Columbia Banking Systems

COLB • NASDAQ

Columbia Banking Systems is a banks - regional company in the financial services sector on NASDAQ, led by Clint E. Stein, with a market cap of $8.7B. As of Q3 2025, 96% of shares are held by 463 institutional investors, with VANGUARD GROUP INC as the largest holder at 9.98%.

President and Chief Executive OfficerClint E. Stein

Market Cap$8.7B

Banks - Regional

Financial Services

Employees5.1K

Websitecolumbiabank.com

Country

United States of America

Overview

Overview of institutional ownership in COLB as of Q3 2025 with a market cap of $7.7B

All Institutions

Institutions: 463
Value Held: $7.4B
Shares Held: 286.1M
Avg Position: $15.9M
Median Position: $769.3K

Hedge Funds

Hedge Funds: 32
Value Held: $401.0M
Shares Held: 15.6M
Avg Position: $12.5M
Median Position: $2.4M

Ownership Breakdown

Institutional (non-HF)

90.47%

$7.0B

Hedge Funds

5.21%

$401.0M

Retail & Other

4.32%

$332.8M

Based on market cap of $7.7B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in COLB as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$768.4M 0.01% of portfolio	9.98% 29.9M shares	Q4 2022 Held for 2y 11m	$6.69T
B BlackRock, Inc. Institution	-	$693.3M 0.01% of portfolio	9.00% 26.9M shares	Q4 2022 Held for 2y 11m	$5.67T
T T. Rowe Price Investment Management, Inc. Insurance Manager	John Edward Robison President	$447.4M 0.28% of portfolio	5.81% 17.4M shares	Q1 2023 Held for 2y 8m	$161.58B
WELLINGTON MANAGEMENT CO LLP Long Only Manager	Jean Marie Hynes CEO	$354.8M 0.06% of portfolio	4.61% 13.8M shares	Q3 2023 Held for 2y 2m	$571.21B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$345.1M 0.01% of portfolio	4.48% 13.4M shares	Q4 2022 Held for 2y 11m	$2.88T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$337.6M 0.07% of portfolio	4.38% 13.1M shares	Q1 2023 Held for 2y 8m	$466.32B
SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager	Omar Aguilar Chavez CEO	$319.2M 0.05% of portfolio	4.15% 12.4M shares	Q4 2022 Held for 2y 11m	$620.51B
A AMERICAN CENTURY COMPANIES INC Institution	-	$257.8M 0.13% of portfolio	3.35% 10.0M shares	Q4 2022 Held for 2y 11m	$195.93B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$214.7M 0.01% of portfolio	2.79% 8.3M shares	Q4 2022 Held for 2y 11m	$1.65T
JPMORGAN CHASE & CO Institution	Jamie Dimon CEO	$194.0M 0.01% of portfolio	2.52% 7.5M shares	Q1 2023 Held for 2y 8m	$1.56T

Net Capital Flow

Institutional buying and selling activity for COLB in Q3 2025

Traded: +$2.0B
Buyers: 347
Sellers: 123
Total Bought: +$2.2B
Total Sold: −$168.6M
Avg Position: $14.6M

Biggest Buyers

Institution	Net Bought	Current Position
VANGUARD GROUP INC Institution	+$224.7M +8.7M shares	$768.4M 29.9M shares
B BlackRock, Inc. Institution	+$204.4M +7.9M shares	$693.3M 26.9M shares
WELLINGTON MANAGEMENT CO LLP Long Only Manager	+$203.9M +7.9M shares	$354.8M 13.8M shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	+$136.8M +5.3M shares	$337.6M 13.1M shares
SCHWAB CHARLES INVESTMENT MANAGEMENT INC Long Only Manager	+$118.0M +4.6M shares	$319.2M 12.4M shares
Bank of New York Mellon Corp Institution	+$107.0M +4.2M shares	$180.7M 7.0M shares
T T. Rowe Price Investment Management, Inc. Insurance Manager	+$106.4M +4.1M shares	$447.4M 17.4M shares
STATE STREET CORP Institution	+$84.7M +3.3M shares	$345.1M 13.4M shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$77.9M +3.0M shares	$78.9M 3.1M shares
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	+$74.2M +2.9M shares	$92.8M 3.6M shares

Biggest Sellers

Institution	Net Sold	Current Position
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$21.2M −825.3K shares	$10.4M 405.3K shares
FRANKLIN RESOURCES INC Institution	−$18.4M −715.4K shares	$157.5M 6.1M shares
SEGALL BRYANT & HAMILL Long Only Manager	−$11.1M −429.9K shares	$26.3M 1.0M shares
Q Qube Research & Technologies Ltd Institution	−$10.5M −450.0K shares	Sold Off 0 shares
M M&G Plc Institution	−$9.3M −404.1K shares	Sold Off 0 shares
PRUDENTIAL FINANCIAL INC Institution	−$9.2M −357.9K shares	$10.5M 409.2K shares
C Cubist Systematic Strategies, LLC Institution	−$6.9M −293.8K shares	Sold Off 0 shares
L LSV ASSET MANAGEMENT Long Only Manager	−$6.8M −264.9K shares	$26.8M 1.0M shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	−$6.2M −266.7K shares	Sold Off 0 shares
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC Hedge Fund•Distressed	−$5.4M −208.9K shares	$1.6M 63.4K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited COLB in Q3 2025

