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iRhythm Technologies
IRTC

Overview Fund Activity

141 hedge funds and large institutions have $1.52B invested in iRhythm Technologies in 2018 Q1 according to their latest regulatory filings, with 34 funds opening new positions, 43 increasing their positions, 47 reducing their positions, and 10 closing their positions.

Holders
141
Holders Change
+23
Holders Change %
+19.49%
% of All Funds
3.24%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
34
Increased
43
Reduced
47
Closed
10
Calls
$4.21M
Puts
$1.7M
Net Calls
+$2.51M
Net Calls Change
+$3.85M

Top Buyers

1
Ameriprise
1
Ameriprise
Minnesota
$47.6M
2
BCM
2
Brown Capital Management
Maryland
$42.9M
3
Wells Fargo
3
Wells Fargo
California
$43.9M
4
PC
4
Polar Capital
United Kingdom
$20.3M
5
Millennium Management
5
Millennium Management
New York
$39.1M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$10.6M
2
NLVP
2
New Leaf Venture Partners
New York
$0
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$119M
4
Bank of New York Mellon
4
Bank of New York Mellon
New York
$41.2M
5
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$9.35M
Name Holding Trade Value Shares
Change 		Shares
Change %
Marshall Wace
101
Marshall Wace
United Kingdom
$453K +$453K +7,200 New
Bank of America
102
Bank of America
North Carolina
$416K +$47.7K +756 +13%
State Board of Administration of Florida Retirement System
103
State Board of Administration of Florida Retirement System
Florida
$409K +$46.6K +739 +13%
VOYA Investment Management
104
VOYA Investment Management
Georgia
$406K – – –
FMT
105
First Mercantile Trust
Tennessee
$371K -$14.4K -229 -4%
PG
106
PEAK6 Group
Illinois
$305K +$305K +4,842 New
AQR Capital Management
107
AQR Capital Management
Connecticut
$305K +$305K +4,844 New
RHBC
108
R.H. Bluestein & Co
Michigan
$283K +$283K +4,500 New
Principal Financial Group
109
Principal Financial Group
Iowa
$257K +$23K +366 +10%
QSS
110
Quantitative Systematic Strategies
Florida
$223K -$3.22K -51 -1%
UBS AM
111
UBS AM
Illinois
$220K +$220K +3,500 New
TAM
112
Tocqueville Asset Management
New York
$220K +$220K +3,500 New
BA
113
Boston Advisors
Massachusetts
$213K +$213K +3,387 New
AIM
114
Alambic Investment Management
California
$208K +$208K +3,300 New
BM
115
Brandywine Managers
Delaware
$202K +$202K +3,212 New
BNP Paribas Financial Markets
116
BNP Paribas Financial Markets
France
$185K -$6.99K -111 -4%
Legal & General Group
117
Legal & General Group
United Kingdom
$159K -$54.3K -863 -25%
CIBC Private Wealth Group
118
CIBC Private Wealth Group
Georgia
$157K – – –
PCM
119
Prelude Capital Management
New York
$134K +$134K +2,129 New
SG Americas Securities
120
SG Americas Securities
New York
$112K +$112K +1,782 New
Zurich Cantonal Bank
121
Zurich Cantonal Bank
Switzerland
$87K +$57.6K +913 +196%
NIT
122
NumerixS Investment Technologies
British Columbia, Canada
$85K +$85K +1,400 New
AIP
123
Ameritas Investment Partners
Nebraska
$74K – – –
TRCT
124
Tower Research Capital (TRC)
New York
$71K +$71K +1,122 New
SEI Investments
125
SEI Investments
Pennsylvania
$71K +$71K +1,140 New
3 4
5
6 7