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iRhythm Holdings

141 hedge funds and large institutions have $1.52B invested in iRhythm Holdings 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.

New
Increased
Maintained
Reduced
Closed

240% more first-time investments, than exits

New positions opened: 34 | Existing positions closed: 10

147% more call options, than puts

Call options by funds: $4.21M | Put options by funds: $1.7M

19% more funds holding

Funds holding: 118141 (+23)

17% more capital invested

Capital invested by funds: $1.3B → $1.52B (+$221M)

2.11% more ownership

Funds ownership: 100.73%102.84% (+2.1%)

9% less repeat investments, than reductions

Existing positions increased: 43 | Existing positions reduced: 47

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
141
Holders Change
+23
Holders Change %
+19.49%
% of All Funds
3.23%
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
+$2.5M
Net Calls Change
+$3.85M
Name Holding Trade Value Shares
Change
Change in
Stake
Capital Research Global Investors
1
Capital Research Global Investors
California
$154M
Fidelity Investments
2
Fidelity Investments
Massachusetts
$119M -$10.7M -173,348 -8%
BlackRock
3
BlackRock
New York
$102M +$1.08M +17,368 +1%
Franklin Resources
4
Franklin Resources
California
$67.1M +$941K +15,200 +1%
AllianceBernstein
5
AllianceBernstein
Tennessee
$58.4M -$5.51M -88,958 -9%
Vanguard Group
6
Vanguard Group
Pennsylvania
$47.9M +$197K +3,176 +0.4%
Ameriprise
7
Ameriprise
Minnesota
$47.6M +$38.8M +626,737 +482%
RG
8
Redmile Group
California
$45.9M -$5.24M -84,700 -10%
Wells Fargo
9
Wells Fargo
California
$43.9M +$22.6M +364,422 +110%
TCM
10
TimesSquare Capital Management
New York
$42.9M +$898K +14,500 +2%
BCM
11
Brown Capital Management
Maryland
$42.9M +$36.6M +590,772 +655%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$41.2M -$6.31M -101,919 -13%
JP Morgan Chase
13
JP Morgan Chase
New York
$39.3M +$6.56M +106,030 +20%
Millennium Management
14
Millennium Management
New York
$39.1M +$11.6M +187,413 +43%
Point72 Asset Management
15
Point72 Asset Management
Connecticut
$34.8M +$5.12M +82,760 +18%
RSCM
16
Rock Springs Capital Management
Maryland
$30.1M +$4.43M +71,500 +18%
WRF
17
Waddell & Reed Financial
Kansas
$30M -$219K -3,530 -0.7%
PA
18
Perceptive Advisors
New York
$26.4M -$475K -7,665 -2%
Norges Bank
19
Norges Bank
Norway
$26.3M +$4.94M +79,846 +24%
Renaissance Technologies
20
Renaissance Technologies
New York
$25.5M +$9.97M +161,000 +66%
Fidelity International
21
Fidelity International
Bermuda
$23.3M -$405K -6,538 -2%
Loomis, Sayles & Company
22
Loomis, Sayles & Company
Massachusetts
$22.4M +$1.27M +20,509 +6%
PC
23
Polar Capital
United Kingdom
$20.3M +$20M +322,489 New
State Street
24
State Street
Massachusetts
$20.1M +$430K +6,945 +2%
NCGI
25
Next Century Growth Investors
Minnesota
$19.5M -$4.97M -80,232 -21%

IRTC Hedge Fund Activity: Q1 2018 in Review

141 of the 4,363 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q1 2018, worth a combined $1.52B — up 17% from $1.3B a quarter earlier.

Buyers outnumbered sellers: 34 funds opened new IRTC positions and 10 closed out — a net gain of 24 holders — while 43 added to existing stakes and 47 trimmed.

The largest buyer was Ameriprise, adding an estimated $38.8M. The largest seller was Citadel Advisors, cutting an estimated $26.4M.

  • 141 institutional investors held iRhythm Holdings (IRTC) as of Q1 2018, up from 118 in Q4 2017.
  • Funds reported $1.52B of iRhythm Holdings stock for Q1 2018, up 17% quarter-over-quarter.
  • 34 funds opened new iRhythm Holdings positions in Q1 2018 and 10 closed out, a net change of +24 holders.
  • The largest iRhythm Holdings buyer in Q1 2018 was Ameriprise, an estimated $38.8M added.
  • The largest iRhythm Holdings seller in Q1 2018 was Citadel Advisors, an estimated $26.4M sold.

Based on aggregated 13F filings for Q1 2018.