Fund net assets	$ 2,568,139,822
Total number of portfolio holdings	354
Portfolio turnover for the reporting period	102%
Portfolio turnover for the reporting period excluding to be announced (TBA) securities	51%

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.

Derivative Exposure

	Long
Credit Risk	41.1 %
Equity Risk	55.5 %
Foreign Exchange Risk	14.1 %
Interest Rate Risk	18.6 %
	Short
Equity Risk	4.7 %
Foreign Exchange Risk	43.4 %
Interest Rate Risk	2.2 %

Asset Categories

Graphical Representation - Allocation 1 Chart

Columbia Adaptive Risk Allocation Fund - Class C

Shareholder Report [Line Items]

Fund Name

Columbia Adaptive Risk Allocation Fund

Class Name

Class C

Trading Symbol

CRACX

Annual or Semi-Annual Statement [Text Block]

This

semiannual shareholder report

contains important information about Columbia Adaptive Risk Allocation Fund (the Fund) for the period of June 1, 2024 to November 30, 2024.

Shareholder Report Annual or Semi-Annual

semi-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

porting 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	$ 90	1.74 % (a)

(a)	Annualized.

Expenses Paid, Amount

$ 90

Expense Ratio, Percent

1.74%

^[1]

Net Assets

$ 2,568,139,822

Holdings Count | Holding

354

Investment Company, Portfolio Turnover

102.00%

Additional Fund Statistics [Text Block]

Key Fund St

atis

tics

Fund net assets	$ 2,568,139,822
Total number of portfolio holdings	354
Portfolio turnover for the reporting period	102%
Portfolio turnover for the reporting period excluding to be announced (TBA) securities	51%

Holdings [Text Block]

Graphical Repre

sent

ation 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.

Derivative Exposure

	Long
Credit Risk	41.1 %
Equity Risk	55.5 %
Foreign Exchange Risk	14.1 %
Interest Rate Risk	18.6 %
	Short
Equity Risk	4.7 %
Foreign Exchange Risk	43.4 %
Interest Rate Risk	2.2 %

Asset Categories

Columbia Adaptive Risk Allocation Fund - Institutional Class

Shareholder Report [Line Items]

Fund Name

Columbia Adaptive Risk Allocation Fund

Class Name

Institutional Class

Trading Symbol

CRAZX

Annual or Semi-Annual Statement [Text Block]

This

semiannual shareholder report

contains important information about Columbia Adaptive Risk Allocation Fund (the Fund) for the period of June 1, 2024 to November 30, 2024.

Shareholder Report Annual or Semi-Annual

semi-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	$ 39	0.75 % (a)

(a)	Annualized.

Expenses Paid, Amount

$ 39

Expense Ratio, Percent

0.75%

^[1]

Net Assets

$ 2,568,139,822

Holdings Count | Holding

354

Investment Company, Portfolio Turnover

102.00%

Additional Fund Statistics [Text Block]

Key Fund St

atist

ics

Fund net assets	$ 2,568,139,822
Total number of portfolio holdings	354
Portfolio turnover for the reporting period	102%
Portfolio turnover for the reporting period excluding to be announced (TBA) securities	51%

Holdings [Text Block]

Graphical Represe

ntatio

n of Fund

Holdings

Derivative Exposure

	Long
Credit Risk	41.1 %
Equity Risk	55.5 %
Foreign Exchange Risk	14.1 %
Interest Rate Risk	18.6 %
	Short
Equity Risk	4.7 %
Foreign Exchange Risk	43.4 %
Interest Rate Risk	2.2 %

Asset Categories

Columbia Adaptive Risk Allocation Fund - Institutional 2 Class

Shareholder Report [Line Items]

Fund Name

Columbia Adaptive Risk Allocation Fund

Class Name

Institutional 2 Class

Trading Symbol

CRDRX

Annual or Semi-Annual Statement [Text Block]

This

semiannual shareholder report

contains important information about Columbia Adaptive Risk Allocation Fund (the Fund) for the period of June 1, 2024 to November 30, 2024.

Shareholder Report Annual or Semi-Annual

semi-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	$ 39	0.75 % (a)

(a)	Annualized.

