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 1,160 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 |
|---|---|---|---|---|---|
|
Polar Asset Management Partners Inc.
Toronto, A6 |
Dec 01, 2025 Q3 2025 |
20,919
shares
|
$1.91 Million
0.03% of portfolio
|
Q3 2025
Reduced 64.93%
|
|
|
Gables Capital Management Inc.
|
Nov 05, 2025 Q3 2025 |
20,792
shares
|
$1.9 Million
0.93% of portfolio
|
Q3 2025
Reduced 3.48%
|
|
|
Verdence Capital Advisors LLC
Hunt Valley, MD |
Oct 29, 2025 Q3 2025 |
20,732
shares
|
$1.89 Million
0.13% of portfolio
|
Q3 2025
Added 208.65%
|
|
|
Everence Capital Management Inc
|
Oct 01, 2025 Q3 2025 |
20,717
shares
|
$1.89 Million
0.13% of portfolio
|
Q3 2025
Added 16.45%
|
|
|
Lido Advisors, LLC
Los Angeles, CA |
Nov 14, 2025 Q3 2025 |
20,501
shares
|
$1.87 Million
0.01% of portfolio
|
Q3 2025
Added 10.96%
|
|
|
Cascade Investment Group, Inc.
Colorado Springs, CO |
Oct 29, 2025 Q3 2025 |
20,486
shares
|
$1.87 Million
1.38% of portfolio
|
Q3 2025
Reduced 2.04%
|
|
|
Inspire Trust Co, N.A.
Reno, NV |
Nov 10, 2025 Q3 2025 |
20,000
shares
|
$1.83 Million
0.37% of portfolio
|
Q3 2025
Added 17.65%
|
|
|
Merit Financial Group, LLC
|
Nov 07, 2025 Q3 2025 |
19,930
shares
|
$1.82 Million
0.02% of portfolio
|
Q3 2025
Added 0.55%
|
|
|
Corrado Advisors, LLC
Ramsey, NJ |
Nov 03, 2025 Q3 2025 |
19,746
shares
|
$1.8 Million
1.52% of portfolio
|
Q3 2025
Added 38.31%
|
|
|
Masterinvest Kapitalanlage Gmb H
Vienna, |
Oct 24, 2025 Q3 2025 |
19,717
shares
|
$1.8 Million
0.2% of portfolio
|
Q3 2025
Added 6.94%
|
|
|
Eagle Ridge Investment Management
|
Jan 27, 2025 Q4 2024 |
19,702
shares
|
$1.8 Million
0.18% of portfolio
|
Q3 2021
New holding
|
|
|
Park Avenue Securities LLC
|
Oct 23, 2025 Q3 2025 |
19,520
shares
|
$1.78 Million
0.02% of portfolio
|
Q3 2025
Reduced 4.57%
|
|
|
Horizon Kinetics Asset Management LLC
|
Nov 14, 2025 Q3 2025 |
19,455
shares
|
$1.78 Million
0.03% of portfolio
|
Q3 2025
Reduced 40.06%
|
|
|
Zacks Investment Management
Chicago, IL |
Nov 14, 2025 Q3 2025 |
19,412
shares
|
$1.77 Million
0.02% of portfolio
|
Q3 2025
Added 0.73%
|
|
|
Pensionfund Sabic
|
Jun 30, 2025 Q1 2025 |
19,300
shares
|
$1.76 Million
0.5% of portfolio
|
Q1 2025
Reduced 13.45%
|
|
|
Kentucky Trust CO
Danville, KY |
Oct 14, 2025 Q3 2025 |
19,270
shares
|
$1.76 Million
1.06% of portfolio
|
Q3 2025
Reduced 3.96%
|
|
|
Moody National Bank Trust Division
|
Oct 06, 2025 Q3 2025 |
18,942
shares
|
$1.73 Million
0.17% of portfolio
|
Q3 2025
Reduced 25.5%
|
|
|
Rfg Advisory, LLC
Birmingham, AL |
Nov 05, 2025 Q3 2025 |
18,761
shares
|
$1.71 Million
0.07% of portfolio
|
Q3 2025
Reduced 5.48%
|
|
|
Flputnam Investment Management CO
Portland, ME |
Oct 10, 2025 Q3 2025 |
18,746
shares
|
$1.71 Million
0.03% of portfolio
|
Q3 2025
Added 3.71%
|
|
|
Tyler Stone Wealth Management
Beachwood, OH |
Aug 18, 2025 Q2 2025 |
18,607
shares
|
$1.7 Million
0.33% of portfolio
|
Q2 2025
Added 1.0%
|
|
|
Spider Rock Advisors, LLC
|
Nov 01, 2024 Q3 2024 |
18,499
shares
|
$1.69 Million
0.04% of portfolio
|
Q3 2024
Reduced 13.36%
|
|
|
Kentucky Retirement Systems
Frankfort, KY |
Nov 13, 2025 Q3 2025 |
18,420
shares
|
$1.68 Million
0.05% of portfolio
|
Q3 2025
Reduced 1.25%
|
|
|
Double Line ETF Adviser LP
Tampa, FL |
Nov 14, 2025 Q3 2025 |
18,383
shares
|
$1.68 Million
0.56% of portfolio
|
Q3 2025
Added 5.59%
|
|
|
Inter Ocean Capital Group, LLC
Nashville, TN |
May 13, 2024 Q1 2024 |
18,360
shares
|
$1.68 Million
0.04% of portfolio
|
Q1 2024
Added 4.76%
|
|
|
Sterling Capital Management LLC
Charlotte, NC |
Nov 12, 2025 Q3 2025 |
18,140
shares
|
$1.66 Million
0.03% of portfolio
|
Q3 2025
Reduced 8.71%
|
|