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iRhythm Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
Capital Research Global Investors
1
Capital Research Global Investors
California
$124M
Fidelity Investments
2
Fidelity Investments
Massachusetts
$112M +$27.7M +612,656 +40%
BlackRock
3
BlackRock
New York
$77M +$22.8M +503,005 +51%
CWAM
4
Columbia Wanger Asset Management
Illinois
$59.1M -$869K -19,192 -2%
Franklin Resources
5
Franklin Resources
California
$55.3M -$2M -44,108 -4%
AllianceBernstein
6
AllianceBernstein
Tennessee
$52M +$5.38M +118,904 +13%
TCM
7
TimesSquare Capital Management
New York
$41.3M -$11.9M -263,610 -25%
Bank of New York Mellon
8
Bank of New York Mellon
New York
$38.3M +$5.9M +130,217 +21%
Vanguard Group
9
Vanguard Group
Pennsylvania
$38M +$14.1M +311,703 +74%
NLVP
10
New Leaf Venture Partners
New York
$36.5M +$1.71M +37,776 +6%
Wells Fargo
11
Wells Fargo
California
$31.6M +$11.1M +244,411 +67%
RG
12
Redmile Group
California
$28.6M +$3.43M +75,700 +16%
NCGI
13
Next Century Growth Investors
Minnesota
$21.5M -$6.79M -150,015 -27%
WRF
14
Waddell & Reed Financial
Kansas
$20.9M -$652K -14,400 -3%
RSCM
15
Rock Springs Capital Management
Maryland
$20M +$17.5M +386,000 New
PA
16
Perceptive Advisors
New York
$19.3M +$4.07M +89,814 +32%
Millennium Management
17
Millennium Management
New York
$16.8M -$22.3M -492,150 -60%
Citadel Advisors
18
Citadel Advisors
Florida
$16.8M -$5.42M -119,759 -27%
JP Morgan Chase
19
JP Morgan Chase
New York
$16.2M +$14M +310,171 +9,693%
Lord, Abbett & Co
20
Lord, Abbett & Co
New Jersey
$16M -$936K -20,673 -6%
MWNA
21
Marshall Wace North America
New York
$15.4M -$9.51M -210,109 -41%
SPPAM
22
Summit Partners Public Asset Management
Massachusetts
$14M +$453K +10,000 +4%
Point72 Asset Management
23
Point72 Asset Management
Connecticut
$13.9M -$15.1M -333,549 -55%
Adage Capital Partners
24
Adage Capital Partners
Massachusetts
$13M
Massachusetts Financial Services
25
Massachusetts Financial Services
Massachusetts
$12.4M +$65.7K +1,450 +0.6%