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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 %
SIC
201
Salem Investment Counselors
North Carolina
$7.92M -$3.18K -31 -0%
Wealthfront Advisers
202
Wealthfront Advisers
California
$7.79M +$20.5K +200 +0.3%
VMPIC
203
Varma Mutual Pension Insurance Co
Finland
$7.65M -$585K -5,700 -7%
ECM
204
Eisler Capital Management
United Kingdom
$7.58M -$3.46M -33,739 -31%
AV
205
ASR Vermogensbeheer
Netherlands
$7.56M -$1.74M -16,920 -19%
VLKIM
206
Van Lanschot Kempen Investment Management
Netherlands
$7.53M +$286K +2,792 +4%
CNB
207
Czech National Bank
Czech Republic
$7.4M +$477K +4,652 +7%
CS
208
Candriam SCA
Luxembourg
$7.36M +$175K +1,706 +2%
ACIM
209
Azimuth Capital Investment Management
Michigan
$7.04M +$3.48M +33,946 +98%
BC
210
Burney Company
Virginia
$6.85M -$8.75M -85,339 -56%
EGM
211
Engineers Gate Manager
New York
$6.85M +$1.19M +11,619 +21%
KOCAA
212
Knights of Columbus Asset Advisors
Connecticut
$6.83M -$4.12M -40,165 -38%
TSW
213
Thompson Siegel & Walmsley
Virginia
$6.79M +$6.79M +66,200 New
CGH
214
Crossmark Global Holdings
Texas
$6.75M +$386K +3,765 +6%
KBC Group
215
KBC Group
Belgium
$6.74M -$171K -1,665 -2%
PNC Financial Services Group
216
PNC Financial Services Group
Pennsylvania
$6.71M +$712K +6,937 +12%
VanEck Associates
217
VanEck Associates
New York
$6.68M +$740K +7,215 +12%
AAM
218
Advisors Asset Management
Colorado
$6.51M +$122K +1,193 +2%
Nordea Investment Management
219
Nordea Investment Management
Sweden
$6.5M +$81.3K +800 +1%
BHCM
220
Brevan Howard Capital Management
Jersey
$6.31M +$6.31M +61,532 New
ProShare Advisors
221
ProShare Advisors
Maryland
$6.24M +$481K +4,694 +8%
Public Sector Pension Investment Board (PSP Investments)
222
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$6.22M -$1.83M -17,870 -23%
Northwestern Mutual Wealth Management
223
Northwestern Mutual Wealth Management
Wisconsin
$6.18M +$560K +5,458 +10%
UIM
224
USS Investment Management
United Kingdom
$6.14M +$14.2K +138 +0.2%
PAMP
225
Polar Asset Management Partners
Ontario, Canada
$6.12M +$369K +3,600 +6%
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