IRON MOUNTAIN INC - Common Stock (IRM)

Q1 2025 13F Holders as of 31 Mar 2025

Type / Class
Equity / Common Stock
Shares outstanding
295,211,087
Total 13F shares
240,741,062
Share change
+4,596,806
Total reported value
$20,717,944,974
Put/Call ratio
137%
Price per share
$86.04
Number of holders
978
Value change
+$263,089,247
Number of buys
419
Number of sells
535

Institutional Holders of IRON MOUNTAIN INC - Common Stock (IRM) as of Q1 2025

As of 31 Mar 2025, IRON MOUNTAIN INC - Common Stock (IRM) was held by 978 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 240,741,062 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock, Inc., STATE STREET CORP, COHEN & STEERS, INC., GEODE CAPITAL MANAGEMENT, LLC, FMR LLC, NORTHERN TRUST CORP, DIMENSIONAL FUND ADVISORS LP, CHARLES SCHWAB INVESTMENT MANAGEMENT INC, and MORGAN STANLEY. This page lists 983 institutional shareholders reporting positions in this security for the Q1 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.