Shareholder Report
|
6 Months Ended |
|
Apr. 30, 2026
USD ($)
Holding
|
| Shareholder Report [Line Items] |
|
|
| Document Type |
N-CSRS
|
|
| Amendment Flag |
false
|
|
| Registrant Name |
Columbia Funds Series Trust II
|
|
| Entity Central Index Key |
0001352280
|
|
| Entity Investment Company Type |
N-1A
|
|
| Document Period End Date |
Apr. 30, 2026
|
|
| Shareholder Report Annual or Semi-Annual |
Semi-Annual Shareholder Report
|
|
| C000095017 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Columbia Select Global Equity Fund
|
|
| Class Name |
Class A
|
|
| Trading Symbol |
IGLGX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about Columbia Select Global Equity Fund (the Fund) for the period of November 1, 2025 to April 30, 2026.
|
|
| 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)
Table Summary
Class |
Cost of a $10,000 investment |
Cost paid as a percentage of a $10,000 investment |
Class A |
$62 |
1.20%Footnote Reference(a) |
| Footnote |
Description |
Footnote(a) |
Annualized |
|
|
| Expenses Paid, Amount |
$ 62
|
|
| Expense Ratio, Percent |
1.20%
|
[1] |
| AssetsNet |
$ 791,809,915
|
|
| Holdings Count | Holding |
42
|
|
| InvestmentCompanyPortfolioTurnover |
43.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Fund net assets |
$791,809,915 |
Total number of portfolio holdings |
42 |
Portfolio turnover for the reporting period |
43% |
|
|
| Holdings [Text Block] |
Table Summary
United States |
66.8% |
|
Taiwan |
7.5% |
|
Japan |
5.0% |
|
France |
4.8% |
|
United Kingdom |
3.0% |
|
Netherlands |
2.7% |
|
Switzerland |
2.0% |
|
Germany |
1.3% |
|
Belgium |
1.0% |
|
Hong Kong |
1.0% |
|
Other |
3.6% |
|
Table Summary
Information Technology |
39.5% |
Industrials |
11.9% |
Financials |
10.9% |
Consumer Discretionary |
9.9% |
Health Care |
6.7% |
Communication Services |
6.4% |
Consumer Staples |
4.7% |
Materials |
3.8% |
Energy |
3.5% |
Utilities |
1.3% |
|
|
| Largest Holdings [Text Block] |
Table Summary
Lam Research Corp. |
8.1% |
NVIDIA Corp. |
8.0% |
Taiwan Semiconductor Manufacturing Co., Ltd. |
7.5% |
Western Digital Corp. |
5.7% |
Alphabet, Inc., Class A |
5.5% |
Amazon.com, Inc. |
4.9% |
MasterCard, Inc., Class A |
4.4% |
Howmet Aerospace, Inc. |
3.9% |
Linde PLC |
3.8% |
Microsoft Corp. |
3.8% |
|
|
| Material Fund Change [Text Block] |
|
|
| C000095019 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Columbia Select Global Equity Fund
|
|
| Class Name |
Class C
|
|
| Trading Symbol |
RGCEX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about Columbia Select Global Equity Fund (the Fund) for the period of November 1, 2025 to April 30, 2026.
