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 1 open-market purchase and 0 sales; 555 institutions reported holding it in 13F filings for Q2 2026, worth $8.63B in total; no superinvestor holds it.
Key figures
- Insider buysLast 90 days, $22.5K in total
- 1
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +37 vs. previous quarter
- 555
- 13F valueReported value at the end of Q2 2026
- $8.63B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding COLB, Q2 2026
No superinvestor reported holding COLB at the end of Q2 2026.
Latest insider trades
Open-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 |
|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| Feb 1, 2024 (view filing) | Jan 31 | 1 day | Nixon Torran BSenior Executive VP | PPurchase | +3.65K | $20.49 | +$74.8K | +2.8%135.8K after |
Top 10 13F holders, Q2 2026
The 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 |