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iRhythm Technologies
IRTC

Overview Fund Activity

217 hedge funds and large institutions have $4.32B invested in iRhythm Technologies in 2021 Q1 according to their latest regulatory filings, with 52 funds opening new positions, 64 increasing their positions, 79 reducing their positions, and 67 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
217
Holders Change
-17
Holders Change %
-7.26%
% of All Funds
3.82%
Holding in Top 10
–
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-100%
% of All Funds
–
New
52
Increased
64
Reduced
79
Closed
67
Calls
$35.9M
Puts
$17.5M
Net Calls
+$18.3M
Net Calls Change
+$56.8M

Top Buyers

1
CS
Credit Suisse
Switzerland
$132M
2
Macquarie Group
Macquarie Group
Australia
$149M
3
William Blair & Company
William Blair & Company
Illinois
$69.2M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$158M
5
VOYA Investment Management
VOYA Investment Management
Georgia
$28.2M

Top Sellers

1
JSP
Jackson Square Partners
California
$0
2
FAM
Fred Alger Management
New York
$0
3
Neuberger Berman Group
Neuberger Berman Group
New York
$1.17M
4
Artisan Partners
Artisan Partners
Wisconsin
$108M
5
Franklin Resources
Franklin Resources
California
$38M
Name Holding Trade Value Shares
Change 		Shares
Change %
GIM
226
Granahan Investment Management
Massachusetts
– -$2.91M -12,274 Closed
N
227
Natixis
France
– -$1.77M -7,452 Closed
SSA
228
Schonfeld Strategic Advisors
New York
– -$1.61M -6,800 Closed
Aviva
229
Aviva
United Kingdom
– -$1.35M -5,668 Closed
PP
230
PDT Partners
New York
– -$1.26M -5,300 Closed
KJHP
231
K.J. Harrison & Partners
Ontario, Canada
– -$1.19M -5,000 Closed
ZIM
232
Zacks Investment Management
Illinois
– -$1.11M -4,695 Closed
AR
233
Advisory Research
Illinois
– -$887K -3,738 Closed
JPMPWA
234
J.P. Morgan Private Wealth Advisors
California
– -$849K -3,579 Closed
AP
235
AtonRa Partners
Switzerland
– -$833K -3,513 Closed
CAM
236
ClariVest Asset Management
California
– -$806K -3,397 Closed
QI
237
QS Investors
New York
– -$783K -3,300 Closed
HSBC Holdings
238
HSBC Holdings
United Kingdom
– -$678K -2,899 Closed
SFI
239
Susquehanna Fundamental Investments
Pennsylvania
– -$686K -2,893 Closed
CI Investments Inc
240
CI Investments Inc
Ontario, Canada
– -$659K -2,779 Closed
Parallax Volatility Advisers
241
Parallax Volatility Advisers
California
– -$555K -2,340 Closed
LPL Financial
242
LPL Financial
California
– -$501K -2,112 Closed
II
243
Inspire Investing
Idaho
– -$478K -2,016 Closed
RG
244
Rathbones Group
United Kingdom
– -$370K -1,560 Closed
EA
245
Ellsworth Advisors
Ohio
– -$338K -1,427 Closed
ZCM
246
Zebra Capital Management
Connecticut
– -$324K -1,365 Closed
BC
247
Bridgefront Capital
Texas
– -$303K -1,276 Closed
AWM
248
Altium Wealth Management
New York
– -$298K -1,255 Closed
PRC
249
Pearl River Capital
Michigan
– -$286K -1,207 Closed
PWPS
250
Pinnacle Wealth Planning Services
Ohio
– -$272K -1,146 Closed
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