|
|
| 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)
Table Summary
Class |
Cost of a $10,000 investment |
Cost paid as a percentage of a $10,000 investment |
Class C |
$100 |
1.95%Footnote Reference(a) |
| Footnote |
Description |
Footnote(a) |
Annualized |
|
|
| Expenses Paid, Amount |
$ 100
|
|
| Expense Ratio, Percent |
1.95%
|
[2] |
| AssetsNet |
$ 791,809,915
|
|
| Holdings Count | Holding |
42
|
|
| InvestmentCompanyPortfolioTurnover |
43.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Fund net assets |
$791,809,915 |
Total number of portfolio holdings |
42 |
Portfolio turnover for the reporting period |
43% |
|
|
| Holdings [Text Block] |
Table Summary
United States |
66.8% |
|
Taiwan |
7.5% |
|
Japan |
5.0% |
|
France |
4.8% |
|
United Kingdom |
3.0% |
|
Netherlands |
2.7% |
|
Switzerland |
2.0% |
|
Germany |
1.3% |
|
Belgium |
1.0% |
|
Hong Kong |
1.0% |
|
Other |
3.6% |
|
Table Summary
Information Technology |
39.5% |
Industrials |
11.9% |
Financials |
10.9% |
Consumer Discretionary |
9.9% |
Health Care |
6.7% |
Communication Services |
6.4% |
Consumer Staples |
4.7% |
Materials |
3.8% |
Energy |
3.5% |
Utilities |
1.3% |
|
|
| Largest Holdings [Text Block] |
Table Summary
Lam Research Corp. |
8.1% |
NVIDIA Corp. |
8.0% |
Taiwan Semiconductor Manufacturing Co., Ltd. |
7.5% |
Western Digital Corp. |
5.7% |
Alphabet, Inc., Class A |
5.5% |
Amazon.com, Inc. |
4.9% |
MasterCard, Inc., Class A |
4.4% |
Howmet Aerospace, Inc. |
3.9% |
Linde PLC |
3.8% |
Microsoft Corp. |
3.8% |
|
|
| Material Fund Change [Text Block] |
|
|
| C000097634 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Columbia Select Global Equity Fund
|
|
| Class Name |
Institutional 2 Class
|
|
| Trading Symbol |
RGERX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about Columbia Select Global Equity Fund (the Fund) for the period of November 1, 2025 to April 30, 2026.
|
|
| 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)
Table Summary
Class |
Cost of a $10,000 investment |
Cost paid as a percentage of a $10,000 investment |
Institutional 2 Class |
$48 |
0.93%Footnote Reference(a) |
| Footnote |
Description |
Footnote(a) |
Annualized |
|
|
| Expenses Paid, Amount |
$ 48
|
|
| Expense Ratio, Percent |
0.93%
|
[3] |
| AssetsNet |
$ 791,809,915
|
|
| Holdings Count | Holding |
42
|
|
| InvestmentCompanyPortfolioTurnover |
43.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Fund net assets |
$791,809,915 |
Total number of portfolio holdings |
42 |
Portfolio turnover for the reporting period |
43% |
|
|
| Holdings [Text Block] |
Table Summary
United States |
66.8% |
|
Taiwan |
7.5% |
|
Japan |
5.0% |
|
France |
4.8% |
|
United Kingdom |
3.0% |
|
Netherlands |
2.7% |
|
Switzerland |
2.0% |
|
Germany |
1.3% |
|
Belgium |
1.0% |
|
Hong Kong |
1.0% |
|
Other |
3.6% |
|
Table Summary
Information Technology |
39.5% |
Industrials |
11.9% |
Financials |
10.9% |
Consumer Discretionary |
9.9% |
Health Care |
6.7% |
Communication Services |
6.4% |
Consumer Staples |
4.7% |
Materials |
3.8% |
Energy |
3.5% |
Utilities |
1.3% |
|
|
| Largest Holdings [Text Block] |
Table Summary
Lam Research Corp. |
8.1% |
NVIDIA Corp. |
8.0% |
Taiwan Semiconductor Manufacturing Co., Ltd. |
7.5% |
Western Digital Corp. |
5.7% |
Alphabet, Inc., Class A |
5.5% |
Amazon.com, Inc. |
4.9% |
MasterCard, Inc., Class A |
4.4% |
Howmet Aerospace, Inc. |
3.9% |
Linde PLC |
3.8% |
Microsoft Corp. |
3.8% |
|
|
| Material Fund Change [Text Block] |
|
|
| C000184719 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Columbia Select Global Equity Fund
|
|
| Class Name |
Institutional 3 Class
|
|
| Trading Symbol |
CSEYX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about Columbia Select Global Equity Fund (the Fund) for the period of November 1, 2025 to April 30, 2026.
