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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
SPS
126
Susquehanna Portfolio Strategies
Pennsylvania
$3.3M +$3.25M +128,128 New
IA
127
Inspire Advisors
Idaho
$3.14M +$3.1M +121,984 New
LTAS
128
Linden Thomas Advisory Services
North Carolina
$3.14M +$1.24M +48,702 +66%
Thrivent Financial for Lutherans
129
Thrivent Financial for Lutherans
Minnesota
$3.13M +$897K +35,323 +41%
HFS
130
Hantz Financial Services
Michigan
$3.12M +$24.5K +964 +0.8%
Focus Partners Wealth
131
Focus Partners Wealth
Massachusetts
$3.12M +$625K +24,626 New
Natixis Advisors
132
Natixis Advisors
Massachusetts
$3.02M +$451K +17,774 +18%
DIA
133
Dana Investment Advisors
Wisconsin
$2.99M -$21.2K -834 -0.7%
YIH
134
Y-Intercept (HK)
Hong Kong
$2.94M +$822K +32,356 +40%
Russell Investments Group
135
Russell Investments Group
United Kingdom
$2.86M +$131K +5,175 +5%
BMCM
136
Black Maple Capital Management
Wisconsin
$2.85M -$739K -29,113 -21%
SCA
137
Sippican Capital Advisors
Massachusetts
$2.83M -$19K -750 -0.7%
Walleye Capital
138
Walleye Capital
New York
$2.83M +$405K +15,944 +17%
Brown Advisory
139
Brown Advisory
Maryland
$2.74M +$2.7M +106,425 New
Janney Montgomery Scott
140
Janney Montgomery Scott
Pennsylvania
$2.74M -$307K -12,102 -10%
Cetera Investment Advisers
141
Cetera Investment Advisers
Illinois
$2.73M +$293K +11,555 +12%
Creative Planning
142
Creative Planning
Kansas
$2.71M +$911K +35,856 +52%
NRCM
143
North Reef Capital Management
California
$2.57M +$2.54M +100,000 New
State of Tennessee, Department of Treasury
144
State of Tennessee, Department of Treasury
Tennessee
$2.57M +$354K +13,941 +16%
Lazard Asset Management
145
Lazard Asset Management
New York
$2.53M +$2.5M +98,367 New
Ohio Public Employees Retirement System (OPERS)
146
Ohio Public Employees Retirement System (OPERS)
Ohio
$2.48M +$748K +29,437 +44%
YCM
147
Yousif Capital Management
Michigan
$2.41M +$588K +23,141 +33%
TRSOTSOK
148
Teachers Retirement System of the State of Kentucky
Kentucky
$2.36M +$654K +25,770 +39%
Nisa Investment Advisors
149
Nisa Investment Advisors
Missouri
$2.32M +$826K +32,542 +56%
AIM
150
ARGA Investment Management
Connecticut
$2.32M – – –
4 5
6
7 8

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.