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iRhythm Technologies
IRTC

Overview Fund Activity

222 hedge funds and large institutions have $3.56B invested in iRhythm Technologies in 2023 Q4 according to their latest regulatory filings, with 34 funds opening new positions, 87 increasing their positions, 69 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
222
Holders Change
-1
Holders Change %
-0.45%
% of All Funds
3.25%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
34
Increased
87
Reduced
69
Closed
33
Calls
$24.8M
Puts
$27.2M
Net Calls
-$2.47M
Net Calls Change
-$7.96M

Top Buyers

1
SPPAM
Summit Partners Public Asset Management
Massachusetts
$44.4M
2
Morgan Stanley
Morgan Stanley
New York
$61.6M
3
Holocene Advisors
Holocene Advisors
New York
$103M
4
Point72 Asset Management
Point72 Asset Management
Connecticut
$35.2M
5
CIP
Champlain Investment Partners
Vermont
$30.2M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$12.6M
2
PHS
PFM Health Sciences
California
$0
3
LOM
LTS One Management
New York
$37.5M
4
Norges Bank
Norges Bank
Norway
$26.5M
5
William Blair & Company
William Blair & Company
Illinois
$86.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
SAM
226
Sectoral Asset Management
Quebec, Canada
– -$3.11M -33,000 Closed
EAM
227
EULAV Asset Management
Florida
– -$1.91M -20,300 Closed
MAG
228
Millrace Asset Group
Pennsylvania
– -$1.35M -14,272 Closed
SWS
229
SYSTM Wealth Solutions
Illinois
– -$1.23M -13,051 Closed
CCIA
230
Campbell & Co Investment Adviser
Maryland
– -$948K -10,059 Closed
DTL
231
Dynamic Technology Lab
Singapore
– -$892K -9,463 Closed
CCM
232
Cinctive Capital Management
New York
– -$747K -7,923 Closed
DFCM
233
Dark Forest Capital Management
Puerto Rico
– -$667K -7,072 Closed
Verition Fund Management
234
Verition Fund Management
Connecticut
– -$603K -6,396 Closed
SW
235
SteelPeak Wealth
California
– -$514K -5,451 Closed
IAS
236
IMA Advisory Services
Colorado
– -$471K -5,000 Closed
BCM
237
Bayesian Capital Management
New York
– -$404K -4,287 Closed
Two Sigma Investments
238
Two Sigma Investments
New York
– -$364K -3,863 Closed
Capstone Investment Advisors
239
Capstone Investment Advisors
New York
– -$292K -3,096 Closed
YC
240
Yarbrough Capital
Tennessee
– -$291K -3,090 Closed
Nomura Holdings
241
Nomura Holdings
Japan
– -$283K -3,000 Closed
MF
242
Magnetar Financial
Illinois
– -$243K -2,578 Closed
NRD
243
Nebula Research & Development
New York
– -$235K -2,490 Closed
Teacher Retirement System of Texas
244
Teacher Retirement System of Texas
Texas
– -$222K -2,355 Closed
I
245
InceptionR
California
– -$215K -2,279 Closed
GCM
246
Graham Capital Management
Connecticut
– -$214K -2,272 Closed
JFG
247
Jefferies Financial Group
New York
– -$185K -1,965 Closed
N
248
Natixis
France
– -$141K -1,500 Closed
Walleye Trading
249
Walleye Trading
New York
– -$55K -583 Closed
Lazard Asset Management
250
Lazard Asset Management
New York
– -$38K -404 Closed
7 8 9
10
11