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iRhythm Holdings

227 hedge funds and large institutions have $3.09B invested in iRhythm Holdings in 2024 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 71 increasing their positions, 83 reducing their positions, and 52 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 12 (+1)

22% more capital invested

Capital invested by funds: $2.54B → $3.09B (+$550M)

0.06% less ownership

Funds ownership: 109.74%109.68% (-0.06%)

6% less funds holding

Funds holding: 241227 (-14)

14% less repeat investments, than reductions

Existing positions increased: 71 | Existing positions reduced: 83

21% less first-time investments, than exits

New positions opened: 41 | Existing positions closed: 52

56% less call options, than puts

Call options by funds: $11.4M | Put options by funds: $25.8M

Holders
227
Holders Change
-14
Holders Change %
-5.81%
% of All Funds
2.99%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
41
Increased
71
Reduced
83
Closed
52
Calls
$11.4M
Puts
$25.8M
Net Calls
-$14.3M
Net Calls Change
-$44.2M
Name Holding Trade Value Shares
Change
Change in
Stake
MCM
101
Monimus Capital Management
New Jersey
$1.05M +$916K +11,659 New
WF
102
WoodTrust Financial
Wisconsin
$997K -$19.6K -250 -2%
PAMP
103
Polar Asset Management Partners
Ontario, Canada
$992K -$6.47M -82,300 -88%
Handelsbanken Fonder
104
Handelsbanken Fonder
Sweden
$977K +$47.1K +600 +6%
Ensign Peak Advisors
105
Ensign Peak Advisors
Utah
$960K
VOYA Investment Management
106
VOYA Investment Management
Georgia
$848K -$57.8K -735 -7%
State Board of Administration of Florida Retirement System
107
State Board of Administration of Florida Retirement System
Florida
$819K -$7.86K -100 -1%
ASRS
108
Arizona State Retirement System
Arizona
$816K +$7.07K +90 +1%
ProShare Advisors
109
ProShare Advisors
Maryland
$810K +$242K +3,079 +52%
SF
110
Synovus Financial
Georgia
$794K +$6.52K +83 +1%
ETC
111
Exchange Traded Concepts
Oklahoma
$777K -$194K -2,465 -22%
AQR Capital Management
112
AQR Capital Management
Connecticut
$747K +$651K +8,280 New
DT
113
Diversified Trust
Tennessee
$746K +$132K +1,677 +25%
Zurich Cantonal Bank
114
Zurich Cantonal Bank
Switzerland
$739K +$83.9K +1,068 +15%
CCM
115
Cinctive Capital Management
New York
$734K +$640K +8,141 New
AG
116
Ascent Group
Virginia
$731K +$73.5K +935 +13%
HighTower Advisors
117
HighTower Advisors
Illinois
$686K +$244K +3,102 +69%
Mitsubishi UFJ Asset Management
118
Mitsubishi UFJ Asset Management
Japan
$663K -$40.2K -512 -7%
Simplex Trading
119
Simplex Trading
Illinois
$643K -$1.15M -14,666 -67%
LNWWM
120
Laird Norton Wetherby Wealth Management
California
$607K +$529K +6,737 New
PFSRSONJ
121
Police & Firemen's Retirement System of New Jersey
New Jersey
$606K +$528K +6,716 New
KK
122
KLP Kapitalforvaltning
Norway
$595K +$519K +6,600 New
Qube Research & Technologies (QRT)
123
Qube Research & Technologies (QRT)
United Kingdom
$555K -$379K -4,824 -44%
SSA
124
Schonfeld Strategic Advisors
New York
$553K +$482K +6,138 New
N
125
Natixis
France
$541K +$471K +6,000 New

IRTC Hedge Fund Activity: Q4 2024 in Review

227 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q4 2024, worth a combined $3.09B — up 22% from $2.54B a quarter earlier.

Sellers outnumbered buyers: 52 funds closed out of IRTC and 41 opened new positions — a net loss of 11 holders — while 83 trimmed existing stakes and 71 added.

The largest buyer was Sands Capital Management, adding an estimated $82.8M. The largest seller was AllianceBernstein, cutting an estimated $92.1M.

  • 227 institutional investors held iRhythm Holdings (IRTC) as of Q4 2024, down from 241 in Q3 2024.
  • Funds reported $3.09B of iRhythm Holdings stock for Q4 2024, up 22% quarter-over-quarter.
  • 41 funds opened new iRhythm Holdings positions in Q4 2024 and 52 closed out, a net change of -11 holders.
  • The largest iRhythm Holdings buyer in Q4 2024 was Sands Capital Management, an estimated $82.8M added.
  • The largest iRhythm Holdings seller in Q4 2024 was AllianceBernstein, an estimated $92.1M sold.

Based on aggregated 13F filings for Q4 2024.