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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 Holding Trade Value Shares
Change 		Shares
Change %
Squarepoint
126
Squarepoint
New York
$974K +$637K +2,685 +189%
B
127
Bailard
California
$942K -$119K -500 -11%
Mitsubishi UFJ Asset Management
128
Mitsubishi UFJ Asset Management
Japan
$922K -$336K -1,417 -27%
AIM
129
Aigen Investment Management
New York
$920K +$718K +3,026 +355%
AR
130
Advisory Research
Illinois
$887K -$531K -2,239 -37%
JPMPWA
131
J.P. Morgan Private Wealth Advisors
California
$849K +$633K +2,669 +293%
CSS
132
Cubist Systematic Strategies
Connecticut
$842K -$4.39M -18,520 -84%
AP
133
AtonRa Partners
Switzerland
$833K +$833K +3,513 New
Zurich Cantonal Bank
134
Zurich Cantonal Bank
Switzerland
$811K +$86.6K +365 +12%
VRS
135
Virginia Retirement Systems
Virginia
$807K -$94.9K -400 -11%
CAM
136
ClariVest Asset Management
California
$806K -$1.09M -4,613 -58%
WG
137
Winton Group
United Kingdom
$786K -$2.26M -9,528 -74%
QI
138
QS Investors
New York
$783K – – –
JG
139
Jefferies Group
New York
$727K +$727K +3,066 New
Osaic Holdings
140
Osaic Holdings
Arizona
$690K +$10.2K +43 +2%
SFI
141
Susquehanna Fundamental Investments
Pennsylvania
$686K +$686K +2,893 New
HSBC Holdings
142
HSBC Holdings
United Kingdom
$678K +$678K +2,899 New
CI Investments Inc
143
CI Investments Inc
Ontario, Canada
$659K +$314K +1,325 +91%
RJA
144
Raymond James & Associates
Florida
$658K -$354K -1,492 -35%
NA
145
NewEdge Advisors
Louisiana
$646K +$646K +2,725 New
SCA
146
Spearhead Capital Advisors
Florida
$619K +$10.9K +46 +2%
PAMU
147
Pictet Asset Management (UK)
United Kingdom
$617K +$119K +500 +24%
Skandinaviska Enskilda Banken (SEB)
148
Skandinaviska Enskilda Banken (SEB)
Sweden
$595K -$1.33M -5,609 -69%
AAMU
149
Amundi Asset Management US
Massachusetts
$593K – – –
Teacher Retirement System of Texas
150
Teacher Retirement System of Texas
Texas
$583K +$223K +938 +62%
4 5
6
7 8