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iRhythm Holdings

208 hedge funds and large institutions have $4.18B invested in iRhythm Holdings in 2023 Q1 according to their latest regulatory filings, with 33 funds opening new positions, 80 increasing their positions, 63 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 12 (+1)

43% more capital invested

Capital invested by funds: $2.92B → $4.18B (+$1.26B)

36% more call options, than puts

Call options by funds: $46.1M | Put options by funds: $33.9M

27% more repeat investments, than reductions

Existing positions increased: 80 | Existing positions reduced: 63

7.76% more ownership

Funds ownership: 103.43%111.19% (+7.8%)

3% more first-time investments, than exits

New positions opened: 33 | Existing positions closed: 32

0% more funds holding

Funds holding: 208208 (0)

Holders
208
Holders Change
Holders Change %
0%
% of All Funds
3.31%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
33
Increased
80
Reduced
63
Closed
32
Calls
$46.1M
Puts
$33.9M
Net Calls
+$12.2M
Net Calls Change
+$7.12M
Name Holding Trade Value Shares
Change
Change in
Stake
PCM
51
Peregrine Capital Management
Minnesota
$9.06M -$1.54M -14,233 -16%
CCM
52
Cinctive Capital Management
New York
$8.39M +$7.33M +67,614 New
Swiss National Bank
53
Swiss National Bank
Switzerland
$8.06M -$813K -7,500 -10%
SAM
54
Sectoral Asset Management
Quebec, Canada
$7.33M -$4.01M -37,000 -38%
Manulife (Manufacturers Life Insurance)
55
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$6.89M +$3.09M +28,447 +105%
BPC
56
Banque Pictet & Cie
Switzerland
$6.19M -$397K -3,656 -7%
California Public Employees Retirement System
57
California Public Employees Retirement System
California
$6.09M
State of Wisconsin Investment Board
58
State of Wisconsin Investment Board
Wisconsin
$6.02M -$639K -5,889 -11%
Carson Wealth (CWM LLC)
59
Carson Wealth (CWM LLC)
Nebraska
$6.01M +$1.1M +10,127 +26%
Jane Street
60
Jane Street
New York
$5.79M -$2.75M -25,332 -35%
D.E. Shaw & Co
61
D.E. Shaw & Co
New York
$5.28M -$1.41M -12,969 -23%
RhumbLine Advisers
62
RhumbLine Advisers
Massachusetts
$5.09M +$72.2K +666 +2%
California State Teachers Retirement System (CalSTRS)
63
California State Teachers Retirement System (CalSTRS)
California
$4.67M -$53.5K -493 -1%
BA
64
Bridgewater Associates
Connecticut
$4.44M +$144K +1,328 +4%
Axa
65
Axa
France
$4.34M +$242K +2,235 +7%
Deutsche Bank
66
Deutsche Bank
Germany
$4.24M +$652K +6,008 +21%
UBS AM
67
UBS AM
Illinois
$4.18M -$105K -965 -3%
Royal Bank of Canada
68
Royal Bank of Canada
Ontario, Canada
$4.14M -$189K -1,747 -5%
Squarepoint
69
Squarepoint
New York
$4.01M +$3.24M +29,882 +1,215%
IHAM
70
Integral Health Asset Management
New York
$3.72M +$1.08M +10,000 +50%
Canada Pension Plan Investment Board
71
Canada Pension Plan Investment Board
Ontario, Canada
$3.72M +$2.97M +27,400 +1,054%
Neuberger Berman Group
72
Neuberger Berman Group
New York
$3.6M +$246K +2,267 +8%
MOACM
73
Mutual of America Capital Management
New York
$3.48M -$140K -1,294 -4%
LOAMS
74
Lombard Odier Asset Management (Switzerland)
Switzerland
$3.24M -$7.23M -66,692 -72%
MJB
75
Mark J. Bradley
$3.14M +$397K +3,665 +17%

IRTC Hedge Fund Activity: Q1 2023 in Review

208 of the 6,275 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q1 2023, worth a combined $4.18B — up 43% from $2.92B a quarter earlier.

Buyers outnumbered sellers: 33 funds opened new IRTC positions and 32 closed out — a net gain of 1 holder — while 80 added to existing stakes and 63 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $244M. The largest seller was LTS One Management, cutting an estimated $32M.

  • 208 institutional investors held iRhythm Holdings (IRTC) as of Q1 2023, unchanged from Q4 2022.
  • Funds reported $4.18B of iRhythm Holdings stock for Q1 2023, up 43% quarter-over-quarter.
  • 33 funds opened new iRhythm Holdings positions in Q1 2023 and 32 closed out, a net change of +1 holder.
  • The largest iRhythm Holdings buyer in Q1 2023 was Fidelity Investments, an estimated $244M added.
  • The largest iRhythm Holdings seller in Q1 2023 was LTS One Management, an estimated $32M sold.

Based on aggregated 13F filings for Q1 2023.