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iRhythm Holdings
IRTC

64 hedge funds and large institutions have $493M invested in iRhythm Holdings 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.

New
Increased
Maintained
Reduced
Closed

56% more capital invested

Capital invested by funds: $317M → $493M (+$176M)

50% more funds holding in top 10

Funds holding in top 10: 2 → 3 (+1)

47% more repeat investments, than reductions

Existing positions increased: 25 | Existing positions reduced: 17

21% more first-time investments, than exits

New positions opened: 17 | Existing positions closed: 14

11.55% more ownership

Funds ownership: 47.75% → 59.3% (+12%)

3% less funds holding

Funds holding: 66 → 64 (-2)

Holders
64
Holders Change
-2
Holders Change %
-3.03%
% of All Funds
1.59%
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
New Leaf Venture Partners
New York
+$59.9M
2
TCM
TimesSquare Capital Management
New York
+$25.4M
3
BlackRock
BlackRock
New York
+$18.5M
4
PC
PointState Capital
New York
+$13.9M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$7.81M

Top Sellers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
-$9.57M
2
RG
Redmile Group
California
-$6.86M
3
YCMGA
York Capital Management Global Advisors
New York
-$6.76M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$4.13M
5
Jennison Associates
Jennison Associates
New York
-$3.74M
Name Holding Trade Value Shares
Change 		Change in
Stake
GGHC
26
Gilder Gagnon Howe & Co
New York
$3.66M -$10.3K -300 -0.3%
Jennison Associates
27
Jennison Associates
New York
$3.63M -$3.74M -108,723 -53%
Northern Trust
28
Northern Trust
Illinois
$3.4M +$210K +6,118 +7%
Renaissance Technologies
29
Renaissance Technologies
New York
$3.28M +$3M +87,200 New
Goldman Sachs
30
Goldman Sachs
New York
$3.13M +$2.25M +65,259 +363%
Geode Capital Management
31
Geode Capital Management
Massachusetts
$2.99M -$212K -6,168 -7%
FCMI
32
Foresite Capital Management III
California
$2.63M -$3.31M -96,200 -58%
Lazard Asset Management
33
Lazard Asset Management
New York
$2.63M -$52.5K -1,525 -2%
TCIM
34
TIAA CREF Investment Management
New York
$2.38M +$1.57M +45,588 +260%
TA
35
Teachers Advisors
New York
$2.34M +$1.71M +49,845 +401%
Deutsche Bank
36
Deutsche Bank
Germany
$1.5M +$773K +22,469 +128%
SIM
37
Spark Investment Management
New York
$1.33M +$506K +14,700 +71%
Charles Schwab
38
Charles Schwab
California
$1.09M +$280K +8,145 +39%
Mackenzie Financial
39
Mackenzie Financial
Ontario, Canada
$1.07M +$981K +28,500 New
Bank of New York Mellon
40
Bank of New York Mellon
New York
$814K +$129K +3,743 +21%
EI
41
EAM Investors
California
$783K +$717K +20,836 New
CCI
42
Columbus Circle Investors
$714K +$654K +18,998 New
LCG
43
Lisanti Capital Growth
New York
$708K +$648K +18,825 New
Morgan Stanley
44
Morgan Stanley
New York
$600K -$252K -7,329 -31%
California State Teachers Retirement System (CalSTRS)
45
California State Teachers Retirement System (CalSTRS)
California
$530K -$24.1K -700 -5%
WMSA
46
Weiss Multi-Strategy Advisers
New York
$376K – – –
MF
47
Magnetar Financial
Illinois
$280K +$256K +7,445 New
JP Morgan Chase
48
JP Morgan Chase
New York
$260K -$1.28M -37,110 -84%
Manulife (Manufacturers Life Insurance)
49
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$228K +$83.9K +2,439 +67%
RhumbLine Advisers
50
RhumbLine Advisers
Massachusetts
$228K +$209K +6,066 New
1
2
3 4

IRTC Hedge Fund Activity: Q1 2017 in Review

64 of the 4,017 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q1 2017, worth a combined $493M — up 56% from $317M a quarter earlier.

Buyers outnumbered sellers: 17 funds opened new IRTC positions and 14 closed out — a net gain of 3 holders — while 25 added to existing stakes and 17 trimmed.

The largest buyer was New Leaf Venture Partners, opening a new position worth an estimated $59.9M. The largest seller was Point72 Asset Management, exiting entirely with an estimated $9.57M sold.

  • 64 institutional investors held iRhythm Holdings (IRTC) as of Q1 2017, down from 66 in Q4 2016.
  • Funds reported $493M of iRhythm Holdings stock for Q1 2017, up 56% quarter-over-quarter.
  • 17 funds opened new iRhythm Holdings positions in Q1 2017 and 14 closed out, a net change of +3 holders.
  • The largest iRhythm Holdings buyer in Q1 2017 was New Leaf Venture Partners, an estimated $59.9M added.
  • The largest iRhythm Holdings seller in Q1 2017 was Point72 Asset Management, an estimated $9.57M sold.

Based on aggregated 13F filings for Q1 2017.