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 1,160 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 |
|---|---|---|---|---|---|
|
Segall Bryant & Hamill, LLC
Chicago, IL |
Nov 12, 2025 Q3 2025 |
12,009
shares
|
$1.1 Million
0.02% of portfolio
|
Q3 2024
New holding
|
|
|
Oak Thistle LLC
|
Oct 06, 2025 Q3 2025 |
11,980
shares
|
$1.09 Million
0.2% of portfolio
|
Q3 2025
Added 85.25%
|
|
|
New Edge Wealth, LLC
Pittsburgh, PA |
Nov 07, 2025 Q3 2025 |
11,884
shares
|
$1.09 Million
0.02% of portfolio
|
Q3 2025
Added 4.04%
|
|
|
Tokio Marine Asset Management CO LTD
Tokyo, M0 |
Oct 27, 2025 Q3 2025 |
11,856
shares
|
$1.08 Million
0.04% of portfolio
|
Q3 2025
Added 11.55%
|
|
|
New Square Capital LLC
|
Nov 12, 2025 Q3 2025 |
11,823
shares
|
$1.08 Million
0.08% of portfolio
|
Q3 2025
Added 4867.65%
|
|
|
Cary Street Partners Financial LLC
Richmond, VA |
Nov 10, 2025 Q3 2025 |
11,777
shares
|
$1.08 Million
0.03% of portfolio
|
Q3 2025
Reduced 3.35%
|
|
|
Tcg Advisory Services, LLC
Austin, TX |
Nov 12, 2025 Q3 2025 |
11,765
shares
|
$1.07 Million
0.04% of portfolio
|
Q3 2025
Added 1.69%
|
|
|
Kessler Investment Group, LLC
|
Oct 09, 2025 Q3 2025 |
11,762
shares
|
$1.07 Million
0.56% of portfolio
|
Q3 2025
Added 0.29%
|
|
|
Cwm, LLC
|
Oct 15, 2025 Q3 2025 |
11,739
shares
|
$1.07 Million
0.0% of portfolio
|
Q3 2025
Added 39.5%
|
|
|
Assenagon Asset Management S.A.
|
Oct 07, 2025 Q3 2025 |
11,724
shares
|
$1.07 Million
0.0% of portfolio
|
Q3 2025
Added 1.61%
|
|
|
Redhawk Wealth Advisors, Inc.
Minneapolis, MN |
Oct 09, 2025 Q3 2025 |
11,712
shares
|
$1.07 Million
0.15% of portfolio
|
Q3 2025
Reduced 10.5%
|
|
|
Summit Financial, LLC
Parsippany, NJ |
Nov 14, 2025 Q3 2025 |
11,711
shares
|
$1.07 Million
0.02% of portfolio
|
Q3 2025
Reduced 1.44%
|
|
|
Healthcare Of Ontario Pension Plan Trust Fund
Toronto, A6 |
Nov 13, 2025 Q3 2025 |
11,692
shares
|
$1.07 Million
0.0% of portfolio
|
Q3 2025
Reduced 0.65%
|
|
|
Delta Capital Management LLC
|
Oct 14, 2025 Q3 2025 |
11,610
shares
|
$1.06 Million
0.41% of portfolio
|
Q4 2024
Reduced 1.69%
|
|
|
Abbot Financial Management, Inc.
North Andover, MA |
Nov 10, 2025 Q3 2025 |
11,552
shares
|
$1.06 Million
0.51% of portfolio
|
Q3 2025
Added 5.81%
|
|
|
Savoie Capital LLC
Chicago, IL |
Aug 14, 2025 Q2 2025 |
11,545
shares
|
$1.05 Million
0.15% of portfolio
|
Q3 2024
New holding
|
|
|
Truvestments Capital LLC
Sarasota, FL |
Nov 14, 2025 Q3 2025 |
11,498
shares
|
$1.05 Million
0.23% of portfolio
|
Q3 2025
Reduced 18.8%
|
|
|
Chesley Taft & Associates LLC
|
Oct 07, 2025 Q3 2025 |
11,476
shares
|
$1.05 Million
0.05% of portfolio
|
Q3 2025
Reduced 0.14%
|
|
|
Burling Wealth Partners, LLC
Chicago, IL |
Nov 07, 2025 Q3 2025 |
11,392
shares
|
$1.04 Million
0.19% of portfolio
|
Q3 2025
Reduced 10.51%
|
|
|
Bank Of The West
|
Jan 31, 2023 Q4 2022 |
11,374
shares
|
$1.04 Million
0.07% of portfolio
|
Q4 2022
Added 0.3%
|
|
|
Retirement Planning CO Of New England, Inc.
Warwick, RI |
Nov 03, 2025 Q3 2025 |
11,366
shares
|
$1.04 Million
0.49% of portfolio
|
Q3 2025
Reduced 0.78%
|
|
|
Cx Institutional
|
Oct 23, 2025 Q3 2025 |
11,246
shares
|
$1.03 Million
0.03% of portfolio
|
Q3 2025
Added 544.47%
|
|
|
Pensionmark Financial Group, LLC
Santa Barbara, CA |
Oct 15, 2025 Q3 2025 |
11,194
shares
|
$1.02 Million
0.02% of portfolio
|
Q3 2025
Added 33.09%
|
|
|
Ldr Capital Management LLC
New York, NY |
Oct 29, 2025 Q3 2025 |
11,073
shares
|
$1.01 Million
3.39% of portfolio
|
Q3 2025
New holding
|
|
|
Guggenheim Capital LLC
Chicago, IL |
Nov 13, 2025 Q3 2025 |
11,069
shares
|
$1.01 Million
0.01% of portfolio
|
Q3 2025
Reduced 12.19%
|
|