Columbia Banking System Inc (COLB)
Who owns Columbia Banking System Inc (COLB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.1% of the shares are freely tradable; institutional investors hold 99.4%.
Ownership Structure
Largest Shareholders
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Keeley Teton Small Cap Opportunities | 0.01 | 20,738 | +0.0 | 03/31/2024 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.