Chicago Capital, LLC

Position in IRM — Iron Mountain Inc

CIK 1740053 Chicago, IL

Position in IRM

as of Jun 30, 2026 · filed Jul 28, 2026 Compact

Position Value

$8,826,669

+$251,914 QoQ

Shares Held

69,881

-16.8% QoQ

Ownership

0.023%

of shares outstanding

% of Portfolio

0.22%

of 13F equity value

Holder Rank

#214

of 1,152 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Real Estate · as of Jun 30, 2026

Chicago Capital, LLC holds $10,976,897 across 3 REIT - Specialty names. IRM ranks #1 (80.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	IRM	Iron Mountain Inc This page	69,881	$8,826,669
2	CCI	Crown Castle Inc.	17,745	$1,343,828
3	AMT	American Tower Corp /Ma/	4,930	$806,400

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$8,826,669	69,881	-16.8%	Shares	Sole	2026-07-28
2026-03-31	$8,574,755	83,951	+0.9%	Shares	Sole	2026-04-24
2025-12-31	$6,898,287	83,162	-1.0%	Shares	Sole	2026-01-26
2025-09-30	$8,564,591	84,016	-13.9%	Shares	Sole	2025-10-22
2025-06-30	$10,014,524	97,636	-1.6%	Shares	Sole	2025-07-17
2025-03-31	$8,536,372	99,214	-3.7%	Shares	Sole	2025-04-17
2024-12-31	$10,834,423	103,077	+0.0%	Shares	Sole	2025-01-24
2024-09-30	$12,245,787	103,053	+21.1%	Shares	Sole	2024-10-18
2024-06-30	$7,625,945	85,092	-1.1%	Shares	Sole	2024-08-06
2024-03-31	$6,900,626	86,032	-0.6%	Shares	Sole	2024-04-15
2023-12-31	$6,054,809	86,522	-6.1%	Shares	Sole	2024-01-22
2023-09-30	$5,478,674	92,156	0.0%	Shares	Sole	2023-10-25
2023-06-30	$5,236,303	92,156	0.0%	Shares	Sole	2023-07-20
2023-03-31	$4,875,973	92,156	0.0%	Shares	Sole	2023-04-18
2022-12-31	$4,593,976	92,156	0.0%	Shares	Sole	2023-01-20
2022-09-30	$4,052,099	92,156	-0.3%	Shares	Sole	2022-10-14
2022-06-30	$4,501,682	92,456	-0.5%	Shares	Sole	2022-07-21
2022-03-31	$5,149,195	92,929	-0.6%	Shares	Sole	2022-04-21
2021-12-31	$4,891,023	93,465	0.0%	Shares	Sole	2022-01-20
2021-09-30	$4,061,054	93,465	-0.0%	Shares	Sole	2021-10-28
2021-06-30	$3,956,454	93,489	-1.0%	Shares	Sole	2021-07-22
2021-03-31	$3,494,336	94,416	-2.5%	Shares	Sole	2021-04-13
2020-12-31	$2,854,253	96,820	-2.8%	Shares	Sole	2021-01-25
2020-09-30	$2,668,605	99,612	-10.2%	Shares	Sole	2020-10-13
2020-06-30	$2,894,959	110,918	-79.7%	Shares	Sole	2020-07-29
2020-03-31	$12,984,399	545,563	—	Shares	Sole	2020-04-21
No filing history on record for this holder in this stock.