Latest Institutional Purchases of Iron Mountain Inc (IRM)
This list provides information on the latest institutional transactions involving Iron Mountain Inc (IRM) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Ubs Asset Management Americas Inc
Chicago, IL |
BUY
|
- |
2.71M+ 597.88% |
$242M - $283M
|
3.16M
$289M
|
|
|
Nov 14, 2025
Q3 2025
|
Cohen & Steers, Inc.
New York, NY |
BUY
|
- |
1.98M+ 14.38% |
$177M - $207M
|
15.7M
$1.44B
|
|
|
Oct 15, 2025
Q3 2025
|
Vontobel Holding Ltd.
|
BUY
|
- |
1.08MNew |
$96.5M - $113M
|
1.08M
$98.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Contour Asset Management LLC
New York, NY |
BUY
|
- |
830K+ 35.56% |
$74.3M - $86.8M
|
3.17M
$289M
|
|
|
Nov 13, 2025
Q3 2025
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
777K+ 18.11% |
$69.5M - $81.2M
|
5.07M
$463M
|
|
|
Nov 10, 2025
Q3 2025
|
Centersquare Investment Management LLC
Plymouth Meeting, PA |
BUY
|
- |
484K+ 23.81% |
$43.3M - $50.5M
|
2.51M
$230M
|
|
|
Nov 14, 2025
Q3 2025
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
351K+ 331.54% |
$31.4M - $36.7M
|
457K
$41.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Bamco Inc
New York, NY |
BUY
|
- |
329K+ 306.26% |
$29.5M - $34.4M
|
437K
$39.9M
|
|
|
Nov 14, 2025
Q3 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
322K+ 1.92% |
$28.8M - $33.7M
|
17.1M
$1.57B
|
|
|
Nov 14, 2025
Q3 2025
|
Steven Cohen
Point72 Asset Management, L.P. | Stamford, Ct
|
BUY
|
- |
282K+ 27.82% |
$25.2M - $29.5M
|
1.3M
$118M
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
BUY
|
- |
215K+ 105.33% |
$19.3M - $22.5M
|
420K
$38.4M
|
|
|
Nov 13, 2025
Q3 2025
|
Cbre Investment Management Listed Real Assets LLC
Radnor, PA |
BUY
|
- |
196K+ 18.3% |
$17.6M - $20.5M
|
1.27M
$116M
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
BUY
|
- |
196K+ 36.09% |
$17.6M - $20.5M
|
740K
$67.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Daiwa Securities Group Inc.
Tokyo, M0 |
BUY
|
- |
196K+ 6.64% |
$17.5M - $20.5M
|
3.15M
$288M
|
|
|
Nov 07, 2025
Q3 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
188K+ 0.4% |
$16.8M - $19.7M
|
47.3M
$4.32B
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
PUT |
177KNew |
$15.8M - $18.4M
|
177K
$16.1M
|
|
|
Nov 13, 2025
Q3 2025
|
Duff & Phelps Investment Management CO
Chicago, IL |
BUY
|
- |
169K+ 11.51% |
$15.2M - $17.7M
|
1.64M
$150M
|
|
|
Nov 13, 2025
Q3 2025
|
Prudential Financial Inc
Newark, NJ |
BUY
|
- |
168K+ 8.63% |
$15M - $17.5M
|
2.11M
$193M
|
|
|
Nov 13, 2025
Q3 2025
|
Hsbc Holdings PLC
London, X0 |
BUY
|
- |
167K+ 21.33% |
$15M - $17.5M
|
952K
$86.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main
Frankfurt Am Main, 2M |
BUY
|
- |
137K+ 36.31% |
$12.3M - $14.3M
|
515K
$47.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Axa Investment Managers S.A.
