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iRhythm Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$355M +$28.4M +244,162 +9%
RI
2
RTW Investments
New York
$260M +$59.8M +514,131 +31%
Vanguard Portfolio Management
3
Vanguard Portfolio Management
Pennsylvania
$228M +$13.7M +117,604 +7%
Artisan Partners
4
Artisan Partners
Wisconsin
$197M +$24.3M +209,400 +14%
Vanguard Capital Management
5
Vanguard Capital Management
Pennsylvania
$174M +$2.03M +17,501 +1%
Millennium Management
6
Millennium Management
New York
$167M -$23.4M -201,560 -13%
Fidelity Investments
7
Fidelity Investments
Massachusetts
$142M -$19.8M -169,937 -12%
UBS AM
8
UBS AM
Illinois
$112M -$12M -102,935 -10%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$105M +$7.53M +64,789 +8%
EAM
10
Eventide Asset Management
Massachusetts
$105M +$13.9M +119,513 +16%
BNP Paribas Asset Management
11
BNP Paribas Asset Management
France
$103M +$12.1M +104,466 +14%
State Street
12
State Street
Massachusetts
$102M +$7.93M +68,215 +9%
Holocene Advisors
13
Holocene Advisors
New York
$93.2M -$54.1M -465,022 -37%
JP Morgan Chase
14
JP Morgan Chase
New York
$90.9M +$5.97M +51,320 +7%
SIMG
15
Stephens Investment Management Group
Texas
$82.5M +$15.3M +131,907 +23%
Fuller & Thaler Asset Management
16
Fuller & Thaler Asset Management
California
$81.5M +$1.26M +10,798 +2%
B
17
Braidwell
Connecticut
$77.8M +$5.12M +44,070 +7%
D.E. Shaw & Co
18
D.E. Shaw & Co
New York
$74.9M +$8.77M +75,420 +14%
Manulife (Manufacturers Life Insurance)
19
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$66.8M +$19.8M +170,674 +44%
William Blair & Company
20
William Blair & Company
Illinois
$62.4M -$12.1M -103,695 -17%
Bank of America
21
Bank of America
North Carolina
$55.4M +$3.86M +33,180 +8%
PCH
22
Polar Capital Holdings
United Kingdom
$54.5M +$4.24M +36,477 +9%
Arrowstreet Capital
23
Arrowstreet Capital
Massachusetts
$53.6M -$15.3M -132,014 -23%
Schroder Investment Management Group
24
Schroder Investment Management Group
United Kingdom
$53.1M +$23.3M +200,513 +81%
Goldman Sachs
25
Goldman Sachs
New York
$43.1M +$1.6M +13,783 +4%