Aberdeen Group plc

Position in IRM — Iron Mountain Inc

CIK 1716774 EDINBURGH, X0

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Position in IRM

as of Jun 30, 2026 · filed Jul 31, 2026 Compact

Position Value

$87,345,132

+$49,429,949 QoQ

Shares Held

691,514

+86.3% QoQ

Ownership

0.232%

of shares outstanding

% of Portfolio

0.13%

of 13F equity value

Holder Rank

#48

of 1,153 holders

Holding Since

Mar 2020

25 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

Aberdeen Group plc holds $894,045,683 across 11 REIT - Specialty names. IRM ranks #4 (9.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	EQIX	Equinix Inc	283,638	$295,661,413
2	DLR	Digital Realty Trust, Inc.	915,003	$164,316,236
3	AMT	American Tower Corp /Ma/	888,237	$145,288,925
4	IRM	Iron Mountain Inc This page	691,514	$87,345,132
5	CCI	Crown Castle Inc.	1,054,126	$79,828,961
6	SBAC	Sba Communications Corp	232,045	$40,946,660
7	EPR	Epr Properties	458,021	$26,569,797
8	WY	Weyerhaeuser Co	1,032,157	$24,709,837

All Filings in IRM

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$87,345,132	691,514	+86.3%	Shares	Defined	2026-07-31
2026-03-31	$37,915,183	371,208	+1.7%	Shares	Defined	2026-04-29
2025-12-31	$30,267,541	364,889	-4.6%	Shares	Defined	2026-01-16
2025-09-30	$39,005,708	382,634	+12.7%	Shares	Defined	2025-11-07
2025-06-30	$34,839,232	339,663	+10.0%	Shares	Defined	2025-07-24
2025-03-31	$26,555,901	308,646	-51.0%	Shares	Defined	2025-05-13
2024-12-31	$66,223,082	630,036	+0.6%	Shares	Defined	2025-01-24
2024-09-30	$74,420,851	626,280	+88.2%	Shares	Defined	2024-10-25
2024-06-30	$29,830,464	332,855	+42.6%	Shares	Defined	2024-08-09
2024-03-31	$18,716,201	233,340	+2.4%	Shares	Defined	2024-05-09
2023-12-31	$15,947,321	227,884	+34.5%	Shares	Defined	2024-01-31
2023-09-30	$10,071,067	169,404	+2.5%	Shares	Defined	2023-11-07
2023-06-30	$9,394,958	165,346	+5.7%	Shares	Defined	2024-06-20
2023-03-31	$8,278,350	156,461	+6.3%	Shares	Defined	2024-06-20
2022-12-31	$7,339,863	147,239	+7.5%	Shares	Defined	2024-06-20
2022-09-30	$6,023,051	136,981	+37.7%	Shares	Defined	2022-11-10
2022-06-30	$4,843,823	99,483	+6.4%	Shares	Defined	2022-08-05
2022-03-31	$5,178,727	93,462	-46.0%	Shares	Defined	2022-05-04
2021-09-30	$7,513,763	172,929	-0.7%	Shares	Defined	2021-11-15
2021-06-30	$7,366,896	174,076	-4.2%	Shares	Defined	2021-08-10
2021-03-31	$6,727,972	181,788	+7.2%	Shares	Defined	2021-05-06
2020-12-31	$4,997,624	169,526	+4.3%	Shares	Defined	2021-02-10
2020-09-30	$4,354,497	162,542	-7.4%	Shares	Defined	2020-10-21
2020-06-30	$4,579,269	175,451	-2.3%	Shares	Defined	2020-08-10
2020-03-31	$4,274,455	179,599	—	Shares	Defined	2020-05-13
No filing history on record for this holder in this stock.