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Columbia Banking Systems
COLB

474 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, 239 increasing their positions, 87 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

175% more repeat investments, than reductions

Existing positions increased: 239 | Existing positions reduced: 87

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)

36.72% more ownership

Funds ownership: 99.35% → 136.07% (+37%)

16% more funds holding

Funds holding: 410 → 474 (+64)

20% less funds holding in top 10

Funds holding in top 10: 5 → 4 (-1)

Holders
474
Holders Change
+64
Holders Change %
+15.61%
% of All Funds
6.22%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.05%
New
111
Increased
239
Reduced
87
Closed
44
Calls
$5.11M
Puts
$2.59M
Net Calls
+$2.52M
Net Calls Change
-$1.52M

Top Buyers

1
Vanguard Group
Vanguard Group
Pennsylvania
+$222M
2
BlackRock
BlackRock
New York
+$202M
3
Wellington Management Group
Wellington Management Group
Massachusetts
+$201M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$135M
5
Charles Schwab
Charles Schwab
California
+$116M

Top Sellers

1
Millennium Management
Millennium Management
New York
-$21M
2
Mackenzie Financial
Mackenzie Financial
Ontario, Canada
-$18.5M
3
Franklin Resources
Franklin Resources
California
-$18.2M
4
SBH
Segall Bryant & Hamill
Illinois
-$10.9M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$10.5M
Name Holding Trade Value Shares
Change 		Change in
Stake
Mitsubishi UFJ Trust & Banking
501
Mitsubishi UFJ Trust & Banking
Japan
– -$105K -4,507 Closed
QL
502
Quarry LP
New York
– -$55.3K -2,366 Closed
EAM
503
Erste Asset Management
Austria
– -$45.4K -1,787 Closed
GWM
504
Geneos Wealth Management
Colorado
– -$26.4K -1,128 Closed
ACM
505
Aster Capital Management
United Arab Emirates
– -$23.6K -1,010 Closed
WSFS
506
Wilmington Savings Fund Society
Delaware
– -$19.9K -850 Closed
GC
507
Garde Capital
Washington
– -$15.8K -676 Closed
TSMHT
508
Thurston Springer Miller Herd & Titak
Indiana
– -$6.64K -284 Closed
Optiver Holding
509
Optiver Holding
Netherlands
– -$5.96K -255 Closed
MYIA
510
Mount Yale Investment Advisors
Colorado
– -$4.12K -176 Closed
EPW
511
Evergreen Private Wealth
Colorado
– -$3.81K -163 Closed
RAM
512
Riggs Asset Management
Pennsylvania
– -$3.65K -156 Closed
TPWA
513
Twin Peaks Wealth Advisors
California
– -$2.57K -102 Closed
SIS
514
Strategic Investment Solutions
Illinois
– -$2.34K -100 Closed
NCM
515
Northwest Capital Management
Oregon
– -$1.38K -59 Closed
WCM
516
WealthTrak Capital Management
Virginia
– -$351 -15 Closed
WA
517
Whipplewood Advisors
Colorado
– -$281 -12 Closed
CAL
518
Capital Advisors Ltd
Ohio
– +$254 +10 New
17 18 19 20
21

COLB Hedge Fund Activity: Q3 2025 in Review

474 of the 7,619 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 239 added to existing stakes and 87 trimmed.

The largest buyer was Vanguard Group, adding an estimated $222M. The largest seller was Millennium Management, cutting an estimated $21M.

  • 474 institutional investors held Columbia Banking Systems (COLB) as of Q3 2025, up from 410 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.