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Iron Mountain

Name Holding Trade Value Shares
Change
Change in
Stake
Capital World Investors
1
Capital World Investors
California
$582M +$4.47M +174,771 +0.8%
Vanguard Group
2
Vanguard Group
Pennsylvania
$331M +$11M +429,216 +3%
HCM
3
Highfields Capital Management
Massachusetts
$260M +$16.6M +649,200 +7%
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$255M -$1.9M -74,171 -0.7%
SC
5
Schooner Capital
Florida
$227M -$10.7M -419,445 -4%
Parnassus Investments
6
Parnassus Investments
California
$198M -$33.5M -1,308,155 -14%
State Street
7
State Street
Massachusetts
$187M -$7.43M -290,335 -4%
BC
8
Brookfield Corp
Ontario, Canada
$142M +$35.7M +1,393,833 +33%
BIT
9
BlackRock Institutional Trust
California
$120M +$1.55M +60,752 +1%
CGT
10
Capital Guardian Trust
California
$106M +$1.69M +66,165 +2%
RIM
11
RS Investment Management
California
$105M +$14.8M +579,942 +16%
Capital International Investors
12
Capital International Investors
California
$104M +$15.5M +607,002 +18%
RRAM
13
River Road Asset Management
Kentucky
$104M +$1.63M +63,784 +2%
Fidelity Investments
14
Fidelity Investments
Massachusetts
$91.5M -$4.76M -186,151 -5%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$90.4M -$44.3M -1,731,336 -33%
WA
16
Wasatch Advisors
Utah
$86.2M +$16.4M +641,658 +23%
Invesco
17
Invesco
Georgia
$78.8M -$6.05M -236,550 -7%
MCM
18
Munder Capital Management
Michigan
$69M +$158K +6,168 +0.2%
Northern Trust
19
Northern Trust
Illinois
$64.3M -$3.07M -119,933 -5%
Jennison Associates
20
Jennison Associates
New York
$60.2M -$8.55M -334,202 -12%
OCAM
21
Owl Creek Asset Management
New York
$56.3M +$21.1M +824,576 +60%
BFA
22
BlackRock Fund Advisors
California
$55.9M -$519K -20,301 -0.9%
MP
23
Makaira Partners
California
$55.5M
Goldman Sachs
24
Goldman Sachs
New York
$54.5M +$25.4M +991,427 +86%
Allianz Asset Management
25
Allianz Asset Management
Germany
$47M +$22.7M +887,240 +93%