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iRhythm Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$231M +$10.9M +136,307 +5%
Artisan Partners
2
Artisan Partners
Wisconsin
$206M +$7.56M +94,974 +4%
BlackRock
3
BlackRock
New York
$190M +$4.56M +57,292 +2%
Sands Capital Management
4
Sands Capital Management
Virginia
$158M -$248K -3,112 -0.1%
Capital Research Global Investors
5
Capital Research Global Investors
California
$145M -$43M -539,439 -22%
Mackenzie Financial
6
Mackenzie Financial
Ontario, Canada
$105M -$676K -8,490 -0.6%
AllianceBernstein
7
AllianceBernstein
Tennessee
$90M -$4.41M -55,425 -4%
JP Morgan Chase
8
JP Morgan Chase
New York
$69.8M -$609K -7,648 -0.8%
State Street
9
State Street
Massachusetts
$67.5M +$955K +11,992 +1%
B
10
Braidwell
Connecticut
$58.1M +$20.4M +256,200 +49%
EAM
11
Eventide Asset Management
Massachusetts
$54.7M +$37M +464,629 +171%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$54.5M +$432K +5,423 +0.7%
BNP Paribas Asset Management
13
BNP Paribas Asset Management
France
$52.5M +$15.6M +195,246 +38%
CIP
14
Champlain Investment Partners
Vermont
$49.5M -$5.75M -72,164 -10%
William Blair & Company
15
William Blair & Company
Illinois
$47.8M -$12.3M -154,639 -19%
Westfield Capital Management
16
Westfield Capital Management
Massachusetts
$39.2M -$6.43M -80,789 -13%
Allspring Global Investments
17
Allspring Global Investments
North Carolina
$38.6M +$3.54M +44,387 +9%
SPC
18
Slate Path Capital
New York
$37.9M
Bank of America
19
Bank of America
North Carolina
$30.6M +$4.57M +57,416 +16%
SIMG
20
Stephens Investment Management Group
Texas
$29.7M -$1.62M -20,282 -5%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$29.6M -$168K -2,115 -0.5%
RSCM
22
Rock Springs Capital Management
Maryland
$29.5M
Fidelity Investments
23
Fidelity Investments
Massachusetts
$28.8M +$2.02M +25,385 +7%
Fiera Capital (Canada)
24
Fiera Capital (Canada)
Quebec, Canada
$28.3M -$920K -11,553 -3%
Alyeska Investment Group
25
Alyeska Investment Group
Illinois
$28.1M +$5.41M +67,875 +22%