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iRhythm Technologies
IRTC

Overview Fund Activity

183 hedge funds and large institutions have $1.93B invested in iRhythm Technologies in 2021 Q2 according to their latest regulatory filings, with 27 funds opening new positions, 72 increasing their positions, 56 reducing their positions, and 60 closing their positions.

Holders
183
Holders Change
-34
Holders Change %
-15.67%
% of All Funds
3.19%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
27
Increased
72
Reduced
56
Closed
60
Calls
$38.7M
Puts
$21.2M
Net Calls
+$17.5M
Net Calls Change
-$812K

Top Buyers

1
Mackenzie Financial
1
Mackenzie Financial
Ontario, Canada
$120M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$72.6M
3
Citadel Advisors
3
Citadel Advisors
Florida
$61.5M
4
Millennium Management
4
Millennium Management
New York
$36.6M
5
Assenagon Asset Management
5
Assenagon Asset Management
Luxembourg
$33.9M

Top Sellers

1
BCM
1
Brown Capital Management
Maryland
$0
2
Artisan Partners
2
Artisan Partners
Wisconsin
$0
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$37.8M
4
Macquarie Group
4
Macquarie Group
Australia
$45K
5
Wells Fargo
5
Wells Fargo
California
$5.15M
Name Market Value Shares Shares
Change 		Shares
Change %
Sands Capital Management
1
Sands Capital Management
Virginia
$214M 3,229,819 +182,255 +6%
Vanguard Group
2
Vanguard Group
Pennsylvania
$180M 2,718,802 -15,305 -0.6%
BlackRock
3
BlackRock
New York
$138M 2,077,784 -201,464 -9%
Mackenzie Financial
4
Mackenzie Financial
Ontario, Canada
$120M 1,813,353 +1,813,353 New
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$93.5M 1,409,277 +269,403 +24%
CS
6
Credit Suisse
Switzerland
$77.3M 1,165,559 +212,601 +22%
Wellington Management Group
7
Wellington Management Group
Massachusetts
$72.6M 1,094,335 +1,025,138 +1,481%
Capital Research Global Investors
8
Capital Research Global Investors
California
$70.1M 1,056,827 +309,962 +42%
Citadel Advisors
9
Citadel Advisors
Florida
$61.5M 926,724 +742,315 +403%
State Street
10
State Street
Massachusetts
$54M 813,955 +174,847 +27%
William Blair & Company
11
William Blair & Company
Illinois
$42.1M 634,684 +136,521 +27%
Fiera Capital (Canada)
12
Fiera Capital (Canada)
Quebec, Canada
$40.6M 612,027 +227,094 +59%
Norges Bank
13
Norges Bank
Norway
$38.2M 575,072 +296,576 +106%
T. Rowe Price Associates
14
T. Rowe Price Associates
Maryland
$37.8M 569,709 -1,404,504 -71%
Millennium Management
15
Millennium Management
New York
$36.6M 551,173 +547,979 +17,157%
Assenagon Asset Management
16
Assenagon Asset Management
Luxembourg
$33.9M 510,915 +508,626 +22,220%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$33.3M 501,539 +21,704 +5%
Two Sigma Investments
18
Two Sigma Investments
New York
$32.1M 483,717 +453,224 +1,486%
RSCM
19
Rock Springs Capital Management
Maryland
$29.7M 448,000 +15,504 +4%
Invesco
20
Invesco
Georgia
$29.4M 442,693 -275,149 -38%
Bessemer Group
21
Bessemer Group
New Jersey
$28.2M 425,638 +38,704 +10%
VIA
22
Vident Investment Advisory
Georgia
$27.4M 412,614 +228,968 +125%
Legal & General Group
23
Legal & General Group
United Kingdom
$23.8M 358,246 +176,675 +97%
BNP Paribas Asset Management
24
BNP Paribas Asset Management
France
$23.7M 357,833 – –
Renaissance Technologies
25
Renaissance Technologies
New York
$22.3M 335,600 +193,100 +136%
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