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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.

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

Top Sellers

1
William Blair Investment Management
William Blair Investment Management
Illinois
$0
2
Holocene Advisors
Holocene Advisors
New York
$39.9M
3
TCM
TimesSquare Capital Management
New York
$0
4
Loomis, Sayles & Company
Loomis, Sayles & Company
Massachusetts
$0
5
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
$42.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
SSWG
226
Seven Springs Wealth Group
Tennessee
$2K +$2K +7 New
CWP
227
Concord Wealth Partners
Virginia
$2K +$2K +8 New
IFAM
228
Institutional & Family Asset Management
Colorado
$1K -$600 -3 -38%
ABC
229
Associated Banc-Corp
Wisconsin
$1K – – –
BC
230
Bartlett & Co
Ohio
$1K +$1K +3 New
IAIM
231
International Assets Investment Management
Florida
$1K +$1K +6 New
ADIM
232
Alpha DNA Investment Management
Maryland
$1K +$1K +6 New
BCWM
233
Bartlett & Co Wealth Management
Ohio
$712 +$712 +3 New
William Blair Investment Management
234
William Blair Investment Management
Illinois
– -$255M -1,071,182 Closed
TCM
235
TimesSquare Capital Management
New York
– -$61.9M -259,807 Closed
Loomis, Sayles & Company
236
Loomis, Sayles & Company
Massachusetts
– -$58.2M -244,323 Closed
CTA
237
Carillon Tower Advisers
Florida
– -$28.6M -119,993 Closed
Massachusetts Financial Services
238
Massachusetts Financial Services
Massachusetts
– -$26.7M -112,104 Closed
Millennium Management
239
Millennium Management
New York
– -$13.7K -57,475 Closed
GH
240
GAM Holding
Switzerland
– -$8.45M -35,485 Closed
LCG
241
Lisanti Capital Growth
New York
– -$7.52M -31,596 Closed
CM
242
Castleark Management
Illinois
– -$6.07M -25,493 Closed
CCI
243
Columbus Circle Investors
– -$4.59M -19,275 Closed
IHAM
244
Integral Health Asset Management
New York
– -$2.86M -12,000 Closed
EI
245
EAM Investors
California
– -$2.28M -9,575 Closed
EGM
246
Engineers Gate Manager
New York
– -$1.94M -8,131 Closed
GAM
247
Gotham Asset Management
New York
– -$1.46M -6,143 Closed
Two Sigma Investments
248
Two Sigma Investments
New York
– -$1.02M -4,289 Closed
TC
249
TwinBeech Capital
New York
– -$832K -3,494 Closed
Wolverine Trading
250
Wolverine Trading
Illinois
– -$715K -3,061 Closed
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