THOMPSON SIEGEL & WALMSLEY LLC

Position in IRM — Iron Mountain Inc

CIK 1008322 RICHMOND, VA

Position in IRM

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$6,342,894

+$2,502,309 QoQ

Shares Held

62,100

+34.1% QoQ

Ownership

0.021%

of shares outstanding

% of Portfolio

0.12%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

5 quarters on record

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

Real Estate · as of Mar 31, 2026

THOMPSON SIEGEL & WALMSLEY LLC holds $152,333,055 across 5 REIT - Specialty names. IRM ranks #4 (4.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CCI	Crown Castle Inc.	912,744	$74,215,214
2	GLPI	Gaming & Leisure Properties, Inc.	1,336,006	$59,278,586
3	LAMR	Lamar Advertising Co/New	57,442	$7,275,603
4	IRM	Iron Mountain Inc This page	62,100	$6,342,894
5	EQIX	Equinix Inc	5,326	$5,220,758

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$6,342,894	62,100	+34.1%	Shares	Defined	2026-05-11
2025-12-31	$3,840,585	46,300	-46.4%	Shares	Defined	2026-02-10
2025-09-30	$8,807,616	86,400	+30.5%	Shares	Defined	2025-11-12
2025-06-30	$6,790,134	66,200	+6619900.0%	Shares	Defined	2025-08-06
2020-03-31	$23	1	—	Shares	Defined	2020-05-12
No filing history on record for this holder in this stock.