Columbia Banking System Ownership | Who Owns Columbia Banking System?

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Columbia Banking System Ownership Summary

Columbia Banking System is owned by 96.23% institutional investors, 0.75% insiders, and 3.02% 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	96.23%	0.75%	3.02%
Sector	Financial Services Stocks	735.25%	13.74%	-648.99%
Industry	Regional Banks Stocks	54.87%	12.48%	32.66%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	29.68M	10.05%	$829.49M
Blackrock funding, inc. /de	27.47M	9.44%	$880.44M
Blackrock	18.32M	8.80%	$364.46M
T. rowe price investment management	15.63M	5.37%	$501.07M
Dimensional fund advisors lp	13.91M	4.78%	$445.70M
Vanguard capital management	13.07M	4.49%	$418.97M
State street	12.69M	4.36%	$406.84M
Wellington management group llp	11.69M	4.02%	$374.55M
Sixth street partners management company	11.03M	3.79%	$353.36M
Charles schwab investment management	11.03M	3.79%	$353.36M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Holdco asset management, lp	5.72M	11.77%	$183.42M
Rhino investment partners	748.42K	7.26%	$23.99M
Stieven capital advisors	1.07M	6.56%	$34.35M
Pmc fig opportunities	68.26K	3.49%	$2.19M
Expect equity	143.06K	2.95%	$4.59M
Clifford capital partners	569.18K	2.51%	$18.24M
Maltese capital management	387.00K	2.26%	$12.40M
Carlson capital l p	347.53K	2.25%	$11.14M
Sippican capital advisors	103.53K	2.02%	$3.32M
Cardinal capital management llc /ct	337.36K	1.84%	$6.71M

Top Buyers

Holder	Shares	% Assets	Change
Sixth street partners management company	11.03M	0.05%	11.03M
Norges bank	2.97M	0.01%	2.97M
Mackenzie financial	3.18M	0.10%	2.04M
Goldman sachs group	2.57M	0.01%	1.23M
Azora capital lp	1.03M	1.39%	1.03M

Top Sellers

Holder	Shares	% Assets	Change
Macquarie group	-	-	-6.04M
North reef capital management lp	-	-	-3.70M
Bank of new york mellon	3.77M	0.02%	-3.64M
Wellington management group llp	11.69M	0.06%	-3.26M
Citadel advisors	-	-	-3.17M

New Positions

Holder	Shares	% Assets	Change	Value
Sixth street partners management company	11.03M	0.05%	11.03M	$353.36M
Norges bank	2.97M	0.01%	2.97M	$95.08M
D. e. shaw	897.71K	0.01%	897.71K	$28.77M
Capitolis liquid global markets	559.64K	0.12%	559.64K	$14.41M
Point72 europe (london) llp	326.20K	0.41%	326.20K	$8.40M

Sold Out

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

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	554	3.94%	279,978,090	1.14%	96	1.10%	263	-1.87%	201	15.52%
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%

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
Jun 30, 2026	Deer Aaron James	EVP Chief Strategy/Innov Offcr	Buy	$22.48K
Jun 08, 2026	Moore Devine David	EVP Chief Marketing Officer	Sell	$113.50K
Jun 08, 2026	Moore Devine David	EVP Chief Marketing Officer	Sell	$1.79K
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

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	-
2026 Q2	1	2
2026 Q1	-	5
2025 Q4	-	-
2025 Q3	-	-

COLB Ownership FAQ

Who Owns Columbia Banking System?

Columbia Banking System shareholders are primarily institutional investors at 96.23%, followed by 0.75% insiders and 3.02% retail investors. The average institutional ownership in Columbia Banking System's industry, Regional Banks Stocks, is 54.87%, 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 (27.47M shares, 9.44%), and Blackrock (18.32M shares, 8.80%). Together, they hold 28.29% 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 11.77% of its assets in 5.72M Columbia Banking System shares, valued at 183.42M$.

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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