|
|
| 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)
Table Summary
Class |
Cost of a $10,000 investment |
Cost paid as a percentage of a $10,000 investment |
Institutional 3 Class |
$45 |
0.88%Footnote Reference(a) |
| Footnote |
Description |
Footnote(a) |
Annualized |
|
|
| Expenses Paid, Amount |
$ 45
|
|
| Expense Ratio, Percent |
0.88%
|
[4] |
| AssetsNet |
$ 791,809,915
|
|
| Holdings Count | Holding |
42
|
|
| InvestmentCompanyPortfolioTurnover |
43.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Fund net assets |
$791,809,915 |
Total number of portfolio holdings |
42 |
Portfolio turnover for the reporting period |
43% |
|
|
| Holdings [Text Block] |
Table Summary
United States |
66.8% |
|
Taiwan |
7.5% |
|
Japan |
5.0% |
|
France |
4.8% |
|
United Kingdom |
3.0% |
|
Netherlands |
2.7% |
|
Switzerland |
2.0% |
|
Germany |
1.3% |
|
Belgium |
1.0% |
|
Hong Kong |
1.0% |
|
Other |
3.6% |
|
Table Summary
Information Technology |
39.5% |
Industrials |
11.9% |
Financials |
10.9% |
Consumer Discretionary |
9.9% |
Health Care |
6.7% |
Communication Services |
6.4% |
Consumer Staples |
4.7% |
Materials |
3.8% |
Energy |
3.5% |
Utilities |
1.3% |
|
|
| Largest Holdings [Text Block] |
Table Summary
Lam Research Corp. |
8.1% |
NVIDIA Corp. |
8.0% |
Taiwan Semiconductor Manufacturing Co., Ltd. |
7.5% |
Western Digital Corp. |
5.7% |
Alphabet, Inc., Class A |
5.5% |
Amazon.com, Inc. |
4.9% |
MasterCard, Inc., Class A |
4.4% |
Howmet Aerospace, Inc. |
3.9% |
Linde PLC |
3.8% |
Microsoft Corp. |
3.8% |
|
|
| Material Fund Change [Text Block] |
|
|
| C000095023 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Columbia Select Global Equity Fund
|
|
| Class Name |
Institutional Class
|
|
| Trading Symbol |
CGEZX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about Columbia Select Global Equity Fund (the Fund) for the period of November 1, 2025 to April 30, 2026.
|
|
| 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)
Table Summary
Class |
Cost of a $10,000 investment |
Cost paid as a percentage of a $10,000 investment |
Institutional Class |
$49 |
0.95%Footnote Reference(a) |
| Footnote |
Description |
Footnote(a) |
Annualized |
|
|
| Expenses Paid, Amount |
$ 49
|
|
| Expense Ratio, Percent |
0.95%
|
[5] |
| AssetsNet |
$ 791,809,915
|
|
| Holdings Count | Holding |
42
|
|
| InvestmentCompanyPortfolioTurnover |
43.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Fund net assets |
$791,809,915 |
Total number of portfolio holdings |
42 |
Portfolio turnover for the reporting period |
43% |
|
|
| Holdings [Text Block] |
Table Summary
United States |
66.8% |
|
Taiwan |
7.5% |
|
Japan |
5.0% |
|
France |
4.8% |
|
United Kingdom |
3.0% |
|
Netherlands |
2.7% |
|
Switzerland |
2.0% |
|
Germany |
1.3% |
|
Belgium |
1.0% |
|
Hong Kong |
1.0% |
|
Other |
3.6% |
|
Table Summary
Information Technology |
39.5% |
Industrials |
11.9% |
Financials |
10.9% |
Consumer Discretionary |
9.9% |
Health Care |
6.7% |
Communication Services |
6.4% |
Consumer Staples |
4.7% |
Materials |
3.8% |
Energy |
3.5% |
Utilities |
1.3% |
|
|
| Largest Holdings [Text Block] |
Table Summary
Lam Research Corp. |
8.1% |
NVIDIA Corp. |
8.0% |
Taiwan Semiconductor Manufacturing Co., Ltd. |
7.5% |
Western Digital Corp. |
5.7% |
Alphabet, Inc., Class A |
5.5% |
Amazon.com, Inc. |
4.9% |
MasterCard, Inc., Class A |
4.4% |
Howmet Aerospace, Inc. |
3.9% |
Linde PLC |
3.8% |
Microsoft Corp. |
3.8% |
|
|
| Material Fund Change [Text Block] |
|
|
| C000097563 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Columbia Seligman Global Technology Fund
|
|
| Class Name |
Class A
|
|
| Trading Symbol |
SHGTX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about Columbia Seligman Global Technology Fund (the Fund) for the period of November 1, 2025 to April 30, 2026.
