COLB Institutional Ownership
Who owns Columbia Banking System, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 556 funds reported holding COLB at Jun 30, 2026, together owning 95.3% of the company.
- ●258 buying vs 246 selling
- ▼Held by funds -2.5 pts
- ▲Funds holding +27
- ▼Superinvestors: 2 added, 3 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 556 | 529 | +5.1% |
| In funds' top 10 | 10 | 10 | 0.0% |
| 13F shares | 270M | 277M | −2.6% |
| Held by funds | 95.3% | 97.8% | −2.5 pts |
| New positions | 80 | 62 | +29.0% |
| Increased | 178 | 191 | −6.8% |
| Reduced | 200 | 172 | +16.3% |
| Sold out | 46 | 39 | +17.9% |
| Calls (shares) | 600 | 294K | −99.8% |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | 0.00 | 0.00 | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in COLB
All superinvestors →
Who owns COLB
share of fund held shares- Index and passive funds40.7%
- Active managers and hedge funds45.3%
- Banks and brokers10.4%
- Pensions, insurers and other3.6%
The top 10 holders own 50.8% of all COLB shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
148 funds changed their position- Mackenzie Financial CorpAdded+438K sh
- Cooke & Bieler LPTrimmed−286K sh
- Creative PlanningAdded+152K sh
- Empirical Financial Services, LLC d.b.a. Empirical Wealth MaTrimmed−133K sh
- General American Investors Co IncSold out−86K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 9.71% | 27.5M | $880M | +406K |
| 2 | T. Rowe Price Investment Management, Inc. | 5.53% | 15.6M | $501M | −282K |
| 3 | Dimensional Fund Advisors LP | 4.92% | 13.9M | $446M | +357K |
| 4 | Vanguard Portfolio Management LLC | 4.83% | 13.7M | $438M | −662K |
| 5 | Vanguard Capital Management LLC | 4.62% | 13.1M | $419M | −152K |
| 6 | State Street Corp | 4.49% | 12.7M | $407M | +218K |
| 7 | Wellington Management Group LLP | 4.13% | 11.7M | $375M | −3.3M |
| 8 | Charles Schwab Investment Management Inc | 3.90% | 11M | $353M | +586K |
| 9 | Price T Rowe Associates Inc /md/ | 3.49% | 9.9M | $317M | +906K |
| 10 | American Century Companies Inc | 2.79% | 7.9M | $253M | −1.8M |
- Norges Bank+3M sh+$95.1M
- Mackenzie Financial Corp+2M sh+$65.4M
- Goldman Sachs Group Inc+1.2M sh+$39.4M
- Azora Capital LP+1M sh+$33M
- Price T Rowe Associates Inc /md/+906K sh+$29M
- D. E. Shaw & Co., Inc.+898K sh+$28.8M
- First Trust Advisors LP+776K sh+$24.9M
- Jane Street Group, LLC+627K sh+$20.1M
- Bank of New York Mellon Corp−3.6M sh−$117M
- Wellington Management Group LLP−3.3M sh−$104M
- Channing Capital Management, LLC−2.9M sh−$92.3M
- Citadel Advisors LLC−3.2M sh−$87.1M
- American Century Companies Inc−1.8M sh−$58.7M
- Morgan Stanley−1.1M sh−$34.8M
- Capital World Investors−1.1M sh−$29.2M
- UBS Group AG−889K sh−$28.5M
COLB institutional ownership FAQ
Who owns the most COLB stock?
In Q2 2026 13F filings the largest holder of COLB was BlackRock, Inc., followed by T. Rowe Price Investment Management, Inc. and Dimensional Fund Advisors LP. Index fund managers are usually the biggest holders of large companies.
What percentage of COLB is owned by institutions?
Funds that file 13F reports held 95.3% of COLB's shares at Jun 30, 2026, compared with 97.8% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying COLB?
In Q2 2026, 258 funds bought COLB (80 of them new positions) and 246 sold (46 sold out completely). Among well known investors, 2 added and 3 cut. Our fund sentiment for COLB is neutral.
What is COLB's institutional put/call ratio?
Funds reported $0 of COLB puts against $19K of calls, a put/call ratio of 0.00 (0.00 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this COLB ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.