growth Fund  | 2024

 Approval of Management Agreement

(Unaudited)

Columbia Management Investment Advisers, LLC (the Investment Manager, and together with its domestic and global affiliates, Columbia Threadneedle Investments), a wholly-owned subsidiary of Ameriprise Financial, Inc. (Ameriprise Financial), serves as the investment manager to Columbia Global Technology Growth Fund (the Fund). Under a management agreement (the Management Agreement), the Investment Manager provides investment advice and other services to the Fund and other funds distributed by Columbia Management Investment Distributors, Inc. (collectively, the Funds).

On an annual basis, the Fund’s Board of Trustees (the Board), including the independent Board members (the Independent Trustees), considers renewal of the Management Agreement.  The Investment Manager prepared detailed reports for the Board and its Contracts Committee (including its Contracts Subcommittee) in March, April, May and June 2024, including reports providing the results of analyses performed by a third-party data provider, Broadridge Financial Solutions, Inc. (Broadridge), and comprehensive responses by the Investment Manager to written requests for information by independent legal counsel to the Independent Trustees (Independent Legal Counsel), to assist the Board in making this determination.  In addition, throughout the year, the Board (or its committees or subcommittees) regularly meets with portfolio management teams and senior management personnel and reviews information prepared by the Investment Manager addressing the services the Investment Manager provides and Fund performance.  The Board also accords appropriate weight to the work, deliberations and conclusions of the various committees (including their subcommittees), such as the Contracts Committee, the Investment Review Committee, the Audit Committee and the Compliance Committee in determining whether to continue the Management Agreement.

The Board, at its June 27, 2024 Board meeting (the June Meeting), considered the renewal of the Management Agreement for an additional one-year term.  At the June Meeting, Independent Legal Counsel reviewed with the Independent Trustees various factors relevant to the Board’s consideration of advisory agreements and the Board’s legal responsibilities related to such consideration.  The Independent Trustees considered such information as they, their legal counsel or the Investment Manager believed reasonably necessary to evaluate and to approve the continuation of the Management Agreement.  Among other things, the information and factors considered included the following:

•

Information on the investment performance of the Fund relative to the performance of a group of mutual funds determined to be comparable to the Fund by Broadridge, as well as performance relative to one or more benchmarks; 

•

Information on the Fund’s management fees and total expenses, including information comparing the Fund’s expenses to those of a group of comparable mutual funds, as determined by Broadridge; 

•

The Investment Manager’s agreement to contractually limit or cap total operating expenses for the Fund so that total operating expenses (excluding certain fees and expenses, such as transaction costs and certain other investment related expenses, interest, taxes, acquired fund fees and expenses and infrequent and/or unusual expenses) would not exceed a specified annual rate, as a percentage of the Fund’s net assets;

•

Terms of the Management Agreement;

•

Descriptions of other agreements and arrangements with affiliates of the Investment Manager relating to the operations of the Fund, including agreements with respect to the provision of transfer agency and shareholder services to the Fund;

•

Descriptions of various services performed by the Investment Manager under the Management Agreement, including portfolio management and portfolio trading practices;

•

Information regarding any recently negotiated management fees of similarly-managed portfolios of other institutional clients of the Investment Manager;

•

Information regarding the resources of the Investment Manager, including information regarding senior management, portfolio managers and other personnel;

•

Information regarding the capabilities of the Investment Manager with respect to compliance monitoring services; 

•

The profitability to the Investment Manager and its affiliates from their relationships with the Fund; and

•

Report provided by the Board’s independent fee consultant, JDL Consultants, LLC (JDL).

Columbia Global Technology Growth Fund  | 2024

27

Approval of Management Agreement (continued) (Unaudited)

Following an analysis and discussion of the foregoing, and the factors identified below, the Board, including all of the Independent Trustees, approved the renewal of the Management Agreement.

Nature, extent and quality of services provided by the Investment Manager

The Board analyzed various reports and presentations it had received detailing the services performed by the Investment Manager, as well as its history, expertise, resources and relative capabilities, and the qualifications of its personnel.

The Board specifically considered the many developments during recent years concerning the services provided by the Investment Manager. Among other things, the Board noted the organization and depth of the equity and credit research departments. The Board further observed the enhancements to the investment risk management department’s processes, systems and oversight over the past several years.  The Board also took into account the broad scope of services provided by the Investment Manager to the Fund, including, among other services, investment, risk and compliance oversight.  The Board also took into account the information it received concerning the Investment Manager’s ability to attract and retain key portfolio management personnel and that it has sufficient resources to provide competitive and adequate compensation to investment personnel.

In connection with the Board’s evaluation of the overall package of services provided by the Investment Manager, the Board also considered the nature, quality and range of administrative services provided to the Fund by the Investment Manager, as well as the achievements in 2023 in the performance of administrative services, and noted the various enhancements anticipated for 2024.  In evaluating the quality of services provided under the Management Agreement, the Board also took into account the organization and strength of the Fund’s and its service providers’ compliance programs.  The Board also reviewed the financial condition of the Investment Manager and its affiliates and each entity’s ability to carry out its responsibilities under the Management Agreement and the Fund’s other service agreements.

In addition, the Board discussed the acceptability of the terms of the Management Agreement, noting that no changes were proposed from the form of agreement previously approved.  The Board also noted the wide array of legal and compliance services provided to the Fund under the Management Agreement.

After reviewing these and related factors (including investment performance as discussed below), the Board concluded, within the context of their overall conclusions, that the nature, extent and quality of the services provided to the Fund under the Management Agreement supported the continuation of the Management Agreement.

Investment performance

The Board carefully reviewed the investment performance of the Fund, including detailed reports providing the results of analyses performed by each of the Investment Manager, Broadridge and JDL collectively showing, for various periods (including since manager inception): (i) the performance of the Fund, (ii) the Fund’s performance relative to peers and benchmarks and (iii) the net assets of the Fund. The Board observed that the Fund’s performance for certain periods ranked above median based on information provided by Broadridge.

The Board also reviewed a description of the third-party data provider’s methodology for identifying the Fund’s peer groups for purposes of performance and expense comparisons. 

The Board also considered the Investment Manager’s performance and reputation generally.  After reviewing these and related factors, the Board concluded, within the context of their overall conclusions, that the performance of the Fund and the Investment Manager, in light of other considerations, supported the continuation of the Management Agreement. 

Comparative fees, costs of services provided and the profits realized by the Investment Manager and its affiliates from their relationships with the Fund

The Board reviewed comparative fees and the costs of services provided under the Management Agreement.  The Board members considered detailed comparative information set forth in an annual report on fees and expenses, including, among other things, data (based on analyses conducted by Broadridge and JDL) showing a comparison of the Fund’s expenses with median expenses paid by funds in its comparative peer universe, as well as data showing the Fund’s contribution to the Investment Manager’s profitability. 

28

Columbia Global Technology Growth Fund  | 2024

Approval of Management Agreement (continued) (Unaudited)

The Board considered the reports of JDL, which assisted in the Board’s analysis of the Funds’ performance and expenses and the reasonableness of the Funds’ fee rates.  The Board accorded particular weight to the notion that a primary objective of the level of fees is to achieve a rational pricing model applied consistently across the various product lines in the Fund family, while assuring that the overall fees for each Fund (with certain exceptions) are generally in line with the current “pricing philosophy” such that Fund total expense ratios, in general, approximate or are lower than the median expense ratios of funds in the same Lipper comparison universe.  The Board took into account that the Fund’s total expense ratio (after considering proposed expense caps/waivers) approximated the peer universe’s median expense ratio. 

After reviewing these and related factors, the Board concluded, within the context of their overall conclusions, that the levels of management fees and expenses of the Fund, in light of other considerations, supported the continuation of the Management Agreement.

The Board also considered the profitability of the Investment Manager and its affiliates in connection with the Investment Manager providing management services to the Fund.  With respect to the profitability of the Investment Manager and its affiliates, the Independent Trustees referred to information discussing the profitability to the Investment Manager and Ameriprise Financial from managing, operating and distributing the Funds.  The Board considered that the profitability generated by the Investment Manager in 2023 had declined from 2022 levels, due to a variety of factors, including the decreased assets under management of the Funds.  It also took into account the indirect economic benefits flowing to the Investment Manager or its affiliates in connection with managing or distributing the Funds, such as the enhanced ability to offer various other financial products to Ameriprise Financial customers, soft dollar benefits and overall reputational advantages.  The Board noted that the fees paid by the Fund should permit the Investment Manager to offer competitive compensation to its personnel, make necessary investments in its business and earn an appropriate profit.  After reviewing these and related factors, the Board concluded, within the context of their overall conclusions, that the costs of services provided and the profitability to the Investment Manager and its affiliates from their relationships with the Fund supported the continuation of the Management Agreement.

