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iRhythm Holdings

100 hedge funds and large institutions have $900M invested in iRhythm Holdings in 2017 Q2 according to their latest regulatory filings, with 42 funds opening new positions, 45 increasing their positions, 11 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

600% more first-time investments, than exits

New positions opened: 42 | Existing positions closed: 6

309% more repeat investments, than reductions

Existing positions increased: 45 | Existing positions reduced: 11

82% more capital invested

Capital invested by funds: $493M → $900M (+$407M)

56% more funds holding

Funds holding: 64100 (+36)

36.05% more ownership

Funds ownership: 59.3%95.35% (+36%)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

100% less call options, than puts

Call options by funds: $0 | Put options by funds: $357K

Holders
100
Holders Change
+36
Holders Change %
+56.25%
% of All Funds
2.49%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
42
Increased
45
Reduced
11
Closed
6
Calls
Puts
$357K
Net Calls
-$357K
Net Calls Change
-$357K
Name Holding Trade Value Shares
Change
Change in
Stake
Capital Research Global Investors
1
Capital Research Global Investors
California
$102M +$44.4M +1,218,580 +103%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$65.6M +$44.5M +1,222,886 +382%
CWAM
3
Columbia Wanger Asset Management
Illinois
$49.3M +$20.8M +570,120 +97%
Franklin Resources
4
Franklin Resources
California
$47.1M +$1.94M +53,260 +5%
TCM
5
TimesSquare Capital Management
New York
$45M +$11.7M +322,300 +44%
BlackRock
6
BlackRock
New York
$41.7M +$15.6M +428,413 +78%
AllianceBernstein
7
AllianceBernstein
Tennessee
$37.6M +$27.9M +765,218 +644%
Millennium Management
8
Millennium Management
New York
$34.6M +$19.7M +542,185 +199%
NLVP
9
New Leaf Venture Partners
New York
$28.3M -$39.2M -1,075,624 -62%
Bank of New York Mellon
10
Bank of New York Mellon
New York
$25.8M +$21.3M +585,390 +2,702%
Point72 Asset Management
11
Point72 Asset Management
Connecticut
$25.6M +$21.9M +602,000 New
NCGI
12
Next Century Growth Investors
Minnesota
$24M +$14.4M +394,847 +234%
PC
13
PointState Capital
New York
$22.2M +$4.34M +119,200 +30%
MWNA
14
Marshall Wace North America
New York
$21.3M +$18.5M +507,133 New
RG
15
Redmile Group
California
$20.2M +$17.3M +476,341 New
Citadel Advisors
16
Citadel Advisors
Florida
$18.8M +$9.34M +256,586 +138%
Vanguard Group
17
Vanguard Group
Pennsylvania
$17.9M +$4.19M +115,146 +38%
WRF
18
Waddell & Reed Financial
Kansas
$17.8M -$137K -3,770 -0.9%
Wells Fargo
19
Wells Fargo
California
$15.5M +$503K +13,803 +4%
Lord, Abbett & Co
20
Lord, Abbett & Co
New Jersey
$14M +$4.93M +135,256 +70%
AC
21
Ascend Capital
California
$12.9M +$11M +302,700 New
PA
22
Perceptive Advisors
New York
$12M +$430K +11,800 +4%
Renaissance Technologies
23
Renaissance Technologies
New York
$11.7M +$6.83M +187,600 +215%
SPPAM
24
Summit Partners Public Asset Management
Massachusetts
$11M +$9.47M +260,000 New
Adage Capital Partners
25
Adage Capital Partners
Massachusetts
$10.6M +$9.1M +250,000 New

IRTC Hedge Fund Activity: Q2 2017 in Review

100 of the 4,011 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q2 2017, worth a combined $900M — up 82% from $493M a quarter earlier.

Buyers outnumbered sellers: 42 funds opened new IRTC positions and 6 closed out — a net gain of 36 holders — while 45 added to existing stakes and 11 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $44.5M. The largest seller was Novo Holdings A/S, exiting entirely with an estimated $76.1M sold.

  • 100 institutional investors held iRhythm Holdings (IRTC) as of Q2 2017, up from 64 in Q1 2017.
  • Funds reported $900M of iRhythm Holdings stock for Q2 2017, up 82% quarter-over-quarter.
  • 42 funds opened new iRhythm Holdings positions in Q2 2017 and 6 closed out, a net change of +36 holders.
  • The largest iRhythm Holdings buyer in Q2 2017 was Fidelity Investments, an estimated $44.5M added.
  • The largest iRhythm Holdings seller in Q2 2017 was Novo Holdings A/S, an estimated $76.1M sold.

Based on aggregated 13F filings for Q2 2017.