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iRhythm Technologies
IRTC

Overview Fund Activity

118 hedge funds and large institutions have $1.3B invested in iRhythm Technologies in 2017 Q4 according to their latest regulatory filings, with 27 funds opening new positions, 48 increasing their positions, 30 reducing their positions, and 15 closing their positions.

Holders
118
Holders Change
+12
Holders Change %
+11.32%
% of All Funds
2.68%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
27
Increased
48
Reduced
30
Closed
15
Calls
$2M
Puts
$3.35M
Net Calls
-$1.35M
Net Calls Change
-$511K

Top Buyers

1
Norges Bank
1
Norges Bank
Norway
$18.9M
2
Loomis, Sayles & Company
2
Loomis, Sayles & Company
Massachusetts
$18.8M
3
O
3
OppenheimerFunds
New York
$15.4M
4
Citadel Advisors
4
Citadel Advisors
Florida
$33.3M
5
RG
5
Redmile Group
California
$45.7M

Top Sellers

1
NLVP
1
New Leaf Venture Partners
New York
$18.4M
2
CWAM
2
Columbia Wanger Asset Management
Illinois
$45.3M
3
Wells Fargo
3
Wells Fargo
California
$18.6M
4
MWNA
4
Marshall Wace North America
New York
$0
5
CS
5
Credit Suisse
Switzerland
$657K
Name Holding Trade Value Shares
Change 		Shares
Change %
D.E. Shaw & Co
51
D.E. Shaw & Co
New York
$4.49M -$611K -10,897 -12%
TCIM
52
TIAA CREF Investment Management
New York
$4.23M -$3.26M -58,197 -44%
EI
53
EAM Investors
California
$4.07M -$1.63M -29,030 -29%
GTC
54
Ghost Tree Capital
New York
$3.64M -$3.92M -70,000 -52%
Morgan Stanley
55
Morgan Stanley
New York
$3.4M +$1.7M +30,409 +100%
Citigroup
56
Citigroup
New York
$3.28M +$3.25M +58,013 +12,291%
TA
57
Teachers Advisors
New York
$3.19M +$29.9K +533 +0.9%
OCM
58
Osterweis Capital Management
California
$2.74M -$430K -7,680 -14%
Balyasny Asset Management
59
Balyasny Asset Management
Illinois
$2.69M +$125K +2,233 +5%
PPA
60
Parametric Portfolio Associates
Washington
$2.56M -$658K -11,738 -20%
MOACM
61
Mutual of America Capital Management
New York
$2.37M +$2.37M +42,297 New
BG
62
Bellevue Group
Switzerland
$1.87M – – –
RCAMU
63
Rothschild & Co Asset Management US
Connecticut
$1.85M +$1.85M +33,037 New
New York State Common Retirement Fund
64
New York State Common Retirement Fund
New York
$1.7M +$867K +15,467 +105%
Russell Investments Group
65
Russell Investments Group
United Kingdom
$1.66M -$175K -3,163 -10%
EGI
66
EAM Global Investors
California
$1.59M +$1.59M +28,419 New
CCP
67
Clough Capital Partners
Massachusetts
$1.51M +$953K +17,000 +172%
Lazard Asset Management
68
Lazard Asset Management
New York
$1.48M -$1.53M -27,300 -51%
ERSOT
69
Employees Retirement System of Texas
Texas
$1.46M – – –
California State Teachers Retirement System (CalSTRS)
70
California State Teachers Retirement System (CalSTRS)
California
$1.26M +$23.4K +418 +2%
LCG
71
Lisanti Capital Growth
New York
$1.24M +$379K +6,765 +44%
WMSA
72
Weiss Multi-Strategy Advisers
New York
$1.23M +$112K +2,000 +10%
Jane Street
73
Jane Street
New York
$1.15M +$1.15M +20,592 New
TAM
74
Trillium Asset Management
Massachusetts
$1.06M +$38.5K +686 +4%
PP
75
Paloma Partners
Connecticut
$970K +$970K +17,298 New
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3
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