Institutional Ownership Iron Mountain Inc (IRM)
This table provides information about the institutional ownership of Iron Mountain Inc (IRM). We have compiled data on the 1,159 institutions that hold shares in the stock, with a total of 245 Million shares, which have been reported (via 13F filing form) to have a value of $22.4 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Nippon Life Global Investors Americas, Inc.
|
Oct 29, 2025 Q3 2025 |
151,450
shares
|
$13.8 Million
0.67% of portfolio
|
Q3 2025
Added 2.25%
|
|
|
Chevy Chase Trust Holdings, Inc.
Bethesda, MD |
Nov 14, 2025 Q3 2025 |
150,731
shares
|
$13.8 Million
0.04% of portfolio
|
Q3 2025
Reduced 3.28%
|
|
|
First Trust Advisors LP
Wheaton, IL |
Nov 12, 2025 Q3 2025 |
149,839
shares
|
$13.7 Million
0.01% of portfolio
|
Q3 2025
Added 159.67%
|
|
|
Intrinsic Edge Capital Management LLC
Chicago, IL |
Nov 12, 2025 Q3 2025 |
149,371
shares
|
$13.6 Million
2.59% of portfolio
|
Q3 2025
Reduced 19.19%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
148,929
shares
|
$13.6 Million
0.02% of portfolio
|
Q3 2025
Reduced 61.64%
|
|
|
Tectonic Advisors LLC
Plano, TX |
Oct 21, 2025 Q3 2025 |
148,375
shares
|
$13.6 Million
0.92% of portfolio
|
Q3 2025
Added 15.58%
|
|
|
Federated Hermes, Inc.
Pittsburgh, PA |
Nov 03, 2025 Q3 2025 |
146,766
shares
|
$13.4 Million
0.03% of portfolio
|
Q3 2025
Reduced 9.92%
|
|
|
Dana Investment Advisors, Inc.
Brookfield, WI |
Nov 10, 2025 Q3 2025 |
145,541
shares
|
$13.3 Million
0.46% of portfolio
|
Q3 2025
Reduced 2.53%
|
|
|
La Banque Postale Asset Management Sa
Paris, I0 |
Oct 31, 2025 Q3 2025 |
145,305
shares
|
$13.3 Million
0.18% of portfolio
|
Q3 2025
Added 26.94%
|
|
|
D. E. Shaw & Co., Inc.
New York, NY |
Nov 14, 2025 Q3 2025 |
144,039
shares
|
$13.2 Million
0.01% of portfolio
|
Q3 2025
Reduced 75.33%
|
|
|
Royal London Asset Management LTD
United Kingdom, X0 |
Nov 13, 2025 Q3 2025 |
143,849
shares
|
$13.1 Million
0.03% of portfolio
|
Q3 2025
Added 0.43%
|
|
|
Cambridge Investment Research Advisors, Inc.
|
Nov 12, 2025 Q3 2025 |
139,491
shares
|
$12.7 Million
0.04% of portfolio
|
Q3 2025
Reduced 2.76%
|
|
|
Trust CO Of Virginia
|
Oct 23, 2025 Q3 2025 |
139,464
shares
|
$12.7 Million
1.2% of portfolio
|
Q3 2025
Reduced 0.69%
|
|
|
Sargent Investment Group, LLC
|
Nov 14, 2025 Q3 2025 |
137,404
shares
|
$12.6 Million
2.03% of portfolio
|
Q3 2025
Added 0.48%
|
|
|
Hall Private Wealth Advisors
|
Nov 14, 2023 Q3 2023 |
137,107
shares
|
$12.5 Million
5.48% of portfolio
|
Q3 2023
Reduced 26.43%
|
|
|
Credit Agricole S A
|
Nov 14, 2025 Q3 2025 |
134,795
shares
|
$12.3 Million
0.04% of portfolio
|
Q3 2025
Reduced 32.86%
|
|
|
Vert Asset Management LLC
Sausalito, CA |
Oct 29, 2025 Q3 2025 |
134,581
shares
|
$12.3 Million
4.62% of portfolio
|
Q3 2025
Added 3.94%
|
|
|
Virginia Retirement Systems Et Al
Richmond, VA |
Oct 20, 2025 Q3 2025 |
132,600
shares
|
$12.1 Million
0.09% of portfolio
|
Q3 2025
Added 8.42%
|
|
|
Treasurer Of The State Of North Carolina
|
Nov 13, 2025 Q3 2025 |
131,904
shares
|
$12.1 Million
0.04% of portfolio
|
Q3 2025
Reduced 3.75%
|
|
|
Ar Asset Management Inc
|
Nov 12, 2025 Q3 2025 |
130,600
shares
|
$11.9 Million
2.81% of portfolio
|
Q2 2025
New holding
|
|
|
Nisa Investment Advisors, LLC
|
Oct 23, 2025 Q3 2025 |
125,142
shares
|
$11.4 Million
0.05% of portfolio
|
Q3 2025
Added 47.57%
|
|
|
Mutual Advisors, LLC
Casper, WY |
Nov 04, 2025 Q3 2025 |
122,636
shares
|
$11.2 Million
0.3% of portfolio
|
Q3 2025
Reduced 7.41%
|
|
|
Ensign Peak Advisors, Inc
Salt Lake City, UT |
Nov 13, 2025 Q3 2025 |
122,587
shares
|
$11.2 Million
0.02% of portfolio
|
Q3 2025
Reduced 46.0%
|
|
|
Sanctuary Advisors, LLC
Indianapolis, IN |
Jan 31, 2025 Q4 2024 |
121,255
shares
|
$11.1 Million
0.08% of portfolio
|
Q4 2024
Reduced 6.03%
|
|
|
Quantinno Capital Management LP
New York, NY |
Nov 14, 2025 Q3 2025 |
120,359
shares
|
$11 Million
0.03% of portfolio
|
Q3 2025
Added 35.98%
|
|