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Iron Mountain
IRM

Overview Fund Activity

1,025 hedge funds and large institutions have $25.5B invested in Iron Mountain in 2025 Q2 according to their latest regulatory filings, with 118 funds opening new positions, 387 increasing their positions, 351 reducing their positions, and 61 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,025
Holders Change
+43
Holders Change %
+4.38%
% of All Funds
13.75%
Holding in Top 10
16
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+60%
% of All Funds
0.21%
New
118
Increased
387
Reduced
351
Closed
61
Calls
$102M
Puts
$179M
Net Calls
-$77.2M
Net Calls Change
-$30.7M

Top Buyers

1
Principal Financial Group
Principal Financial Group
Iowa
$265M
2
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
$210M
3
Invesco
Invesco
Georgia
$440M
4
Fidelity Investments
Fidelity Investments
Massachusetts
$687M
5
CAM
Contour Asset Management
New York
$240M

Top Sellers

1
BlackRock
BlackRock
New York
$3.21B
2
Citadel Advisors
Citadel Advisors
Florida
$14.3M
3
Point72 Asset Management
Point72 Asset Management
Connecticut
$104M
4
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$21.5M
5
Voloridge Investment Management
Voloridge Investment Management
Florida
$39.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
Ohio Public Employees Retirement System (OPERS)
176
Ohio Public Employees Retirement System (OPERS)
Ohio
$9.5M +$60.3K +588 +0.6%
FRAF
177
Första AP-fonden
Sweden
$9.33M -$185K -1,800 -2%
Janney Montgomery Scott
178
Janney Montgomery Scott
Pennsylvania
$9.3M -$22.8K -222 -0.2%
LF
179
Lansforsakringar Fondforvaltning
Sweden
$9.26M -$638K -6,222 -6%
SIMG
180
Sonora Investment Management Group
Arizona
$9.18M +$1.35M +13,207 +17%
KAS
181
Kestra Advisory Services
Texas
$9.12M +$94.1K +917 +1%
OCBCO
182
Oversea-Chinese Banking Corp (OCBC)
Singapore
$9.1M +$730K +7,114 +9%
QCM
183
Quantinno Capital Management
New York
$9.08M +$4.9M +47,801 +117%
ECM
184
ExodusPoint Capital Management
New York
$9.03M -$6.43M -62,657 -42%
Osaic Holdings
185
Osaic Holdings
Arizona
$8.95M -$3.73M -35,677 -29%
FCMA
186
Foresight Capital Management Advisors
Michigan
$8.89M -$151K -1,469 -2%
M&T Bank
187
M&T Bank
New York
$8.85M +$116K +1,132 +1%
ASRS
188
Arizona State Retirement System
Arizona
$8.81M +$102K +990 +1%
Nisa Investment Advisors
189
Nisa Investment Advisors
Missouri
$8.78M -$2.57M -24,802 -23%
AAS
190
Avantax Advisory Services
Texas
$8.74M +$1.16M +11,276 +15%
HF
191
HRT Financial
New York
$8.59M +$8.59M +83,708 New
MIM
192
MetLife Investment Management
New Jersey
$8.57M -$856K -8,349 -9%
VOYA Investment Management
193
VOYA Investment Management
Georgia
$8.37M -$5.41M -52,716 -39%
BNP Paribas Asset Management
194
BNP Paribas Asset Management
France
$8.37M -$18.8M -183,728 -69%
Mercer Global Advisors
195
Mercer Global Advisors
Colorado
$8.34M -$136K -1,323 -2%
NAM
196
Nissay Asset Management
Japan
$8.29M +$191K +1,867 +2%
SOMRS
197
State of Michigan Retirement System
Michigan
$8.23M +$61.5K +600 +0.8%
MML Investors Services
198
MML Investors Services
Massachusetts
$8.08M -$205K -1,998 -2%
BIC
199
B&I Capital
Switzerland
$8.07M +$205K +1,995 +3%
NAAA
200
New Age Alpha Advisors
New York
$7.99M -$1.91M -18,666 -19%
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