Columbia Banking System Ownership | Who Owns Columbia Banking System?

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Columbia Banking System Ownership Summary

Columbia Banking System is owned by 120.15% institutional investors, 0.61% insiders. Vanguard group is the largest institutional shareholder, holding 10.05% of COLB shares. Keeley Teton Small Cap Opportunities is the top mutual fund, with 0.01% of its assets in Columbia Banking System shares.

COLB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Columbia Banking System	120.15%	0.61%	-20.76%
Sector	Financial Services Stocks	36.95%	15.48%	47.58%
Industry	Regional Banks Stocks	38.94%	12.65%	48.41%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	29.68M	10.05%	$829.49M
Blackrock funding, inc. /de	26.72M	9.05%	$746.78M
Blackrock	18.32M	8.80%	$364.46M
T. rowe price investment management	17.38M	8.31%	$447.39M
Wellington management group llp	13.78M	6.59%	$354.75M
State street	13.41M	6.41%	$345.11M
Charles schwab investment management	12.40M	5.93%	$319.20M
American century companies	10.02M	4.79%	$257.82M
Dimensional fund advisors lp	13.14M	4.45%	$367.31M
Bank of new york mellon	7.42M	2.51%	$207.45M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Holdco asset management, lp	5.72M	12.03%	$159.95M
Stieven capital advisors	1.11M	5.75%	$31.01M
Expect equity	143.06K	3.60%	$3.68M
Clifford capital partners	551.89K	2.46%	$14.21M
Sippican capital advisors	110.08K	1.98%	$3.08M
Cardinal capital management llc /ct	337.36K	1.84%	$6.71M
Phocas financial	476.46K	1.73%	$13.32M
Moody aldrich partners	330.79K	1.73%	$9.25M
Elizabeth park capital advisors	78.00K	1.62%	$2.01M
Petiole usa	82.89K	1.47%	$2.13M

Top Buyers

Holder	Shares	% Assets	Change
Wellington management group llp	13.78M	0.06%	7.92M
Charles schwab investment management	12.40M	0.05%	4.58M
T. rowe price investment management	17.38M	0.27%	4.13M
Norges bank	3.69M	0.01%	3.69M
State street	13.41M	0.01%	3.29M

Top Sellers

Holder	Shares	% Assets	Change
Jpmorgan chase	771.09K	0.00%	-6.76M
Macquarie group	-	-	-6.04M
Morgan stanley	5.89M	0.01%	-2.46M
Barrow hanley mewhinney & strauss	-	-	-2.24M
Deprince race & zollo	-	-	-2.16M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	3.69M	0.01%	3.69M	$103.01M
Aristotle capital boston	637.49K	0.85%	637.49K	$16.41M
Capitolis liquid global markets	559.64K	0.12%	559.64K	$14.41M
Channing capital management	425.99K	0.29%	425.99K	$10.96M
Winton group	423.67K	0.41%	423.67K	$11.84M

Sold Out

Holder	Change
Innealta capital	-1.00
Tortoise investment management	-2.00
Claris advisors, llc / mo /	-7.00
Tfo-tdc	-8.00
Swan capital	-12.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	461	10.82%	285,771,836	36.81%	120	1.20%	337	45.89%	85	-31.45%
Jun 30, 2025	410	1.74%	208,692,011	7.09%	99	1.15%	230	8.49%	120	-0.83%
Mar 31, 2025	398	-1.24%	194,896,475	0.85%	93	1.09%	211	3.94%	117	-12.03%
Dec 31, 2024	391	4.83%	192,569,751	0.40%	92	1.09%	196	0.51%	131	9.17%
Sep 30, 2024	368	0.82%	191,520,193	0.12%	91	1.09%	193	11.56%	118	-13.87%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Keeley Teton Small Cap Opportunities	20.74K	0.01%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jan 30, 2026	GARDNER STEVEN R	-	Sell	$403.93K
Mar 04, 2025	Nixon Torran B	Senior Executive VP	Sell	$116.46K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	1
2025 Q4	-	-
2025 Q3	-	-
2025 Q2	-	-
2025 Q1	-	1

COLB Ownership FAQ

Who Owns Columbia Banking System?

Columbia Banking System shareholders are primarily institutional investors at 120.15%, followed by 0.61% insiders and -20.76% retail investors. The average institutional ownership in Columbia Banking System's industry, Regional Banks Stocks, is 38.94%, which Columbia Banking System exceeds.

Who owns the most shares of Columbia Banking System?

Columbia Banking System’s largest shareholders are Vanguard group (29.68M shares, 10.05%), Blackrock funding, inc. /de (26.72M shares, 9.05%), and Blackrock (18.32M shares, 8.80%). Together, they hold 27.89% of Columbia Banking System’s total shares outstanding.

Does Blackrock own Columbia Banking System?

Yes, BlackRock owns 8.80% of Columbia Banking System, totaling 18.32M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 364.46M$. In the last quarter, BlackRock decreased its holdings by -1.26M shares, a -6.43% change.

Who is Columbia Banking System’s biggest shareholder by percentage of total assets invested?

Holdco asset management, lp is Columbia Banking System’s biggest shareholder by percentage of total assets invested, with 12.03% of its assets in 5.72M Columbia Banking System shares, valued at 159.95M$.

Who is the top mutual fund holder of Columbia Banking System shares?

Keeley Teton Small Cap Opportunities is the top mutual fund holder of Columbia Banking System shares, with 0.01% of its total shares outstanding invested in 20.74K Columbia Banking System shares.

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