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 1,121 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 $23.1 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Vanguard Group Inc
Valley Forge, PA |
May 09, 2025 Q1 2025 |
46,825,734
shares
|
$4.62 Billion
0.08% of portfolio
|
Q1 2025
Added 0.47%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
27,891,960
shares
|
$2.75 Billion
0.06% of portfolio
|
Q2 2024
Added 20.7%
|
|
|
State Street Corp
Boston, MA |
May 15, 2025 Q1 2025 |
16,705,119
shares
|
$1.65 Billion
0.06% of portfolio
|
Q1 2025
Added 0.5%
|
|
|
Cohen & Steers, Inc.
New York, NY |
May 15, 2025 Q1 2025 |
13,481,902
shares
|
$1.33 Billion
2.14% of portfolio
|
Q1 2025
Reduced 9.57%
|
|
|
Geode Capital Management, LLC
Boston, MA |
May 13, 2025 Q1 2025 |
8,283,383
shares
|
$818 Million
0.06% of portfolio
|
Q1 2025
Added 4.69%
|
|
|
Northern Trust Corp
Chicago, IL |
May 13, 2025 Q1 2025 |
4,267,324
shares
|
$421 Million
0.06% of portfolio
|
Q1 2025
Reduced 1.37%
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
May 13, 2025 Q1 2025 |
4,256,417
shares
|
$420 Million
0.09% of portfolio
|
Q1 2025
Added 0.88%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
May 09, 2025 Q1 2025 |
3,487,479
shares
|
$344 Million
0.06% of portfolio
|
Q1 2025
Added 0.25%
|
|
|
Morgan Stanley
New York, NY |
May 15, 2025 Q1 2025 |
3,389,039
shares
|
$335 Million
0.02% of portfolio
|
Q1 2025
Added 0.08%
|
|
|
Pictet Asset Management Sa
Geneva 73, V8 |
Aug 10, 2023 Q2 2023 |
3,369,780
shares
|
$333 Million
0.23% of portfolio
|
Q2 2023
Added 1.19%
|
|
|
Legal & General Group PLC
London, X0 |
May 15, 2025 Q1 2025 |
3,183,998
shares
|
$314 Million
0.08% of portfolio
|
Q4 2023
Reduced 32.38%
|
|
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
May 09, 2025 Q1 2025 |
3,144,827
shares
|
$311 Million
0.11% of portfolio
|
Q4 2024
Added 3.46%
|
|
|
Invesco Ltd.
Atlanta, GA |
May 12, 2025 Q1 2025 |
2,848,954
shares
|
$281 Million
0.05% of portfolio
|
Q1 2025
Added 14.75%
|
|
|
Daiwa Securities Group Inc.
Tokyo, M0 |
May 13, 2025 Q1 2025 |
2,752,467
shares
|
$272 Million
1.0% of portfolio
|
Q1 2025
Reduced 6.6%
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
2,548,970
shares
|
$252 Million
0.08% of portfolio
|
Q4 2024
Added 38.99%
|
|
|
Pictet Asset Management Holding Sa
Carouge, V8 |
May 05, 2025 Q1 2025 |
2,476,597
shares
|
$245 Million
0.25% of portfolio
|
Q1 2025
Added 6.34%
|
|
|
Nuveen, LLC
Charlotte, NC |
May 12, 2025 Q1 2025 |
2,234,200
shares
|
$221 Million
0.06% of portfolio
|
Q1 2025
New holding
|
|
|
Capital World Investors
Los Angeles, CA |
May 12, 2025 Q1 2025 |
2,117,169
shares
|
$209 Million
0.03% of portfolio
|
Q1 2025
Reduced 44.54%
|
|
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
Jul 21, 2025 Q1 2025 |
2,075,282
shares
|
$205 Million
0.45% of portfolio
|
Q1 2025
Added 72.85%
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
2,061,560
shares
|
$204 Million
0.01% of portfolio
|
Q1 2025
Added 17.8%
|
|
|
Centersquare Investment Management LLC
Plymouth Meeting, PA |
May 09, 2025 Q1 2025 |
2,008,437
shares
|
$198 Million
1.84% of portfolio
|
Q1 2025
Added 17.71%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Jun 26, 2025 Q1 2025 |
1,974,922
shares
|
$195 Million
0.03% of portfolio
|
Q1 2025
Added 86.1%
|
|
|
Russell Investments Group, Ltd.
|
May 13, 2025 Q1 2025 |
1,771,114
shares
|
$175 Million
0.22% of portfolio
|
Q1 2025
Reduced 4.56%
|
|
|
Ameriprise Financial Inc
Minneapolis, MN |
May 14, 2025 Q1 2025 |
1,554,684
shares
|
$154 Million
0.04% of portfolio
|
Q1 2025
Reduced 2.24%
|
|
|
Contour Asset Management LLC
New York, NY |
May 15, 2025 Q1 2025 |
1,427,250
shares
|
$141 Million
5.6% of portfolio
|
Q1 2025
New holding
|