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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
AC
51
Ascend Capital
California
$5.37M +$38.5K +622 +0.7%
Balyasny Asset Management
52
Balyasny Asset Management
Illinois
$4.46M +$1.42M +22,901 +48%
EI
53
EAM Investors
California
$4.34M -$229K -3,707 -5%
TCIM
54
TIAA CREF Investment Management
New York
$3.9M -$838K -13,539 -18%
Citigroup
55
Citigroup
New York
$3.63M -$50.1K -810 -1%
Morgan Stanley
56
Morgan Stanley
New York
$3.59M -$224K -3,626 -6%
AR
57
Advisory Research
Illinois
$3.55M -$2.55M -41,200 -42%
California Public Employees Retirement System
58
California Public Employees Retirement System
California
$3.1M +$2.24M +36,157 +276%
First Trust Advisors
59
First Trust Advisors
Illinois
$2.86M +$2.81M +45,378 New
TA
60
Teachers Advisors
New York
$2.85M -$722K -11,656 -20%
PPA
61
Parametric Portfolio Associates
Washington
$2.67M -$199K -3,221 -7%
MOACM
62
Mutual of America Capital Management
New York
$2.66M
OCM
63
Osterweis Capital Management
California
$2.54M -$520K -8,400 -17%
LCG
64
Lisanti Capital Growth
New York
$2.46M +$1.05M +16,950 +76%
Two Sigma Investments
65
Two Sigma Investments
New York
$2.22M +$1.27M +20,589 +140%
BG
66
Bellevue Group
Switzerland
$2.1M
Invesco
67
Invesco
Georgia
$1.93M +$1.9M +30,712 New
RCAMU
68
Rothschild & Co Asset Management US
Connecticut
$1.87M -$207K -3,351 -10%
EGI
69
EAM Global Investors
California
$1.79M
SSA
70
Schonfeld Strategic Advisors
New York
$1.75M +$1.19M +19,217 +224%
Two Sigma Advisers
71
Two Sigma Advisers
New York
$1.73M +$1.34M +21,600 +366%
ERSOT
72
Employees Retirement System of Texas
Texas
$1.64M
Russell Investments Group
73
Russell Investments Group
United Kingdom
$1.59M -$282K -4,552 -15%
D.E. Shaw & Co
74
D.E. Shaw & Co
New York
$1.59M -$3.4M -54,852 -68%
SI
75
Shaker Investments
Ohio
$1.47M +$1.15M +18,618 +396%

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.