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iRhythm Holdings

106 hedge funds and large institutions have $1.17B invested in iRhythm Holdings 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.

New
Increased
Maintained
Reduced
Closed

86% more first-time investments, than exits

New positions opened: 13 | Existing positions closed: 7

50% more funds holding in top 10

Funds holding in top 10: 23 (+1)

29% more capital invested

Capital invested by funds: $900M → $1.17B (+$266M)

6% more funds holding

Funds holding: 100106 (+6)

3.52% more ownership

Funds ownership: 95.35%98.88% (+3.5%)

5% more repeat investments, than reductions

Existing positions increased: 42 | Existing positions reduced: 40

74% less call options, than puts

Call options by funds: $296K | Put options by funds: $1.13M

Holders
106
Holders Change
+6
Holders Change %
+6%
% of All Funds
2.64%
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
Name Holding Trade Value Shares
Change
Change in
Stake
Capital Research Global Investors
1
Capital Research Global Investors
California
$124M
Fidelity Investments
2
Fidelity Investments
Massachusetts
$112M +$27.7M +612,656 +40%
BlackRock
3
BlackRock
New York
$77M +$22.8M +503,005 +51%
CWAM
4
Columbia Wanger Asset Management
Illinois
$59.1M -$869K -19,192 -2%
Franklin Resources
5
Franklin Resources
California
$55.3M -$2M -44,108 -4%
AllianceBernstein
6
AllianceBernstein
Tennessee
$52M +$5.38M +118,904 +13%
TCM
7
TimesSquare Capital Management
New York
$41.3M -$11.9M -263,610 -25%
Bank of New York Mellon
8
Bank of New York Mellon
New York
$38.3M +$5.9M +130,217 +21%
Vanguard Group
9
Vanguard Group
Pennsylvania
$38M +$14.1M +311,703 +74%
NLVP
10
New Leaf Venture Partners
New York
$36.5M +$1.71M +37,776 +6%
Wells Fargo
11
Wells Fargo
California
$31.6M +$11.1M +244,411 +67%
RG
12
Redmile Group
California
$28.6M +$3.43M +75,700 +16%
NCGI
13
Next Century Growth Investors
Minnesota
$21.5M -$6.79M -150,015 -27%
WRF
14
Waddell & Reed Financial
Kansas
$20.9M -$652K -14,400 -3%
RSCM
15
Rock Springs Capital Management
Maryland
$20M +$17.5M +386,000 New
PA
16
Perceptive Advisors
New York
$19.3M +$4.07M +89,814 +32%
Millennium Management
17
Millennium Management
New York
$16.8M -$22.3M -492,150 -60%
Citadel Advisors
18
Citadel Advisors
Florida
$16.8M -$5.42M -119,759 -27%
JP Morgan Chase
19
JP Morgan Chase
New York
$16.2M +$14M +310,171 +9,693%
Lord, Abbett & Co
20
Lord, Abbett & Co
New Jersey
$16M -$936K -20,673 -6%
MWNA
21
Marshall Wace North America
New York
$15.4M -$9.51M -210,109 -41%
SPPAM
22
Summit Partners Public Asset Management
Massachusetts
$14M +$453K +10,000 +4%
Point72 Asset Management
23
Point72 Asset Management
Connecticut
$13.9M -$15.1M -333,549 -55%
Adage Capital Partners
24
Adage Capital Partners
Massachusetts
$13M
Massachusetts Financial Services
25
Massachusetts Financial Services
Massachusetts
$12.4M +$65.7K +1,450 +0.6%

IRTC Hedge Fund Activity: Q3 2017 in Review

106 of the 4,011 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q3 2017, worth a combined $1.17B — up 29% from $900M a quarter earlier.

Buyers outnumbered sellers: 13 funds opened new IRTC positions and 7 closed out — a net gain of 6 holders — while 42 added to existing stakes and 40 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $27.7M. The largest seller was Millennium Management, cutting an estimated $22.3M.

  • 106 institutional investors held iRhythm Holdings (IRTC) as of Q3 2017, up from 100 in Q2 2017.
  • Funds reported $1.17B of iRhythm Holdings stock for Q3 2017, up 29% quarter-over-quarter.
  • 13 funds opened new iRhythm Holdings positions in Q3 2017 and 7 closed out, a net change of +6 holders.
  • The largest iRhythm Holdings buyer in Q3 2017 was Fidelity Investments, an estimated $27.7M added.
  • The largest iRhythm Holdings seller in Q3 2017 was Millennium Management, an estimated $22.3M sold.

Based on aggregated 13F filings for Q3 2017.