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 |
|---|---|---|---|---|---|
|
Aew Capital Management L P
|
May 14, 2025 Q1 2025 |
669,267
shares
|
$66.1 Million
2.88% of portfolio
|
Q1 2025
Reduced 1.42%
|
|
|
Rhumbline Advisers
Boston, MA |
May 29, 2025 Q1 2025 |
664,001
shares
|
$65.6 Million
0.05% of portfolio
|
Q4 2024
Reduced 4.04%
|
|
|
First Republic Investment Management, Inc.
San Francisco, CA |
Nov 07, 2023 Q3 2023 |
646,426
shares
|
$63.8 Million
0.11% of portfolio
|
Q3 2023
New holding
|
|
|
Barclays PLC
London, X0 |
May 15, 2025 Q1 2025 |
644,046
shares
|
$63.6 Million
0.02% of portfolio
|
Q1 2025
Added 58.86%
|
|
|
Lpl Financial LLC
Fort Mill, SC |
May 07, 2025 Q1 2025 |
630,809
shares
|
$62.3 Million
0.02% of portfolio
|
Q1 2025
Added 10.89%
|
|
|
Wells Fargo & Company
San Francisco, CA |
May 13, 2025 Q1 2025 |
608,065
shares
|
$60.1 Million
0.01% of portfolio
|
Q1 2025
Reduced 7.98%
|
|
|
Alliancebernstein L.P.
New York, NY |
May 15, 2025 Q1 2025 |
599,714
shares
|
$59.2 Million
0.02% of portfolio
|
Q1 2025
Added 7.89%
|
|
|
Apg Asset Management Us Inc.
New York, NY |
May 14, 2025 Q1 2025 |
582,174
shares
|
$57.5 Million
0.39% of portfolio
|
Q1 2025
Added 13.22%
|
|
|
Asset Management One Co., Ltd.
|
Apr 23, 2025 Q1 2025 |
555,014
shares
|
$54.8 Million
0.17% of portfolio
|
Q1 2025
Reduced 1.34%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
May 15, 2025 Q1 2025 |
553,548
shares
|
$54.7 Million
0.08% of portfolio
|
Q1 2025
Added 50.97%
|
|
|
Heitman Real Estate Securities LLC
Chicago, IL |
May 15, 2025 Q1 2025 |
540,037
shares
|
$53.3 Million
3.04% of portfolio
|
Q1 2025
Added 256.03%
|
|
|
Credit Suisse Ag
Zurich, V8 |
May 10, 2024 Q1 2024 |
505,639
shares
|
$49.9 Million
0.04% of portfolio
|
Q1 2024
Reduced 5.24%
|
|
|
Nomura Asset Management CO LTD
Tokyo, M0 |
May 12, 2025 Q1 2025 |
498,109
shares
|
$49.2 Million
0.13% of portfolio
|
Q1 2025
Added 4.96%
|
|
|
Royal Bank Of Canada
Toronto, A6 |
May 15, 2025 Q1 2025 |
497,929
shares
|
$49.2 Million
0.01% of portfolio
|
Q1 2025
Reduced 0.54%
|
|
|
California Public Employees Retirement System
Sacramento, CA |
May 13, 2025 Q1 2025 |
479,201
shares
|
$47.3 Million
0.03% of portfolio
|
Q1 2025
Reduced 3.48%
|
|
|
American Century Companies Inc
Kansas City, MO |
May 13, 2025 Q1 2025 |
479,116
shares
|
$47.3 Million
0.03% of portfolio
|
Q1 2025
Reduced 23.39%
|
|
|
National Pension Service
Jeonju Si, Jeollabuk Do, M5 |
May 12, 2025 Q1 2025 |
472,921
shares
|
$46.7 Million
0.04% of portfolio
|
Q1 2025
Added 17.4%
|
|
|
Intech Investment Management LLC
West Palm Beach, FL |
May 20, 2025 Q1 2025 |
448,761
shares
|
$44.3 Million
0.41% of portfolio
|
Q1 2025
Added 6.8%
|
|
|
Great West Life Assurance CO
Winnipeg, A2 |
May 15, 2025 Q1 2025 |
443,469
shares
|
$43.8 Million
0.07% of portfolio
|
Q1 2025
Added 1.85%
|
|
|
California State Teachers Retirement System
West Sacramento, CA |
May 15, 2025 Q1 2025 |
430,924
shares
|
$42.6 Million
0.05% of portfolio
|
Q1 2025
Reduced 0.82%
|
|
|
Rockefeller Capital Management L.P.
New York, NY |
May 14, 2025 Q1 2025 |
427,565
shares
|
$42.2 Million
0.1% of portfolio
|
Q1 2025
Added 36.66%
|
|
|
Ubs Asset Management Americas Inc
Chicago, IL |
May 19, 2025 Q1 2025 |
422,423
shares
|
$41.7 Million
0.01% of portfolio
|
Q1 2025
Reduced 0.89%
|
|
|
Bank Of Montreal
Toronto, A6 |
May 13, 2025 Q1 2025 |
418,536
shares
|
$41.3 Million
0.02% of portfolio
|
Q1 2025
Reduced 33.64%
|
|
|
Adelante Capital Management LLC
Alameda, CA |
May 15, 2025 Q1 2025 |
390,346
shares
|
$38.6 Million
0.6% of portfolio
|
Q1 2025
Reduced 12.46%
|
|
|
Raymond James Financial Inc
St. Petersburg, FL |
May 13, 2025 Q1 2025 |
387,280
shares
|
$38.3 Million
0.01% of portfolio
|
Q1 2025
Reduced 26.35%
|