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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 %
OBAM
251
ODDO BHF Asset Management
France
$4.27M -$4.48M -52,080 -51%
Wealth Enhancement Advisory Services
252
Wealth Enhancement Advisory Services
Minnesota
$4.22M -$240K -2,788 -5%
YCM
253
Yousif Capital Management
Michigan
$4.21M -$31.8K -370 -0.7%
AIMCA
254
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$4.2M +$2.1M +24,400 +100%
RBI
255
Raiffeisen Bank International
Austria
$4.18M +$938K +11,027 +29%
Janus Henderson Group
256
Janus Henderson Group
United Kingdom
$4.18M +$1M +11,814 +32%
URS
257
Utah Retirement Systems
Utah
$4.15M – – –
YIH
258
Y-Intercept (HK)
Hong Kong
$4.13M +$1.75M +20,376 +74%
PP
259
Prudential plc
United Kingdom
$3.97M -$1.51M -17,532 -28%
Mirae Asset Global Investments
260
Mirae Asset Global Investments
South Korea
$3.92M -$4.51K -53 -0.1%
WA
261
WealthTrust Axiom
Pennsylvania
$3.89M -$91.4K -1,062 -2%
RCM
262
RB Capital Management
Nevada
$3.88M -$107K -1,242 -3%
CIBC Asset Management
263
CIBC Asset Management
Ontario, Canada
$3.84M -$24.6K -286 -0.6%
TLP
264
Trinity Legacy Partners
Texas
$3.76M -$567K -5,827 -13%
NYLIM
265
New York Life Investment Management
New York
$3.74M -$23.6K -274 -0.6%
Bank of Nova Scotia
266
Bank of Nova Scotia
Ontario, Canada
$3.74M -$362K -4,204 -9%
SOAMC
267
Spirit of America Management Corp
New York
$3.72M +$163K +1,900 +5%
Truist Financial
268
Truist Financial
North Carolina
$3.71M -$143K -1,667 -4%
PFSRSONJ
269
Police & Firemen's Retirement System of New Jersey
New Jersey
$3.64M – – –
FDCDDQ
270
Federation des caisses Desjardins du Quebec
Quebec, Canada
$3.64M +$676K +7,862 +23%
VRM
271
Vectors Research Management
New York
$3.62M +$312K +3,623 +9%
HIC
272
Holderness Investments Company
North Carolina
$3.62M -$3.79K -44 -0.1%
Mariner
273
Mariner
Kansas
$3.58M -$707K -8,214 -16%
NI
274
Nepsis Inc
Minnesota
$3.53M -$623K -7,244 -15%
QCM
275
Quantinno Capital Management
New York
$3.5M +$1.68M +19,575 +93%
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