BARCLAYS PLC

Position in IRM — Iron Mountain Inc

CIK 312069 LONDON, X0

Back to IRM Full portfolio

Position in IRM

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$93,891,652

+$25,072,683 QoQ

Shares Held

743,343

+10.3% QoQ

Ownership

0.250%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#45

of 1,152 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)

Derivatives in IRM

reported options exposure · as of Mar 31, 2025

CallValue

CallShares

PutValue

$60,228,000

PutShares

700,000

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in REIT - Specialty

Real Estate · as of Jun 30, 2026

BARCLAYS PLC holds $1,265,198,099 across 18 REIT - Specialty names. IRM ranks #5 (7.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	EQIX	Equinix Inc	379,775	$395,873,661
2	CCI	Crown Castle Inc.	3,824,655	$289,641,121
3	DLR	Digital Realty Trust, Inc.	1,034,373	$185,752,702
4	AMT	American Tower Corp /Ma/	1,091,471	$178,531,909
5	IRM	Iron Mountain Inc This page	743,343	$93,891,652
6	SBAC	Sba Communications Corp	244,401	$43,126,999
7	WY	Weyerhaeuser Co	1,052,075	$25,186,674
8	LAMR	Lamar Advertising Co/New	136,795	$21,337,282

All Filings in IRM

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39 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$93,891,652	743,343	+10.3%	Shares	Defined	2026-08-14
2026-03-31	$68,818,969	673,771	-7.6%	Shares	Defined	2026-05-15
2025-12-31	$60,458,687	728,857	-1.5%	Shares	Sole	2026-02-13
2025-09-30	$75,424,386	739,890	+36.1%	Shares	Sole	2026-03-31
2025-06-30	$55,766,897	543,696	-15.6%	Shares	Sole	2026-02-27
2025-03-31	$55,413,717	644,046	+58.9%	Shares	Sole	2026-03-17
2025-03-31	$60,228,000	700,000	+27900.0%	Put	Sole	2026-03-17
2024-12-31	$42,613,799	405,421	-31.4%	Shares	Sole	2026-03-19
2024-09-30	$70,264,414	591,302	-7.2%	Shares	Sole	2026-03-31
2024-06-30	$57,084,443	636,961	+8.5%	Shares	Sole	2026-03-23
2024-03-31	$47,075,568	586,904	-24.0%	Shares	Sole	2026-03-24
2023-12-31	$54,046,952	772,320	+36.8%	Shares	Sole	2026-03-24
2023-09-30	$33,558,810	564,488	-5.9%	Shares	Sole	2026-03-26
2023-06-30	$34,068,873	599,593	+88.6%	Shares	Sole	2026-03-27
2023-03-31	$16,824,108	317,976	-65.9%	Shares	Sole	2026-03-30
2022-12-31	$46,537,666	933,554	+58.8%	Shares	Sole	2026-03-30
2022-09-30	$25,844,904	587,785	+31.1%	Shares	Sole	2022-11-03
2022-06-30	$21,826,314	448,271	-0.6%	Shares	Sole	2022-08-12
2022-03-31	$24,997,666	451,140	-40.0%	Shares	Sole	2022-05-16
2021-12-31	$39,371,835	752,376	-24.2%	Shares	Sole	2022-02-14
2021-12-31	$130,825	2,500	0.0%	Put	Sole	2022-02-14
2021-09-30	$43,149,324	993,080	+18.5%	Shares	Sole	2021-11-09
2021-09-30	$108,625	2,500	0.0%	Put	Sole	2021-11-09
2021-06-30	$105,800	2,500	0.0%	Put	Sole	2021-08-13
2021-06-30	$35,466,359	838,052	+66.8%	Shares	Sole	2021-08-13
2021-03-31	$18,593,600	502,394	+3.5%	Shares	Sole	2021-05-13
2021-03-31	$92,525	2,500	-75.2%	Put	Sole	2021-05-13
2020-12-31	$312,488	10,600	0.0%	Call	Sole	2021-02-11
2020-12-31	$14,309,384	485,393	-44.5%	Shares	Sole	2021-02-11
2020-12-31	$297,748	10,100	0.0%	Put	Sole	2021-02-11
2020-09-30	$270,579	10,100	-1.0%	Put	Sole	2020-11-12
2020-09-30	$283,974	10,600	-28.9%	Call	Sole	2020-11-12
2020-09-30	$23,425,148	874,399	+12.6%	Shares	Sole	2020-11-12
2020-06-30	$388,890	14,900	-72.0%	Call	Sole	2020-08-12
2020-06-30	$20,273,356	776,757	-16.5%	Shares	Sole	2020-08-12
2020-06-30	$266,220	10,200	-87.5%	Put	Sole	2020-08-12
2020-03-31	$1,934,940	81,300	—	Put	Sole	2020-05-13
2020-03-31	$22,132,856	929,952	—	Shares	Sole	2020-05-13
2020-03-31	$1,268,540	53,300	—	Call	Sole	2020-05-13
No filing history on record for this holder in this stock.