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 |
|---|---|---|---|---|---|
|
Thompson Investment Management, Inc.
|
Oct 17, 2025 Q3 2025 |
264
shares
|
$24,121
0.0% of portfolio
|
Q4 2024
Reduced 75.19%
|
|
|
Harbor Capital Advisors, Inc.
|
Oct 15, 2025 Q3 2025 |
262
shares
|
$23,938
0.0% of portfolio
|
Q3 2025
Reduced 1.13%
|
|
|
Quent Capital, LLC
|
Oct 27, 2025 Q3 2025 |
262
shares
|
$23,938
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Naples Money Management LLC
Naples, FL |
Nov 12, 2024 Q3 2024 |
254
shares
|
$23,207
0.03% of portfolio
|
Q1 2024
Reduced 88.82%
|
|
|
Pfs Partners, LLC
Mine Hill, NJ |
Oct 16, 2025 Q3 2025 |
250
shares
|
$22,842
0.01% of portfolio
|
Q2 2024
Reduced 40.33%
|
|
|
Img Wealth Management, Inc.
Jacksonville, FL |
Nov 05, 2025 Q3 2025 |
244
shares
|
$22,294
0.02% of portfolio
|
Q4 2024
New holding
|
|
|
Newbridge Financial Services Group, Inc.
|
Nov 13, 2025 Q3 2025 |
241
shares
|
$22,020
0.0% of portfolio
|
Q3 2025
Reduced 13.62%
|
|
|
Private Wealth Asset Management, LLC
Cedar Rapids, IA |
Nov 03, 2025 Q3 2025 |
240
shares
|
$21,928
0.0% of portfolio
|
Q3 2025
Added 11.63%
|
|
|
Zions Bancorporation, N.A.
|
Feb 11, 2025 Q4 2024 |
229
shares
|
$20,923
0.0% of portfolio
|
Q3 2024
Reduced 8.76%
|
|
|
Tucker Asset Management LLC
Littleton, CO |
Feb 12, 2025 Q4 2024 |
227
shares
|
$20,740
0.0% of portfolio
|
Q4 2024
Added 26.11%
|
|
|
Bergan Kdv Wealth Management, LLC
|
Jul 24, 2023 Q2 2023 |
220
shares
|
$20,101
0.0% of portfolio
|
Q2 2023
Added 1.38%
|
|
|
Hantz Financial Services, Inc.
|
Nov 04, 2025 Q3 2025 |
215
shares
|
$19,644
0.0% of portfolio
|
Q3 2025
Added 465.79%
|
|
|
Chilton Capital Management LLC
Houston, TX |
Oct 31, 2025 Q3 2025 |
205
shares
|
$18,730
0.0% of portfolio
|
Q1 2023
New holding
|
|
|
Farmers & Merchants Investments Inc
|
Oct 17, 2025 Q3 2025 |
201
shares
|
$18,365
0.0% of portfolio
|
Q2 2025
Reduced 1.95%
|
|
|
Rise Advisors, LLC
|
Oct 08, 2025 Q3 2025 |
200
shares
|
$18,274
0.01% of portfolio
|
Q3 2025
Added 3.09%
|
|
|
Gw&K Investment Management, LLC
Boston, MA |
Nov 12, 2025 Q3 2025 |
189
shares
|
$17,268
0.0% of portfolio
|
Q3 2025
Added 5.59%
|
|
|
Coston, Mc Isaac & Partners
Bar Harbor, ME |
Nov 05, 2025 Q3 2025 |
189
shares
|
$17,268
0.0% of portfolio
|
Q3 2025
Added 0.53%
|
|
|
Sturgeon Ventures LLP
|
Oct 17, 2023 Q3 2023 |
185
shares
|
$16,903
0.01% of portfolio
|
Q2 2023
New holding
|
|
|
Northwest Investment Counselors, LLC
|
Oct 21, 2024 Q3 2024 |
184
shares
|
$16,812
0.01% of portfolio
|
Q3 2024
New holding
|
|
|
Covestor LTD
Boston, MA |
Oct 30, 2025 Q3 2025 |
179
shares
|
$16,355
0.01% of portfolio
|
Q3 2025
Reduced 19.37%
|
|
|
Sunbelt Securities, Inc.
Houston, TX |
Nov 19, 2025 Q3 2025 |
172
shares
|
$15,715
0.0% of portfolio
|
Q3 2025
Reduced 52.22%
|
|
|
Chesapeake Asset Management LLC
New York, NY |
Oct 17, 2025 Q3 2025 |
170
shares
|
$15,532
0.02% of portfolio
|
Q2 2025
New holding
|
|
|
Hemington Wealth Management
|
Oct 24, 2025 Q3 2025 |
163
shares
|
$14,893
0.0% of portfolio
|
Q2 2025
Reduced 0.61%
|
|
|
Provence Wealth Management Group
|
Feb 06, 2024 Q4 2023 |
160
shares
|
$14,619
0.01% of portfolio
|
Q4 2023
Added 0.63%
|
|
|
Atlantic Private Wealth, LLC
|
Nov 03, 2025 Q3 2025 |
150
shares
|
$13,705
0.01% of portfolio
|
Q3 2025
New holding
|
|