|
|
| 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)
Table Summary
Class |
Cost of a $10,000 investment |
Cost paid as a percentage of a $10,000 investment |
Class A |
$71 |
1.25%Footnote Reference(a) |
| Footnote |
Description |
Footnote(a) |
Annualized |
|
|
| Expenses Paid, Amount |
$ 71
|
|
| Expense Ratio, Percent |
1.25%
|
[6] |
| AssetsNet |
$ 4,182,302,682
|
|
| Holdings Count | Holding |
80
|
|
| InvestmentCompanyPortfolioTurnover |
17.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Fund net assets |
$4,182,302,682 |
Total number of portfolio holdings |
80 |
Portfolio turnover for the reporting period |
17% |
|
|
| Holdings [Text Block] |
Information Technology Sub-Industry Allocation
Table Summary
Semiconductors |
24.4% |
Semiconductor Materials & Equipment |
12.0% |
Technology Hardware, Storage & Peripherals |
9.4% |
Systems Software |
8.4% |
Application Software |
5.3% |
Communications Equipment |
3.8% |
Internet Services & Infrastructure |
2.2% |
Electronic Equipment & Instruments |
1.8% |
Other |
0.3% |
Table Summary
Information Technology |
67.6% |
Industrials |
14.7% |
Communication Services |
9.4% |
Financials |
3.8% |
Consumer Discretionary |
2.5% |
Utilities |
0.5% |
Real Estate |
0.1% |
|
|
| Largest Holdings [Text Block] |
Table Summary
Bloom Energy Corp., Class A |
13.5% |
Lam Research Corp. |
6.8% |
Marvell Technology, Inc. |
5.5% |
Broadcom, Inc. |
4.8% |
NVIDIA Corp. |
4.8% |
Alphabet, Inc., Class A |
4.3% |
Western Digital Corp. |
3.8% |
Applied Materials, Inc. |
3.5% |
Apple, Inc. |
2.8% |
Microsoft Corp. |
2.8% |
|
|
| Material Fund Change [Text Block] |
|
|
| C000097565 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Columbia Seligman Global Technology Fund
|
|
| Class Name |
Class C
|
|
| Trading Symbol |
SHTCX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about Columbia Seligman Global Technology Fund (the Fund) for the period of November 1, 2025 to April 30, 2026.
|
|
| 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)
Table Summary
Class |
Cost of a $10,000 investment |
Cost paid as a percentage of a $10,000 investment |
Class C |
$113 |
2.00%Footnote Reference(a) |
| Footnote |
Description |
Footnote(a) |
Annualized |
|
|
| Expenses Paid, Amount |
$ 113
|
|
| Expense Ratio, Percent |
2.00%
|
[7] |
| AssetsNet |
$ 4,182,302,682
|
|
| Holdings Count | Holding |
80
|
|
| InvestmentCompanyPortfolioTurnover |
17.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Fund net assets |
$4,182,302,682 |
Total number of portfolio holdings |
80 |
Portfolio turnover for the reporting period |
17% |
|
|
| Holdings [Text Block] |
Information Technology Sub-Industry Allocation
Table Summary
Semiconductors |
24.4% |
Semiconductor Materials & Equipment |
12.0% |
Technology Hardware, Storage & Peripherals |
9.4% |
Systems Software |
8.4% |
Application Software |
5.3% |
Communications Equipment |
3.8% |
Internet Services & Infrastructure |
2.2% |
Electronic Equipment & Instruments |
1.8% |
Other |
0.3% |
Table Summary
Information Technology |
67.6% |
Industrials |
14.7% |
Communication Services |
9.4% |
Financials |
3.8% |
Consumer Discretionary |
2.5% |
Utilities |
0.5% |
Real Estate |
0.1% |
|
|
| Largest Holdings [Text Block] |
Table Summary
Bloom Energy Corp., Class A |
13.5% |
Lam Research Corp. |
6.8% |
Marvell Technology, Inc. |
5.5% |
Broadcom, Inc. |
4.8% |
NVIDIA Corp. |
4.8% |
Alphabet, Inc., Class A |
4.3% |
Western Digital Corp. |
3.8% |
Applied Materials, Inc. |
3.5% |
Apple, Inc. |
2.8% |
Microsoft Corp. |
2.8% |
|
|
| Material Fund Change [Text Block] |
|
|
| C000097567 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Columbia Seligman Global Technology Fund
|
|
| Class Name |
Class R
|
|
| Trading Symbol |
SGTRX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about Columbia Seligman Global Technology Fund (the Fund) for the period of November 1, 2025 to April 30, 2026.
