Institutional shares held 244 Million
1.41M calls
1.5M puts
Total value of holdings $22.5B
$130M calls
$138M puts
Market Cap $26.8B
290,684,992 Shares Out.
Institutional ownership 84.09%
# of Institutions 1,174


Latest Institutional Activity in IRM

Top Purchases

Q2 2025
Norges Bank Shares Held: 4.09M ($377M)
Q2 2025
Principal Financial Group Inc Shares Held: 2.58M ($238M)
Q2 2025
Royal Bank Of Canada Shares Held: 2.04M ($188M)
Q2 2025
Invesco Ltd. Shares Held: 4.29M ($395M)
Q2 2025
Contour Asset Management LLC Shares Held: 2.34M ($215M)

Top Sells

Q2 2025
Citadel Advisors LLC Shares Held: 140K ($12.9M)
Q2 2025
Point72 Asset Management, L.P. Shares Held: 1.01M ($93.5M)
Q2 2025
Qube Research & Technologies LTD Shares Held: 210K ($19.3M)
Q2 2025
Voloridge Investment Management, LLC Shares Held: 382K ($35.2M)
Q2 2025
Intech Investment Management LLC Shares Held: 135K ($12.5M)

About IRM

Iron Mountain Incorporated (NYSE: IRM), founded in 1951, is the global leader for storage and information management services. Trusted by more than 225,000 organizations around the world, and with a real estate network of more than 90 million square feet across approximately 1,450 facilities in approximately 50 countries, Iron Mountain stores and protects billions of valued assets, including critical business information, highly sensitive data, and cultural and historical artifacts. Providing solutions that include secure records storage, information management, digital transformation, secure destruction, as well as data centers, cloud services and art storage and logistics, Iron Mountain helps customers lower cost and risk, comply with regulations, recover from disaster, and enable a more digital way of working.


Insider Transactions at IRM

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
1.71M Shares
From 16 Insiders
Grant, award, or other acquisition 16.5K shares
Exercise of conversion of derivative security 1.69M shares
Sell / Disposition
1.71M Shares
From 19 Insiders
Open market or private sale 1.12M shares
Sale (or disposition) back to the issuer 960 shares
Payment of exercise price or tax liability 380K shares
Bona fide gift 202K shares

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