IRON MTN INC DEL
IRM·46284V101·US·REIT·Real Estate - REIT - Specialty-13D/G
IRM (IRON MTN INC DEL) is held by 296 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($4.2B), VANGUARD PORTFOLIO MANAGEMENT LLC ($3.2B), VANGUARD CAPITAL MANAGEMENT LLC ($2.4B). Net institutional sentiment: Mixed. In Q2 2026, 1 member of Congress and 166 funds bought IRM.
296
Holders
(30 Elite)
$28.1B
Total Value
56% (298)
Consensus
166 buying - 132 selling
13F: Insider & Congress: Updated regularly
Who's Trading
Source dates: Price Oct 21, 2026 · Insiders Oct 5, 2026 · Activists May 7, 2026 · Congress Jan 13, 2026
InsiderMLMeaney William LExercise 38K shOct 1, 2026
InsiderMLMeaney William LSell $1.6MOct 1, 2026
InsiderMWMcIntosh Greg WSell $554KOct 1, 2026
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Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer