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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 Market Value Shares Shares
Change 		Shares
Change %
Capital Research Global Investors
1
Capital Research Global Investors
California
$154M 2,439,180 – –
Fidelity Investments
2
Fidelity Investments
Massachusetts
$119M 1,896,462 -173,348 -8%
BlackRock
3
BlackRock
New York
$102M 1,621,618 +17,368 +1%
Franklin Resources
4
Franklin Resources
California
$67.1M 1,065,716 +15,200 +1%
AllianceBernstein
5
AllianceBernstein
Tennessee
$58.4M 927,168 -88,958 -9%
Vanguard Group
6
Vanguard Group
Pennsylvania
$47.9M 761,642 +3,176 +0.4%
Ameriprise
7
Ameriprise
Minnesota
$47.6M 756,646 +626,737 +482%
RG
8
Redmile Group
California
$45.9M 729,874 -84,700 -10%
Wells Fargo
9
Wells Fargo
California
$43.9M 696,746 +364,422 +110%
TCM
10
TimesSquare Capital Management
New York
$42.9M 681,120 +14,500 +2%
BCM
11
Brown Capital Management
Maryland
$42.9M 680,922 +590,772 +655%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$41.2M 654,781 -101,919 -13%
JPMorgan Chase & Co
13
JPMorgan Chase & Co
New York
$39.3M 624,595 +106,030 +20%
Millennium Management
14
Millennium Management
New York
$39.1M 620,500 +187,413 +43%
Point72 Asset Management
15
Point72 Asset Management
Connecticut
$34.8M 552,859 +82,760 +18%
RSCM
16
Rock Springs Capital Management
Maryland
$30.1M 477,500 +71,500 +18%
WRF
17
Waddell & Reed Financial
Kansas
$30M 477,298 -3,530 -0.7%
PA
18
Perceptive Advisors
New York
$26.4M 419,706 -7,665 -2%
Norges Bank
19
Norges Bank
Norway
$26.3M 417,405 +79,846 +24%
Renaissance Technologies
20
Renaissance Technologies
New York
$25.5M 405,300 +161,000 +66%
Fidelity International
21
Fidelity International
Bermuda
$23.3M 370,238 -6,538 -2%
Loomis, Sayles & Company
22
Loomis, Sayles & Company
Massachusetts
$22.4M 355,997 +20,509 +6%
PC
23
Polar Capital
United Kingdom
$20.3M 322,489 +322,489 New
State Street
24
State Street
Massachusetts
$20.1M 319,628 +6,945 +2%
NCGI
25
Next Century Growth Investors
Minnesota
$19.5M 310,194 -80,232 -21%
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