Who owns COLUMBIA BANKING SYSTEM, INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of COLB from SEC Form 13F filings across 554 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 554 institutions disclosed 269.1M shares of COLUMBIA BANKING SYSTEM, INC. worth $8.63B — about 94.3% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
554
13F holders
$8.63B
value, 2026 filers
94.3%
of shares outstanding (269.1M sh)
89
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of COLB's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 27.5M | $880.4M | 0.0% | 9.6% | +1.5% |
| 2 | T. Rowe Price Investment Management, Inc. | 15.6M | $501.1M | 0.3% | 5.5% | -1.8% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 13.9M | $445.7M | 0.1% | 4.9% | +2.6% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 13.7M | $438.4M | 0.0% | 4.8% | -4.6% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 13.1M | $419.0M | 0.0% | 4.6% | -1.2% |
| 6 | STATE STREET CORP | 12.7M | $406.8M | 0.0% | 4.4% | +1.7% |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | 11.7M | $374.6M | 0.1% | 4.1% | -21.8% |
| 8 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11.0M | $353.4M | 0.0% | 3.9% | +5.6% |
| 9 | PRICE T ROWE ASSOCIATES INC /MD/ | 9.9M | $316.6M | 0.0% | 3.5% | +10.1% |
| 10 | AMERICAN CENTURY COMPANIES INC | 7.9M | $253.3M | 0.1% | 2.8% | -18.8% |
| 11 | FRANKLIN RESOURCES INC | 6.1M | $195.6M | 0.0% | 2.1% | -1.4% |
| 12 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 6.0M | $193.0M | 0.1% | 2.1% | -1.1% |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 5.8M | $185.8M | 0.0% | 2% | -1.2% |
| 14 | HoldCo Asset Management, LP | 5.7M | $183.4M | 11.8% | 2% | 0.0% |
| 15 | Invesco Ltd. | 4.7M | $150.2M | 0.0% | 1.6% | +14.4% |
| 16 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 4.0M | $128.4M | 0.8% | 1.4% | -3.4% |
| 17 | MORGAN STANLEY | 3.8M | $122.3M | 0.0% | 1.3% | -22.2% |
| 18 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 3.8M | $122.0M | 0.2% | 1.3% | -2.4% |
| 19 | Bank of New York Mellon Corp | 3.8M | $120.9M | 0.0% | 1.3% | -49.1% |
| 20 | MACKENZIE FINANCIAL CORP | 3.2M | $101.8M | 0.1% | 1.1% | +179.9% |
| 21 | Epoch Investment Partners, Inc. | 3.1M | $100.8M | 0.6% | 1.1% | +24.2% |
| 22 | NORGES BANKNEW | 3.0M | $95.1M | 0.0% | 1% | new |
| 23 | UBS Group AG | 2.6M | $84.5M | 0.0% | 0.9% | -25.2% |
| 24 | NORTHERN TRUST CORP | 2.6M | $83.7M | 0.0% | 0.9% | -0.1% |
| 25 | GOLDMAN SACHS GROUP INC | 2.6M | $82.4M | 0.0% | 0.9% | +91.5% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.