Economies of scale

The Board considered the potential existence of economies of scale in the provision by the Investment Manager of services to the Fund, and whether those economies of scale were shared with the Fund through breakpoints in investment management fees or other means, such as expense limitation arrangements and additional investments by the Investment Manager in investment, trading, compliance and other resources. The Board considered the economies of scale that might be realized as the Fund’s net asset level grows and took note of the extent to which Fund shareholders might also benefit from such growth.  In this regard, the Board took into account that management fees decline as Fund assets exceed various breakpoints, all of which have not been surpassed. The Board observed that the Management Agreement thus provides for breakpoints in the management fee rate schedule that allow opportunities for shareholders to realize lower fees as Fund assets grow and that there are additional opportunities through other means for sharing economies of scale with shareholders. 

Conclusion

The Board reviewed all of the above considerations in reaching its decision to approve the continuation of the Management Agreement.  In reaching its conclusions, no single factor was determinative. 

On June 27, 2024, the Board, including all of the Independent Trustees, determined that fees payable under the Management Agreement were fair and reasonable in light of the extent and quality of services provided and approved the renewal of the Management Agreement.

Columbia Global Technology Growth Fund  | 2024

29

[THIS PAGE INTENTIONALLY LEFT BLANK]

[THIS PAGE INTENTIONALLY LEFT BLANK]

Columbia Global Technology Growth Fund

P.O. Box 219104

Kansas City, MO 64121-9104

 

Please read and consider the investment objectives, risks, charges and expenses for any fund carefully before investing. For a prospectus and summary prospectus, which contains this and other important information about the Fund, go to
columbiathreadneedleus.com/investor/. The Fund is distributed by Columbia Management Investment Distributors, Inc., member FINRA, and managed by Columbia Management Investment Advisers, LLC.

Columbia Threadneedle Investments (Columbia Threadneedle) is the global brand name of the Columbia and Threadneedle group of companies. All rights reserved.

© 2024 Columbia Management Investment Advisers, LLC.

columbiathreadneedleus.com/investor/

ANN234_08_P01_(10/24)

Item 8. Changes in and Disagreements with Accountants for Open-End Management Investment Companies.

Not applicable.

Item 9. Proxy Disclosures for Open-End Management Investment Companies.

Not applicable.

Item 10. Remuneration Paid to Directors, Officers, and Others of Open-End Management Investment Companies.

Remuneration Paid to Directors, Officers, and Others of Open-End Management Investment Companies is included in Item 7 of this Form N-CSR.

Item 11. Statement Regarding Basis for Approval of Investment Advisory Contract.

Statement regarding basis for approval of Investment Advisory Contract is included in Item 7 of this Form N-CSR.

Item 12. Disclosure of Proxy Voting Policies and Procedures for Closed-End Management Investment Companies.

Not applicable.

Item 13. Portfolio Managers of Closed-End Management Investment Companies.

Not applicable.

Item 14. Purchases of Equity Securities by Closed-End Management Investment Company and Affiliated Purchasers.

Not applicable.

Item 15. Submission of Matters to a Vote of Security Holders.

There were no material changes to the procedures by which shareholders may recommend nominees to the registrant’s board of directors implemented since the registrant last provided disclosure as to such procedures in response to the requirements of Item 407(c)(2)(iv) of Regulation S-K or Item 15 of Form N-CSR.

Item 16. Controls and Procedures.

(a) The registrant’s principal executive officer and principal financial officer, based on their evaluation of the registrant’s disclosure controls and procedures as of a date within 90 days of the filing of this report, have concluded that such controls and procedures are adequately designed to ensure that information required to be disclosed by the registrant in Form N-CSR is accumulated and communicated to the registrant’s management, including the principal executive officer and principal financial officer, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

(b) There was no change in the registrant’s internal control over financial reporting that occurred during the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting.

Item 17. Disclosure of Securities Lending Activities for Closed-End Management Investment Companies.

Not applicable.

Item 18. Recovery of Erroneously Awarded Compensation.

Not applicable.

Item 19. Exhibits.

(a)(1) Code of ethics required to be disclosed under Item 2 of Form N-CSR attached hereto as Exhibit 99.CODE ETH.

(a)(2) Certifications pursuant to Rule 30a-2(a) under the Investment Company Act of 1940 (17 CFR 270.30a-2(a)) attached hereto as Exhibit 99.CERT.

(b) Certification pursuant to Rule 30a-2(b) under the Investment Company Act of 1940 (17 CFR 270.30a-2(b)) attached hereto as Exhibit 99.906CERT.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

(registrant)	Columbia Funds Series Trust I
By (Signature and Title)	/s/ Daniel J. Beckman
	Daniel J. Beckman, President and Principal Executive Officer
Date	October 23, 2024

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

By (Signature and Title)	/s/ Daniel J. Beckman
	Daniel J. Beckman, President and Principal Executive Officer
Date	October 23, 2024
By (Signature and Title)	/s/ Michael G. Clarke
	Michael G. Clarke, Chief Financial Officer,
	Principal Financial Officer and Senior Vice President
Date	October 23, 2024
By (Signature and Title)	/s/ Charles H. Chiesa
	Charles H. Chiesa, Treasurer, Chief Accounting
	Officer and Principal Financial Officer
Date	October 23, 2024

EX-99.CODE ETH

Fund Policy: Code of Ethics for Principal Executive & Senior Financial Officers

COLUMBIA FUNDS

WANGER ADVISORS TRUST / COLUMBIA ACORN TRUST

Applicable Regulatory Authority	Section 406 of the Sarbanes-Oxley Act of 2002;
	Item 2 of Form N-CSR
Related Policies	Overview and Implementation of Compliance Program
	Policy
Requires Annual Board Approval	No but Covered Officers Must provide annual
	certification
Last Reviewed by AMC	September 2024

Overview and Statement

Item 2 of Form N-CSR, the form used by registered management investment companies to file certified annual and semi-annual shareholder reports, requires a registered management investment company to disclose:

•Whether it has adopted a code of ethics that applies to the investment company’s principal executive officer and senior financial officers and, if it has not adopted such a code of ethics, why it has not done so; and

•Any amendments to, or waivers from, the code of ethics relating to such officers.

The Boards (the Board of the Columbia Funds (“Columbia Board”) and the Boards of the Columbia Acorn Trust (“CAT”) and the Wanger Advisors Trust (“WAT”) (collectively, “Columbia Acorn Board” and together with the Columbia Board, the “Boards”) have adopted the following Code of Ethics for Principle Executive and Senior Financial Officers (the “Code”), which sets forth the ethical standards to which the Funds holds their principal executive officer and each of its senior financial officers.

This Code should be read and interpreted in conjunction with the Overview and Implementation of Compliance Program Policy.

Policy

The Boards have adopted the Code in order to comply with applicable regulatory requirements as outlined below:

I.Covered Officers/Purpose of the Code

This Code applies to the Fund’s Principal Executive Officer, Principal Financial Officer, and Principal Accounting Officer or Controller (the “Covered Officers”) for the purpose of promoting:

•Honest and ethical conduct, including the ethical handling of actual or apparent conflicts of interest between personal and professional relationships;

This document is current as of the last review date but subject to change thereafter. Please consult the online version to verify that this Fund Policy has not been updated or otherwise changed. This Fund Policy is the property of the Funds and must not be provided to any external party without express prior consent from the Fund CCO.

Proprietary and Confidential Page 1 of 9

Fund Policy: Code of Ethics for Principal Executive & Senior Financial Officers

•Full, fair, accurate, timely and understandable disclosure in reports and documents that the Fund files with, or submits to, the SEC, and in other public communications made by the Fund;

•Compliance with applicable laws and governmental rules and regulations;

•The prompt internal reporting of violations of the Code to an appropriate person or persons identified in the Code; and

•Accountability for adherence to the Code.

Each Covered Officer should adhere to a high standard of business ethics and should be sensitive to situations that may give rise to actual or apparent conflicts of interest.

II.Administration of the Code

The Boards have designated an individual to be primarily responsible for the administration of the Code (the “Code Officer”). In the absence of the Code Officer, his or her designee shall serve as the Code Officer, but only on a temporary basis.

The Boards have designated a person who meets the definition of a Chief Legal Officer (the “CLO”) for purposes of the Sarbanes-Oxley Act of 2002 and the rules promulgated thereunder as the Fund’s CLO. The CLO of the Fund shall assist the Fund’s Code

Officer in administration of this Code. The Code Officer, in consultation with the CLO, shall be responsible for applying this Code to specific situations (in consultation with Fund counsel, where appropriate) and has the authority to interpret this Code in any particular situation.

