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IRON MOUNTAIN INC (IRM) Ownership Summary
Institutional Holders
Total Number of Holders 1,001
% of Shares Outstanding 81.21%
Total Shares Held 238,067,418
Total Value of Holdings $21,806,975,488.80
Net Activity 5,390,368
 
Top 5 Holders Shares Held Shares Changed
VANGUARD GROUP INC 46,377,234 102,124
COHEN & STEERS, INC. 23,655,038 1,179,424
BLACKROCK INC. 23,108,831 (163,962)
STATE STREET CORP 13,811,808 18,872
GEODE CAPITAL MANAGEMENT, LLC 7,320,486 255,710

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Insider Trades
 Last 3 mos.Last 12 mos.
Number of Insider Trades1552
Number of Buys00
Number of Sells1552
Net Activity (170,553) (719,363)
 
Top 5 TradesShares Traded Date
BAKER-GREENE EDWARD6,2006/20/2024
TOMOVCSIK JOHN35,0846/20/2024
HYTINEN BARRY9,0006/18/2024
BORGES DANIEL3,0956/17/2024
MCINTOSH GREG W13,9236/13/2024

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5% Ownership (SC 13D & SC 13G Filings)
View Form   Filer  Received  Period 
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View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G   COHEN & STEERS, INC.  02/14/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G/A   VANGUARD GROUP INC  02/13/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G/A   BLACKROCK INC.  01/26/24   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G/A   CAPITAL WORLD INVESTORS  12/11/23   File this document to a folder.
View Filing in HTMLView Filing in RTFView Filing in PDFView Filing in ExcelView Filing in Original Format  SC 13G/A   CAPITAL WORLD INVESTORS  02/13/23   File this document to a folder.