Q4 2025 13F Holders as of 31 Dec 2025
-
Type / Class
-
Equity / Common Stock
-
Shares outstanding
-
295,211,087
-
Total 13F shares
-
2,573,386
-
Share change
-
+62,252
-
Total reported value
-
$214,279,303
-
Price per share
-
$82.95
-
Number of holders
-
160
-
Value change
-
+$4,030,640
-
Number of buys
-
52
-
Number of sells
-
86
Institutional Holders of IRON MOUNTAIN INC - Common Stock (IRM) as of Q4 2025
As of 31 Dec 2025,
IRON MOUNTAIN INC - Common Stock (IRM) was held by
160 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
2,573,386 shares.
The largest 10 holders included
Aberdeen Group plc, Brookstone Capital Management, Retirement Systems of Alabama, SG Americas Securities, LLC, NISA INVESTMENT ADVISORS, LLC, HOURGLASS CAPITAL, LLC, Czech National Bank, SALEM INVESTMENT COUNSELORS INC, NORDEA INVESTMENT MANAGEMENT AB, and WOODSTOCK CORP.
This page lists
160
institutional shareholders reporting positions in this security
for the Q4 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.