Expenses Paid, Amount

$ 39

Expense Ratio, Percent

0.75%

^[1]

Net Assets

$ 2,568,139,822

Holdings Count | Holding

354

Investment Company, Portfolio Turnover

102.00%

Additional Fund Statistics [Text Block]

Key Fund S

tati

stics

Fund net assets	$ 2,568,139,822
Total number of portfolio holdings	354
Portfolio turnover for the reporting period	102%
Portfolio turnover for the reporting period excluding to be announced (TBA) securities	51%

Holdings [Text Block]

Graphical Repres

entati

on of Fund

Holdings

Derivative Exposure

	Long
Credit Risk	41.1 %
Equity Risk	55.5 %
Foreign Exchange Risk	14.1 %
Interest Rate Risk	18.6 %
	Short
Equity Risk	4.7 %
Foreign Exchange Risk	43.4 %
Interest Rate Risk	2.2 %

Asset Categories

Columbia Adaptive Risk Allocation Fund - Institutional 3 Class

Shareholder Report [Line Items]

Fund Name

Columbia Adaptive Risk Allocation Fund

Class Name

Institutional 3 Class

Trading Symbol

CARYX

Annual or Semi-Annual Statement [Text Block]

This

semiannual shareholder report

contains important information about Columbia Adaptive Risk Allocation Fund (the Fund) for the period of June 1, 2024 to November 30, 2024.

Shareholder Report Annual or Semi-Annual

semi-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	$ 36	0.70 % (a)

(a)	Annualized.

Expenses Paid, Amount

$ 36

Expense Ratio, Percent

0.70%

^[1]

Net Assets

$ 2,568,139,822

Holdings Count | Holding

354

Investment Company, Portfolio Turnover

102.00%

Additional Fund Statistics [Text Block]

Key Fund S

tatist

ics

Fund net assets	$ 2,568,139,822
Total number of portfolio holdings	354
Portfolio turnover for the reporting period	102%
Portfolio turnover for the reporting period excluding to be announced (TBA) securities	51%

Holdings [Text Block]

Graphical Repre

sentatio

n of Fund

Holdings

Derivative Exposure

	Long
Credit Risk	41.1 %
Equity Risk	55.5 %
Foreign Exchange Risk	14.1 %
Interest Rate Risk	18.6 %
	Short
Equity Risk	4.7 %
Foreign Exchange Risk	43.4 %
Interest Rate Risk	2.2 %

Asset Categories

Columbia Adaptive Risk Allocation Fund - Class S

Shareholder Report [Line Items]

Fund Name

Columbia Adaptive Risk Allocation Fund

Class Name

Class S

Trading Symbol

CRADX

Annual or Semi-Annual Statement [Text Block]

This

semiannual shareholder report

contains important information about Columbia Adaptive Risk Allocation Fund (the Fund) for the period of October 2, 2024 to November 30, 2024.

Shareholder Report Annual or Semi-Annual

semi-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 S	$ 12 (a)	0.79 % (b)

(a)	Based on operations from October 2, 2024 (commencement of operations) through the stated period end. Had the class been open for the entire reporting period, expenses shown in the table above would have been higher.
(b)	Annualized.

Expenses Paid, Amount

$ 12

^[2]

Expense Ratio, Percent

0.79%

^[1]

Net Assets

$ 2,568,139,822

Holdings Count | Holding

354

Investment Company, Portfolio Turnover

102.00%

Additional Fund Statistics [Text Block]

Key Fund S

tatis

tics

Fund net assets	$ 2,568,139,822
Total number of portfolio holdings	354
Portfolio turnover for the reporting period	102%
Portfolio turnover for the reporting period excluding to be announced (TBA) securities	51%

Holdings [Text Block]

Graphical Repres

entatio

n of Fund

Holdings

Derivative Exposure

	Long
Credit Risk	41.1 %
Equity Risk	55.5 %
Foreign Exchange Risk	14.1 %
Interest Rate Risk	18.6 %
	Short
Equity Risk	4.7 %
Foreign Exchange Risk	43.4 %
Interest Rate Risk	2.2 %

Asset Categories

[1]	Annualized.
[2]	Based on operations from October 2, 2024 (commencement of operations) through the stated period end. Had the class been open for the entire reporting period, expenses shown in the table above would have been higher.