IRM icon

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 %
BHC
201
Bowen Hanes & Co
Florida
$6.45M +$6.45M +75,000 New
Nomura Holdings
202
Nomura Holdings
Japan
$6.41M +$2.65M +30,780 +70%
AAS
203
Avantax Advisory Services
Texas
$6.36M +$196K +2,273 +3%
CF
204
Corebridge Financial
Texas
$6.32M -$244K -2,831 -4%
VLKIM
205
Van Lanschot Kempen Investment Management
Netherlands
$6.08M +$6.08M +70,641 New
CS
206
Candriam SCA
Luxembourg
$6.02M -$609K -7,080 -9%
Verition Fund Management
207
Verition Fund Management
Connecticut
$5.99M +$2.21M +25,630 +58%
Susquehanna International Group
208
Susquehanna International Group
Pennsylvania
$5.83M -$8.72M -101,292 -60%
CNB
209
Czech National Bank
Czech Republic
$5.8M +$330K +3,839 +6%
KBC Group
210
KBC Group
Belgium
$5.79M -$28.8M -334,908 -83%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
211
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$5.68M +$301K +3,502 +6%
Squarepoint
212
Squarepoint
New York
$5.65M +$2.64M +30,666 +87%
GAM
213
Gotham Asset Management
New York
$5.65M -$1.8M -20,873 -24%
AF
214
Allworth Financial
California
$5.58M +$87.7K +1,028 +2%
AQR Capital Management
215
AQR Capital Management
Connecticut
$5.53M -$11.8M -138,699 -68%
NIA
216
NIA Impact Advisors
California
$5.51M -$444K -5,157 -7%
ATIA
217
American Trust Investment Advisors
New Hampshire
$5.46M -$371K -4,310 -6%
Nordea Investment Management
218
Nordea Investment Management
Sweden
$5.39M +$3M +35,153 +126%
Two Sigma Advisers
219
Two Sigma Advisers
New York
$5.39M +$4.73M +55,000 +714%
AAM
220
Advisors Asset Management
Colorado
$5.36M -$296K -3,442 -5%
Baird Financial Group
221
Baird Financial Group
Wisconsin
$5.36M -$275K -3,196 -5%
CGH
222
Crossmark Global Holdings
Texas
$5.34M +$380K +4,422 +8%
SG Americas Securities
223
SG Americas Securities
New York
$5.19M +$4.76M +55,309 +1,116%
FNT
224
First National Trust
Pennsylvania
$5.18M -$394K -4,579 -7%
AB
225
Amalgamated Bank
New York
$5.17M +$135K +1,571 +3%
7 8
9
10 11