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 1,119 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 |
|---|---|---|---|---|---|
|
Salem Investment Counselors Inc
Winston Salem, NC |
Jul 08, 2025 Q2 2025 |
77,234
shares
|
$7.63 Million
0.26% of portfolio
|
Q2 2025
Reduced 0.04%
|
|
|
Banco Santander, S.A.
|
May 09, 2025 Q1 2025 |
77,016
shares
|
$7.6 Million
0.08% of portfolio
|
Q1 2025
New holding
|
|
|
B&I Capital Ag
|
May 06, 2025 Q1 2025 |
76,660
shares
|
$7.57 Million
2.18% of portfolio
|
Q1 2025
New holding
|
|
|
Wealthfront Advisers LLC
|
May 02, 2025 Q1 2025 |
75,781
shares
|
$7.48 Million
0.02% of portfolio
|
Q1 2025
Added 4.68%
|
|
|
Bowen Hanes & CO Inc
Atlanta, GA |
May 14, 2025 Q1 2025 |
75,000
shares
|
$7.4 Million
0.18% of portfolio
|
Q1 2025
New holding
|
|
|
Nomura Holdings Inc
Tokyo, M0 |
May 15, 2025 Q1 2025 |
74,514
shares
|
$7.36 Million
0.01% of portfolio
|
Q1 2025
Added 70.38%
|
|
|
Avantax Advisory Services, Inc.
|
May 06, 2025 Q1 2025 |
73,896
shares
|
$7.3 Million
0.04% of portfolio
|
Q1 2025
Added 3.17%
|
|
|
Asr Vermogensbeheer N.V.
Utrecht, P7 |
Jul 21, 2025 Q2 2025 |
73,681
shares
|
$7.27 Million
0.1% of portfolio
|
Q2 2025
Reduced 18.68%
|
|
|
Czech National Bank
Prague, 2N |
Jul 09, 2025 Q2 2025 |
72,119
shares
|
$7.12 Million
0.06% of portfolio
|
Q2 2025
Added 6.9%
|
|
|
Kempen Capital Management N.V.
Amsterdam, P7 |
May 14, 2025 Q1 2025 |
70,641
shares
|
$6.97 Million
0.07% of portfolio
|
Q1 2025
New holding
|
|
|
Candriam S.C.A.
|
May 14, 2025 Q1 2025 |
70,017
shares
|
$6.91 Million
0.04% of portfolio
|
Q1 2025
Reduced 9.18%
|
|
|
Verition Fund Management LLC
Greenwich, CT |
May 15, 2025 Q1 2025 |
69,571
shares
|
$6.87 Million
0.03% of portfolio
|
Q1 2025
Added 58.33%
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
May 14, 2025 Q1 2025 |
67,814
shares
|
$6.7 Million
0.0% of portfolio
|
Q1 2025
Reduced 59.9%
|
|
|
Kbc Group Nv
|
Apr 25, 2025 Q1 2025 |
67,353
shares
|
$6.65 Million
0.02% of portfolio
|
Q1 2025
Reduced 83.26%
|
|
|
Knights Of Columbus Asset Advisors LLC
New Haven, CT |
Jul 22, 2025 Q2 2025 |
66,621
shares
|
$6.58 Million
0.43% of portfolio
|
Q2 2025
Reduced 37.61%
|
|
|
Healthcare Of Ontario Pension Plan Trust Fund
Toronto, A6 |
May 14, 2025 Q1 2025 |
66,002
shares
|
$6.52 Million
0.01% of portfolio
|
Q1 2025
Added 5.6%
|
|
|
Squarepoint Ops LLC
New York, NY |
May 15, 2025 Q1 2025 |
65,714
shares
|
$6.49 Million
0.01% of portfolio
|
Q1 2025
Added 87.5%
|
|
|
Joel Greenblatt
Gotham Asset Management, LLC | New York, Ny
|
May 15, 2025 Q1 2025 |
65,684
shares
|
$6.48 Million
0.05% of portfolio
|
Q1 2025
Reduced 24.11%
|
|
|
Allworth Financial LP
|
Apr 30, 2025 Q1 2025 |
65,378
shares
|
$6.45 Million
0.03% of portfolio
|
Q1 2025
Added 1.6%
|
|
|
Aqr Capital Management LLC
Greenwich, CT |
May 15, 2025 Q1 2025 |
65,165
shares
|
$6.43 Million
0.01% of portfolio
|
Q1 2025
Reduced 68.04%
|
|
|
Nia Impact Advisors, LLC
|
May 15, 2025 Q1 2025 |
64,076
shares
|
$6.33 Million
2.24% of portfolio
|
Q1 2025
Reduced 7.45%
|
|
|
American Trust Investment Advisors, LLC
|
May 15, 2025 Q1 2025 |
63,514
shares
|
$6.27 Million
2.51% of portfolio
|
Q1 2025
Reduced 6.35%
|
|
|
Nordea Investment Management Ab
Stockholm, V7 |
May 14, 2025 Q1 2025 |
63,114
shares
|
$6.23 Million
0.01% of portfolio
|
Q1 2025
Added 125.72%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
May 15, 2025 Q1 2025 |
62,700
shares
|
$6.19 Million
0.01% of portfolio
|
Q1 2025
Added 714.29%
|
|
|
Advisors Asset Management, Inc.
Monument, CO |
May 15, 2025 Q1 2025 |
62,318
shares
|
$6.15 Million
0.11% of portfolio
|
Q1 2025
Reduced 5.23%
|