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iRhythm Technologies
IRTC

Overview Fund Activity

173 hedge funds and large institutions have $2.23B invested in iRhythm Technologies in 2019 Q4 according to their latest regulatory filings, with 32 funds opening new positions, 62 increasing their positions, 58 reducing their positions, and 25 closing their positions.

Holders
173
Holders Change
+5
Holders Change %
+2.98%
% of All Funds
3.42%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
32
Increased
62
Reduced
58
Closed
25
Calls
$12.9M
Puts
$2.87M
Net Calls
+$10M
Net Calls Change
+$4.89M

Top Buyers

1
William Blair Investment Management
1
William Blair Investment Management
Illinois
$84M
2
Holocene Advisors
2
Holocene Advisors
New York
$51.2M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$98.4M
4
Norges Bank
4
Norges Bank
Norway
$104M
5
Millennium Management
5
Millennium Management
New York
$39.9M

Top Sellers

1
PHS
1
PFM Health Sciences
California
$31.2M
2
FAM
2
Fred Alger Management
New York
$0
3
WRF
3
Waddell & Reed Financial
Kansas
$18.4M
4
Franklin Resources
4
Franklin Resources
California
$46.4M
5
Lord, Abbett & Co
5
Lord, Abbett & Co
New Jersey
$18.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
AIM
76
Aigen Investment Management
New York
$1.89M +$1.89M +27,732 New
Aviva
77
Aviva
United Kingdom
$1.81M +$1.81M +26,630 New
CS
78
Credit Suisse
Switzerland
$1.55M +$20.4K +299 +1%
UBS AM
79
UBS AM
Illinois
$1.55M +$51.3K +754 +3%
Prudential Financial
80
Prudential Financial
New Jersey
$1.51M +$1.51M +22,101 New
SEC
81
Seven Eight Capital
New York
$1.43M +$1.43M +20,940 New
CSS
82
Cubist Systematic Strategies
Connecticut
$1.39M +$303K +4,453 +28%
IHAM
83
Integral Health Asset Management
New York
$1.36M +$1.36M +20,000 New
Principal Financial Group
84
Principal Financial Group
Iowa
$1.35M -$550K -8,083 -29%
EAM
85
EULAV Asset Management
Florida
$1.34M -$34K -500 -2%
Legal & General Group
86
Legal & General Group
United Kingdom
$1.26M +$95.1K +1,396 +8%
Mackenzie Financial
87
Mackenzie Financial
Ontario, Canada
$1.2M +$1.2M +17,634 New
AIG
88
American International Group
New York
$1.13M +$64.8K +952 +6%
PPA
89
Parametric Portfolio Associates
Washington
$1.09M -$752K -11,039 -41%
Citigroup
90
Citigroup
New York
$1.06M +$277K +4,064 +35%
Susquehanna International Group
91
Susquehanna International Group
Pennsylvania
$1.04M -$2.52M -36,940 -71%
D.E. Shaw & Co
92
D.E. Shaw & Co
New York
$1.02M -$3.13M -46,037 -75%
Manulife (Manufacturers Life Insurance)
93
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.01M -$32K -470 -3%
Lazard Asset Management
94
Lazard Asset Management
New York
$971K -$34K -500 -3%
HSBC Holdings
95
HSBC Holdings
United Kingdom
$964K -$885K -13,005 -48%
RCAMU
96
Rothschild & Co Asset Management US
Connecticut
$913K -$41.7K -612 -4%
First Trust Advisors
97
First Trust Advisors
Illinois
$908K -$1.01M -14,814 -53%
HS
98
Haafor (Singapore)
Singapore
$906K +$906K +13,305 New
CS
99
Candriam SCA
Luxembourg
$885K – – –
QT
100
Quantbot Technologies
New York
$878K -$40.8K -599 -4%
2 3
4
5 6