# Columbia Banking System, Inc.: overview

COLB · Nasdaq · CIK 887343 · [Financials](/sectors/financials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/colb.md) · [Financials](/companies/colb/financials.md) · [Filings](/companies/colb/filings.md) · [Insiders](/companies/colb/insiders.md)

Revenue is not reported in this company’s XBRL financial statements.

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $ | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Net margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Diluted EPS | $ per share | [0.70](/filings/0000887343-25-000268.md) | not reported | [0.41](/filings/0000887343-26-000135.md) | [0.73](/filings/0000887343-26-000170.md) | [0.40](/filings/0000887343-25-000268.md) | not reported | [0.66](/filings/0000887343-26-000135.md) | [0.73](/filings/0000887343-26-000170.md) |
| Free cash flow | $ | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |

- Revenue. XBRL not reported.
- Gross margin (gross profit / revenue). XBRL not reported.
- Operating margin (operating income / revenue). XBRL not reported.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [83.3](/filings/0000887343-24-000089.md) | [85.8](/filings/0000887343-25-000054.md) | [134](/filings/0000887343-26-000088.md) | [149](/filings/0000887343-26-000088.md) | [177](/filings/0000887343-26-000088.md) |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | not reported | not reported | not reported | not reported | not reported |
| Net margin | % | [504.5%](/filings/0000887343-24-000089.md) | [392.4%](/filings/0000887343-25-000054.md) | [260.4%](/filings/0000887343-26-000088.md) | [358.4%](/filings/0000887343-26-000088.md) | [310.7%](/filings/0000887343-26-000088.md) |
| Diluted EPS | $ per share | [3.21](/filings/0000887343-24-000089.md) | [2.60](/filings/0000887343-25-000054.md) | [1.78](/filings/0000887343-26-000088.md) | [2.55](/filings/0000887343-26-000088.md) | [2.30](/filings/0000887343-26-000088.md) |
| Free cash flow | $m | [647](/filings/0000887343-24-000089.md) | [1,038](/filings/0000887343-25-000054.md) | not reported | not reported | not reported |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/colb/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $880.4m | 27,470,920 |  | Added +405,919 |
| [DIMENSIONAL FUND ADVISORS LP](/funds/354204.md) | 2026-06-30 | $445.7m | 13,906,292 |  | Added +356,689 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $438.4m | 13,678,183 |  | Reduced −661,533 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $419.0m | 13,072,525 |  | Reduced −152,100 |
| [STATE STREET CORP](/funds/93751.md) | 2026-06-30 | $406.8m | 12,694,096 |  | Added +217,936 |
| [WELLINGTON MANAGEMENT GROUP LLP](/funds/902219.md) | 2026-06-30 | $374.6m | 11,686,430 |  | Reduced −3,257,845 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](/funds/884546.md) | 2026-06-30 | $353.4m | 11,025,378 |  | Added +585,587 |
| [AMERICAN CENTURY COMPANIES INC](/funds/748054.md) | 2026-06-30 | $253.3m | 7,903,579 |  | Reduced −1,832,490 |
| [FRANKLIN RESOURCES INC](/funds/38777.md) | 2026-06-30 | $195.6m | 6,101,719 |  | Reduced −85,428 |
| [MASSACHUSETTS FINANCIAL SERVICES CO /MA/](/funds/912938.md) | 2026-06-30 | $193.0m | 5,958,440 |  | Reduced −65,934 |

## Recent filings

[All 1,536 filings](/companies/colb/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-27 | 16:03 ET | [8-K](/filings/0001193125-26-434182.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-434182 |
| 2026-10-22 | 16:15 ET | [8-K](/filings/0000887343-26-000184.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000887343-26-000184 |
| 2026-09-30 | 17:07 ET | [8-K](/filings/0000887343-26-000181.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000887343-26-000181 |
| 2026-08-14 | 16:35 ET | [8-K](/filings/0000887343-26-000173.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0000887343-26-000173 |
| 2026-08-04 | 17:29 ET | [10-Q](/filings/0000887343-26-000170.md) | Quarterly report, period 2026-06-30 | 0000887343-26-000170 |
| 2026-07-30 | 17:27 ET | [8-K](/filings/0000887343-26-000167.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000887343-26-000167 |
| 2026-07-23 | 16:31 ET | [8-K](/filings/0000887343-26-000165.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000887343-26-000165 |
| 2026-07-01 | 18:00 ET | [8-K](/filings/0000887343-26-000159.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000887343-26-000159 |
| 2026-05-15 | 13:42 ET | [8-K](/filings/0000887343-26-000143.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0000887343-26-000143 |
| 2026-05-15 | 13:39 ET | [8-K](/filings/0000887343-26-000142.md) | 5.07 Shareholder vote results | 0000887343-26-000142 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0000887343-26-000088.md), filed Feb 26, 2026.

## Forecast league

Not in this season’s league. [This season’s league](/leagues.md)

## About the filer

- CIK: 887343
- Tickers: COLB
- Exchange: Nasdaq
- SIC code: 6022 State Commercial Banks
- State of incorporation: WA
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 30, 2026, 18:49 ET. No prices; not investment advice.