Columbia Banking System, Inc. (COLB) Institutional OwnershipQ2 2026 13F Data|Updated 2026-11-07
Institutional ownership decreased this quarter (-2.81 pp), while top 10 holders maintain a highly concentrated 51.5% of value.
Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in COLB held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 27.5M | $880.4M | +1.5% | 9.713% | 0.01% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 13.9M | $445.7M | +2.6% | 4.917% | 0.08% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 13.7M | $438.4M | -4.6% | 4.836% | 0.02% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 13.1M | $419.0M | -1.1% | 4.622% | 0.01% |
| 5 | STATE STREET CORP | 12.7M | $406.8M | +1.8% | 4.488% | 0.01% |
| 6 | WELLINGTON MANAGEMENT GROUP LLP | 11.7M | $374.6M | -21.8% | 4.132% | 0.06% |
| 7 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 11.0M | $353.4M | +5.6% | 3.898% | 0.05% |
| 8 | AMERICAN CENTURY COMPANIES INC | 7.9M | $253.3M | -18.8% | 2.795% | 0.11% |
| 9 | FRANKLIN RESOURCES INC | 6.1M | $195.6M | -1.4% | 2.158% | 0.04% |
| 10 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 6.0M | $193.0M | -1.1% | 2.107% | 0.06% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 5.8M | $185.8M | -1.2% | 2.049% | 0.01% |
| 12 | HoldCo Asset Management, LP | 5.7M | $183.4M | 0.0% | 2.023% | 11.77% |
| 13 | Invesco Ltd. | 4.7M | $150.2M | +14.4% | 1.657% | 0.01% |
| 14 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 4.0M | $128.4M | -3.4% | 1.416% | 0.84% |
| 15 | MORGAN STANLEY | 3.8M | $122.3M | -22.1% | 1.349% | 0.01% |
| 16 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 3.8M | $122.0M | -2.4% | 1.346% | 0.18% |
| 17 | Bank of New York Mellon Corp | 3.8M | $120.9M | -49.1% | 1.333% | 0.02% |
| 18 | MACKENZIE FINANCIAL CORP | 3.2M | $101.8M | +180.0% | 1.123% | 0.10% |
| 19 | Epoch Investment Partners, Inc. | 3.1M | $100.8M | +24.2% | 1.112% | 0.57% |
| 20 | NORGES BANK | 3.0M | $95.1M | — | 1.049% | 0.01% |
| 21 | UBS Group AG | 2.6M | $84.5M | -25.2% | 0.932% | 0.01% |
| 22 | NORTHERN TRUST CORP | 2.6M | $83.7M | -0.1% | 0.923% | 0.01% |
| 23 | GOLDMAN SACHS GROUP INC | 2.6M | $82.4M | +91.5% | 0.909% | 0.01% |
| 24 | Fisher Asset Management, LLC | 2.5M | $79.5M | +6.9% | 0.877% | 0.02% |
| 25 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 2.1M | $68.9M | +3.8% | 0.760% | 0.03% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in COLB — a direct measure of their conviction.
Filings activity in COLB during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new COLB position in Q2 2026
Institutions that fully closed their COLB position in Q2 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 558 | +6.1% | 95.32% | 2.81 pp | $7.69B | +13% |
| Q1 2026 | 526 | +6.3% | 98.13% | +1.76 pp | $6.82B | 5.9% |
| Q4 2025 | 495 | +6.5% | 96.37% | 1.57 pp | $7.25B | +8.7% |
| Q3 2025 | 465 | +15% | 97.94% | 3.58 pp | $6.67B | +52% |
| Q2 2025 | 403 | +2.3% | 101.52% | +6.50 pp | $4.40B | +0.3% |
| Q1 2025 | 394 | +0.5% | 95.02% | +0.72 pp | $4.39B | 6.8% |
| Q4 2024 | 392 | +7.1% | 94.30% | +0.67 pp | $4.71B | +3.9% |
| Q3 2024 | 366 | — | 93.63% | — | $4.53B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying COLB stock.
Based on Q2 2026 13F filings, institutional ownership of Columbia Banking System, Inc. stands at 95.3%, held across 558 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of COLB, with approximately 27,470,920 shares worth $0.88B as of Q2 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of COLB, including Fisher Asset Management, LLC.
Our composite Smart Money Score for COLB is 47 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
76 institutions opened new positions in COLB during Q2 2026, while 46 fully exited. 393 added to existing positions and 74 trimmed.
COLB institutional ownership fell by 2.81 percentage points quarter-over-quarter, with a net change of +32 holders.
The top 10 institutions account for 51.5% of all reported 13F value in COLB, and the top 25 account for 73.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.