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COLBFinancialsCommon Stock

Columbia Banking System, Inc

Held by 11 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 197236102 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

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In plain English: 11 of the investors we track own this stock. In the latest quarter, 7 of them bought more of it and 5 sold some or all of theirs (1 bought it for the first time). That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
11
-2 vs last quarter (like-for-like)
Total value held
$364.82M
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.0%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
-$42.80M
-13.7% vs last quarter
Net shares bought
-3.0M
Est. net flow -$76.52M
Quarter activity
7 bought · 5 sold
1 new · 3 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns COLB?

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Who owns COLB? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↓ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
1 Norges Bank Norges Bank Investment Management 2.97M $95.08M 0.0% — — — —
2 Ken Fisher Fisher Asset Management 2.48M $79.54M 0.0% Added +159.8K +6.9% +$5.12M
3 Richard Pzena Pzena Investment Management 2.13M $68.24M 0.2% Added +96.1K +4.7% +$3.08M
4 LSV Asset Management LSV Asset Management 980.78K $31.43M 0.1% Held 0 0.0% $0
5 David Shaw D.E. Shaw & Co. 897.71K $28.77M 0.0% New +897.7K — +$28.77M
6 Boston Partners Boston Partners Global Investors 603.70K $19.37M 0.0% Reduced -488.3K -44.7% -$15.67M
7 Ray Dalio Bridgewater Associates 466.34K $14.95M 0.1% Added +66.4K +16.6% +$2.13M
8 Matthew McLennan First Eagle Investment Management 384.60K $12.33M 0.0% Added +155.6K +67.9% +$4.99M
9 Jim Simons Renaissance Technologies 384.54K $12.32M 0.0% Added +243.1K +172.0% +$7.79M
10 Mario Gabelli GAMCO Investors 51.59K $1.65M 0.0% Reduced -19.2K -27.2% -$616.87K
11 Two Sigma Two Sigma Investments 35.09K $1.12M 0.0% Added +1.7K +5.2% +$55.73K

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Manager Fund Shares sold Value last quarter ↓
Ken Griffin Citadel Advisors -3.2M $87.06M
Israel Englander Millennium Management -550.6K $15.10M
Steve Cohen Point72 Asset Management -365.1K $10.01M

Politician trades

Politician trades in COLB

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Politician Date Ticker Asset Type Reported range ⓘThe dollar range the politician reported. Exact amounts are not disclosed. Est. size ⓘOur estimate only: the midpoint of the reported range. Owner Account ⓘSubholding Of: the account the trade was in, as named on the report (e.g. an IRA or a brokerage account). The same stock bought on the same day in different accounts is a separate trade in each account. Filed ↓ Filing delay ⓘDays between the trade and the report. Over 45 days is late under the STOCK Act. Source
Josh Gottheimer Politician Mar 5, 2026 COLB Columbia Banking System, Inc. - Common Stock (COLB) [ST] Sale $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Joint Morgan Stanley - Select UMA Account # 1 Apr 8, 2026 34 days PTR ↗
Gil Cisneros Politician Jan 15, 2026 COLB Columbia Banking System, Inc. - Common Stock (COLB) [ST] Sale $15,001 - $50,000 Est. $32,500 (midpoint of reported range $15,001–$50,000) Self 150 Main Street Trust > Bank of America Feb 13, 2026 29 days PTR ↗
Gil Cisneros Politician Oct 3, 2025 COLB Columbia Banking System, Inc. - Common Stock (COLB) [ST] Purchase $1,001 - $15,000 Est. $8,000 (midpoint of reported range $1,001–$15,000) Self 150 Main Street Trust > Bank of America Nov 18, 2025 46 days Late PTR ↗