GENERAL AMERICAN INVESTORS CO INC

Position in COLB — Columbia Banking System, Inc.

CIK 40417 NEW YORK, NY

Position in COLB

as of Jun 30, 2026 · filed Jul 31, 2026 Compact

Position Value

$2,742,069

-$976,232 QoQ

Shares Held

85,556

-36.9% QoQ

Ownership

0.030%

of shares outstanding

% of Portfolio

0.19%

of 13F equity value

Holder Rank

#162

of 550 holders

Holding Since

Dec 2025

3 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

GENERAL AMERICAN INVESTORS CO INC holds $29,553,583 across 3 Banks - Regional names. COLB ranks #3 (9.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MTB	M&T Bank Corp	101,100	$24,062,811
2	FCBM	First Carolina Financial Services, Inc.	207,606	$2,748,703
3	COLB	Columbia Banking System, Inc. This page	85,556	$2,742,069

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,742,069	85,556	-36.9%	Shares	Sole	2026-07-31
2026-03-31	$3,718,301	135,556	-18.1%	Shares	Sole	2026-05-01
2025-12-31	$4,627,290	165,556	—	Shares	Sole	2026-02-13
No filing history on record for this holder in this stock.