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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
Adage Capital Partners
51
Adage Capital Partners
Massachusetts
$9.02M +$7.86M +100,000 New
PCM
52
Peregrine Capital Management
Minnesota
$8.94M +$87.2K +1,110 +1%
SAM
53
Silvercrest Asset Management
New York
$8.58M -$27.9K -355 -0.4%
N
54
Nuveen
North Carolina
$8.4M -$311K -3,954 -4%
Holocene Advisors
55
Holocene Advisors
New York
$7.74M -$7.47M -95,132 -53%
HCA
56
Harbor Capital Advisors
Illinois
$7.66M +$394K +5,009 +6%
CWG
57
C WorldWide Group
Denmark
$7.21M
State of Wisconsin Investment Board
58
State of Wisconsin Investment Board
Wisconsin
$6.71M +$301K +3,836 +5%
Comerica Bank
59
Comerica Bank
Texas
$6.69M +$2.8M +35,687 +93%
Ameriprise
60
Ameriprise
Minnesota
$6.42M +$670K +8,528 +14%
PA
61
Perceptive Advisors
New York
$5.87M +$3.34M +42,562 +188%
EGM
62
Engineers Gate Manager
New York
$5.59M -$814K -10,365 -14%
Swiss National Bank
63
Swiss National Bank
Switzerland
$5.54M +$55K +700 +1%
Millennium Management
64
Millennium Management
New York
$5.43M -$16.1M -204,283 -77%
BPC
65
Banque Pictet & Cie
Switzerland
$5.34M +$526K +6,696 +13%
PCH
66
Polar Capital Holdings
United Kingdom
$4.49M -$581K -7,392 -13%
GIM
67
Granahan Investment Management
Massachusetts
$4.12M -$2.1M -26,698 -37%
Legal & General Group
68
Legal & General Group
United Kingdom
$4.05M -$121K -1,541 -3%
RhumbLine Advisers
69
RhumbLine Advisers
Massachusetts
$3.87M -$40.8K -519 -1%
SFI
70
Susquehanna Fundamental Investments
Pennsylvania
$3.77M +$3.29M +41,864 New
AllianceBernstein
71
AllianceBernstein
Tennessee
$3.58M -$92.1M -1,172,754 -97%
Mirae Asset Global ETFs Holdings
72
Mirae Asset Global ETFs Holdings
Hong Kong
$3.1M +$137K +1,743 +5%
DAM
73
DLD Asset Management
New York
$3.08M -$1.85M -23,550 -41%
Axa
74
Axa
France
$2.93M
Macquarie Group
75
Macquarie Group
Australia
$2.74M -$47.9K -610 -2%

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.