Puteaux, I0 |
BUY
|
- |
113KNew |
$10.1M - $11.8M
|
113K
$10.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
105K+ 2.99% |
$9.39M - $11M
|
3.61M
$330M
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
104K+ 1.28% |
$9.29M - $10.8M
|
8.19M
$748M
|
|
|
Nov 13, 2025
Q3 2025
|
Canada Pension Plan Investment Board
Toronto Ontario, A6 |
BUY
|
- |
102K+ 94.79% |
$9.15M - $10.7M
|
210K
$19.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Summit Partners Public Asset Management, LLC
Boston, MA |
BUY
|
CALL |
100KNew |
$8.95M - $10.4M
|
100K
$9.14M
|
|
|
Nov 12, 2025
Q3 2025
|
First Trust Advisors LP
Wheaton, IL |
BUY
|
- |
92.1K+ 159.67% |
$8.24M - $9.62M
|
150K
$13.7M
|
|
|
Nov 12, 2025
Q3 2025
|
Nuveen, LLC
Charlotte, NC |
BUY
|
- |
87.7K+ 4.27% |
$7.85M - $9.16M
|
2.14M
$196M
|
|
|
Nov 14, 2025
Q3 2025
|
Summit Partners Public Asset Management, LLC
Boston, MA |
BUY
|
- |
85KNew |
$7.6M - $8.88M
|
85K
$7.77M
|
|
|
Nov 14, 2025
Q3 2025
|
Cetera Investment Advisers
Schaumburg, IL |
BUY
|
- |
84.9K+ 50.1% |
$7.6M - $8.87M
|
254K
$23.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Tcw Group Inc
|
BUY
|
- |
81KNew |
$7.25M - $8.46M
|
81K
$7.4M
|
|
|
Nov 13, 2025
Q3 2025
|
Hudson Bay Capital Management LP
Greenwich, CT |
BUY
|
- |
74.5K+ 1220.51% |
$6.67M - $7.79M
|
80.7K
$7.37M
|
|
|
Nov 14, 2025
Q3 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
- |
62.4K+ 786.43% |
$5.58M - $6.52M
|
70.3K
$6.43M
|
|
|
Nov 13, 2025
Q3 2025
|
Acadian Asset Management LLC
Boston, MA |
BUY
|
- |
60.4K+ 3006.82% |
$5.4M - $6.31M
|
62.4K
$5.7M
|
|
|
Oct 15, 2025
Q3 2025
|
Brookstone Capital Management
|
BUY
|
- |
59.4K+ 40.11% |
$5.31M - $6.2M
|
207K
$19M
|
|
|
Nov 12, 2025
Q3 2025
|
Dimensional Fund Advisors LP
Austin, TX |
BUY
|
- |
55.3K+ 1.29% |
$4.94M - $5.77M
|
4.35M
$397M
|
|
|
Nov 12, 2025
Q3 2025
|
Neuberger Berman Group LLC
New York, NY |
BUY
|
- |
51.6K+ 14.16% |
$4.62M - $5.39M
|
416K
$38M
|
|
|
Nov 14, 2025
Q3 2025
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
PUT |
50KNew |
$4.47M - $5.22M
|
50K
$4.57M
|
|
|
Nov 10, 2025
Q3 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
48.4K+ 1.34% |
$4.33M - $5.06M
|
3.67M
$336M
|
|
|
Nov 07, 2025
Q3 2025
|
Neos Investment Management LLC
Westport, CT |
BUY
|
- |
43.8K+ 112.18% |
$3.92M - $4.58M
|
82.9K
$7.57M
|
|
|
Nov 06, 2025
Q3 2025
|
Abrdn PLC
|
BUY
|
- |
43K+ 12.65% |
$3.84M - $4.49M
|
383K
$35M
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of Nova Scotia
|
BUY
|
- |
40.7K+ 96.43% |
$3.64M - $4.25M
|
82.9K
$7.57M
|
|
|
Oct 23, 2025
Q3 2025
|
Nisa Investment Advisors, LLC
|
BUY
|
- |
40.3K+ 47.57% |
$3.61M - $4.21M
|
125K
$11.4M
|
|
|
Nov 06, 2025
Q3 2025
|
Cibc World Market Inc.
Toronto, A6 |
BUY
|
- |
36.9K+ 27.18% |
$3.3M - $3.85M
|
172K
$15.8M
|
|
|
Nov 12, 2025
Q3 2025
|
Lpl Financial LLC
Fort Mill, SC |
BUY
|
- |
35.8K+ 5.32% |
$3.2M - $3.74M
|
709K
$64.8M
|
|
|
Nov 10, 2025
Q3 2025
|
Mitsubishi Ufj Kokusai Asset Management Co., Ltd.
|
BUY
|
- |
35.7K+ 4.66% |
$3.2M - $3.73M
|
802K
$73.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
BUY
|
- |
35.5K+ 29.77% |
$3.17M - $3.71M
|
155K
$14.1M
|
|
|
Oct 31, 2025
Q3 2025
|
Intact Investment Management Inc.
Montreal, A8 |
BUY
|
- |
35.2KNew |
$3.15M - $3.68M
|
35.2K
$3.22M
|
|
|
Oct 30, 2025
Q3 2025
|
Strs Ohio
|
BUY
|
- |
32.9K+ 14.65% |
$2.94M - $3.44M
|
258K
$23.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Quantinno Capital Management LP
New York, NY |
BUY
|
- |
31.8K+ 35.98% |
$2.85M - $3.33M
|
120K
$11M
|
|
|
Nov 13, 2025
Q3 2025
|
Bank Of Montreal
Toronto, A6 |
BUY
|
- |
31.7K+ 8.66% |
$2.84M - $3.32M
|
398K
$36.4M
|
|