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iRhythm Holdings

174 hedge funds and large institutions have $2.07B invested in iRhythm Holdings in 2019 Q1 according to their latest regulatory filings, with 35 funds opening new positions, 69 increasing their positions, 56 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

67% more first-time investments, than exits

New positions opened: 35 | Existing positions closed: 21

23% more repeat investments, than reductions

Existing positions increased: 69 | Existing positions reduced: 56

16% more capital invested

Capital invested by funds: $1.78B → $2.07B (+$288M)

9% more funds holding

Funds holding: 160174 (+14)

6.87% more ownership

Funds ownership: 105.99%112.86% (+6.9%)

69% less call options, than puts

Call options by funds: $10.1M | Put options by funds: $32.1M

Holders
174
Holders Change
+14
Holders Change %
+8.75%
% of All Funds
3.77%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
35
Increased
69
Reduced
56
Closed
21
Calls
$10.1M
Puts
$32.1M
Net Calls
-$22M
Net Calls Change
-$17.5M
Name Holding Trade Value Shares
Change
Change in
Stake
California State Teachers Retirement System (CalSTRS)
76
California State Teachers Retirement System (CalSTRS)
California
$2.77M -$70.2K -821 -2%
CS
77
Credit Suisse
Switzerland
$2.53M +$1.06M +12,402 +58%
Swiss National Bank
78
Swiss National Bank
Switzerland
$2.47M +$103K +1,200 +4%
PP
79
PDT Partners
New York
$2.46M -$598 -7 -0%
PPA
80
Parametric Portfolio Associates
Washington
$2.4M -$396K -4,634 -13%
First Trust Advisors
81
First Trust Advisors
Illinois
$2.29M -$873K -10,216 -25%
AR
82
Advisory Research
Illinois
$2.25M +$437K +5,117 +21%
CSS
83
Cubist Systematic Strategies
Connecticut
$2.18M +$2.22M +25,948 +828%
AAMU
84
Amundi Asset Management US
Massachusetts
$1.91M +$2.18M +25,500 New
SI
85
Shaker Investments
Ohio
$1.87M +$2.13M +24,954 New
Balyasny Asset Management
86
Balyasny Asset Management
Illinois
$1.87M -$1.92M -22,473 -47%
Los Angeles Capital Management
87
Los Angeles Capital Management
California
$1.74M -$477K -5,580 -19%
MFAM
88
Motley Fool Asset Management
Virginia
$1.69M +$318K +3,720 +20%
Tudor Investment Corp
89
Tudor Investment Corp
Connecticut
$1.49M +$462K +5,405 +37%
Lazard Asset Management
90
Lazard Asset Management
New York
$1.4M
EAM
91
EULAV Asset Management
Florida
$1.38M +$1.73M +20,200 New
SG Americas Securities
92
SG Americas Securities
New York
$1.37M -$1.25M -14,640 -45%
WMSA
93
Weiss Multi-Strategy Advisers
New York
$1.2M -$342K -4,000 -20%
Manulife (Manufacturers Life Insurance)
94
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$1.18M +$76K +889 +6%
AIG
95
American International Group
New York
$1.15M -$42.6K -498 -3%
Principal Financial Group
96
Principal Financial Group
Iowa
$1.12M +$42.6K +499 +3%
Allianz Asset Management
97
Allianz Asset Management
Germany
$1.1M +$418K +4,896 +50%
RCAMU
98
Rothschild & Co Asset Management US
Connecticut
$1.07M -$1.09M -12,714 -47%
Simplex Trading
99
Simplex Trading
Illinois
$1.05M +$1.2M +14,068 New
UBS AM
100
UBS AM
Illinois
$1M +$444K +5,192 +64%

IRTC Hedge Fund Activity: Q1 2019 in Review

174 of the 4,621 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q1 2019, worth a combined $2.07B — up 16% from $1.78B a quarter earlier.

Buyers outnumbered sellers: 35 funds opened new IRTC positions and 21 closed out — a net gain of 14 holders — while 69 added to existing stakes and 56 trimmed.

The largest buyer was Fred Alger Management, adding an estimated $41M. The largest seller was OppenheimerFunds, cutting an estimated $17.9M.

  • 174 institutional investors held iRhythm Holdings (IRTC) as of Q1 2019, up from 160 in Q4 2018.
  • Funds reported $2.07B of iRhythm Holdings stock for Q1 2019, up 16% quarter-over-quarter.
  • 35 funds opened new iRhythm Holdings positions in Q1 2019 and 21 closed out, a net change of +14 holders.
  • The largest iRhythm Holdings buyer in Q1 2019 was Fred Alger Management, an estimated $41M added.
  • The largest iRhythm Holdings seller in Q1 2019 was OppenheimerFunds, an estimated $17.9M sold.

Based on aggregated 13F filings for Q1 2019.