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 |
|---|---|---|---|---|---|
|
Abrdn PLC
|
Nov 06, 2025 Q3 2025 |
382,634
shares
|
$35 Million
0.06% of portfolio
|
Q3 2025
Added 12.65%
|
|
|
Raymond James Financial Inc
St. Petersburg, FL |
Nov 14, 2025 Q3 2025 |
380,348
shares
|
$34.8 Million
0.01% of portfolio
|
Q3 2025
Reduced 3.21%
|
|
|
Avalon Investment & Advisory
Houston, TX |
May 15, 2023 Q1 2023 |
351,747
shares
|
$32.1 Million
0.52% of portfolio
|
Q1 2023
Reduced 1.9%
|
|
|
Raymond James & Associates
St Petersburg, FL |
Oct 18, 2024 Q3 2024 |
348,747
shares
|
$31.9 Million
0.03% of portfolio
|
Q3 2024
Reduced 1.51%
|
|
|
Adell Harriman & Carpenter Inc
|
Nov 04, 2025 Q3 2025 |
326,315
shares
|
$29.8 Million
2.02% of portfolio
|
Q3 2025
Added 0.62%
|
|
|
Marble Harbor Investment Counsel, LLC
Boston, MA |
Nov 07, 2025 Q3 2025 |
325,260
shares
|
$29.7 Million
3.61% of portfolio
|
Q3 2025
Reduced 1.07%
|
|
|
Blair William & CO
Chicago, IL |
Nov 12, 2025 Q3 2025 |
318,410
shares
|
$29.1 Million
0.09% of portfolio
|
Q3 2025
Added 1.36%
|
|
|
Aew Capital Management L P
|
Nov 10, 2025 Q3 2025 |
315,257
shares
|
$28.8 Million
1.84% of portfolio
|
Q3 2025
Reduced 49.13%
|
|
|
Gillson Capital LP
Chicago, IL |
Nov 14, 2025 Q3 2025 |
286,900
shares
|
$26.2 Million
2.54% of portfolio
|
Q3 2025
Reduced 22.28%
|
|
|
Macquarie Group LTD
Australia, C3 |
Nov 13, 2025 Q3 2025 |
286,584
shares
|
$26.2 Million
0.03% of portfolio
|
Q3 2025
Reduced 0.83%
|
|
|
Swedbank Ab
Stockholm, V7 |
Oct 15, 2025 Q3 2025 |
284,858
shares
|
$26 Million
0.03% of portfolio
|
Q3 2025
Reduced 9.59%
|
|
|
State Board Of Administration Of Florida Retirement System
|
Nov 14, 2025 Q3 2025 |
270,757
shares
|
$24.7 Million
0.05% of portfolio
|
Q3 2025
Reduced 8.52%
|
|
|
Strs Ohio
|
Oct 30, 2025 Q3 2025 |
257,515
shares
|
$23.5 Million
0.1% of portfolio
|
Q3 2025
Added 14.65%
|
|
|
Cetera Investment Advisers
Schaumburg, IL |
Nov 14, 2025 Q3 2025 |
254,352
shares
|
$23.2 Million
0.03% of portfolio
|
Q3 2025
Added 50.1%
|
|
|
Regions Financial Corp
|
Nov 19, 2025 Q3 2025 |
251,781
shares
|
$23 Million
0.17% of portfolio
|
Q3 2025
Added 1.41%
|
|
|
Wellington Management Group LLP
Boston, MA |
Nov 14, 2025 Q3 2025 |
248,892
shares
|
$22.7 Million
0.0% of portfolio
|
Q3 2025
Reduced 83.34%
|
|
|
Aviva PLC
|
Nov 13, 2025 Q3 2025 |
242,449
shares
|
$22.2 Million
0.05% of portfolio
|
Q3 2025
Added 6.23%
|
|
|
Pacer Advisors, Inc.
Malvern, PA |
Oct 15, 2025 Q3 2025 |
231,235
shares
|
$21.1 Million
0.07% of portfolio
|
Q3 2025
Added 4.97%
|
|
|
Retirement Systems Of Alabama
|
Oct 31, 2025 Q3 2025 |
230,939
shares
|
$21.1 Million
0.08% of portfolio
|
Q3 2025
Reduced 0.13%
|
|
|
Worldquant Millennium Advisors LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
230,912
shares
|
$21.1 Million
0.11% of portfolio
|
Q3 2025
Reduced 13.89%
|
|
|
New York State Teachers Retirement System
|
Oct 24, 2025 Q3 2025 |
227,870
shares
|
$20.8 Million
0.05% of portfolio
|
Q3 2025
Reduced 0.02%
|
|
|
Victory Capital Management Inc
|
Nov 12, 2025 Q3 2025 |
222,934
shares
|
$20.4 Million
0.01% of portfolio
|
Q3 2025
Reduced 3.89%
|
|
|
Stifel Financial Corp
St. Louis, MO |
Nov 12, 2025 Q3 2025 |
218,137
shares
|
$19.9 Million
0.02% of portfolio
|
Q3 2025
Added 1.35%
|
|
|
Andra Ap Fonden
Goteborg, V7 |
Nov 12, 2025 Q3 2025 |
215,700
shares
|
$19.7 Million
0.3% of portfolio
|
Q3 2025
Reduced 12.28%
|
|
|
Canada Pension Plan Investment Board
Toronto Ontario, A6 |
Nov 13, 2025 Q3 2025 |
210,283
shares
|
$19.2 Million
0.02% of portfolio
|
Q3 2025
Added 94.79%
|
|