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iRhythm Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
Sands Capital Management
1
Sands Capital Management
Virginia
$286M +$82.8M +1,053,811 +50%
Vanguard Group
2
Vanguard Group
Pennsylvania
$283M +$1.45M +18,442 +0.6%
Artisan Partners
3
Artisan Partners
Wisconsin
$249M -$1.38M -17,525 -0.6%
BlackRock
4
BlackRock
New York
$246M +$13.3M +169,211 +7%
Capital Research Global Investors
5
Capital Research Global Investors
California
$148M -$25M -317,974 -16%
Mackenzie Financial
6
Mackenzie Financial
Ontario, Canada
$125M -$2.98M -37,892 -3%
State Street
7
State Street
Massachusetts
$85.6M +$3.14M +39,938 +4%
BNP Paribas Asset Management
8
BNP Paribas Asset Management
France
$81.2M +$15.2M +192,941 +27%
Westfield Capital Management
9
Westfield Capital Management
Massachusetts
$69M +$18.6M +236,962 +45%
EAM
10
Eventide Asset Management
Massachusetts
$66.7M +$211K +2,689 +0.4%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$66M -$145K -1,841 -0.3%
CIP
12
Champlain Investment Partners
Vermont
$65.5M +$4.65M +59,161 +9%
JP Morgan Chase
13
JP Morgan Chase
New York
$63.7M -$18.3M -232,868 -25%
B
14
Braidwell
Connecticut
$63.6M -$6.06M -77,166 -10%
William Blair & Company
15
William Blair & Company
Illinois
$54.5M -$3.12M -39,704 -6%
Bessemer Group
16
Bessemer Group
New Jersey
$51.2M +$23.6M +299,726 +112%
Allspring Global Investments
17
Allspring Global Investments
North Carolina
$51M +$3.93M +50,075 +10%
SPC
18
Slate Path Capital
New York
$46M
SIMG
19
Stephens Investment Management Group
Texas
$45.3M +$8.06M +102,600 +26%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$44.3M +$7.28M +92,591 +23%
Fidelity Investments
21
Fidelity Investments
Massachusetts
$42.9M +$6.86M +87,331 +23%
FLAM
22
First Light Asset Management
Minnesota
$38.8M +$33.8M +430,500 New
OAM
23
Ophir Asset Management
Australia
$38.5M +$33.6M +427,402 New
RSCM
24
Rock Springs Capital Management
Maryland
$35.8M
FCM
25
Frontier Capital Management
Massachusetts
$32M +$21.9M +278,743 +365%