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Iron Mountain
IRM

Overview Fund Activity

982 hedge funds and large institutions have $20.7B invested in Iron Mountain in 2025 Q1 according to their latest regulatory filings, with 89 funds opening new positions, 342 increasing their positions, 396 reducing their positions, and 142 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
982
Holders Change
-70
Holders Change %
-6.65%
% of All Funds
13.34%
Holding in Top 10
10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-9.09%
% of All Funds
0.14%
New
89
Increased
342
Reduced
396
Closed
142
Calls
$151M
Puts
$197M
Net Calls
-$46.5M
Net Calls Change
-$48.9M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
+$397M
2
BlackRock
BlackRock
New York
+$271M
3
CAM
Contour Asset Management
New York
+$123M
4
Goldman Sachs
Goldman Sachs
New York
+$78.6M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$75.3M

Top Sellers

1
AM
AGF Management
Ontario, Canada
-$224M
2
TD Asset Management
TD Asset Management
Ontario, Canada
-$151M
3
Capital World Investors
Capital World Investors
California
-$146M
4
Cohen & Steers
Cohen & Steers
New York
-$123M
5
Wellington Management Group
Wellington Management Group
Massachusetts
-$41.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
TA
151
Tectonic Advisors
Texas
$9.98M +$1.36M +15,790 +16%
II
152
IFM Investors
Australia
$9.81M -$753K -8,755 -7%
UM
153
UniSuper Management
Australia
$9.76M +$347K +4,028 +4%
USCWA
154
U.S. Capital Wealth Advisors
Texas
$9.65M -$77.6K -902 -0.8%
SBIA
155
Sheaff Brock Investment Advisors
Indiana
$9.58M -$73.6K -855 -0.8%
Nisa Investment Advisors
156
Nisa Investment Advisors
Missouri
$9.52M -$279K -3,215 -3%
Canada Pension Plan Investment Board
157
Canada Pension Plan Investment Board
Ontario, Canada
$9.41M -$9.29M -107,925 -50%
HighTower Advisors
158
HighTower Advisors
Illinois
$9.39M +$2.03M +23,580 +28%
Allspring Global Investments
159
Allspring Global Investments
North Carolina
$9.35M -$836K -9,622 -8%
ECM
160
Eisler Capital Management
United Kingdom
$9.26M +$9.26M +107,720 New
KOCAA
161
Knights of Columbus Asset Advisors
Connecticut
$9.19M -$7.27M -84,519 -44%
Creative Planning
162
Creative Planning
Kansas
$9.18M +$631K +7,332 +7%
State of Tennessee, Department of Treasury
163
State of Tennessee, Department of Treasury
Tennessee
$8.81M +$1.03M +11,982 +13%
KK
164
KLP Kapitalforvaltning
Norway
$8.58M +$147K +1,700 +2%
PAG
165
Private Advisor Group
New Jersey
$8.55M +$368K +4,282 +5%
CC
166
Chicago Capital
Illinois
$8.54M -$332K -3,863 -4%
State of New Jersey Common Pension Fund D
167
State of New Jersey Common Pension Fund D
New Jersey
$8.32M -$804K -9,342 -9%
NAAA
168
New Age Alpha Advisors
New York
$8.3M +$3.51M +40,793 +73%
LF
169
Lansforsakringar Fondforvaltning
Sweden
$8.3M -$62.6K -728 -0.7%
SMDAM
170
Sumitomo Mitsui DS Asset Management
Japan
$8.17M +$206K +2,395 +3%
FRAF
171
Första AP-fonden
Sweden
$7.98M +$2.57M +29,900 +48%
Ohio Public Employees Retirement System (OPERS)
172
Ohio Public Employees Retirement System (OPERS)
Ohio
$7.92M -$874K -10,154 -10%
ACM
173
Adelante Capital Management
California
$7.91M -$1.13M -55,551 -12%
MIM
174
MetLife Investment Management
New Jersey
$7.9M -$146K -1,701 -2%
Janney Montgomery Scott
175
Janney Montgomery Scott
Pennsylvania
$7.82M -$123K -1,433 -2%
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