Columbia Banking System, Inc.
COLB- Exchange
- Nasdaq
- Industry
- State Commercial Banks
- SEC CIK
- 0000887343
In the last 90 days, Columbia Banking System, Inc. insiders filed 0 open-market purchases and 1 sale; 559 institutions reported holding it in 13F filings for Q2 2026, worth $8.63B in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 10, 2026
- $8.52B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $328.6K in total
- 1
- 13F holdersQ2 2026, +37 vs. previous quarter
- 559
- 13F valueReported value at the end of Q2 2026
- $8.63B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $177.0M
- +18.9% year over year
- Net income, FY2025
- $550.0M
- +3.1% year over year
- Free cash flow, FY2025
- –
- No comparable prior period
- Revenue, Q3 FY2026
- $832.0M
- +12.4% year over year
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 10.5M
- Shares sold short
- Change
- −1.13M
- −9.7% vs. previous
- Days to cover
- 3.52
- At average daily volume
Superinvestors holding COLB, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding COLB at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Columbia Banking System, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 30, 2026 (view filing)6:48 PM ET | Oct 29 | 1 day | Gardner Steven RDirector | SSale | −10.5K | $31.23 | −$328.6K | −80.3%2.58K after | 7 lots |
| Jul 2, 2026 (view filing)5:17 PM ET | Jun 30 | 2 days | Deer Aaron JamesEVP Chief Strategy/Innov Offcr | PPurchase | +886 | $25.37 | +$22.5K | +2.1%42.8K after | |
| Jun 10, 2026 (view filing) | Jun 8 | 2 days | Moore Devine DavidEVP Chief Marketing Officer | SSale | −3.87K | $29.78 | −$115.3K | −17.2%18.6K after | 2 lots |
| Mar 5, 2026 (view filing) | Mar 3-4 | 2 days | Nixon Torran BSenior Executive VP | SSale | −4.48K | $28.55 | −$127.9K | −4.4%98.2K after | 2 lots10b5-1 |
| Feb 3, 2026 (view filing) | Jan 30 | 4 days | Gardner Steven RDirector | SSale | −13.7K | $29.43 | −$403.9K | −100.0%0 after | |
| Mar 5, 2025 (view filing) | Mar 4 | 1 day | Nixon Torran BSenior Executive VP | SSale | −4.48K | $25.99 | −$116.5K | −4.1%104.9K after | 10b5-1 |
| Feb 7, 2024 (view filing) | Feb 6 | 1 day | Seaton Elizabeth WhiteheadDirector | PPurchase | +2.69K | $18.48 | +$49.6K | +12.0%25.0K after | |
| Feb 2, 2024 (view filing) | Feb 1 | 1 day | Lund Randal LeeDirector | PPurchase | +1.00K | $19.29 | +$19.3K | +6.2%17.1K after | |
| Feb 1, 2024 (view filing) | Jan 31 | 1 day | Machuca LuisDirector | PPurchase | +4.89K | $20.58 | +$100.6K | +8.7%60.8K after | |
| Feb 1, 2024 (view filing) | Feb 1 | Same day | Deer Aaron JamesChief Strategy/Innovation Offc | PPurchase | +2.00K | $19.32 | +$38.6K | +5.7%36.9K after |
Top 10 13F holders, Q2 2026
See all 559 holdersThe largest institutional positions in Columbia Banking System, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 27,470,920 | $880.4M | 0.01% | +405,919+1.5% | Added |
| T. Rowe Price Investment Management, Inc. | 15,633,948 | $501.1M | 0.33% | −281,577−1.8% | Reduced |
| Dimensional Fund Advisors LP | 13,906,292 | $445.7M | 0.08% | +356,689+2.6% | Added |
| Vanguard Portfolio Management LLC | 13,678,183 | $438.4M | 0.02% | −661,533−4.6% | Reduced |
| Vanguard Capital Management LLC | 13,072,525 | $419.0M | 0.01% | −152,100−1.2% | Reduced |
| State Street Corp | 12,694,096 | $406.8M | 0.01% | +217,936+1.7% | Added |
| Wellington Management Group LLP | 11,686,430 | $374.6M | 0.06% | −3,257,845−21.8% | Reduced |
| Charles Schwab Investment Management Inc | 11,025,378 | $353.4M | 0.05% | +585,587+5.6% | Added |
| Price T Rowe Associates Inc | 9,879,006 | $316.6M | 0.03% | +905,586+10.1% | Added |
| American Century Companies Inc | 7,903,579 | $253.3M | 0.11% | −1,832,490−18.8% | Reduced |
Holders of 5% or more of COLB
See all 1 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Columbia Banking System, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 13G | 5.24%15.5M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
Politician trades
All politician trades in COLB3 members of Congress reported 4 trades in Columbia Banking System, Inc. since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Apr 8, 2026 |  Josh Gottheimer House · NJ | Sell | $1K-$15K |
| Feb 13, 2026 |  Gilbert Ray Cisneros, Jr. House · CA | Sell | $15K-$50K |
| Nov 18, 2025 | Gilbert Ray Cisneros, Jr. House · CA | Buy | $1K-$15K |
| May 19, 2023 |  Daniel S. Goldman House · NY | Buy | $15K-$50K |
House · NJ · Apr 8, 2026
Sell$1K-$15K
House · CA · Feb 13, 2026
Sell$15K-$50K
House · CA · Nov 18, 2025
Buy$1K-$15K
House · NY · May 19, 2023
Buy$15K-$50K