|
|
| 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)
Table Summary
Class |
Cost of a $10,000 investment |
Cost paid as a percentage of a $10,000 investment |
Class R |
$85 |
1.50%Footnote Reference(a) |
| Footnote |
Description |
Footnote(a) |
Annualized |
|
|
| Expenses Paid, Amount |
$ 85
|
|
| Expense Ratio, Percent |
1.50%
|
[8] |
| AssetsNet |
$ 4,182,302,682
|
|
| Holdings Count | Holding |
80
|
|
| InvestmentCompanyPortfolioTurnover |
17.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Fund net assets |
$4,182,302,682 |
Total number of portfolio holdings |
80 |
Portfolio turnover for the reporting period |
17% |
|
|
| Holdings [Text Block] |
Information Technology Sub-Industry Allocation
Table Summary
Semiconductors |
24.4% |
Semiconductor Materials & Equipment |
12.0% |
Technology Hardware, Storage & Peripherals |
9.4% |
Systems Software |
8.4% |
Application Software |
5.3% |
Communications Equipment |
3.8% |
Internet Services & Infrastructure |
2.2% |
Electronic Equipment & Instruments |
1.8% |
Other |
0.3% |
Table Summary
Information Technology |
67.6% |
Industrials |
14.7% |
Communication Services |
9.4% |
Financials |
3.8% |
Consumer Discretionary |
2.5% |
Utilities |
0.5% |
Real Estate |
0.1% |
|
|
| Largest Holdings [Text Block] |
Table Summary
Bloom Energy Corp., Class A |
13.5% |
Lam Research Corp. |
6.8% |
Marvell Technology, Inc. |
5.5% |
Broadcom, Inc. |
4.8% |
NVIDIA Corp. |
4.8% |
Alphabet, Inc., Class A |
4.3% |
Western Digital Corp. |
3.8% |
Applied Materials, Inc. |
3.5% |
Apple, Inc. |
2.8% |
Microsoft Corp. |
2.8% |
|
|
| Material Fund Change [Text Block] |
|
|
| C000253702 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Columbia Seligman Global Technology Fund
|
|
| Class Name |
Class S
|
|
| Trading Symbol |
CSGAX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about Columbia Seligman Global Technology Fund (the Fund) for the period of November 1, 2025 to April 30, 2026.
