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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 %
Citadel Advisors
151
Citadel Advisors
Florida
$574K -$11.7M -49,206 -95%
AIP
152
Ameritas Investment Partners
Nebraska
$574K +$19.7K +83 +4%
Prudential Financial
153
Prudential Financial
New Jersey
$570K +$5.7K +24 +1%
Parallax Volatility Advisers
154
Parallax Volatility Advisers
California
$555K +$555K +2,340 New
LPL Financial
155
LPL Financial
California
$501K +$23.5K +99 +5%
QT
156
Quantbot Technologies
New York
$489K +$489K +2,065 New
II
157
Inspire Investing
Idaho
$478K +$478K +2,016 New
IMRF
158
Illinois Municipal Retirement Fund
Illinois
$471K +$471K +1,985 New
UBS Group
159
UBS Group
Switzerland
$470K -$952K -4,013 -67%
Canada Life
160
Canada Life
Manitoba, Canada
$467K – – –
OSAM
161
O'Shaughnessy Asset Management
Connecticut
$454K +$453K +1,908 +31,800%
American Century Companies
162
American Century Companies
Missouri
$453K -$248K -1,044 -35%
Nisa Investment Advisors
163
Nisa Investment Advisors
Missouri
$433K +$216K +910 +99%
RG
164
Rathbones Group
United Kingdom
$370K +$26.1K +110 +8%
US Bancorp
165
US Bancorp
Minnesota
$362K +$4.99K +21 +1%
EA
166
Ellsworth Advisors
Ohio
$338K +$64K +270 +23%
Canada Pension Plan Investment Board
167
Canada Pension Plan Investment Board
Ontario, Canada
$330K +$330K +1,392 New
ZCM
168
Zebra Capital Management
Connecticut
$324K -$34.9K -147 -10%
BC
169
Bridgefront Capital
Texas
$303K +$303K +1,276 New
AWM
170
Altium Wealth Management
New York
$298K +$1.43K +6 +0.5%
PRC
171
Pearl River Capital
Michigan
$286K +$286K +1,207 New
PWPS
172
Pinnacle Wealth Planning Services
Ohio
$272K +$16.1K +68 +6%
MSS
173
Mitchell Sinkler & Starr
Pennsylvania
$270K – – –
CIBC Asset Management
174
CIBC Asset Management
Ontario, Canada
$263K – – –
FB
175
Fulton Bank
Pennsylvania
$263K +$7.36K +31 +3%
5 6
7
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