Institutional shares held 245 Million
1.41M calls
984K puts
Total value of holdings $22.4B
$129M calls
$89.9M puts
Market Cap $26.6B
290,684,992 Shares Out.
Institutional ownership 84.18%
# of Institutions 1,161


Latest Institutional Activity in IRM

Top Purchases

Q3 2025
Ubs Asset Management Americas Inc Shares Held: 3.16M ($289M)
Q3 2025
Cohen & Steers, Inc. Shares Held: 15.7M ($1.44B)
Q3 2025
Vontobel Holding Ltd. Shares Held: 1.08M ($98.5M)
Q3 2025
Contour Asset Management LLC Shares Held: 3.17M ($289M)
Q3 2025
Invesco Ltd. Shares Held: 5.07M ($463M)

Top Sells

Q3 2025
Wellington Management Group LLP Shares Held: 249K ($22.7M)
Q3 2025
Cibc Bancorp Usa Inc. Shares Held: 118K ($10.8M)
Q3 2025
Deutsche Bank Ag\ Shares Held: 2.89M ($264M)
Q3 2025
Goldman Sachs Group Inc Shares Held: 1.35M ($124M)
Q3 2025
Amundi Shares Held: 1.09M ($99.2M)

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
1.9M Shares
From 18 Insiders
Grant, award, or other acquisition 17.8K shares
Exercise of conversion of derivative security 1.88M shares
Open market or private purchase 33 shares
Sell / Disposition
1.72M Shares
From 17 Insiders
Sale (or disposition) back to the issuer 960 shares
Payment of exercise price or tax liability 380K shares
Open market or private sale 1.32M shares
Bona fide gift 13.3K shares

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