|
|
| 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)
Table Summary
Class |
Cost of a $10,000 investment |
Cost paid as a percentage of a $10,000 investment |
Class S |
$57 |
1.00%Footnote Reference(a) |
| Footnote |
Description |
Footnote(a) |
Annualized |
|
|
| Expenses Paid, Amount |
$ 57
|
|
| Expense Ratio, Percent |
1.00%
|
[9] |
| AssetsNet |
$ 4,182,302,682
|
|
| Holdings Count | Holding |
80
|
|
| InvestmentCompanyPortfolioTurnover |
17.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Fund net assets |
$4,182,302,682 |
Total number of portfolio holdings |
80 |
Portfolio turnover for the reporting period |
17% |
|
|
| Holdings [Text Block] |
Information Technology Sub-Industry Allocation
Table Summary
Semiconductors |
24.4% |
Semiconductor Materials & Equipment |
12.0% |
Technology Hardware, Storage & Peripherals |
9.4% |
Systems Software |
8.4% |
Application Software |
5.3% |
Communications Equipment |
3.8% |
Internet Services & Infrastructure |
2.2% |
Electronic Equipment & Instruments |
1.8% |
Other |
0.3% |
Table Summary
Information Technology |
67.6% |
Industrials |
14.7% |
Communication Services |
9.4% |
Financials |
3.8% |
Consumer Discretionary |
2.5% |
Utilities |
0.5% |
Real Estate |
0.1% |
|
|
| Largest Holdings [Text Block] |
Table Summary
Bloom Energy Corp., Class A |
13.5% |
Lam Research Corp. |
6.8% |
Marvell Technology, Inc. |
5.5% |
Broadcom, Inc. |
4.8% |
NVIDIA Corp. |
4.8% |
Alphabet, Inc., Class A |
4.3% |
Western Digital Corp. |
3.8% |
Applied Materials, Inc. |
3.5% |
Apple, Inc. |
2.8% |
Microsoft Corp. |
2.8% |
|
|
| Material Fund Change [Text Block] |
|
|
| C000097569 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Columbia Seligman Global Technology Fund
|
|
| Class Name |
Institutional 2 Class
|
|
| Trading Symbol |
SGTTX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about Columbia Seligman Global Technology Fund (the Fund) for the period of November 1, 2025 to April 30, 2026.
|
|
| 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)
Table Summary
Class |
Cost of a $10,000 investment |
Cost paid as a percentage of a $10,000 investment |
Institutional 2 Class |
$54 |
0.95%Footnote Reference(a) |
| Footnote |
Description |
Footnote(a) |
Annualized |
|
|
| Expenses Paid, Amount |
$ 54
|
|
| Expense Ratio, Percent |
0.95%
|
[10] |
| AssetsNet |
$ 4,182,302,682
|
|
| Holdings Count | Holding |
80
|
|
| InvestmentCompanyPortfolioTurnover |
17.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Fund net assets |
$4,182,302,682 |
Total number of portfolio holdings |
80 |
Portfolio turnover for the reporting period |
17% |
|
|
| Holdings [Text Block] |
Information Technology Sub-Industry Allocation
Table Summary
Semiconductors |
24.4% |
Semiconductor Materials & Equipment |
12.0% |
Technology Hardware, Storage & Peripherals |
9.4% |
Systems Software |
8.4% |
Application Software |
5.3% |
Communications Equipment |
3.8% |
Internet Services & Infrastructure |
2.2% |
Electronic Equipment & Instruments |
1.8% |
Other |
0.3% |
Table Summary
Information Technology |
67.6% |
Industrials |
14.7% |
Communication Services |
9.4% |
Financials |
3.8% |
Consumer Discretionary |
2.5% |
Utilities |
0.5% |
Real Estate |
0.1% |
|
|
| Largest Holdings [Text Block] |
Table Summary
Bloom Energy Corp., Class A |
13.5% |
Lam Research Corp. |
6.8% |
Marvell Technology, Inc. |
5.5% |
Broadcom, Inc. |
4.8% |
NVIDIA Corp. |
4.8% |
Alphabet, Inc., Class A |
4.3% |
Western Digital Corp. |
3.8% |
Applied Materials, Inc. |
3.5% |
Apple, Inc. |
2.8% |
Microsoft Corp. |
2.8% |
|
|
| Material Fund Change [Text Block] |
|
|
| C000184720 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Columbia Seligman Global Technology Fund
|
|
| Class Name |
Institutional 3 Class
|
|
| Trading Symbol |
CGTYX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about Columbia Seligman Global Technology Fund (the Fund) for the period of November 1, 2025 to April 30, 2026.