New Positions: 55
New Value: $93.2M
Exited Positions: 42
Exited Value: $61.7M

New Positions

Institution	Position Value
GANNETT WELSH & KOTLER Long Only Manager	$24.9M 967.0K shares
C Capitolis Liquid Global Markets LLC Private Equity	$14.4M 559.6K shares
SNYDER CAPITAL MANAGEMENT L P Long Only Manager	$11.5M 447.0K shares
P Philadelphia Financial Management of San Francisco, LLC Hedge Fund•Sector	$8.8M 342.0K shares
B BancorpSouth Bank Institution	$8.6M 333.8K shares
Point72 Europe LLP Digital Asset Manager	$8.4M 326.2K shares
HIGHLAND CAPITAL MANAGEMENT, LLC Long Only Manager	$4.5M 173.3K shares
Susquehanna Portfolio Strategies, LLC Private Equity	$3.3M 128.1K shares
F First Eagle Investment Management, LLC Long Only Manager	$1.0M 40.0K shares
Vinva Investment Management Ltd Hedge Fund•Quant	$513.4K 13.2K shares

Exited Positions

Institution	Previous Position
Q Qube Research & Technologies Ltd Institution	$10.5M 450.0K shares
M M&G Plc Institution	$9.3M 404.1K shares
C Cubist Systematic Strategies, LLC Institution	$6.9M 293.8K shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	$6.2M 266.7K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	$5.4M 229.1K shares
J JANE STREET GROUP, LLC Institution	$4.0M 171.8K shares
H HUSSMAN STRATEGIC ADVISORS, INC. Institution	$2.9M 126.0K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$2.5M 105.9K shares
C Campbell & CO Investment Adviser LLC Hedge Fund•Quant Macro	$2.2M 93.5K shares
Schonfeld Strategic Advisors LLC Hedge Fund•Multi-Strategy	$2.0M 85.9K shares

Options Activity

Institutions with the largest Call and Put options positions in COLB as of Q3 2025

Call Positions: 5
Call Value: $4.7M
Put Positions: 4
Put Value: $2.5M

Call Positions

Institution	Position Value
T Twin Tree Management, LP Hedge Fund•Vol Arbitrage	$1.9M 735.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$1.7M 644.0 contracts
J JANE STREET GROUP, LLC Institution	$625.5K 243.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$274.7K 106.7 contracts
W WOLVERINE TRADING, LLC Institution	$261.7K 102.0 contracts

Put Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$1.1M 416.9 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$697.6K 271.0 contracts
J JANE STREET GROUP, LLC Institution	$453.0K 176.0 contracts
W WOLVERINE TRADING, LLC Institution	$261.7K 102.0 contracts

Most Committed Institutions

Institutions with COLB as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
HoldCo Asset Management, L.P. Hedge Fund•Multi-Strategy	Vikaran "Nmn" Ghei Managing Partner	15.55% $147.3M	1.91% 5.7M shares	Q2 2025 Held for 5 months	$947.6M
S Stieven Capital Advisors, L.P. Hedge Fund•Long/Short	Joseph Albert Stieven Managing Partner	5.40% $28.6M	0.37% 1.1M shares	Q4 2022 Held for 2y 11m	$530.5M
E Expect Equity LLC Institution	-	3.60% $3.7M	0.05% 143.1K shares	Q4 2024 Held for 11 months	$102.4M
CLIFFORD CAPITAL PARTNERS LLC Long Only Manager	Roger Allen Hill CEO	2.46% $14.2M	0.18% 551.9K shares	Q2 2025 Held for 5 months	$578.6M
Siena Capital Management, LLC Hedge Fund•Sector	Daniel Kanter President	2.41% $4.0M	0.05% 156.3K shares	Q2 2023 Held for 2y 5m	$167.0M
Black Maple Capital Management LP Hedge Fund•Multi-Strategy	Robert James Barnard CEO	2.07% $2.9M	0.04% 110.8K shares	Q3 2024 Held for 1y 2m	$138.0M
Sippican Capital Adivsors RIA/Wealth	Gordon Chester Barrett Managing Partner	1.91% $2.8M	0.04% 110.1K shares	Q4 2023 Held for 1y 11m	$148.1M
P Philadelphia Financial Management of San Francisco, LLC Hedge Fund•Sector	Jordan Neil Hymowitz Managing Partner	1.75% $8.8M	0.11% 342.0K shares	Q3 2025 Held for 2 months	$503.5M
Elizabeth Park Capital Advisors, Ltd. Hedge Fund•Long/Short	Fred Anthony Cummings President	1.59% $2.0M	0.03% 78.0K shares	Q3 2025 Held for 2 months	$126.0M
Phocas Financial Corp. Long Only Manager	William Franz Kim Schaff CEO	1.59% $12.3M	0.16% 477.6K shares	Q3 2024 Held for 1y 2m	$771.4M