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iRhythm Technologies
IRTC

Overview Fund Activity

64 hedge funds and large institutions have $493M invested in iRhythm Technologies in 2017 Q1 according to their latest regulatory filings, with 17 funds opening new positions, 25 increasing their positions, 17 reducing their positions, and 14 closing their positions.

Holders
64
Holders Change
-2
Holders Change %
-3.03%
% of All Funds
1.6%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.07%
New
17
Increased
25
Reduced
17
Closed
14
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
NLVP
1
New Leaf Venture Partners
New York
$65.5M
2
TCM
2
TimesSquare Capital Management
New York
$27.7M
3
BlackRock
3
BlackRock
New York
$20.8M
4
PC
4
PointState Capital
New York
$15.2M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$11.5M

Top Sellers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$0
2
RG
2
Redmile Group
California
$0
3
YCMGA
3
York Capital Management Global Advisors
New York
$0
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$12M
5
Jennison Associates
5
Jennison Associates
New York
$3.63M
Name Market Value Shares Shares
Change 		Shares
Change %
NHAS
1
Novo Holdings A/S
Denmark
$76.1M 2,024,448 – –
NLVP
2
New Leaf Venture Partners
New York
$65.5M 1,741,589 +1,741,589 New
Capital Research Global Investors
3
Capital Research Global Investors
California
$44.4M 1,180,600 – –
Franklin Resources
4
Franklin Resources
California
$39.7M 1,056,353 -3,442 -0.3%
TCM
5
TimesSquare Capital Management
New York
$27.7M 737,930 +737,930 New
CWAM
6
Columbia Wanger Asset Management
Illinois
$22.2M 589,147 +35,300 +6%
BlackRock
7
BlackRock
New York
$20.8M 552,480 +537,661 +3,628%
WRF
8
Waddell & Reed Financial
Kansas
$15.8M 421,532 -42,410 -9%
PC
9
PointState Capital
New York
$15.2M 403,700 +403,700 New
Wells Fargo
10
Wells Fargo
California
$13.2M 350,973 +46,349 +15%
BOTOTLSJU
11
Board of Trustees of The Leland Stanford Junior University
California
$13.2M 350,501 +97,199 +38%
Fidelity Investments
12
Fidelity Investments
Massachusetts
$12M 320,000 -120,000 -27%
Vanguard Group
13
Vanguard Group
Pennsylvania
$11.5M 305,244 +227,050 +290%
Millennium Management
14
Millennium Management
New York
$10.3M 273,138 +211,119 +340%
PA
15
Perceptive Advisors
New York
$10.2M 271,057 -81,184 -23%
Lord, Abbett & Co
16
Lord, Abbett & Co
New Jersey
$7.27M 193,384 -2,117 -1%
Citadel Advisors
17
Citadel Advisors
Florida
$7M 186,124 +186,124 New
Massachusetts Financial Services
18
Massachusetts Financial Services
Massachusetts
$6.69M 177,958 -31,581 -15%
NCGI
19
Next Century Growth Investors
Minnesota
$6.36M 169,023 +68,244 +68%
Ameriprise
20
Ameriprise
Minnesota
$5.3M 141,088 +12,715 +10%
DCM
21
Driehaus Capital Management
Illinois
$4.96M 131,907 +5,111 +4%
AllianceBernstein
22
AllianceBernstein
Tennessee
$4.47M 118,768 +22,396 +23%
Federated Hermes
23
Federated Hermes
Pennsylvania
$4.29M 114,000 +14,000 +14%
T. Rowe Price Associates
24
T. Rowe Price Associates
Maryland
$3.97M 105,530 – –
State Street
25
State Street
Massachusetts
$3.91M 103,970 +40,113 +63%
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