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 |
|---|---|---|---|---|---|
|
Sippican Capital Advisors
|
Oct 27, 2025 Q3 2025 |
23,532
shares
|
$2.15 Million
1.72% of portfolio
|
Q3 2025
Reduced 0.76%
|
|
|
Mizuho Securities Usa LLC
|
May 12, 2025 Q1 2025 |
23,520
shares
|
$2.15 Million
0.05% of portfolio
|
Q1 2025
Reduced 15.44%
|
|
|
Geo Wealth Management, LLC
Chicago, IL |
Nov 13, 2025 Q3 2025 |
23,419
shares
|
$2.14 Million
0.09% of portfolio
|
Q3 2025
Reduced 0.9%
|
|
|
Capital Investment Advisors, LLC
|
Oct 23, 2025 Q3 2025 |
23,227
shares
|
$2.12 Million
0.04% of portfolio
|
Q3 2025
Reduced 0.65%
|
|
|
Pathstone Family Office, LLC
Englewood, NJ |
Nov 08, 2023 Q3 2023 |
23,200
shares
|
$2.12 Million
0.01% of portfolio
|
Q2 2023
Reduced 41.89%
|
|
|
F
|
Nov 13, 2025 Q3 2025 |
23,106
shares
|
$2.11 Million
0.1% of portfolio
|
Q3 2025
Reduced 2.12%
|
|
|
Stock Yards Bank & Trust CO
Louisville, KY |
Oct 30, 2025 Q3 2025 |
23,047
shares
|
$2.11 Million
0.08% of portfolio
|
Q3 2025
Reduced 0.96%
|
|
|
B. Metzler Seel. Sohn & Co. Holding Ag
Frankfurt, 2M |
Nov 08, 2024 Q3 2024 |
23,047
shares
|
$2.11 Million
0.03% of portfolio
|
Q3 2024
Added 40.16%
|
|
|
Naviter Wealth, LLC
|
Nov 06, 2025 Q3 2025 |
23,005
shares
|
$2.1 Million
0.28% of portfolio
|
Q3 2025
Added 2.97%
|
|
|
Teachers Retirement System Of The State Of Kentucky
Frankfort, KY |
Nov 12, 2025 Q3 2025 |
22,954
shares
|
$2.1 Million
0.02% of portfolio
|
Q2 2025
Added 1.56%
|
|
|
Boenning & Scattergood, Inc.
|
Jan 25, 2023 Q4 2022 |
22,800
shares
|
$2.08 Million
0.2% of portfolio
|
Q4 2022
Added 2.7%
|
|
|
Avanza Fonder Ab
Stockholm, V7 |
Oct 16, 2025 Q3 2025 |
22,699
shares
|
$2.07 Million
0.06% of portfolio
|
Q3 2025
Added 34.12%
|
|
|
Argent Financial Group, Inc.
Ruston, LA |
Nov 13, 2024 Q3 2024 |
22,639
shares
|
$2.07 Million
0.32% of portfolio
|
Q3 2024
New holding
|
|
|
Ancora Advisors, LLC
Cleveland, OH |
Nov 14, 2025 Q3 2025 |
22,454
shares
|
$2.05 Million
0.05% of portfolio
|
Q3 2025
Reduced 1.69%
|
|
|
Benjamin Edwards Inc
Clayton, MO |
Oct 23, 2025 Q3 2025 |
22,448
shares
|
$2.05 Million
0.03% of portfolio
|
Q3 2025
Added 17.84%
|
|
|
Tema Etfs LLC
New York, NY |
Oct 24, 2025 Q3 2025 |
22,395
shares
|
$2.05 Million
0.19% of portfolio
|
Q3 2025
New holding
|
|
|
Erste Asset Management Gmb H
Vienna, C4 |
Nov 12, 2025 Q3 2025 |
22,381
shares
|
$2.04 Million
0.02% of portfolio
|
Q3 2025
Reduced 27.37%
|
|
|
Wiley Bros. Aintree Capital, LLC
|
Nov 14, 2025 Q3 2025 |
22,242
shares
|
$2.03 Million
0.02% of portfolio
|
Q3 2025
Added 36.19%
|
|
|
Agf Management LTD
Toronto Ontario Canada, A6 |
Nov 04, 2025 Q3 2025 |
22,185
shares
|
$2.03 Million
0.01% of portfolio
|
Q3 2025
Added 178.01%
|
|
|
Fifth Third Bancorp
|
Nov 07, 2025 Q3 2025 |
22,162
shares
|
$2.02 Million
0.01% of portfolio
|
Q3 2025
Added 5.08%
|
|
|
Mcmillion Capital Management Inc
|
Aug 08, 2023 Q2 2023 |
21,672
shares
|
$1.98 Million
1.1% of portfolio
|
Q2 2023
Reduced 2.08%
|
|
|
Kcm Investment Advisors LLC
Greenbrae, CA |
Nov 12, 2025 Q3 2025 |
21,327
shares
|
$1.95 Million
0.07% of portfolio
|
Q2 2025
Added 0.08%
|
|
|
Fiduciary Trust CO
Boston, MA |
Nov 14, 2025 Q3 2025 |
21,323
shares
|
$1.95 Million
0.03% of portfolio
|
Q3 2025
Reduced 5.54%
|
|
|
Heritage Trust CO
Oklahoma City, OK |
Nov 12, 2025 Q3 2025 |
21,154
shares
|
$1.93 Million
0.24% of portfolio
|
Q3 2025
Reduced 0.1%
|
|
|
Brr Op Co, LLC
|
Nov 08, 2022 Q3 2022 |
21,115
shares
|
$1.93 Million
0.11% of portfolio
|
Q3 2022
New holding
|
|