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 |
|---|---|---|---|---|---|
|
Susquehanna Fundamental Investments, LLC
Bala Cynwyd, PA |
Nov 14, 2025 Q3 2025 |
6,739
shares
|
$615,742
0.03% of portfolio
|
Q2 2025
Reduced 76.11%
|
|
|
U.S. Capital Wealth Advisors, LLC
Austin, TX |
Oct 09, 2025 Q3 2025 |
6,682
shares
|
$610,534
0.02% of portfolio
|
Q3 2025
Reduced 2.62%
|
|
|
Quadrant Capital Group LLC
Cincinnati, OH |
Nov 13, 2025 Q3 2025 |
6,604
shares
|
$603,407
0.02% of portfolio
|
Q3 2025
Reduced 0.12%
|
|
|
Twin Tree Management, LP
Dallas, TX |
Nov 13, 2025 Q3 2025 |
6,576
shares
|
$600,849
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Dfpg Investments, LLC
|
Jan 09, 2024 Q4 2023 |
6,572
shares
|
$600,483
0.04% of portfolio
|
Q4 2023
Reduced 0.24%
|
|
|
Symphony Financial, Ltd. Co.
|
Oct 31, 2025 Q3 2025 |
6,532
shares
|
$596,828
0.08% of portfolio
|
Q3 2025
Reduced 12.46%
|
|
|
Equitable Holdings, Inc.
New York, NY |
Nov 14, 2025 Q3 2025 |
6,505
shares
|
$594,361
0.01% of portfolio
|
Q3 2025
Reduced 12.36%
|
|
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
Nov 14, 2025 Q3 2025 |
6,500
shares
|
$593,905
0.0% of portfolio
|
Q3 2025
Reduced 81.99%
|
|
|
Gamma Investing LLC
Foster City, CA |
Oct 02, 2025 Q3 2025 |
6,497
shares
|
$593,630
0.04% of portfolio
|
Q3 2025
Added 18.64%
|
|
|
Farther Finance Advisors, LLC
San Francisco, CA |
Oct 14, 2025 Q3 2025 |
6,470
shares
|
$591,163
0.01% of portfolio
|
Q3 2025
Added 20.22%
|
|
|
Golden State Equity Partners
South Coast Metro, CA |
Oct 21, 2025 Q3 2025 |
6,435
shares
|
$587,965
0.12% of portfolio
|
Q3 2025
Added 1.4%
|
|
|
Caption Management, LLC
Oklahoma City, OK |
Nov 14, 2025 Q3 2025 |
6,400
shares
|
$584,768
0.01% of portfolio
|
Q3 2025
New holding
|
|
|
Columbia Asset Management
Ann Arbor, MI |
Nov 04, 2025 Q3 2025 |
6,392
shares
|
$584,037
0.12% of portfolio
|
Q1 2025
Reduced 29.66%
|
|
|
Gerber Kawasaki Wealth & Investment Management
|
Nov 12, 2025 Q3 2025 |
6,332
shares
|
$578,554
0.02% of portfolio
|
Q3 2025
Added 0.78%
|
|
|
Campbell & CO Investment Adviser LLC
Baltimore, MD |
Oct 28, 2025 Q3 2025 |
6,320
shares
|
$577,458
0.05% of portfolio
|
Q3 2025
Added 19.31%
|
|
|
Ossiam
Paris, I0 |
Nov 14, 2025 Q3 2025 |
6,307
shares
|
$576,270
0.01% of portfolio
|
Q3 2025
Reduced 58.7%
|
|
|
Raymond James Trust N.A.
|
Nov 12, 2024 Q3 2024 |
6,293
shares
|
$574,991
0.02% of portfolio
|
Q3 2024
Reduced 4.2%
|
|
|
Monument Capital Management
|
Oct 14, 2025 Q3 2025 |
6,239
shares
|
$570,057
0.16% of portfolio
|
Q3 2025
Reduced 4.81%
|
|
|
Callan Family Office, LLC
Radnor, PA |
Nov 04, 2025 Q3 2025 |
6,066
shares
|
$554,250
0.02% of portfolio
|
Q3 2025
Reduced 19.92%
|
|
|
Jackson Square Capital, LLC
|
Oct 09, 2025 Q3 2025 |
5,999
shares
|
$548,128
0.15% of portfolio
|
Q3 2025
New holding
|
|
|
Prospera Financial Services Inc
|
Nov 06, 2025 Q3 2025 |
5,920
shares
|
$540,910
0.01% of portfolio
|
Q3 2025
Added 31.79%
|
|
|
Wolverine Trading, LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
5,919
shares
|
$540,819
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Sheets Smith Wealth Management
|
Oct 16, 2025 Q3 2025 |
5,910
shares
|
$539,996
0.07% of portfolio
|
Q2 2025
Reduced 0.51%
|
|
|
Ellevest, Inc.
|
Nov 14, 2025 Q3 2025 |
5,837
shares
|
$533,326
0.09% of portfolio
|
Q3 2025
Reduced 10.42%
|
|
|
Pinnacle Family Advisors, LLC
Springfield, MO |
Nov 14, 2025 Q3 2025 |
5,826
shares
|
$532,321
0.3% of portfolio
|
Q3 2025
Added 4.02%
|
|