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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
Ameriprise
26
Ameriprise
Minnesota
$55.5M +$8.91M +350,936 +19%
Pzena Investment Management
27
Pzena Investment Management
New York
$49.6M +$9.77M +384,649 +25%
First Trust Advisors
28
First Trust Advisors
Illinois
$46.1M -$2.64M -104,111 -5%
Manulife (Manufacturers Life Insurance)
29
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$45.9M +$1.73M +68,083 +4%
Bank of America
30
Bank of America
North Carolina
$42.8M +$14M +550,518 +49%
Goldman Sachs
31
Goldman Sachs
New York
$40.8M +$27.9M +1,097,258 +224%
Barclays
32
Barclays
United Kingdom
$37.6M +$11.5M +454,497 +45%
SFM
33
Systematic Financial Management
New Jersey
$33.1M +$2.55M +100,351 +8%
Boston Partners
34
Boston Partners
Massachusetts
$32.7M -$24.9K -982 -0.1%
PCM
35
Palisade Capital Management
New Jersey
$30.6M +$3.74M +147,192 +14%
SCA
36
Stieven Capital Advisors
Missouri
$28.6M +$2.7M +106,500 +11%
BNP Paribas Asset Management
37
BNP Paribas Asset Management
France
$28M +$8.07M +317,874 +41%
N
38
Nuveen
North Carolina
$27.9M +$17.2M +677,712 +166%
Capital World Investors
39
Capital World Investors
California
$27.4M – – –
LSV Asset Management
40
LSV Asset Management
Illinois
$26.8M -$6.73M -264,859 -20%
SBH
41
Segall Bryant & Hamill
Illinois
$26.3M -$10.9M -429,862 -30%
William Blair Investment Management
42
William Blair Investment Management
Illinois
$25.8M -$2.93M -115,288 -10%
GKIM
43
GW&K Investment Management
Massachusetts
$24.9M +$24.6M +967,025 New
LI
44
Leeward Investments
Massachusetts
$23.4M -$516K -20,311 -2%
Janus Henderson Group
45
Janus Henderson Group
United Kingdom
$21.8M +$1.92M +75,769 +10%
D.E. Shaw & Co
46
D.E. Shaw & Co
New York
$21.5M +$21.2M +834,286 New
UBS AM
47
UBS AM
Illinois
$21M -$1.78M -70,127 -8%
QCM
48
Quantinno Capital Management
New York
$20.6M +$7.32M +288,170 +56%
RhumbLine Advisers
49
RhumbLine Advisers
Massachusetts
$20.4M +$5.56M +219,027 +38%
BCM
50
Basswood Capital Management
New York
$19.8M +$961K +37,823 +5%
1
2
3 4 5

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.