III.Managing Conflicts of Interest

A “conflict of interest” occurs when a Covered Officer’s personal interest interferes with the interests of, or his or her service to, the Fund. For example, a conflict of interest would arise if a Covered Officer, or a member of his or her family, receives improper personal benefits as a result of the Covered Officer’s position with the Fund. Certain provisions in the 1940 Act and the rules and regulations thereunder and the Advisers Act and the rules and regulations thereunder govern certain conflicts of interest that arise out of the relationships between Covered Officers and the Fund. If such conflicts are addressed in conformity with applicable provisions of the 1940 Act and the Advisers Act, they will be deemed to have been handled ethically. The Fund’s and its Adviser’s compliance programs and procedures are designed to prevent, or identify and correct, violations of those provisions. This Code does not, and is not intended to, repeat or replace those programs and procedures, and conduct that is consistent with such programs and procedures falls outside of the parameters of this Code.

Although they do not typically present an opportunity for improper personal benefit, conflicts may arise from, or as a result of, the contractual relationships between the Fund and, as applicable, its Adviser (Columbia Management Investment Advisers, LLC

This document is current as of the last review date but subject to change thereafter. Please consult the online version to verify that this Fund Policy has not been updated or otherwise changed. This Fund Policy is the property of the Funds and must not be provided to any external party without express prior consent from the Fund CCO.

Proprietary and Confidential Page 2 of 9

Fund Policy: Code of Ethics for Principal Executive & Senior Financial Officers

(“CMIA”) for the Columbia Funds and Columbia Wanger Asset Management, LLC (“CWAM”) for the WAT / CAT Funds), administrator, principal underwriter, pricing and bookkeeping agent and/or transfer agent (each, a “Primary Service Provider”) of which the Covered Officers are also officers or employees. As a result, this Code recognizes that the Covered Officers will, in the normal course of their duties (whether formally for the Fund or for a Primary Service Provider, or for both), be involved in establishing policies and implementing decisions that will have different effects on the Primary Service Providers and the Fund. The participation of the Covered Officers in such activities is inherent in the contractual relationships between the Fund and the Primary Service Providers and is consistent with the performance by the Covered Officers of their duties as officers of the Fund. If such conflicts are addressed in conformity with applicable provisions of the 1940 Act and the Advisers Act, they will be deemed to have been handled ethically. In addition, it is recognized by the Boards of the Funds that the Covered Officers also may be officers or employees of one or more other investment companies or organizations affiliated with the sponsor of the Funds covered by other similar codes and that the codes of ethics of those other investment companies or organizations will apply to the Covered Officers acting in such capacities for such other investment companies.

This Code covers general conflicts of interest and other issues applicable to the Funds under the Sarbanes-Oxley Act of 2002. The overarching principle is that the personal interest of a Covered Officer should not be placed improperly before the interests of the Funds. Certain examples of such conflicts of interest follow.

Each Covered Officer must:

•Not use his or her personal influence or personal relationships improperly to influence investment decisions or financial reporting by the Fund whereby the Covered Officer, or a member of his or her family, would knowingly benefit personally to the detriment of the Fund;

•Not knowingly cause the Fund to take action, or fail to take action, for the individual personal benefit of the Covered Officer, or a member of his or her family, rather than the benefit of the Fund;

•Not use material non-public knowledge of portfolio transactions made or contemplated for the Fund to trade personally or cause others to trade personally in contemplation of the market effect of such transactions; and

•Report at least annually (or more frequently, as appropriate) known affiliations or other relationships that may give rise to conflicts of interest with respect to the Fund.

If a Covered Officer believes that he or she has a potential conflict of interest that is likely to materially compromise his or her objectivity or his or her ability to perform the duties of his or her role as a Covered Officer, including a potential conflict of interest that arises out of his or her responsibilities as an officer or employee of one or more Primary

This document is current as of the last review date but subject to change thereafter. Please consult the online version to verify that this Fund Policy has not been updated or otherwise changed. This Fund Policy is the property of the Funds and must not be provided to any external party without express prior consent from the Fund CCO.

Proprietary and Confidential Page 3 of 9

Fund Policy: Code of Ethics for Principal Executive & Senior Financial Officers

Service Providers or other funds, he or she should consult with the Code Officer, the CLO, the Fund’s outside counsel, or counsel to the Independent Board Members, as appropriate.

Examples of potential conflicts of interest that may materially compromise objectivity or ability to perform the duties of a Covered Officer and which the Covered Officer should consider discussing with the Code Officer or other appropriate person include:

•Service as a director on the board of a public or private company or service as a public official;

•The receipt of a non-de minimus gift when the gift is in relation to doing business directly or indirectly with the Fund;

•The receipt of entertainment from any company with which the Fund has current or prospective business dealings, unless such entertainment is business-related, reasonable in cost, appropriate as to time and place, and not so frequent as to raise any question of impropriety;

•An ownership interest in, or any consulting or employment relationship with, any of the Fund’s service providers, other than the Primary Service Providers or any affiliated person thereof; and

•A direct or indirect material financial interest in commissions, transaction charges or spreads paid by the Fund for effecting portfolio transactions or for selling or redeeming shares other than an interest arising from the Covered Officer’s employment, such as compensation or equity ownership.

IV. Disclosure and Compliance

It is the responsibility of each Covered Officer:

•To familiarize himself or herself with the disclosure requirements generally applicable to the Fund, as well as the business and financial operations of the Fund;

•To not knowingly misrepresent, and to not knowingly cause others to misrepresent, facts about the Fund to others, whether within or outside the Fund, including to the Fund’s Board, Legal Counsel, Independent Legal Counsel and auditors, and to governmental regulators and self-regulatory organizations;

•To the extent appropriate within his or her area of responsibility, consult with other officers and employees of the Fund and the Primary Service Providers with the goal of promoting full, fair, accurate, timely and understandable disclosure in the reports and documents the Fund files with, or submits to, the SEC and in other public communications made by the Fund; and

•To adhere to and, within his or her area of responsibility, promote compliance with the standards and restrictions imposed by applicable laws, rules and regulations.

This document is current as of the last review date but subject to change thereafter. Please consult the online version to verify that this Fund Policy has not been updated or otherwise changed. This Fund Policy is the property of the Funds and must not be provided to any external party without express prior consent from the Fund CCO.

Proprietary and Confidential Page 4 of 9

Fund Policy: Code of Ethics for Principal Executive & Senior Financial Officers

V.Reporting and Accountability by Covered Officers Each Covered Officer must:

•Upon adoption of the Code or becoming a Covered Officer, acknowledge in writing to the Fund’s Board that he or she has received, read and understands the Code, using the form attached as Appendix A hereto;

•Annually thereafter acknowledge in writing to the Fund’s Board that he or she has received and read the Code and believes that he or she has complied with the requirements of the Code, using the form attached as Appendix B hereto;

•Not retaliate against any employee or Covered Officer for reports of potential violations that are made in good faith; and

•Notify the Code Officer promptly if he or she knows of any violation, or of conduct that reasonably could be expected to be or result in a violation, of this Code. Failure to do so is a violation of this Code.

The Fund will follow the policy set forth below in investigating and enforcing this Code:

•The Code Officer will endeavor to take all appropriate action to investigate any potential violation reported to him or her;

•If, after such investigation, the Code Officer believes that no violation has occurred, the Code Officer will so notify the person(s) reporting the potential violation, and no further action is required;

•Any matter that the Code Officer, upon consultation with the CLO, believes is a violation will be reported by the Code Officer or the CLO to the Fund’s Audit

Committee;

•The Fund’s Audit Committee will be responsible for granting waivers, as appropriate; and

•This Code and any changes to or waivers of the Code will, to the extent required, be disclosed as provided by SEC rules.

VI. Other Policies

This Code shall be the sole code of ethics adopted by the Fund for the purposes of Section 406 of the Sarbanes-Oxley Act of 2002 and the rules and forms applicable to registered management investment companies thereunder. Insofar as other policies or procedures of the Fund or the Fund’s Primary Service Providers govern or purport to govern the behavior or activities of the Covered Officers who are subject to this Code, they are superseded by this Code to the extent that they conflict with the provisions of this Code. The Fund’s and its Adviser’s and principal underwriter’s codes of ethics under Rule 17j-1 under the 1940 Act and the more detailed policies and procedures of the

This document is current as of the last review date but subject to change thereafter. Please consult the online version to verify that this Fund Policy has not been updated or otherwise changed. This Fund Policy is the property of the Funds and must not be provided to any external party without express prior consent from the Fund CCO.

