TCW GROUP INC

Position in IRM — Iron Mountain Inc

CIK 850401 LOS ANGELES, CA

Position in IRM

as of Jun 30, 2026 · filed Aug 3, 2026 Compact

Position Value

$15,281,488

+$1,455,920 QoQ

Shares Held

120,984

-10.6% QoQ

Ownership

0.041%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

#160

of 1,152 holders

Holding Since

Sep 2020

12 quarters on record

Voting authority Sole 71% Shared 0% None 29%

Real Estate · as of Jun 30, 2026

TCW GROUP INC holds $166,814,910 across 8 REIT - Specialty names. IRM ranks #3 (9.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	EQIX	Equinix Inc	70,207	$73,183,074
2	AMT	American Tower Corp /Ma/	339,526	$55,536,267
3	IRM	Iron Mountain Inc This page	120,984	$15,281,488
4	SBAC	Sba Communications Corp	58,589	$10,338,614
5	DLR	Digital Realty Trust, Inc.	46,588	$8,366,272
6	CCI	Crown Castle Inc.	32,679	$2,474,780
7	GLPI	Gaming & Leisure Properties, Inc.	30,519	$1,359,010
8	WY	Weyerhaeuser Co	11,504	$275,405

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$15,281,488	120,984	-10.6%	Shares	Defined	2026-08-03
2026-03-31	$13,825,568	135,359	+2.3%	Shares	Defined	2026-05-14
2025-12-31	$10,972,625	132,280	+63.3%	Shares	Defined	2026-02-17
2025-09-30	$8,259,484	81,023	-76.4%	Shares	Defined	2025-11-14
2022-06-30	$16,709,336	343,178	+46.3%	Shares	Defined	2022-07-19
2022-03-31	$12,998,908	234,595	-3.8%	Shares	Defined	2022-04-19
2021-12-31	$12,767,734	243,985	+5.5%	Shares	Defined	2022-01-26
2021-09-30	$10,052,764	231,364	-21.7%	Shares	Defined	2021-10-26
2021-06-30	$12,504,205	295,468	+19.9%	Shares	Defined	2021-07-23
2021-03-31	$9,118,634	246,383	+763.4%	Shares	Defined	2021-05-05
2020-12-31	$841,300	28,538	+40.0%	Shares	Defined	2021-02-02
2020-09-30	$546,139	20,386	—	Shares	Defined	2020-10-30
No filing history on record for this holder in this stock.