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

Top Sellers

1
BlackRock
1
BlackRock
New York
$3.21B
2
Citadel Advisors
2
Citadel Advisors
Florida
$14.3M
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$104M
4
Qube Research & Technologies (QRT)
4
Qube Research & Technologies (QRT)
United Kingdom
$21.5M
5
Voloridge Investment Management
5
Voloridge Investment Management
Florida
$39.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
Capital Fund Management (CFM)
126
Capital Fund Management (CFM)
France
$16.1M +$7.17M +69,914 +80%
Chevy Chase Trust
127
Chevy Chase Trust
Maryland
$16M +$183K +1,787 +1%
Jane Street
128
Jane Street
New York
$15.4M +$10.3M +100,090 +201%
DIA
129
Dana Investment Advisors
Wisconsin
$15.3M -$998K -9,729 -6%
Franklin Resources
130
Franklin Resources
California
$15.3M +$2.71M +26,468 +22%
NLGIA
131
Nippon Life Global Investors Americas
New York
$15.3M +$9.24M +89,510 +153%
BCM
132
Brookstone Capital Management
Illinois
$15.2M -$1.04M -10,161 -6%
Cambridge Investment Research Advisors
133
Cambridge Investment Research Advisors
Iowa
$14.7M +$123K +1,200 +0.8%
Royal London Asset Management
134
Royal London Asset Management
United Kingdom
$14.7M -$595K -5,803 -4%
TTWM
135
TCV Trust & Wealth Management
Virginia
$14.4M -$189K -1,842 -1%
APG Asset Management
136
APG Asset Management
Netherlands
$14.4M +$542K +6,200 +4%
Citadel Advisors
137
Citadel Advisors
Florida
$14.3M -$114M -1,112,001 -89%
QCM
138
QRG Capital Management
Illinois
$14.3M +$360K +3,514 +3%
Treasurer of the State of North Carolina
139
Treasurer of the State of North Carolina
North Carolina
$14.1M +$390K +3,803 +3%
CIBC World Market
140
CIBC World Market
Ontario, Canada
$13.9M +$254K +2,480 +2%
IIM
141
INTECH Investment Management
Florida
$13.9M -$32.1M -313,364 -70%
EP
142
Edgestream Partners
New Jersey
$13.5M +$5.53M +53,883 +69%
AAM
143
AR Asset Management
California
$13.4M – – –
VAM
144
Vert Asset Management
California
$13.3M -$673K -6,564 -5%
TA
145
Tectonic Advisors
Texas
$13.2M +$1.27M +12,379 +11%
MA
146
Mutual Advisors
Nebraska
$13.2M +$200K +2,013 +2%
Focus Partners Wealth
147
Focus Partners Wealth
Massachusetts
$13.1M -$2.23M -21,689 -15%
SG Americas Securities
148
SG Americas Securities
New York
$12.9M +$6.67M +65,051 +108%
Mitsubishi UFJ Trust & Banking
149
Mitsubishi UFJ Trust & Banking
Japan
$12.7M -$74.9K -730 -0.6%
Susquehanna International Group
150
Susquehanna International Group
Pennsylvania
$12.7M +$5.74M +55,956 +83%
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