Proprietary and Confidential Page 5 of 9

Fund Policy: Code of Ethics for Principal Executive & Senior Financial Officers

Primary Service Providers as set forth in their respect Compliance Manuals are separate requirements applicable to the Covered Officers and are not part of this Code.

VII. Disclosure of Amendments to the Code

Any amendments will, to the extent required, be disclosed in accordance with law.

VIII. Confidentiality

All reports and records prepared or maintained pursuant to this Code will be considered confidential and shall be maintained and protected accordingly. Except as otherwise required by law or this Code or upon advice of counsel, such reports and records shall not be disclosed to anyone other than the Fund’s Board, the Covered Officers, the Code Officer, the CLO, the Fund’s Primary Service Providers and their affiliates, and outside audit firms, legal counsel to the Fund and legal counsel to the Independent Board Members.

IX. Internal Use

The Code is intended solely for the internal use by the Fund and does not constitute an admission, by or on behalf of the Fund, as to any fact, circumstance, or legal conclusion.

Reporting Requirements

Each Covered Officer must annually acknowledge in writing to the Fund’s Board that he or she has received and read the Code and believes that he or she has complied with the requirements of the Code, using the form attached as Appendix II hereto.

The Code Officer or CLO shall report to the Fund’s Audit Committee any violations of, or material issues arising under, this Code.

If the Audit Committee concurs that a violation has occurred, it will inform and make a recommendation to the Fund’s Board, which will consider appropriate action, which may include review of, and appropriate modifications to: Applicable policies and procedures; Notification to the appropriate personnel of the Fund’s Primary Service Providers or their boards; A recommendation to censure, suspend or dismiss the Covered Officer; or Referral of the matter to the appropriate authorities for civil action or criminal prosecution.

All material amendments to this Code must be in writing and approved or ratified by the Fund’s Board, including a majority of the Independent Board Members.

The Code Officer, in conjunction with the CLO, shall be responsible for administration of this Code and for adopting procedures to ensure compliance with the requirements set forth herein.

Any issues that arise under this policy should be communicated to an employee’s immediate supervisor, and appropriately escalated to AMC. Additionally, AMC will escalate any compliance issues relating to this Code to the Fund CCO and, if warranted, the appropriate Fund Board.

This document is current as of the last review date but subject to change thereafter. Please consult the online version to verify that this Fund Policy has not been updated or otherwise changed. This Fund Policy is the property of the Funds and must not be provided to any external party without express prior consent from the Fund CCO.

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Fund Policy: Code of Ethics for Principal Executive & Senior Financial Officers

Monitoring/Oversight/Escalation

The Code Officer shall be responsible for oversight of compliance with this Code by the Covered Officers. AMC and Ameriprise Risk & Control Services may perform periodic reviews and assessments of various lines of business, including their compliance with this Code.

Recordkeeping

All records must be maintained for at least seven years, the first three in the appropriate Ameriprise Financial, Inc. management office. The following records will be maintained to evidence compliance with this Code: (1) a copy of the information or materials supplied to the Audit Committee or the Board: (i) that provided the basis for any amendment or waiver to this Code; and (ii) relating to any violation of the Code and sanctions imposed for such violation, together with a written record of the approval or action taken by the Audit Committee and/or Board; (2) a copy of the policy and any amendments; and (3) a list of Covered Officers and reporting by Covered Officers.

This document is current as of the last review date but subject to change thereafter. Please consult the online version to verify that this Fund Policy has not been updated or otherwise changed. This Fund Policy is the property of the Funds and must not be provided to any external party without express prior consent from the Fund CCO.

Proprietary and Confidential Page 7 of 9

Appendix A

INITIAL ACKNOWLEDGEMENT

I acknowledge that I have received and read a copy of the Code of Ethics for Principal Executive and Senior Financial Officers (the “Code”) and that I understand it. I further acknowledge that I am responsible for understanding and complying with the policies set forth in the Code during my tenure as a Covered Officer, as defined in the Code.

I have set forth below (and on attached sheets of paper, if necessary) all known affiliations or other relationships that may give rise to conflicts of interest for me with respect to the Fund.

______________________________________________________________

______________________________________________________________

______________________________________________________________

______________________________________________________________

______________________________________________________________

______________________________________________________________

______________________________________________________________

______________________________________________________________

I also acknowledge my responsibility to report any known violation of the Code to the Code Officer, the CLO, the Fund’s outside counsel, or counsel to the Independent Board Members, all as defined in this Code. I further acknowledge that the policies contained in the Code are not intended to create any contractual rights or obligations, express or implied. I also understand that, consistent with applicable law, the Fund has the right to amend, interpret, modify or withdraw any of the provisions of the Code at any time in its sole discretion, with or without notice.

Covered Officer Name and Title: _______________________________________________

(please print)

____________________________________________________________________________

SignatureDate

Please return this completed form to the CLO (_______) within one week from the date of your

review of these documents. Thank you!

Appendix B

ANNUAL ACKNOWLEDGEMENT

I acknowledge that I have received and read a copy of the Code of Ethics for Principal Executive and Senior Financial Officers (the “Code”) and that I understand it. I further acknowledge that I am responsible for understanding and complying with the policies set forth in the Code during my tenure as a Covered Officer, as defined in the Code.

I also acknowledge that I believe that I have fully complied with the terms and provisions of the Code during the period of time since the most recent Initial or Annual Acknowledgement provided by me except as described below.

______________________________________________________________

______________________________________________________________

______________________________________________________________

I have set forth below (and on attached sheets of paper, if necessary) all known affiliations or other relationships that may give rise to conflicts of interest for me with respect to the Fund.1

______________________________________________________________

______________________________________________________________

______________________________________________________________

______________________________________________________________

I further acknowledge that the policies contained in the Code are not intended to create any contractual rights or obligations, express or implied. I also understand that, consistent with applicable law, the Fund has the right to amend, interpret, modify or withdraw any of the provisions of the Code at any time in its sole discretion, with or without notice.

Covered Officer Name and Title: _______________________________________________

(please print)

____________________________________________________________________________

SignatureDate

Please return this completed form to the CLO (_______) within one week from the date of your

receipt of a request to complete and return it. Thank you!

1It is acceptable to refer to affiliations and other relationships previously disclosed in prior Initial or Annual Acknowledgements without setting forth such affiliations and relationships again.

EX-99.CERT

I, Daniel J. Beckman, certify that:

1.I have reviewed this report on Form N-CSR of Columbia Funds Series Trust I;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, changes in net assets, and cash flows (if the financial statements are required to include a statement of cash flows) of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940) and internal control over financial reporting (as defined in Rule 30a-3(d) under the Investment Company Act of 1940) for the registrant and have:

(a)designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of a date within 90 days prior to the filing date of this report based on such evaluation; and

(d)disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant's other certifying officer(s) and I have disclosed to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize, and report financial information; and

(b)any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: October 23, 2024	/s/ Daniel J. Beckman
	Daniel J. Beckman, President and Principal
	Executive Officer

I, Michael G. Clarke, certify that:

1.I have reviewed this report on Form N-CSR of Columbia Funds Series Trust I;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, changes in net assets, and cash flows (if the financial statements are required to include a statement of cash flows) of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940) and internal control over financial reporting (as defined in Rule 30a-3(d) under the Investment Company Act of 1940) for the registrant and have:

(a)designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of a date within 90 days prior to the filing date of this report based on such evaluation; and

(d)disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant's other certifying officer(s) and I have disclosed to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize, and report financial information; and

(b)any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: October 23, 2024		/s/ Michael G. Clarke
	Michael G. Clarke, Chief Financial Officer,
	Principal Financial Officer and Senior Vice
	President

I, Charles H. Chiesa, certify that:

1.I have reviewed this report on Form N-CSR of Columbia Funds Series Trust I;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, changes in net assets, and cash flows (if the financial statements are required to include a statement of cash flows) of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940) and internal control over financial reporting (as defined in Rule 30a-3(d) under the Investment Company Act of 1940) for the registrant and have:

(a)designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)designed such internal control over financial reporting, or caused such internal control

	over financial reporting to be designed under our supervision, to provide reasonable
	assurance regarding the reliability of financial reporting and the preparation of financial
	statements for external purposes in accordance with generally accepted accounting
	principles;
(c )	evaluated the effectiveness of the registrant's disclosure controls and procedures and
	presented in this report our conclusions about the effectiveness of the disclosure controls
	and procedures, as of a date within 90 days prior to the filing date of this report based on
	such evaluation; and

(d)disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant's other certifying officer(s) and I have disclosed to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a)all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize, and report financial information; and

(b)any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: October 23, 2024	/s/ Charles H. Chiesa
	Charles H. Chiesa, Treasurer, Chief Accounting
	Officer and Principal Financial Officer

EX-99.906 CERT

CERTIFICATION PURSUANT TO SECTION 906 OF 

THE SARBANES-OXLEY ACT OF 2002 

In connection with the Certified Shareholder Report of Columbia Funds Series Trust I (the “Trust”) on Form N-CSR for the period ending August 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (“the Report”), the undersigned hereby certifies that, to his knowledge: 

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and 

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Trust. 

