Columbia Banking System, Inc.
Columbia Banking System, Inc. (COLB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · COLB · as of Sep 30, 2024
Ownership Breakdown
377
Institutional Holders
▲ 10 vs Q2
$5.07B
Total Inst. Value
▲ $1.27B vs Q2
238.02M
Shares Outstanding
freeFloat 99.24%
193.96M
13F Shares Held
▲ 2.59M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
COLB largest shareholders · institutional ownership
Q3 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC state commercial banks | 21.34M | 10.23% | 10.23% | $557.13B | Nov 13, 2024 | ▼ 895.4K |
BLACKROCK, INC. state commercial banks | 18.08M | 8.67% | 8.67% | $471.96B | Nov 13, 2024 | NEW |
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. state commercial banks | 12.59M | 6.04% | 6.04% | $328.79B | Nov 14, 2024 | ▲ 1.02M |
STATE STREET CORP state commercial banks | 10.38M | 4.98% | 4.98% | $271.03B | Nov 14, 2024 | ▼ 259.6K |
AMERICAN CENTURY COMPANIES INC state commercial banks | 7.54M | 3.62% | 3.62% | $196.90B | Nov 12, 2024 | ▲ 1.35M |
FRANKLIN RESOURCES INC state commercial banks | 7.30M | 3.50% | 3.50% | $198.25B | Nov 27, 2024 | ▼ 282.8K |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC state commercial banks | 7.11M | 3.41% | 3.41% | $185.62B | Nov 12, 2024 | ▲ 178.3K |
WELLINGTON MANAGEMENT GROUP LLP state commercial banks | 6.66M | 3.19% | 3.19% | $173.87B | Nov 14, 2024 | ▲ 1.61M |
MORGAN STANLEY state commercial banks | 6.46M | 3.10% | 3.10% | $168.59B | May 14, 2025 | ▲ 75.0K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ state commercial banks | 6.24M | 2.99% | 2.99% | $162.93B | Nov 12, 2024 | ▼ 525.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2024 vs prior quarter
Q3 2024
25
Increased
+9.87M shares4
New Positions
first time holders20
Decreased
−4.46M shares0
Sold Out
fully exitedNet shares change (top 50)
+5.40M
+9.87M / −4.46M
Net new holders
+9
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
COLB insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
1
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Varnado Anddria director | May 14, 2026 | Award | 3,949 | — | — | 30.9K | Form 4 ↗ |
Terry Hilliard C. III director | May 14, 2026 | Award | 3,949 | — | — | 55.5K | Form 4 ↗ |
STUDENMUND JAYNIE M director | May 14, 2026 | Award | 3,949 | — | — | 21.8K | Form 4 ↗ |
SEATON ELIZABETH WHITEHEAD director | May 14, 2026 | Award | 3,949 | — | — | 3.9K | Form 4 ↗ |
SCHULTZ JOHN F director | May 14, 2026 | Award | 3,949 | — | — | 50.4K | Form 4 ↗ |
MITCHELL M CHRISTIAN director | May 14, 2026 | Award | 3,949 | — | — | 41.9K | Form 4 ↗ |
MACHUCA LUIS director | May 14, 2026 | Award | 3,949 | — | — | 30.0K | Form 4 ↗ |
Lund Randal Lee director | May 14, 2026 | Award | 3,949 | — | — | 27.7K | Form 4 ↗ |
Forrest Eric director | May 14, 2026 | Award | 3,949 | — | — | 36.4K | Form 4 ↗ |
Finkelstein Mark A director | May 14, 2026 | Award | 3,949 | — | — | 35.6K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Columbia Banking System, Inc. (COLB) is primarily owned by institutional investors, who hold approximately 81.5% of total shares outstanding. Company insiders own approximately 0.76%, while retail and public investors account for the remaining 17.75%.
The largest institutional shareholder of Columbia Banking System, Inc. is VANGUARD GROUP INC, holding approximately 21.34 million shares — equal to 10.23% of outstanding shares — as of September 30, 2024.
A total of 377 institutional investors currently hold COLB stock, with a combined institutional value of approximately $5.07 billion as of the most recent 13F filing period.
Frequently asked questions
COLB ownershipColumbia Banking System, Inc. (COLB) is primarily owned by institutional investors, who hold approximately 81.5% of shares. The largest shareholder is VANGUARD GROUP INC with a 10.23% stake. Company insiders hold 0.76%. Data sourced from SEC Form 13F as of September 30, 2024.