Columbia Banking System Ownership | Who Owns Columbia Banking System?

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Columbia Banking System Ownership Summary

Columbia Banking System is owned by 56.20% institutional investors, 0.73% insiders, and 43.08% retail investors. 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	56.20%	0.73%	43.08%
Sector	Financial Services Stocks	37.05%	15.59%	47.36%
Industry	Regional Banks Stocks	38.44%	12.57%	48.99%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	29.68M	10.05%	$829.49M
Blackrock funding, inc. /de	27.07M	9.16%	$742.39M
Blackrock	18.32M	8.80%	$364.46M
T. rowe price investment management	15.92M	5.39%	$436.56M
Wellington management group llp	14.94M	5.06%	$409.92M
Dimensional fund advisors lp	13.55M	4.59%	$371.66M
State street	12.48M	4.22%	$342.22M
Charles schwab investment management	10.44M	3.53%	$286.36M
American century companies	9.74M	3.30%	$267.06M
Price t rowe associates inc /md/	8.97M	3.04%	$246.14M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Holdco asset management, lp	5.72M	11.68%	$156.98M
Stieven capital advisors	1.19M	6.95%	$32.53M
Pmc fig opportunities	117.88K	4.97%	$3.23M
Expect equity	143.06K	3.77%	$3.92M
Clifford capital partners	537.26K	2.45%	$14.74M
Channing capital management	3.23M	2.27%	$88.47M
Elizabeth park capital advisors	99.40K	2.10%	$2.73M
Sippican capital advisors	105.75K	1.99%	$2.90M
Maltese capital management	342.10K	1.85%	$9.38M
Cardinal capital management llc /ct	337.36K	1.84%	$6.71M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	3.69M	0.01%	3.69M
Vanguard fiduciary trust	1.84M	0.01%	1.84M
Vaughan nelson investment management	1.23M	0.34%	1.23M
Mackenzie financial	1.13M	0.04%	1.13M
Algebris (uk)	866.67K	1.72%	866.67K

Top Sellers

Holder	Shares	% Assets	Change
Macquarie group	-	-	-6.04M
North reef capital management lp	-	-	-3.70M
Wellington management group llp	14.94M	0.08%	-3.16M
Balyasny asset management	1.28M	0.05%	-2.51M
Barrow hanley mewhinney & strauss	-	-	-2.24M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	3.69M	0.01%	3.69M	$103.01M
Vanguard fiduciary trust	1.84M	0.01%	1.84M	$50.40M
Vaughan nelson investment management	1.23M	0.34%	1.23M	$33.81M
Algebris (uk)	866.67K	1.72%	866.67K	$23.73M
Capitolis liquid global markets	559.64K	0.12%	559.64K	$14.41M

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 %
Mar 31, 2026	416	-17.79%	165,994,892	-42.56%	56	0.59%	202	-13.30%	135	-26.63%
Dec 31, 2025	428	-11.20%	240,748,153	-15.90%	81	0.43%	186	-47.31%	161	85.06%
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%

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
Mar 13, 2026	Lakely Brock	EVP, Chief Accounting Officer	Sell	$5.53K
Mar 13, 2026	BARUFFI KUMI YAMAMOTO	EVP General Counsel, Corp Sec	Sell	$24.58K
Mar 03, 2026	Nixon Torran B	Senior Executive VP	Sell	$63.31K
Mar 04, 2026	Nixon Torran B	Senior Executive VP	Sell	$64.62K
Jan 30, 2026	GARDNER STEVEN R	-	Sell	$403.93K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	-
2026 Q1	-	5
2025 Q4	-	-
2025 Q3	-	-
2025 Q2	-	-

COLB Ownership FAQ

Who Owns Columbia Banking System?

Columbia Banking System shareholders are primarily institutional investors at 56.20%, followed by 0.73% insiders and 43.07% retail investors. The average institutional ownership in Columbia Banking System's industry, Regional Banks Stocks, is 38.44%, 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 (27.07M shares, 9.16%), and Blackrock (18.32M shares, 8.80%). Together, they hold 28.01% 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 11.68% of its assets in 5.72M Columbia Banking System shares, valued at 156.98M$.

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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