Columbia Banking System (COLB)
Operates a unified western-US bank forged from three major bank mergers.
$29.20
vs last close−0.14 (−0.47%)
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13F · 13D/G · Form 4
| Institutions | 99.10% | 280.35M shares | |
|---|---|---|---|
| 562 holders · as of Jun 30, 2026 | |||
| Insiders | 0.57% | 1.61M shares | |
| 29 holders · as of Sep 8, 2026 | |||
| Strategic holders | 0.00% | 10.9K shares | |
| 1 holder · as of Dec 1, 2025 | |||
| Other | 0.33% | 927.0K shares | |
| remainder | |||
282.90M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
562 holders · 280.35M shares · 86 new positions · 267 increased · 204 reduced · 58 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 27.47M | 9.71% | +405.9K | Aug 7, 2026 |
| T. Rowe Price Investment Management, Inc. | 15.63M | 5.53% | −281.6K | Aug 14, 2026 |
| Dimensional Fund Advisors LP | 13.91M | 4.92% | +356.7K | Aug 11, 2026 |
| Vanguard Portfolio Management LLC | 13.68M | 4.83% | −661.5K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 13.07M | 4.62% | −152.1K | Aug 13, 2026 |
| State Street Corp | 12.69M | 4.49% | +217.9K | Aug 7, 2026 |
| Wellington Management Group LLP | 11.69M | 4.13% | −3.26M | Aug 14, 2026 |
| Charles Schwab Investment Management Inc | 11.03M | 3.90% | +585.6K | Aug 14, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Wellington Management Group LLP | 6.10% | 18.11M | 13G | Feb 10, 2026 |
| T. Rowe Price Investment Management, Inc. | 6.00% | 12.59M | 13G | Nov 14, 2024 |
| Vanguard Capital Management | 5.24% | 15.49M | 13G | Apr 29, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jun 30, 2026 | Aaron James Deerofficer: EVP Chief Strategy/Innov Offcr | Purchase | 886 | $25.37 | 42,761 |
| Jun 8, 2026 | Devine David Mooreofficer: EVP Chief Marketing Officer | Sale · 2 lots | 3,872 | $29.77 | 18,636 |
| Mar 13, 2026 | Kumi Yamamoto Baruffiofficer: EVP General Counsel, Corp Sec | Sale | 937 | $26.23 | 53,715 |
| Mar 13, 2026 | Brock Lakelyofficer: EVP, Chief Accounting Officer | Sale | 211 | $26.23 | 11,104 |
| Mar 4, 2026 | Torran B. Nixonofficer: Senior Executive VP | Sale | 2,240 | $28.85 | 98,229 |
| Mar 3, 2026 | Torran B. Nixonofficer: Senior Executive VP | Sale | 2,241 | $28.25 | 100,469 |
| Jan 30, 2026 | Steven R. Gardnerdirector | Sale | 13,725 | $29.43 | 0 |
House and Senate disclosures
| Member | Type | Amount | Owner | Traded | Disclosed |
|---|---|---|---|---|---|
| Rep. Josh Gottheimer · NJ05 | Sale | $1,001 – $15,000 | Joint | Mar 5, 2026 | Apr 9, 2026 |