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 1,120 institutions that hold shares in the stock, with a total of 234 Million shares, which have been reported (via 13F filing form) to have a value of $23.2 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Mizuho Securities Usa LLC
|
May 12, 2025 Q1 2025 |
23,520
shares
|
$2.34 Million
0.05% of portfolio
|
Q1 2025
Reduced 15.44%
|
|
|
Capital Investment Advisors, LLC
|
Jul 17, 2025 Q2 2025 |
23,379
shares
|
$2.32 Million
0.04% of portfolio
|
Q2 2025
New holding
|
|
|
Stock Yards Bank & Trust CO
Louisville, KY |
Jul 21, 2025 Q2 2025 |
23,270
shares
|
$2.31 Million
0.08% of portfolio
|
Q1 2025
Reduced 9.84%
|
|
|
Connor, Clark & Lunn Investment Management Ltd.
|
May 12, 2025 Q1 2025 |
23,263
shares
|
$2.31 Million
0.01% of portfolio
|
Q1 2025
New holding
|
|
|
Pathstone Family Office, LLC
Englewood, NJ |
Nov 08, 2023 Q3 2023 |
23,200
shares
|
$2.3 Million
0.01% of portfolio
|
Q2 2023
Reduced 41.89%
|
|
|
Aigen Investment Management, LP
|
May 12, 2025 Q1 2025 |
23,104
shares
|
$2.29 Million
0.34% of portfolio
|
Q1 2025
New holding
|
|
|
Quantbot Technologies LP
New York, NY |
May 13, 2025 Q1 2025 |
23,078
shares
|
$2.29 Million
0.07% of portfolio
|
Q1 2025
Reduced 49.75%
|
|
|
Tredje Ap Fonden
|
May 08, 2025 Q1 2025 |
23,057
shares
|
$2.29 Million
0.02% of portfolio
|
Q4 2024
Reduced 50.0%
|
|
|
B. Metzler Seel. Sohn & Co. Holding Ag
Frankfurt, 2M |
Nov 08, 2024 Q3 2024 |
23,047
shares
|
$2.29 Million
0.03% of portfolio
|
Q3 2024
Added 40.16%
|
|
|
Boenning & Scattergood, Inc.
|
Jan 25, 2023 Q4 2022 |
22,800
shares
|
$2.26 Million
0.2% of portfolio
|
Q4 2022
Added 2.7%
|
|
|
Ancora Advisors, LLC
Cleveland, OH |
May 15, 2025 Q1 2025 |
22,740
shares
|
$2.26 Million
0.05% of portfolio
|
Q4 2024
Reduced 1.73%
|
|
|
Argent Financial Group, Inc.
Ruston, LA |
Nov 13, 2024 Q3 2024 |
22,639
shares
|
$2.25 Million
0.32% of portfolio
|
Q3 2024
New holding
|
|
|
Teachers Retirement System Of The State Of Kentucky
Frankfort, KY |
May 05, 2025 Q1 2025 |
22,601
shares
|
$2.24 Million
0.02% of portfolio
|
Q1 2025
Added 4.34%
|
|
|
F
|
May 14, 2025 Q1 2025 |
22,406
shares
|
$2.22 Million
0.09% of portfolio
|
Q1 2025
Reduced 4.4%
|
|
|
Quadrature Capital LTD
London, X0 |
May 13, 2025 Q1 2025 |
22,389
shares
|
$2.22 Million
0.04% of portfolio
|
Q1 2025
Added 86.72%
|
|
|
Mcmillion Capital Management Inc
|
Aug 08, 2023 Q2 2023 |
21,672
shares
|
$2.15 Million
1.1% of portfolio
|
Q2 2023
Reduced 2.08%
|
|
|
Fiduciary Trust CO
Boston, MA |
May 14, 2025 Q1 2025 |
21,574
shares
|
$2.14 Million
0.03% of portfolio
|
Q1 2025
Reduced 0.68%
|
|
|
Heritage Trust CO
Oklahoma City, OK |
May 09, 2025 Q1 2025 |
21,503
shares
|
$2.14 Million
0.23% of portfolio
|
Q1 2025
Reduced 2.94%
|
|
|
Kcm Investment Advisors LLC
Greenbrae, CA |
May 14, 2025 Q1 2025 |
21,310
shares
|
$2.12 Million
0.07% of portfolio
|
Q4 2024
Reduced 1.15%
|
|
|
Susquehanna Portfolio Strategies, LLC
Bala Cynwyd, PA |
May 14, 2025 Q1 2025 |
21,247
shares
|
$2.11 Million
0.79% of portfolio
|
Q1 2025
New holding
|
|
|
B. Metzler Seel. Sohn & Co. Ag
Frankfurt, 2M |
May 14, 2025 Q1 2025 |
21,193
shares
|
$2.1 Million
0.02% of portfolio
|
Q1 2025
Reduced 14.19%
|
|
|
Brr Op Co, LLC
|
Nov 08, 2022 Q3 2022 |
21,115
shares
|
$2.1 Million
0.11% of portfolio
|
Q3 2022
New holding
|
|
|
Fifth Third Bancorp
|
Jul 15, 2025 Q2 2025 |
21,090
shares
|
$2.09 Million
0.01% of portfolio
|
Q2 2025
Added 2.42%
|
|
|
Cascade Investment Group, Inc.
Colorado Springs, CO |
May 14, 2025 Q1 2025 |
21,080
shares
|
$2.09 Million
1.39% of portfolio
|
Q1 2025
Reduced 2.23%
|
|
|
Oak Thistle LLC
|
May 06, 2025 Q1 2025 |
20,886
shares
|
$2.07 Million
0.38% of portfolio
|
Q1 2025
Added 189.24%
|