Date: October 23, 2024	/s/ Daniel J. Beckman
	Daniel J. Beckman, President and Principal Executive Officer

Date: October 23, 2024	/s/ Michael G. Clarke
	Michael G. Clarke, Chief Financial Officer,
	Principal Financial Officer and Senior Vice President

Date: October 23, 2024	/s/ Charles H. Chiesa
	Charles H. Chiesa, Treasurer, Chief Accounting
	Officer and Principal Financial Officer

A signed original of this written statement required by Section 906 of the Sarbanes-Oxley Act of 2002 has been provided to the Registrant and will be retained by the Registrant and furnished to the Securities and Exchange Commission (the “Commission”) or its staff upon request. 

This certification is being furnished to the Commission solely pursuant to 18 U.S.C. §1350 and is not being filed as part of the Form N-CSR with the Commission. 

XML

Form N-CSR Cover	12 Months Ended
	Aug. 31, 2024
Shareholder Report [Line Items]
Document Type	N-CSR
Amendment Flag	false
Registrant Name	Columbia Funds Series Trust I
Entity Central Index Key	0000773757
Entity Investment Company Type	N-1A
Document Period End Date	Aug. 31, 2024

XML

Shareholder Report

12 Months Ended

Aug. 31, 2024

USD ($)

Holding

Shareholder Report [Line Items]

Document Type

N-CSR

Amendment Flag

false

Registrant Name

Columbia Funds Series Trust I

Entity Central Index Key

0000773757

Entity Investment Company Type

N-1A

Document Period End Date

Aug. 31, 2024

Columbia Global Technology Growth Fund - Class A

Shareholder Report [Line Items]

Fund Name

Columbia Global Technology Growth Fund

Class Name

Class A

Trading Symbol

CTCAX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about Columbia Global Technology Growth Fund (the Fund) for the period of September 1, 2023 to August 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class A	$136	1.17%

Expenses Paid, Amount

$ 136

Expense Ratio, Percent

1.17%

Factors Affecting Performance [Text Block]

Management's Discussion of Fund Performance

The performance of Class A shares for the period presented is shown in the Average Annual Total Returns table.

Top Performance Contributors

Stock selection | Overall stock selection was positive.

Individual holdings | Top individual contributors to relative performance were Apple, Microsoft and Meta.

Top Performance Detractors

Allocations | Overall sector allocation was negative.

Individual holdings | Top individual detractors to relative performance were NVIDIA, Alphabet and Visa.

Performance Past Does Not Indicate Future [Text]

Past performance does not guarantee future performance.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns (%)	1 year	5 years	10 years
Class A (excluding sales charges) (a),(b)	33.13	20.67	19.39
Class A (including sales charges) (a),(b)	25.47	19.25	18.68
S&P Global 1200 Information Technology Index (Net)	37.92	24.33	19.90
MSCI ACWI Index (Net)	23.44	12.14	8.78

(a)	Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.
(b)	The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

No Deduction of Taxes [Text Block]

Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares.

Updated Performance Information Location [Text Block]

Visit columbiathreadneedleus.com/investment-products/mutual-funds for more recent performance information.

Net Assets

$ 3,430,923,132

Holdings Count | Holding

103

Advisory Fees Paid, Amount

$ 23,443,760

Investment Company, Portfolio Turnover

7.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Fund net assets	$3,430,923,132
Total number of portfolio holdings	103
Management services fees (represents 0.80% of Fund average net assets)	$23,443,760
Portfolio turnover for the reporting period	7%

Holdings [Text Block]

Graphical Representation of Fund Holdings

The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Equity Sector Allocation

Information Technology Sub-industry Allocation

Largest Holdings [Text Block]

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Updated Prospectus Web Address

columbiathreadneedleus.com/investment-products/mutual-funds

Columbia Global Technology Growth Fund - Advisor Class

Shareholder Report [Line Items]

Fund Name

Columbia Global Technology Growth Fund

Class Name

Advisor Class

Trading Symbol

CTYRX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about Columbia Global Technology Growth Fund (the Fund) for the period of September 1, 2023 to August 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Advisor Class	$107	0.92%

Expenses Paid, Amount

$ 107

Expense Ratio, Percent

0.92%

Factors Affecting Performance [Text Block]

Management's Discussion of Fund Performance

The performance of Advisor Class shares for the period presented is shown in the Average Annual Total Returns table.

Top Performance Contributors

Stock selection | Overall stock selection was positive.

Individual holdings | Top individual contributors to relative performance were Apple, Microsoft and Meta.

Top Performance Detractors

Allocations | Overall sector allocation was negative.

Individual holdings | Top individual detractors to relative performance were NVIDIA, Alphabet and Visa.

Performance Past Does Not Indicate Future [Text]

Past performance does not guarantee future performance.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns (%)	1 year	5 years	10 years
Advisor Class (a),(b)	33.46	20.97	19.69
S&P Global 1200 Information Technology Index (Net)	37.92	24.33	19.90
MSCI ACWI Index (Net)	23.44	12.14	8.78

(a)	Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.
(b)	The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

No Deduction of Taxes [Text Block]

Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares.

Updated Performance Information Location [Text Block]

Visit columbiathreadneedleus.com/investment-products/mutual-funds for more recent performance information.

Net Assets

$ 3,430,923,132

Holdings Count | Holding

103

Advisory Fees Paid, Amount

$ 23,443,760

Investment Company, Portfolio Turnover

7.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Fund net assets	$3,430,923,132
Total number of portfolio holdings	103
Management services fees (represents 0.80% of Fund average net assets)	$23,443,760
Portfolio turnover for the reporting period	7%

Holdings [Text Block]

Graphical Representation of Fund Holdings

The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Equity Sector Allocation

Information Technology Sub-industry Allocation

Largest Holdings [Text Block]

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Updated Prospectus Web Address

columbiathreadneedleus.com/investment-products/mutual-funds

Columbia Global Technology Growth Fund - Class C

Shareholder Report [Line Items]

Fund Name

Columbia Global Technology Growth Fund

Class Name

Class C

Trading Symbol

CTHCX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about Columbia Global Technology Growth Fund (the Fund) for the period of September 1, 2023 to August 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Class C	$222	1.92%

Expenses Paid, Amount

$ 222

Expense Ratio, Percent

1.92%

Factors Affecting Performance [Text Block]

Management's Discussion of Fund Performance

The performance of Class C shares for the period presented is shown in the Average Annual Total Returns table.

Top Performance Contributors

Stock selection | Overall stock selection was positive.

Individual holdings | Top individual contributors to relative performance were Apple, Microsoft and Meta.

Top Performance Detractors

Allocations | Overall sector allocation was negative.

Individual holdings | Top individual detractors to relative performance were NVIDIA, Alphabet and Visa.

Performance Past Does Not Indicate Future [Text]

Past performance does not guarantee future performance.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns (%)	1 year	5 years	10 years
Class C (excluding sales charges) (a),(b)	32.15	19.77	18.49
Class C (including sales charges) (a),(b)	31.15	19.77	18.49
S&P Global 1200 Information Technology Index (Net)	37.92	24.33	19.90
MSCI ACWI Index (Net)	23.44	12.14	8.78

(a)	Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.
(b)	The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

No Deduction of Taxes [Text Block]

Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares.

Updated Performance Information Location [Text Block]

Visit columbiathreadneedleus.com/investment-products/mutual-funds for more recent performance information.

