Columbia Banking Systems
COLB
475 hedge funds and large institutions have $7.37B invested in Columbia Banking Systems in 2025 Q3 according to their latest regulatory filings, with 111 funds opening new positions, 240 increasing their positions, 86 reducing their positions, and 44 closing their positions.
179% more repeat investments, than reductions
Existing positions increased: 240 | Existing positions reduced: 86
152% more first-time investments, than exits
New positions opened: 111 | Existing positions closed: 44
97% more call options, than puts
Call options by funds: $5.11M | Put options by funds: $2.59M
51% more capital invested
Capital invested by funds: $4.88B → $7.37B (+$2.49B)
36.73% more ownership
Funds ownership: 99.34% → 136.07% (+37%)
16% more funds holding
Funds holding: 411 → 475 (+64)
20% less funds holding in top 10
Funds holding in top 10: 5 → 4 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$222M |
| 2 |
BlackRock
New York
|
+$202M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
+$201M |
| 4 |
Dimensional Fund Advisors
Austin,
Texas
|
+$135M |
| 5 |
Charles Schwab
San Francisco,
California
|
+$116M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$21M |
| 2 |
Mackenzie Financial
Toronto Ontario,
Ontario, Canada
|
-$18.5M |
| 3 |
Franklin Resources
San Mateo,
California
|
-$18.2M |
| 4 |
SBH
Segall Bryant & Hamill
Chicago,
Illinois
|
-$10.9M |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$10.5M |
COLB Hedge Fund Activity: Q3 2025 in Review
475 of the 7,639 institutional investors tracked by Wall St. Rank reported a position in Columbia Banking Systems (COLB) for Q3 2025, worth a combined $7.37B — up 51% from $4.88B a quarter earlier.
Buyers outnumbered sellers: 111 funds opened new COLB positions and 44 closed out — a net gain of 67 holders — while 240 added to existing stakes and 86 trimmed.
The largest buyer was Vanguard Group, adding an estimated $222M. The largest seller was Millennium Management, cutting an estimated $21M.
- 475 institutional investors held Columbia Banking Systems (COLB) as of Q3 2025, up from 411 in Q2 2025.
- Funds reported $7.37B of Columbia Banking Systems stock for Q3 2025, up 51% quarter-over-quarter.
- 111 funds opened new Columbia Banking Systems positions in Q3 2025 and 44 closed out, a net change of +67 holders.
- The largest Columbia Banking Systems buyer in Q3 2025 was Vanguard Group, an estimated $222M added.
- The largest Columbia Banking Systems seller in Q3 2025 was Millennium Management, an estimated $21M sold.
Based on aggregated 13F filings for Q3 2025.