SeaBridge Investment Advisors LLC

Position in IRM — Iron Mountain Inc

CIK 1304229 SUMMIT, NJ

Position in IRM

as of Jun 30, 2026 · filed Jul 17, 2026 Compact

Position Value

$342,426

+$65,525 QoQ

Shares Held

2,711

0.0% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

#770

of 1,152 holders

Holding Since

Mar 2020

18 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Real Estate · as of Jun 30, 2026

SeaBridge Investment Advisors LLC holds $342,426 across 1 REIT - Specialty name. IRM ranks #1 (100.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	IRM	Iron Mountain Inc This page	2,711	$342,426

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$342,426	2,711	0.0%	Shares	Sole	2026-07-17
2026-03-31	$276,901	2,711	-85.0%	Shares	Sole	2026-04-29
2023-12-31	$1,261,739	18,030	0.0%	Shares	Sole	2024-01-25
2023-09-30	$1,071,883	18,030	-1.0%	Shares	Sole	2023-10-26
2023-06-30	$1,035,089	18,217	-54.1%	Shares	Sole	2023-07-28
2023-03-31	$2,100,315	39,696	-1.5%	Shares	Sole	2023-04-28
2022-12-31	$2,009,752	40,316	+0.3%	Shares	Sole	2023-01-19
2022-09-30	$1,767,330	40,194	+5.7%	Shares	Sole	2022-11-03
2022-06-30	$1,852,216	38,041	-1.7%	Shares	Sole	2022-07-29
2022-03-31	$2,143,702	38,688	-10.1%	Shares	Sole	2022-05-09
2021-12-31	$2,251,445	43,024	-20.4%	Shares	Sole	2022-02-02
2021-09-30	$2,347,994	54,039	-1.0%	Shares	Sole	2021-11-12
2021-06-30	$2,309,402	54,570	-0.2%	Shares	Sole	2021-08-10
2021-03-31	$2,024,261	54,695	-36.4%	Shares	Sole	2021-05-10
2020-12-31	$2,535,280	86,000	-1.4%	Shares	Sole	2021-02-09
2020-09-30	$2,337,427	87,250	-1.5%	Shares	Sole	2020-10-20
2020-06-30	$2,311,416	88,560	+14.8%	Shares	Sole	2020-07-27
2020-03-31	$1,836,408	77,160	—	Shares	Sole	2020-04-17
No filing history on record for this holder in this stock.