Net Assets

$ 3,430,923,132

Holdings Count | Holding

103

Advisory Fees Paid, Amount

$ 23,443,760

Investment Company, Portfolio Turnover

7.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Fund net assets	$3,430,923,132
Total number of portfolio holdings	103
Management services fees (represents 0.80% of Fund average net assets)	$23,443,760
Portfolio turnover for the reporting period	7%

Holdings [Text Block]

Graphical Representation of Fund Holdings

The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Equity Sector Allocation

Information Technology Sub-industry Allocation

Largest Holdings [Text Block]

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Updated Prospectus Web Address

columbiathreadneedleus.com/investment-products/mutual-funds

Columbia Global Technology Growth Fund - Institutional Class

Shareholder Report [Line Items]

Fund Name

Columbia Global Technology Growth Fund

Class Name

Institutional Class

Trading Symbol

CMTFX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about Columbia Global Technology Growth Fund (the Fund) for the period of September 1, 2023 to August 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Institutional Class	$107	0.92%

Expenses Paid, Amount

$ 107

Expense Ratio, Percent

0.92%

Factors Affecting Performance [Text Block]

Management's Discussion of Fund Performance

The performance of Institutional Class shares for the period presented is shown in the Average Annual Total Returns table.

Top Performance Contributors

Stock selection | Overall stock selection was positive.

Individual holdings | Top individual contributors to relative performance were Apple, Microsoft and Meta.

Top Performance Detractors

Allocations | Overall sector allocation was negative.

Individual holdings | Top individual detractors to relative performance were NVIDIA, Alphabet and Visa.

Performance Past Does Not Indicate Future [Text]

Past performance does not guarantee future performance.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns (%)	1 year	5 years	10 years
Institutional Class (a),(b)	33.47	20.98	19.69
S&P Global 1200 Information Technology Index (Net)	37.92	24.33	19.90
MSCI ACWI Index (Net)	23.44	12.14	8.78

(a)	Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.
(b)	The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

No Deduction of Taxes [Text Block]

Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares.

Updated Performance Information Location [Text Block]

Visit columbiathreadneedleus.com/investment-products/mutual-funds for more recent performance information.

Net Assets

$ 3,430,923,132

Holdings Count | Holding

103

Advisory Fees Paid, Amount

$ 23,443,760

Investment Company, Portfolio Turnover

7.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Fund net assets	$3,430,923,132
Total number of portfolio holdings	103
Management services fees (represents 0.80% of Fund average net assets)	$23,443,760
Portfolio turnover for the reporting period	7%

Holdings [Text Block]

Graphical Representation of Fund Holdings

The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Equity Sector Allocation

Information Technology Sub-industry Allocation

Largest Holdings [Text Block]

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Updated Prospectus Web Address

columbiathreadneedleus.com/investment-products/mutual-funds

Columbia Global Technology Growth Fund - Institutional 2 Class

Shareholder Report [Line Items]

Fund Name

Columbia Global Technology Growth Fund

Class Name

Institutional 2 Class

Trading Symbol

CTHRX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about Columbia Global Technology Growth Fund (the Fund) for the period of September 1, 2023 to August 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Institutional 2 Class	$101	0.87%

Expenses Paid, Amount

$ 101

Expense Ratio, Percent

0.87%

Factors Affecting Performance [Text Block]

Management's Discussion of Fund Performance

The performance of Institutional 2 Class shares for the period presented is shown in the Average Annual Total Returns table.

Top Performance Contributors

Stock selection | Overall stock selection was positive.

Individual holdings | Top individual contributors to relative performance were Apple, Microsoft and Meta.

Top Performance Detractors

Allocations | Overall sector allocation was negative.

Individual holdings | Top individual detractors to relative performance were NVIDIA, Alphabet and Visa.

Performance Past Does Not Indicate Future [Text]

Past performance does not guarantee future performance.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns (%)	1 year	5 years	10 years
Institutional 2 Class (a),(b)	33.55	21.04	19.78
S&P Global 1200 Information Technology Index (Net)	37.92	24.33	19.90
MSCI ACWI Index (Net)	23.44	12.14	8.78

(a)	Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.
(b)	The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

No Deduction of Taxes [Text Block]

Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares.

Updated Performance Information Location [Text Block]

Visit columbiathreadneedleus.com/investment-products/mutual-funds for more recent performance information.

Net Assets

$ 3,430,923,132

Holdings Count | Holding

103

Advisory Fees Paid, Amount

$ 23,443,760

Investment Company, Portfolio Turnover

7.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Fund net assets	$3,430,923,132
Total number of portfolio holdings	103
Management services fees (represents 0.80% of Fund average net assets)	$23,443,760
Portfolio turnover for the reporting period	7%

Holdings [Text Block]

Graphical Representation of Fund Holdings

The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Equity Sector Allocation

Information Technology Sub-industry Allocation

Largest Holdings [Text Block]

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Updated Prospectus Web Address

columbiathreadneedleus.com/investment-products/mutual-funds

Columbia Global Technology Growth Fund - Institutional 3 Class

Shareholder Report [Line Items]

Fund Name

Columbia Global Technology Growth Fund

Class Name

Institutional 3 Class

Trading Symbol

CGTUX

Annual or Semi-Annual Statement [Text Block]

This annual shareholder report contains important information about Columbia Global Technology Growth Fund (the Fund) for the period of September 1, 2023 to August 31, 2024.

Shareholder Report Annual or Semi-Annual

annual shareholder report

Additional Information [Text Block]

You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature. You can also request more information by contacting us at 1-800-345-6611.

Additional Information Phone Number

1-800-345-6611

Additional Information Website

columbiathreadneedleus.com/resources/literature

Expenses [Text Block]

What were the Fund costs for the reporting period?

(Based on a hypothetical $10,000 investment)

Class	Cost of a $10,000 investment	Cost paid as a percentage of a $10,000 investment
Institutional 3 Class	$96	0.82%

Expenses Paid, Amount

$ 96

Expense Ratio, Percent

0.82%

Factors Affecting Performance [Text Block]

Management's Discussion of Fund Performance

The performance of Institutional 3 Class shares for the period presented is shown in the Average Annual Total Returns table.

Top Performance Contributors

Stock selection | Overall stock selection was positive.

Individual holdings | Top individual contributors to relative performance were Apple, Microsoft and Meta.

Top Performance Detractors

Allocations | Overall sector allocation was negative.

Individual holdings | Top individual detractors to relative performance were NVIDIA, Alphabet and Visa.

Performance Past Does Not Indicate Future [Text]

Past performance does not guarantee future performance.

Line Graph [Table Text Block]

Average Annual Return [Table Text Block]

Average Annual Total Returns (%)	1 year	5 years	10 years
Institutional 3 Class (a),(b),(c)	33.61	21.11	19.81
S&P Global 1200 Information Technology Index (Net)	37.92	24.33	19.90
MSCI ACWI Index (Net)	23.44	12.14	8.78

(a)	The returns shown for periods prior to March 1, 2016 (including returns for the Life of the Fund, if shown, which are since Fund inception) include the returns of Institutional Class. These returns are adjusted to reflect any higher class-related operating expenses of the newer share classes, as applicable. Please visit columbiathreadneedleus.com/investor/investment-products/mutual-funds/appended-performance for more information.
(b)	Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.
(c)	The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

No Deduction of Taxes [Text Block]

Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares.

Updated Performance Information Location [Text Block]

Visit columbiathreadneedleus.com/investment-products/mutual-funds for more recent performance information.

Net Assets

$ 3,430,923,132

Holdings Count | Holding

103

Advisory Fees Paid, Amount

$ 23,443,760

Investment Company, Portfolio Turnover

7.00%

Additional Fund Statistics [Text Block]

Key Fund Statistics

Fund net assets	$3,430,923,132
Total number of portfolio holdings	103
Management services fees (represents 0.80% of Fund average net assets)	$23,443,760
Portfolio turnover for the reporting period	7%

Holdings [Text Block]

Graphical Representation of Fund Holdings

The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change.

