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 |
|---|---|---|---|---|---|
|
Russell Investments Group, Ltd.
|
Nov 13, 2025 Q3 2025 |
1,706,435
shares
|
$156 Million
0.21% of portfolio
|
Q3 2025
Reduced 6.43%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
Nov 14, 2025 Q3 2025 |
1,706,032
shares
|
$156 Million
0.04% of portfolio
|
Q3 2025
Added 0.01%
|
|
|
Duff & Phelps Investment Management CO
Chicago, IL |
Nov 13, 2025 Q3 2025 |
1,642,074
shares
|
$150 Million
1.94% of portfolio
|
Q3 2025
Added 11.51%
|
|
|
Ubs Group Ag
|
Nov 13, 2025 Q3 2025 |
1,436,301
shares
|
$131 Million
0.02% of portfolio
|
Q3 2025
Reduced 20.22%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Nov 14, 2025 Q3 2025 |
1,354,097
shares
|
$124 Million
0.02% of portfolio
|
Q3 2025
Reduced 27.97%
|
|
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
Nov 14, 2025 Q3 2025 |
1,296,531
shares
|
$118 Million
0.26% of portfolio
|
Q3 2025
Added 27.82%
|
|
|
Cbre Investment Management Listed Real Assets LLC
Radnor, PA |
Nov 13, 2025 Q3 2025 |
1,269,467
shares
|
$116 Million
1.88% of portfolio
|
Q3 2025
Added 18.3%
|
|
|
Bank Of America Corp
Charlotte, NC |
Nov 14, 2025 Q3 2025 |
1,227,950
shares
|
$112 Million
0.01% of portfolio
|
Q3 2025
Reduced 1.72%
|
|
|
Deka Bank Deutsche Girozentrale
|
Nov 03, 2025 Q3 2025 |
1,122,500
shares
|
$103 Million
0.19% of portfolio
|
Q2 2025
Reduced 0.31%
|
|
|
Amundi
Paris, I0 |
Nov 14, 2025 Q3 2025 |
1,085,307
shares
|
$99.2 Million
0.04% of portfolio
|
Q3 2025
Reduced 32.2%
|
|
|
Vontobel Holding Ltd.
|
Oct 15, 2025 Q3 2025 |
1,078,487
shares
|
$98.5 Million
0.36% of portfolio
|
Q3 2025
New holding
|
|
|
Hsbc Holdings PLC
London, X0 |
Nov 13, 2025 Q3 2025 |
951,576
shares
|
$86.9 Million
0.06% of portfolio
|
Q3 2025
Added 21.33%
|
|
|
Sumitomo Mitsui Trust Holdings, Inc.
|
Oct 27, 2025 Q3 2025 |
934,752
shares
|
$85.4 Million
0.06% of portfolio
|
Q3 2025
Added 1.12%
|
|
|
Agf Investments Inc.
Toronto, A6 |
Nov 10, 2022 Q3 2022 |
902,471
shares
|
$82.5 Million
0.38% of portfolio
|
Q3 2022
Added 2454.26%
|
|
|
Sei Investments CO
Oaks, PA |
Nov 13, 2025 Q3 2025 |
872,870
shares
|
$79.8 Million
0.1% of portfolio
|
Q3 2025
Reduced 1.38%
|
|
|
Swiss National Bank
Zurich, V8 |
Nov 13, 2025 Q3 2025 |
850,561
shares
|
$77.7 Million
0.05% of portfolio
|
Q3 2025
Added 2.78%
|
|
|
Cibc Bancorp Usa Inc.
Chicago, IL |
Nov 12, 2025 Q3 2025 |
835,456
shares
|
$76.3 Million
0.11% of portfolio
|
Q3 2025
Reduced 85.83%
|
|
|
Mitsubishi Ufj Kokusai Asset Management Co., Ltd.
|
Nov 10, 2025 Q3 2025 |
802,312
shares
|
$73.3 Million
0.06% of portfolio
|
Q3 2025
Added 4.66%
|
|
|
Captrust Financial Advisors
Raleigh, NC |
Nov 19, 2025 Q3 2025 |
768,266
shares
|
$70.2 Million
0.17% of portfolio
|
Q3 2025
Reduced 0.12%
|
|
|
Barclays PLC
London, X0 |
Nov 12, 2025 Q3 2025 |
739,890
shares
|
$67.6 Million
0.01% of portfolio
|
Q3 2025
Added 36.09%
|
|
|
Cibc Private Wealth Group, LLC
|
Nov 21, 2025 Q3 2025 |
721,087
shares
|
$65.9 Million
0.13% of portfolio
|
Q3 2025
Reduced 2.14%
|
|
|
Lpl Financial LLC
Fort Mill, SC |
Nov 12, 2025 Q3 2025 |
709,400
shares
|
$64.8 Million
0.02% of portfolio
|
Q3 2025
Added 5.32%
|
|
|
Welch & Forbes LLC
|
Nov 03, 2025 Q3 2025 |
658,992
shares
|
$60.2 Million
0.82% of portfolio
|
Q3 2025
Reduced 1.49%
|
|
|
Epoch Investment Partners, Inc.
New York, NY |
Nov 13, 2025 Q3 2025 |
650,757
shares
|
$59.5 Million
0.38% of portfolio
|
Q3 2025
Reduced 4.81%
|
|
|
First Republic Investment Management, Inc.
San Francisco, CA |
Nov 07, 2023 Q3 2023 |
646,426
shares
|
$59.1 Million
0.11% of portfolio
|
Q3 2023
New holding
|
|