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iRhythm Technologies
IRTC

Overview Fund Activity

106 hedge funds and large institutions have $1.17B invested in iRhythm Technologies in 2017 Q3 according to their latest regulatory filings, with 13 funds opening new positions, 42 increasing their positions, 40 reducing their positions, and 7 closing their positions.

Holders
106
Holders Change
+6
Holders Change %
+6%
% of All Funds
2.65%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.07%
New
13
Increased
42
Reduced
40
Closed
7
Calls
$296K
Puts
$1.13M
Net Calls
-$835K
Net Calls Change
-$478K

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$112M
2
BlackRock
2
BlackRock
New York
$77M
3
RSCM
3
Rock Springs Capital Management
Maryland
$20M
4
Vanguard Group
4
Vanguard Group
Pennsylvania
$38M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$16.2M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$16.8M
2
PC
2
PointState Capital
New York
$0
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$13.9M
4
TCM
4
TimesSquare Capital Management
New York
$41.3M
5
AC
5
Ascend Capital
California
$3M
Name Holding Trade Value Shares
Change 		Shares
Change %
Charles Schwab
51
Charles Schwab
California
$3.97M +$1.88M +36,315 +90%
Royal Bank of Canada
52
Royal Bank of Canada
Ontario, Canada
$3.28M +$3.23M +62,183 +6,552%
SO
53
STRS Ohio
Ohio
$3.2M +$3.2M +61,688 New
ACM
54
Atika Capital Management
New York
$3.19M +$3.19M +61,500 New
AC
55
Ascend Capital
California
$3M -$12.7M -244,891 -81%
PPA
56
Parametric Portfolio Associates
Washington
$2.97M +$1.51M +29,190 +104%
OCM
57
Osterweis Capital Management
California
$2.93M -$1.08M -20,745 -27%
TA
58
Teachers Advisors
New York
$2.92M -$311K -6,000 -10%
Lazard Asset Management
59
Lazard Asset Management
New York
$2.79M -$711K -13,700 -20%
Balyasny Asset Management
60
Balyasny Asset Management
Illinois
$2.38M -$36.3K -700 -2%
ECM
61
Endurant Capital Management
California
$2.3M -$6.29M -121,200 -73%
FA
62
Friess Associates
Delaware
$2.17M -$151K -2,915 -7%
NFA
63
Nationwide Fund Advisors
Ohio
$1.88M +$1.48M +28,473 +363%
BG
64
Bellevue Group
Switzerland
$1.73M +$514K +9,900 +42%
Russell Investments Group
65
Russell Investments Group
United Kingdom
$1.71M +$644K +12,422 +60%
Morgan Stanley
66
Morgan Stanley
New York
$1.57M -$1.7M -32,689 -52%
ERSOT
67
Employees Retirement System of Texas
Texas
$1.35M -$778K -15,000 -37%
California State Teachers Retirement System (CalSTRS)
68
California State Teachers Retirement System (CalSTRS)
California
$1.15M -$121K -2,335 -10%
Neuberger Berman Group
69
Neuberger Berman Group
New York
$1.09M -$1.3M -25,000 -54%
Mackenzie Financial
70
Mackenzie Financial
Ontario, Canada
$1.07M -$408K -7,870 -28%
WMSA
71
Weiss Multi-Strategy Advisers
New York
$1.04M -$234K -4,500 -18%
Goldman Sachs
72
Goldman Sachs
New York
$984K +$117K +2,253 +13%
TAM
73
Trillium Asset Management
Massachusetts
$946K +$15.4K +297 +2%
RhumbLine Advisers
74
RhumbLine Advisers
Massachusetts
$827K +$9.86K +190 +1%
LCG
75
Lisanti Capital Growth
New York
$799K +$168K +3,240 +27%
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3
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