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Equity Sector Allocation

Information Technology Sub-industry Allocation

Largest Holdings [Text Block]

Top Holdings

NVIDIA Corp.	13.4%
Apple, Inc.	9.2%
Microsoft Corp.	9.1%
Broadcom, Inc.	5.6%
Alphabet, Inc., Class A	3.5%
Amazon.com, Inc.	3.1%
Lam Research Corp.	2.9%
Meta Platforms, Inc., Class A	2.5%
Taiwan Semiconductor Manufacturing Co., Ltd., ADR	2.4%
Synopsys, Inc.	2.2%

Updated Prospectus Web Address

columbiathreadneedleus.com/investment-products/mutual-funds

XML

Shareholder Report, Line Graph (Details) - USD ($)	12 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2014
Columbia Global Technology Growth Fund - Institutional 3 Class
Account Value [Line Items]
Line Graph and Table Measure Name	Institutional 3 Class
Account Value	$ 60,965	$ 45,628	$ 35,255	$ 46,568	$ 35,208	$ 23,401	$ 22,399	$ 16,999	$ 12,503	$ 10,600	$ 10,000
Columbia Global Technology Growth Fund - Institutional 2 Class
Account Value [Line Items]
Line Graph and Table Measure Name	Institutional 2 Class
Account Value	$ 60,781	45,512	35,182	46,496	35,171	23,392	22,401	17,005	12,518	10,613	10,000
Columbia Global Technology Growth Fund - Institutional Class
Account Value [Line Items]
Line Graph and Table Measure Name	Institutional Class
Account Value	$ 60,332	45,203	34,959	46,229	34,992	23,283	22,319	16,955	12,490	10,600	10,000
Columbia Global Technology Growth Fund - Class C
Account Value [Line Items]
Line Graph and Table Measure Name	Class C (including sales charges)
Account Value	$ 54,569	41,294	32,262	43,088	32,941	22,142	21,433	16,447	12,238	10,491	10,000
Columbia Global Technology Growth Fund - Advisor Class
Account Value [Line Items]
Line Graph and Table Measure Name	Advisor Class
Account Value	$ 60,328	45,203	34,957	46,227	34,989	23,285	22,318	16,953	12,487	10,604	10,000
Columbia Global Technology Growth Fund - Class A
Account Value [Line Items]
Line Graph and Table Measure Name	Class A (including sales charges)
Account Value	$ 55,438	41,642	32,286	42,801	32,474	21,667	20,818	15,852	11,707	9,962	9,425
S&P Global 1200 Information Technology Index (Net) [Member]
Account Value [Line Items]
Line Graph and Table Measure Name	S&P Global 1200 Information Technology Index (Net)
Account Value	$ 61,395	44,514	34,072	42,087	31,783	20,666	19,953	15,713	11,914	9,983	10,000
MSCI ACWI Index (Net) [Member]
Account Value [Line Items]
Line Graph and Table Measure Name	MSCI ACWI Index (Net)
Account Value	$ 23,192	$ 18,788	$ 16,488	$ 19,601	$ 15,237	$ 13,077	$ 13,113	$ 11,770	$ 10,050	$ 9,371	$ 10,000

XML

Shareholder Report, Average Annual Return (Details)		12 Months Ended	60 Months Ended	120 Months Ended
		Aug. 31, 2024	Aug. 31, 2024	Aug. 31, 2024
Columbia Global Technology Growth Fund - Institutional 3 Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Institutional 3 Class
Average Annual Return, Percent	[1],[2],[3]	33.61%	21.11%	19.81%
Columbia Global Technology Growth Fund - Institutional 2 Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Institutional 2 Class
Average Annual Return, Percent	[1],[2]	33.55%	21.04%	19.78%
Columbia Global Technology Growth Fund - Institutional Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Institutional Class
Average Annual Return, Percent	[1],[2]	33.47%	20.98%	19.69%
Columbia Global Technology Growth Fund - Class C
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Class C (including sales charges)
Average Annual Return, Percent	[1],[2]	31.15%	19.77%	18.49%
Columbia Global Technology Growth Fund - Advisor Class
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Advisor Class
Average Annual Return, Percent	[1],[2]	33.46%	20.97%	19.69%
Columbia Global Technology Growth Fund - Class A
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Class A (including sales charges)
Average Annual Return, Percent	[1],[2]	25.47%	19.25%	18.68%
Without Sales Load [Member] | Columbia Global Technology Growth Fund - Class C
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Class C (excluding sales charges)
Average Annual Return, Percent	[1],[2]	32.15%	19.77%	18.49%
Without Sales Load [Member] | Columbia Global Technology Growth Fund - Class A
Average Annual Return [Line Items]
Line Graph and Table Measure Name		Class A (excluding sales charges)
Average Annual Return, Percent	[1],[2]	33.13%	20.67%	19.39%
S&P Global 1200 Information Technology Index (Net) [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name		S&P Global 1200 Information Technology Index (Net)
Average Annual Return, Percent		37.92%	24.33%	19.90%
MSCI ACWI Index (Net) [Member]
Average Annual Return [Line Items]
Line Graph and Table Measure Name		MSCI ACWI Index (Net)
Average Annual Return, Percent		23.44%	12.14%	8.78%

[1] Effective August 1, 2024, the Fund compares its performance to the MSCI ACWI Index (Net), a broad-based performance index that meets new regulatory requirements. The Fund’s performance is also compared to its prior benchmark, which more closely represent the market sectors and/or asset classes in which the Fund primarily invests.

[2] The Fund's performance prior to July 2014 reflects returns achieved pursuant to different principal investment strategies. If the Fund's current strategies had been in place for the prior periods, results shown may have been different.

[3] The returns shown for periods prior to March 1, 2016 (including returns for the Life of the Fund, if shown, which are since Fund inception) include the returns of Institutional Class. These returns are adjusted to reflect any higher class-related operating expenses of the newer share classes, as applicable. Please visit columbiathreadneedleus.com/investor/investment-products/mutual-funds/appended-performance for more information.

