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iRhythm Technologies
IRTC

Overview Fund Activity

234 hedge funds and large institutions have $7.9B invested in iRhythm Technologies in 2020 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 97 increasing their positions, 68 reducing their positions, and 37 closing their positions.

Holders
234
Holders Change
+1
Holders Change %
+0.43%
% of All Funds
4.15%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
41
Increased
97
Reduced
68
Closed
37
Calls
$39.1M
Puts
$77.6M
Net Calls
-$38.5M
Net Calls Change
-$42.5M

Top Buyers

1
Sands Capital Management
1
Sands Capital Management
Virginia
$729M
2
Artisan Partners
2
Artisan Partners
Wisconsin
$322M
3
JSP
3
Jackson Square Partners
California
$176M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$430M
5
BlackRock
5
BlackRock
New York
$541M

Top Sellers

1
William Blair Investment Management
1
William Blair Investment Management
Illinois
$0
2
Holocene Advisors
2
Holocene Advisors
New York
$39.9M
3
TCM
3
TimesSquare Capital Management
New York
$0
4
Loomis, Sayles & Company
4
Loomis, Sayles & Company
Massachusetts
$0
5
Lord, Abbett & Co
5
Lord, Abbett & Co
New Jersey
$42.6M
Name Market Value Shares Shares
Change 		Shares
Change %
Sands Capital Management
1
Sands Capital Management
Virginia
$729M 3,074,149 +1,168,349 +61%
Vanguard Group
2
Vanguard Group
Pennsylvania
$653M 2,751,468 +139,564 +5%
BCM
3
Brown Capital Management
Maryland
$646M 2,722,288 -59,427 -2%
BlackRock
4
BlackRock
New York
$541M 2,278,895 +212,976 +10%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$430M 1,812,756 +420,419 +30%
Artisan Partners
6
Artisan Partners
Wisconsin
$322M 1,356,864 +951,511 +235%
Capital Research Global Investors
7
Capital Research Global Investors
California
$281M 1,183,639 +151,839 +15%
AllianceBernstein
8
AllianceBernstein
Tennessee
$246M 1,035,315 -16,816 -2%
Wells Fargo
9
Wells Fargo
California
$236M 994,971 -66,457 -6%
JPMorgan Chase & Co
10
JPMorgan Chase & Co
New York
$225M 949,694 +54,189 +6%
Invesco
11
Invesco
Georgia
$202M 850,771 +40,169 +5%
Franklin Resources
12
Franklin Resources
California
$200M 841,656 +167,002 +25%
JSP
13
Jackson Square Partners
California
$176M 742,450 +742,450 New
Macquarie Group
14
Macquarie Group
Australia
$176M 742,083 +53,185 +8%
Neuberger Berman Group
15
Neuberger Berman Group
New York
$155M 651,902 +102,200 +19%
FAM
16
Fred Alger Management
New York
$153M 644,466 +140,826 +28%
State Street
17
State Street
Massachusetts
$152M 639,275 +7,861 +1%
RSCM
18
Rock Springs Capital Management
Maryland
$148M 625,000 – –
CS
19
Credit Suisse
Switzerland
$140M 588,204 +211,724 +56%
New York State Common Retirement Fund
20
New York State Common Retirement Fund
New York
$137M 577,414 +21,340 +4%
Geode Capital Management
21
Geode Capital Management
Massachusetts
$105M 444,529 +38,246 +9%
GGHC
22
Gilder Gagnon Howe & Co
New York
$96.1M 405,061 +8,305 +2%
Fiera Capital (Canada)
23
Fiera Capital (Canada)
Quebec, Canada
$92.2M 388,756 +2,745 +0.7%
Bessemer Group
24
Bessemer Group
New Jersey
$91.8M 386,934 +149,356 +63%
Norges Bank
25
Norges Bank
Norway
$91.5M 385,758 +5,100 +1%
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