COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS

Position in IRM — Iron Mountain Inc

CIK 1083190 HARRISBURG, PA

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Position in IRM

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

Position Value

$36,178,720

+$15,514,164 QoQ

Shares Held

286,428

+41.6% QoQ

Ownership

0.096%

of shares outstanding

% of Portfolio

0.19%

of 13F equity value

Holder Rank

#94

of 1,157 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in IRM Over Time

Shares Held

Position Value (USD)

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS holds $469,702,628 across 12 REIT - Specialty names. IRM ranks #6 (7.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMT	American Tower Corp /Ma/	848,826	$138,842,468
2	EQIX	Equinix Inc	97,225	$101,346,367
3	CCI	Crown Castle Inc.	869,134	$65,819,517
4	DLR	Digital Realty Trust, Inc.	334,005	$59,980,617
5	SBAC	Sba Communications Corp	254,001	$44,821,016
6	IRM	Iron Mountain Inc This page	286,428	$36,178,720
7	GLPI	Gaming & Leisure Properties, Inc.	270,948	$12,065,314
8	EPR	Epr Properties	74,176	$4,302,949

All Filings in IRM

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$36,178,720	286,428	+41.6%	Shares	Sole	2026-07-17
2026-03-31	$20,664,556	202,316	+22.8%	Shares	Sole	2026-05-01
2025-12-31	$13,662,777	164,711	-1.5%	Shares	Sole	2026-02-10
2025-09-30	$17,041,615	167,173	-0.1%	Shares	Sole	2025-11-12
2025-06-30	$17,171,448	167,412	+3.4%	Shares	Sole	2025-08-08
2025-03-31	$13,929,359	161,894	+3.0%	Shares	Sole	2025-05-13
2024-12-31	$16,514,567	157,117	+36.9%	Shares	Sole	2025-02-11
2024-09-30	$13,640,614	114,791	-1.0%	Shares	Sole	2024-11-07
2024-06-30	$10,388,929	115,922	+80.8%	Shares	Sole	2024-08-12
2024-03-31	$5,141,461	64,100	+0.2%	Shares	Sole	2024-05-08
2023-12-31	$4,474,661	63,942	+9.0%	Shares	Sole	2024-02-09
2023-09-30	$3,488,644	58,682	+15.4%	Shares	Sole	2023-11-09
2023-06-30	$2,889,865	50,860	+3.2%	Shares	Sole	2023-08-09
2023-03-31	$2,607,563	49,283	+0.3%	Shares	Sole	2023-05-09
2022-12-31	$2,449,678	49,141	+15.6%	Shares	Sole	2023-02-13
2022-09-30	$1,869,516	42,518	+0.5%	Shares	Sole	2022-11-14
2022-06-30	$2,059,879	42,306	+9.2%	Shares	Sole	2022-08-15
2022-03-31	$2,146,749	38,743	+6.6%	Shares	Sole	2022-05-12
2021-12-31	$1,901,881	36,344	+0.2%	Shares	Sole	2022-02-11
2021-09-30	$1,576,105	36,274	+0.3%	Shares	Sole	2021-11-10
2021-06-30	$1,530,926	36,175	+0.3%	Shares	Sole	2021-08-12
2021-03-31	$1,335,024	36,072	+0.2%	Shares	Sole	2021-05-12
2020-12-31	$1,061,486	36,007	+34.9%	Shares	Sole	2021-02-12
2020-09-30	$715,239	26,698	+62.2%	Shares	Sole	2020-11-12
2020-06-30	$429,632	16,461	-10.3%	Shares	Sole	2020-08-11
2020-03-31	$436,611	18,345	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.