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
|
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
|
|
|
Nov 13, 2025
Q3 2025
|
Prudential PLC
London, England, X0 |
BUY
|
- |
31.4K+ 68.05% |
$2.81M - $3.28M
|
77.6K
$7.09M
|
|
|
Oct 31, 2025
Q3 2025
|
La Banque Postale Asset Management Sa
Paris, I0 |
BUY
|
- |
30.8K+ 26.94% |
$2.76M - $3.22M
|
145K
$13.3M
|
|
|
Nov 13, 2025
Q3 2025
|
Fieldview Capital Management, LLC
Niles, MI |
BUY
|
- |
30.3KNew |
$2.71M - $3.17M
|
30.3K
$2.77M
|
|
|
Nov 14, 2025
Q3 2025
|
Rockefeller Capital Management L.P.
New York, NY |
BUY
|
- |
28.6K+ 7.54% |
$2.56M - $2.98M
|
407K
$37.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Natixis
Paris, I0 |
BUY
|
- |
28.6K+ 231.13% |
$2.56M - $2.98M
|
40.9K
$3.74M
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
CALL |
27KNew |
$2.42M - $2.82M
|
27K
$2.47M
|
|
|
Nov 13, 2025
Q3 2025
|
Twin Tree Management, LP
Dallas, TX |
BUY
|
PUT |
24.4K+ 30.39% |
$2.18M - $2.55M
|
105K
$9.57M
|
|
|
Nov 04, 2025
Q3 2025
|
B&I Capital Ag
|
BUY
|
- |
24.3K+ 30.91% |
$2.18M - $2.54M
|
103K
$9.41M
|
|
|
Nov 13, 2025
Q3 2025
|
Swiss National Bank
Zurich, V8 |
BUY
|
- |
23K+ 2.78% |
$2.06M - $2.4M
|
851K
$77.7M
|
|
|
Oct 24, 2025
Q3 2025
|
Tema Etfs LLC
New York, NY |
BUY
|
- |
22.4KNew |
$2M - $2.34M
|
22.4K
$2.05M
|
|
|
Nov 12, 2025
Q3 2025
|
Thompson Siegel & Walmsley LLC
|
BUY
|
- |
20.2K+ 30.51% |
$1.81M - $2.11M
|
86.4K
$7.89M
|
|
|
Oct 21, 2025
Q3 2025
|
Tectonic Advisors LLC
Plano, TX |
BUY
|
- |
20K+ 15.58% |
$1.79M - $2.09M
|
148K
$13.6M
|
|
|
Oct 30, 2025
Q3 2025
|
Universal Beteiligungs Und Servicegesellschaft Mb H
Frankfurt Am Main, 2M |
BUY
|
- |
19.5K+ 4.09% |
$1.75M - $2.04M
|
498K
$45.5M
|
|
|
Nov 14, 2025
Q3 2025
|
California Public Employees Retirement System
Sacramento, CA |
BUY
|
- |
19.5K+ 3.95% |
$1.75M - $2.04M
|
513K
$46.9M
|
|
|
Nov 03, 2025
Q3 2025
|
National Pension Service
Jeonju Si, Jeollabuk Do, M5 |
BUY
|
- |
19.3K+ 4.06% |
$1.73M - $2.02M
|
495K
$45.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
PUT |
18.5KNew |
$1.66M - $1.93M
|
18.5K
$1.69M
|
|
|
Nov 13, 2025
Q3 2025
|
Vestcor Inc
Fredericton, A3 |
BUY
|
- |
16.3K+ 47.78% |
$1.46M - $1.71M
|
50.6K
$4.62M
|
|
|
Oct 27, 2025
Q3 2025
|
Oversea Chinese Banking Corp LTD
Great Eastern Centre, U0 |
BUY
|
- |
15.2K+ 17.16% |
$1.36M - $1.59M
|
104K
$9.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Nomura Holdings Inc
Tokyo, M0 |
BUY
|
- |
15KNew |
$1.34M - $1.56M
|
15K
$1.37M
|
|
|
Nov 04, 2025
Q3 2025
|
Imc Chicago, LLC
|
BUY
|
- |
14.6KNew |
$1.31M - $1.53M
|
14.6K
$1.34M
|
|
|
Nov 13, 2025
Q3 2025
|
Aviva PLC
|
BUY
|
- |
14.2K+ 6.23% |
$1.27M - $1.48M
|
242K
$22.2M
|
|
|
Nov 04, 2025
Q3 2025
|
Agf Management LTD
Toronto Ontario Canada, A6 |
BUY
|
- |
14.2K+ 178.01% |
$1.27M - $1.48M
|
22.2K
$2.03M
|
|
|
Nov 13, 2025
Q3 2025
|
Franklin Resources Inc
San Mateo, CA |
BUY
|
- |
14.1K+ 9.45% |
$1.26M - $1.47M
|
163K
$14.9M
|
|
|
Nov 13, 2025
Q3 2025
|
Kestra Advisory Services, LLC
|
BUY
|
- |
14.1K+ 15.85% |
$1.26M - $1.47M
|
103K
$9.41M
|
|