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iRhythm Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$587M +$12.5M +70,420 +2%
BlackRock
2
BlackRock
New York
$499M -$10.9M -61,487 -2%
Sands Capital Management
3
Sands Capital Management
Virginia
$302M -$95.1M -536,465 -24%
Artisan Partners
4
Artisan Partners
Wisconsin
$268M -$187M -1,055,521 -41%
Capital Research Global Investors
5
Capital Research Global Investors
California
$210M +$179K +1,010 +0.1%
RI
6
RTW Investments
New York
$210M +$209M +1,181,990 New
Geode Capital Management
7
Geode Capital Management
Massachusetts
$152M +$12.1M +68,301 +9%
UBS AM
8
UBS AM
Illinois
$147M +$46M +259,800 +46%
Millennium Management
9
Millennium Management
New York
$147M +$97.2M +548,519 +197%
State Street
10
State Street
Massachusetts
$136M -$14.7M -83,039 -10%
JP Morgan Chase
11
JP Morgan Chase
New York
$135M +$56.6M +319,149 +73%
William Blair & Company
12
William Blair & Company
Illinois
$128M -$3.89M -21,924 -3%
EAM
13
Eventide Asset Management
Massachusetts
$123M +$173K +974 +0.1%
Holocene Advisors
14
Holocene Advisors
New York
$121M +$37.3M +210,288 +44%
Fuller & Thaler Asset Management
15
Fuller & Thaler Asset Management
California
$113M +$7.83M +44,175 +7%
Fidelity Investments
16
Fidelity Investments
Massachusetts
$112M +$828K +4,671 +0.7%
Arrowstreet Capital
17
Arrowstreet Capital
Massachusetts
$108M +$11.7M +65,930 +12%
BNP Paribas Asset Management
18
BNP Paribas Asset Management
France
$103M +$2.26M +12,760 +2%
SIMG
19
Stephens Investment Management Group
Texas
$92.1M -$112K -633 -0.1%
T. Rowe Price Associates
20
T. Rowe Price Associates
Maryland
$89.1M +$28.8M +162,479 +48%
Invesco
21
Invesco
Georgia
$88.4M +$16.9M +95,248 +24%
Wellington Management Group
22
Wellington Management Group
Massachusetts
$72.4M -$2.55M -14,406 -3%
Allspring Global Investments
23
Allspring Global Investments
North Carolina
$71.4M -$1.44M -8,108 -2%
Loomis, Sayles & Company
24
Loomis, Sayles & Company
Massachusetts
$69.6M +$18.2M +102,509 +35%
D.E. Shaw & Co
25
D.E. Shaw & Co
New York
$64M +$4.17M +23,544 +7%