We are live on ! Find out more
IRTC icon

iRhythm Holdings
IRTC

223 hedge funds and large institutions have $3.12B invested in iRhythm Holdings in 2023 Q3 according to their latest regulatory filings, with 38 funds opening new positions, 78 increasing their positions, 75 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

138% more first-time investments, than exits

New positions opened: 38 | Existing positions closed: 16

16% more call options, than puts

Call options by funds: $40.1M | Put options by funds: $34.6M

10% more funds holding

Funds holding: 203 → 223 (+20)

4% more repeat investments, than reductions

Existing positions increased: 78 | Existing positions reduced: 75

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

0.9% less ownership

Funds ownership: 109.33% → 108.43% (-0.9%)

10% less capital invested

Capital invested by funds: $3.47B → $3.12B (-$354M)

Holders
223
Holders Change
+20
Holders Change %
+9.85%
% of All Funds
3.54%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
38
Increased
78
Reduced
75
Closed
16
Calls
$40.1M
Puts
$34.6M
Net Calls
+$5.49M
Net Calls Change
+$44.5M

Top Buyers

Rank Fund Capital Flow
1
Artisan Partners
Artisan Partners
Wisconsin
+$36.6M
2
SPC
Slate Path Capital
New York
+$29.9M
3
AllianceBernstein
AllianceBernstein
Tennessee
+$29.3M
4
Bank of New York Mellon
Bank of New York Mellon
New York
+$23.5M
5
Wellington Management Group
Wellington Management Group
Massachusetts
+$22.3M

Top Sellers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
-$77.7M
2
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$23.8M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$20.8M
4
Allspring Global Investments
Allspring Global Investments
North Carolina
-$18.1M
5
Invesco
Invesco
Georgia
-$15.8M
Name Holding Trade Value Shares
Change 		Change in
Stake
Renaissance Technologies
51
Renaissance Technologies
New York
$6.86M -$1.09M -10,700 -13%
Mirae Asset Global Investments
52
Mirae Asset Global Investments
South Korea
$6.55M -$266K -2,618 -4%
Swiss National Bank
53
Swiss National Bank
Switzerland
$6.32M +$61K +600 +0.9%
Millennium Management
54
Millennium Management
New York
$6.16M -$7.8M -76,750 -54%
State of Wisconsin Investment Board
55
State of Wisconsin Investment Board
Wisconsin
$5.02M +$618K +6,081 +13%
Wells Fargo
56
Wells Fargo
California
$4.52M -$822K -8,087 -14%
Ameriprise
57
Ameriprise
Minnesota
$4.48M -$1.61M -15,834 -25%
California Public Employees Retirement System
58
California Public Employees Retirement System
California
$4.43M – – –
WSL
59
Western Standard LLC
California
$4.3M +$294K +2,894 +7%
Jane Street
60
Jane Street
New York
$4.08M -$3.7M -36,369 -46%
RhumbLine Advisers
61
RhumbLine Advisers
Massachusetts
$4.06M +$72.8K +716 +2%
ECM
62
ExodusPoint Capital Management
New York
$3.88M +$4.18M +41,155 New
SAM
63
Silvercrest Asset Management
New York
$3.81M +$4.11M +40,400 New
Axa
64
Axa
France
$3.58M – – –
BPC
65
Banque Pictet & Cie
Switzerland
$3.5M +$801K +7,881 +27%
Neuberger Berman Group
66
Neuberger Berman Group
New York
$3.5M -$92.1K -906 -2%
PM
67
Prosight Management
Texas
$3.3M -$105K -1,030 -3%
TD Asset Management
68
TD Asset Management
Ontario, Canada
$3.2M +$1.12M +11,052 +48%
UBS AM
69
UBS AM
Illinois
$3.19M +$19.4K +191 +0.6%
California State Teachers Retirement System (CalSTRS)
70
California State Teachers Retirement System (CalSTRS)
California
$3.18M -$335K -3,297 -9%
Deutsche Bank
71
Deutsche Bank
Germany
$3.16M +$161K +1,580 +5%
Envestnet Asset Management
72
Envestnet Asset Management
Illinois
$3.12M +$1.78M +17,542 +113%
SAM
73
Sectoral Asset Management
Quebec, Canada
$3.11M +$305K +3,000 +10%
UBS Group
74
UBS Group
Switzerland
$3.06M -$1.11M -10,946 -25%
Man Group
75
Man Group
United Kingdom
$2.67M -$13.4M -131,545 Closed
1 2
3
4 5

IRTC Hedge Fund Activity: Q3 2023 in Review

223 of the 6,301 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q3 2023, worth a combined $3.12B — down 10% from $3.47B a quarter earlier.

Buyers outnumbered sellers: 38 funds opened new IRTC positions and 16 closed out — a net gain of 22 holders — while 78 added to existing stakes and 75 trimmed.

The largest buyer was Artisan Partners, adding an estimated $36.6M. The largest seller was Fidelity Investments, cutting an estimated $77.7M.

  • 223 institutional investors held iRhythm Holdings (IRTC) as of Q3 2023, up from 203 in Q2 2023.
  • Funds reported $3.12B of iRhythm Holdings stock for Q3 2023, down 10% quarter-over-quarter.
  • 38 funds opened new iRhythm Holdings positions in Q3 2023 and 16 closed out, a net change of +22 holders.
  • The largest iRhythm Holdings buyer in Q3 2023 was Artisan Partners, an estimated $36.6M added.
  • The largest iRhythm Holdings seller in Q3 2023 was Fidelity Investments, an estimated $77.7M sold.

Based on aggregated 13F filings for Q3 2023.