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iRhythm Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$324M -$10.5M -72,484 -3%
Vanguard Portfolio Management
2
Vanguard Portfolio Management
Pennsylvania
$212M +$259M +1,796,372 New
RI
3
RTW Investments
New York
$197M +$70.2M +486,510 +41%
Millennium Management
4
Millennium Management
New York
$190M +$113M +781,638 +95%
Artisan Partners
5
Artisan Partners
Wisconsin
$171M -$8.81M -61,085 -4%
Vanguard Capital Management
6
Vanguard Capital Management
Pennsylvania
$171M +$209M +1,445,710 New
Fidelity Investments
7
Fidelity Investments
Massachusetts
$161M +$106M +733,153 +117%
Holocene Advisors
8
Holocene Advisors
New York
$147M +$81.5M +565,090 +83%
UBS AM
9
UBS AM
Illinois
$124M +$31.4M +217,590 +26%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$96.5M -$5.96M -41,295 -5%
State Street
11
State Street
Massachusetts
$93M +$3.39M +23,463 +3%
BNP Paribas Asset Management
12
BNP Paribas Asset Management
France
$89.9M +$25.8M +179,048 +31%
EAM
13
Eventide Asset Management
Massachusetts
$89.8M +$9.86M +68,339 +10%
JP Morgan Chase
14
JP Morgan Chase
New York
$81.6M -$6.3M -43,691 -6%
Fuller & Thaler Asset Management
15
Fuller & Thaler Asset Management
California
$79.6M +$5.09M +35,275 +6%
William Blair & Company
16
William Blair & Company
Illinois
$74.2M -$13M -90,412 -13%
B
17
Braidwell
Connecticut
$72M +$56.7M +392,847 +181%
Point72 Asset Management
18
Point72 Asset Management
Connecticut
$70.7M +$54.8M +379,937 +173%
Arrowstreet Capital
19
Arrowstreet Capital
Massachusetts
$68.8M -$3.48M -24,090 -4%
SIMG
20
Stephens Investment Management Group
Texas
$66.3M +$6.09M +42,205 +8%
D.E. Shaw & Co
21
D.E. Shaw & Co
New York
$65.4M +$27.9M +193,597 +54%
Capital Research Global Investors
22
Capital Research Global Investors
California
$60.1M -$97.4M -675,156 -57%
Allspring Global Investments
23
Allspring Global Investments
North Carolina
$55.2M +$8.62M +59,704 +15%
Bank of America
24
Bank of America
North Carolina
$51M +$11.2M +77,769 +22%
PCH
25
Polar Capital Holdings
United Kingdom
$49.8M +$16.4M +113,512 +37%