|
|
| 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)
Table Summary
Class |
Cost of a $10,000 investment |
Cost paid as a percentage of a $10,000 investment |
Institutional 3 Class |
$51 |
0.90%Footnote Reference(a) |
| Footnote |
Description |
Footnote(a) |
Annualized |
|
|
| Expenses Paid, Amount |
$ 51
|
|
| Expense Ratio, Percent |
0.90%
|
[11] |
| AssetsNet |
$ 4,182,302,682
|
|
| Holdings Count | Holding |
80
|
|
| InvestmentCompanyPortfolioTurnover |
17.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Fund net assets |
$4,182,302,682 |
Total number of portfolio holdings |
80 |
Portfolio turnover for the reporting period |
17% |
|
|
| Holdings [Text Block] |
Information Technology Sub-Industry Allocation
Table Summary
Semiconductors |
24.4% |
Semiconductor Materials & Equipment |
12.0% |
Technology Hardware, Storage & Peripherals |
9.4% |
Systems Software |
8.4% |
Application Software |
5.3% |
Communications Equipment |
3.8% |
Internet Services & Infrastructure |
2.2% |
Electronic Equipment & Instruments |
1.8% |
Other |
0.3% |
Table Summary
Information Technology |
67.6% |
Industrials |
14.7% |
Communication Services |
9.4% |
Financials |
3.8% |
Consumer Discretionary |
2.5% |
Utilities |
0.5% |
Real Estate |
0.1% |
|
|
| Largest Holdings [Text Block] |
Table Summary
Bloom Energy Corp., Class A |
13.5% |
Lam Research Corp. |
6.8% |
Marvell Technology, Inc. |
5.5% |
Broadcom, Inc. |
4.8% |
NVIDIA Corp. |
4.8% |
Alphabet, Inc., Class A |
4.3% |
Western Digital Corp. |
3.8% |
Applied Materials, Inc. |
3.5% |
Apple, Inc. |
2.8% |
Microsoft Corp. |
2.8% |
|
|
| Material Fund Change [Text Block] |
|
|
| C000097570 |
|
|
| Shareholder Report [Line Items] |
|
|
| Fund Name |
Columbia Seligman Global Technology Fund
|
|
| Class Name |
Institutional Class
|
|
| Trading Symbol |
CSGZX
|
|
| Annual or Semi-Annual Statement [Text Block] |
This semi-annual shareholder report contains important information about Columbia Seligman Global Technology Fund (the Fund) for the period of November 1, 2025 to April 30, 2026.
|
|
| 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)
Table Summary
Class |
Cost of a $10,000 investment |
Cost paid as a percentage of a $10,000 investment |
Institutional Class |
$57 |
1.00%Footnote Reference(a) |
| Footnote |
Description |
Footnote(a) |
Annualized |
|
|
| Expenses Paid, Amount |
$ 57
|
|
| Expense Ratio, Percent |
1.00%
|
[12] |
| AssetsNet |
$ 4,182,302,682
|
|
| Holdings Count | Holding |
80
|
|
| InvestmentCompanyPortfolioTurnover |
17.00%
|
|
| Additional Fund Statistics [Text Block] |
Table Summary
Fund net assets |
$4,182,302,682 |
Total number of portfolio holdings |
80 |
Portfolio turnover for the reporting period |
17% |
|
|
| Holdings [Text Block] |
Information Technology Sub-Industry Allocation
Table Summary
Semiconductors |
24.4% |
Semiconductor Materials & Equipment |
12.0% |
Technology Hardware, Storage & Peripherals |
9.4% |
Systems Software |
8.4% |
Application Software |
5.3% |
Communications Equipment |
3.8% |
Internet Services & Infrastructure |
2.2% |
Electronic Equipment & Instruments |
1.8% |
Other |
0.3% |
Table Summary
Information Technology |
67.6% |
Industrials |
14.7% |
Communication Services |
9.4% |
Financials |
3.8% |
Consumer Discretionary |
2.5% |
Utilities |
0.5% |
Real Estate |
0.1% |
|
|
| Largest Holdings [Text Block] |
Table Summary
Bloom Energy Corp., Class A |
13.5% |
Lam Research Corp. |
6.8% |
Marvell Technology, Inc. |
5.5% |
Broadcom, Inc. |
4.8% |
NVIDIA Corp. |
4.8% |
Alphabet, Inc., Class A |
4.3% |
Western Digital Corp. |
3.8% |
Applied Materials, Inc. |
3.5% |
Apple, Inc. |
2.8% |
Microsoft Corp. |
2.8% |
|
|
| Material Fund Change [Text Block] |
|
|
|
|