Sippican Capital Advisors

Position in COLB — Columbia Banking System, Inc.

CIK 1557406 BOSTON, MA

Position in COLB

as of Mar 31, 2026 · filed Apr 23, 2026 Compact

Position Value

$2,900,777

-$175,875 QoQ

Shares Held

105,752

-3.9% QoQ

Ownership

0.037%

of shares outstanding

% of Portfolio

2.10%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2023

10 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Financial Services · as of Mar 31, 2026

Sippican Capital Advisors holds $43,141,523 across 23 Banks - Regional names. COLB ranks #3 (6.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TBBK	Bancorp, Inc.	148,221	$7,963,914
2	TFIN	Triumph Financial, Inc.	70,423	$4,201,436
3	COLB	Columbia Banking System, Inc. This page	105,752	$2,900,777
4	CUBI	Customers Bancorp, Inc.	39,754	$2,759,325
5	ALRS	Alerus Financial Corp	113,141	$2,682,573
6	EGBN	Eagle Bancorp Inc	107,517	$2,673,947
7	MCB	Metropolitan Bank Holding Corp.	27,826	$2,317,627
8	FLG	Flagstar Bank, National Association	167,615	$2,207,489

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,900,777	105,752	-3.9%	Shares	Sole	2026-04-23
2025-12-31	$3,076,652	110,077	-0.0%	Shares	Sole	2026-01-23
2025-09-30	$2,833,768	110,092	-0.7%	Shares	Sole	2025-10-27
2025-06-30	$2,591,485	110,842	+2.6%	Shares	Sole	2025-07-25
2025-03-31	$2,694,193	108,027	+0.5%	Shares	Sole	2025-04-28
2024-12-31	$2,903,223	107,487	-3.3%	Shares	Sole	2025-01-23
2024-09-30	$2,902,700	111,172	+0.5%	Shares	Sole	2024-10-28
2024-06-30	$2,200,231	110,620	+27.3%	Shares	Sole	2024-08-06
2024-03-31	$1,681,205	86,884	+182.1%	Shares	Sole	2024-05-02
2023-12-31	$821,744	30,800	—	Shares	Sole	2024-01-30
No filing history on record for this holder in this stock.