Columbia Banking Systems
COLB
551 hedge funds and large institutions have $8.63B invested in Columbia Banking Systems in 2026 Q2 according to their latest regulatory filings, with 83 funds opening new positions, 180 increasing their positions, 202 reducing their positions, and 46 closing their positions.
250% more call options, than puts
Call options by funds: $10.1M | Put options by funds: $2.89M
80% more first-time investments, than exits
New positions opened: 83 | Existing positions closed: 46
14% more capital invested
Capital invested by funds: $7.59B → $8.63B (+$1.03B)
5% more funds holding
Funds holding: 526 → 551 (+25)
0% more funds holding in top 10
Funds holding in top 10: 10 → 10 (0)
0.67% less ownership
Funds ownership: 93.66% → 92.99% (-0.67%)
11% less repeat investments, than reductions
Existing positions increased: 180 | Existing positions reduced: 202
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Mackenzie Financial
Toronto Ontario,
Ontario, Canada
|
+$60.6M |
| 2 |
Goldman Sachs
New York
|
+$36.5M |
| 3 |
ACL
Azora Capital LP
Miami,
Florida
|
+$30.5M |
| 4 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$26.9M |
| 5 |
D.E. Shaw & Co
New York
|
+$26.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of New York Mellon
New York
|
-$108M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
-$96.7M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$94.3M |
| 4 |
CCM
Channing Capital Management
Chicago,
Illinois
|
-$85.5M |
| 5 |
American Century Companies
Kansas City,
Missouri
|
-$54.4M |
COLB Hedge Fund Activity: Q2 2026 in Review
551 of the 8,286 institutional investors tracked by Wall St. Rank reported a position in Columbia Banking Systems (COLB) for Q2 2026, worth a combined $8.63B — up 14% from $7.59B a quarter earlier.
Buyers outnumbered sellers: 83 funds opened new COLB positions and 46 closed out — a net gain of 37 holders — while 180 added to existing stakes and 202 trimmed.
The largest buyer was Mackenzie Financial, adding an estimated $60.6M. The largest seller was Bank of New York Mellon, cutting an estimated $108M.
- 551 institutional investors held Columbia Banking Systems (COLB) as of Q2 2026, up from 526 in Q1 2026.
- Funds reported $8.63B of Columbia Banking Systems stock for Q2 2026, up 14% quarter-over-quarter.
- 83 funds opened new Columbia Banking Systems positions in Q2 2026 and 46 closed out, a net change of +37 holders.
- The largest Columbia Banking Systems buyer in Q2 2026 was Mackenzie Financial, an estimated $60.6M added.
- The largest Columbia Banking Systems seller in Q2 2026 was Bank of New York Mellon, an estimated $108M sold.
Based on aggregated 13F filings for Q2 2026.