XML

Shareholder Report, Holdings (Details)	Aug. 31, 2024
Columbia Global Technology Growth Fund - Class A | NVIDIA Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.40%
Columbia Global Technology Growth Fund - Class A | Apple, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.20%
Columbia Global Technology Growth Fund - Class A | Microsoft Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.10%
Columbia Global Technology Growth Fund - Class A | Broadcom, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.60%
Columbia Global Technology Growth Fund - Class A | Alphabet, Inc., Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Global Technology Growth Fund - Class A | Amazon.com, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Global Technology Growth Fund - Class A | Lam Research Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Global Technology Growth Fund - Class A | Meta Platforms, Inc., Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
Columbia Global Technology Growth Fund - Class A | Taiwan Semiconductor Manufacturing Co., Ltd., ADR [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Global Technology Growth Fund - Class A | Synopsys, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Columbia Global Technology Growth Fund - Class A | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	77.10%
Columbia Global Technology Growth Fund - Class A | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.70%
Columbia Global Technology Growth Fund - Class A | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.00%
Columbia Global Technology Growth Fund - Class A | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%
Columbia Global Technology Growth Fund - Class A | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Global Technology Growth Fund - Class A | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%
Columbia Global Technology Growth Fund - Class A | Semiconductors [Member]
Holdings [Line Items]
Percent of Net Asset Value	28.80%
Columbia Global Technology Growth Fund - Class A | Systems Software [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.50%
Columbia Global Technology Growth Fund - Class A | Technology Hardware Storage And Peripherals [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Global Technology Growth Fund - Class A | Application Software [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.40%
Columbia Global Technology Growth Fund - Class A | Semiconductor Materials And Equipment [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.50%
Columbia Global Technology Growth Fund - Class A | Communications Equipment [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia Global Technology Growth Fund - Class A | Internet Services And Infrastructure [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.70%
Columbia Global Technology Growth Fund - Class A | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.00%
Columbia Global Technology Growth Fund - Advisor Class | NVIDIA Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.40%
Columbia Global Technology Growth Fund - Advisor Class | Apple, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.20%
Columbia Global Technology Growth Fund - Advisor Class | Microsoft Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.10%
Columbia Global Technology Growth Fund - Advisor Class | Broadcom, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.60%
Columbia Global Technology Growth Fund - Advisor Class | Alphabet, Inc., Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Global Technology Growth Fund - Advisor Class | Amazon.com, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Global Technology Growth Fund - Advisor Class | Lam Research Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Global Technology Growth Fund - Advisor Class | Meta Platforms, Inc., Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
Columbia Global Technology Growth Fund - Advisor Class | Taiwan Semiconductor Manufacturing Co., Ltd., ADR [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Global Technology Growth Fund - Advisor Class | Synopsys, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Columbia Global Technology Growth Fund - Advisor Class | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	77.10%
Columbia Global Technology Growth Fund - Advisor Class | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.70%
Columbia Global Technology Growth Fund - Advisor Class | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.00%
Columbia Global Technology Growth Fund - Advisor Class | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%
Columbia Global Technology Growth Fund - Advisor Class | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Global Technology Growth Fund - Advisor Class | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%
Columbia Global Technology Growth Fund - Advisor Class | Semiconductors [Member]
Holdings [Line Items]
Percent of Net Asset Value	28.80%
Columbia Global Technology Growth Fund - Advisor Class | Systems Software [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.50%
Columbia Global Technology Growth Fund - Advisor Class | Technology Hardware Storage And Peripherals [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Global Technology Growth Fund - Advisor Class | Application Software [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.40%
Columbia Global Technology Growth Fund - Advisor Class | Semiconductor Materials And Equipment [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.50%
Columbia Global Technology Growth Fund - Advisor Class | Communications Equipment [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia Global Technology Growth Fund - Advisor Class | Internet Services And Infrastructure [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.70%
Columbia Global Technology Growth Fund - Advisor Class | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.00%
Columbia Global Technology Growth Fund - Class C | NVIDIA Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.40%
Columbia Global Technology Growth Fund - Class C | Apple, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.20%
Columbia Global Technology Growth Fund - Class C | Microsoft Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.10%
Columbia Global Technology Growth Fund - Class C | Broadcom, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.60%
Columbia Global Technology Growth Fund - Class C | Alphabet, Inc., Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Global Technology Growth Fund - Class C | Amazon.com, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Global Technology Growth Fund - Class C | Lam Research Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Global Technology Growth Fund - Class C | Meta Platforms, Inc., Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
Columbia Global Technology Growth Fund - Class C | Taiwan Semiconductor Manufacturing Co., Ltd., ADR [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Global Technology Growth Fund - Class C | Synopsys, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Columbia Global Technology Growth Fund - Class C | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	77.10%
Columbia Global Technology Growth Fund - Class C | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.70%
Columbia Global Technology Growth Fund - Class C | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.00%
Columbia Global Technology Growth Fund - Class C | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%
Columbia Global Technology Growth Fund - Class C | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Global Technology Growth Fund - Class C | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%
Columbia Global Technology Growth Fund - Class C | Semiconductors [Member]
Holdings [Line Items]
Percent of Net Asset Value	28.80%
Columbia Global Technology Growth Fund - Class C | Systems Software [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.50%
Columbia Global Technology Growth Fund - Class C | Technology Hardware Storage And Peripherals [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Global Technology Growth Fund - Class C | Application Software [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.40%
Columbia Global Technology Growth Fund - Class C | Semiconductor Materials And Equipment [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.50%
Columbia Global Technology Growth Fund - Class C | Communications Equipment [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia Global Technology Growth Fund - Class C | Internet Services And Infrastructure [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.70%
Columbia Global Technology Growth Fund - Class C | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.00%
Columbia Global Technology Growth Fund - Institutional Class | NVIDIA Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.40%
Columbia Global Technology Growth Fund - Institutional Class | Apple, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.20%
Columbia Global Technology Growth Fund - Institutional Class | Microsoft Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.10%
Columbia Global Technology Growth Fund - Institutional Class | Broadcom, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.60%
Columbia Global Technology Growth Fund - Institutional Class | Alphabet, Inc., Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Global Technology Growth Fund - Institutional Class | Amazon.com, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Global Technology Growth Fund - Institutional Class | Lam Research Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Global Technology Growth Fund - Institutional Class | Meta Platforms, Inc., Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
Columbia Global Technology Growth Fund - Institutional Class | Taiwan Semiconductor Manufacturing Co., Ltd., ADR [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Global Technology Growth Fund - Institutional Class | Synopsys, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Columbia Global Technology Growth Fund - Institutional Class | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	77.10%
Columbia Global Technology Growth Fund - Institutional Class | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.70%
Columbia Global Technology Growth Fund - Institutional Class | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.00%
Columbia Global Technology Growth Fund - Institutional Class | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%
Columbia Global Technology Growth Fund - Institutional Class | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Global Technology Growth Fund - Institutional Class | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%
Columbia Global Technology Growth Fund - Institutional Class | Semiconductors [Member]
Holdings [Line Items]
Percent of Net Asset Value	28.80%
Columbia Global Technology Growth Fund - Institutional Class | Systems Software [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.50%
Columbia Global Technology Growth Fund - Institutional Class | Technology Hardware Storage And Peripherals [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Global Technology Growth Fund - Institutional Class | Application Software [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.40%
Columbia Global Technology Growth Fund - Institutional Class | Semiconductor Materials And Equipment [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.50%
Columbia Global Technology Growth Fund - Institutional Class | Communications Equipment [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia Global Technology Growth Fund - Institutional Class | Internet Services And Infrastructure [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.70%
Columbia Global Technology Growth Fund - Institutional Class | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.00%
Columbia Global Technology Growth Fund - Institutional 2 Class | NVIDIA Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.40%
Columbia Global Technology Growth Fund - Institutional 2 Class | Apple, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.20%
Columbia Global Technology Growth Fund - Institutional 2 Class | Microsoft Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.10%
Columbia Global Technology Growth Fund - Institutional 2 Class | Broadcom, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.60%
Columbia Global Technology Growth Fund - Institutional 2 Class | Alphabet, Inc., Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Global Technology Growth Fund - Institutional 2 Class | Amazon.com, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Global Technology Growth Fund - Institutional 2 Class | Lam Research Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Global Technology Growth Fund - Institutional 2 Class | Meta Platforms, Inc., Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
Columbia Global Technology Growth Fund - Institutional 2 Class | Taiwan Semiconductor Manufacturing Co., Ltd., ADR [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Global Technology Growth Fund - Institutional 2 Class | Synopsys, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Columbia Global Technology Growth Fund - Institutional 2 Class | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	77.10%
Columbia Global Technology Growth Fund - Institutional 2 Class | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.70%
Columbia Global Technology Growth Fund - Institutional 2 Class | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.00%
Columbia Global Technology Growth Fund - Institutional 2 Class | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%
Columbia Global Technology Growth Fund - Institutional 2 Class | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Global Technology Growth Fund - Institutional 2 Class | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%
Columbia Global Technology Growth Fund - Institutional 2 Class | Semiconductors [Member]
Holdings [Line Items]
Percent of Net Asset Value	28.80%
Columbia Global Technology Growth Fund - Institutional 2 Class | Systems Software [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.50%
Columbia Global Technology Growth Fund - Institutional 2 Class | Technology Hardware Storage And Peripherals [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Global Technology Growth Fund - Institutional 2 Class | Application Software [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.40%
Columbia Global Technology Growth Fund - Institutional 2 Class | Semiconductor Materials And Equipment [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.50%
Columbia Global Technology Growth Fund - Institutional 2 Class | Communications Equipment [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia Global Technology Growth Fund - Institutional 2 Class | Internet Services And Infrastructure [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.70%
Columbia Global Technology Growth Fund - Institutional 2 Class | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.00%
Columbia Global Technology Growth Fund - Institutional 3 Class | NVIDIA Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.40%
Columbia Global Technology Growth Fund - Institutional 3 Class | Apple, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.20%
Columbia Global Technology Growth Fund - Institutional 3 Class | Microsoft Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.10%
Columbia Global Technology Growth Fund - Institutional 3 Class | Broadcom, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.60%
Columbia Global Technology Growth Fund - Institutional 3 Class | Alphabet, Inc., Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Global Technology Growth Fund - Institutional 3 Class | Amazon.com, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Global Technology Growth Fund - Institutional 3 Class | Lam Research Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Global Technology Growth Fund - Institutional 3 Class | Meta Platforms, Inc., Class A [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.50%
Columbia Global Technology Growth Fund - Institutional 3 Class | Taiwan Semiconductor Manufacturing Co., Ltd., ADR [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Global Technology Growth Fund - Institutional 3 Class | Synopsys, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Columbia Global Technology Growth Fund - Institutional 3 Class | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	77.10%
Columbia Global Technology Growth Fund - Institutional 3 Class | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.70%
Columbia Global Technology Growth Fund - Institutional 3 Class | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.00%
Columbia Global Technology Growth Fund - Institutional 3 Class | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%
Columbia Global Technology Growth Fund - Institutional 3 Class | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Global Technology Growth Fund - Institutional 3 Class | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.40%
Columbia Global Technology Growth Fund - Institutional 3 Class | Semiconductors [Member]
Holdings [Line Items]
Percent of Net Asset Value	28.80%
Columbia Global Technology Growth Fund - Institutional 3 Class | Systems Software [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.50%
Columbia Global Technology Growth Fund - Institutional 3 Class | Technology Hardware Storage And Peripherals [Member]
Holdings [Line Items]
Percent of Net Asset Value	11.20%
Columbia Global Technology Growth Fund - Institutional 3 Class | Application Software [Member]
Holdings [Line Items]
Percent of Net Asset Value	9.40%
Columbia Global Technology Growth Fund - Institutional 3 Class | Semiconductor Materials And Equipment [Member]
Holdings [Line Items]
Percent of Net Asset Value	7.50%
Columbia Global Technology Growth Fund - Institutional 3 Class | Communications Equipment [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.00%
Columbia Global Technology Growth Fund - Institutional 3 Class | Internet Services And Infrastructure [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.70%
Columbia Global Technology Growth Fund - Institutional 3 Class | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	3.00%