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iRhythm Holdings

253 hedge funds and large institutions have $4B invested in iRhythm Holdings in 2024 Q1 according to their latest regulatory filings, with 52 funds opening new positions, 77 increasing their positions, 90 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

148% more first-time investments, than exits

New positions opened: 52 | Existing positions closed: 21

14% more funds holding

Funds holding: 222253 (+31)

12% more capital invested

Capital invested by funds: $3.56B → $4B (+$443M)

2.94% more ownership

Funds ownership: 108.43%111.37% (+2.9%)

0% less call options, than puts

Call options by funds: $27.7M | Put options by funds: $27.7M

14% less repeat investments, than reductions

Existing positions increased: 77 | Existing positions reduced: 90

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
253
Holders Change
+31
Holders Change %
+13.96%
% of All Funds
3.64%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
52
Increased
77
Reduced
90
Closed
21
Calls
$27.7M
Puts
$27.7M
Net Calls
-$47K
Net Calls Change
+$2.43M
Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$342M -$4.95M -44,001 -1%
Capital Research Global Investors
2
Capital Research Global Investors
California
$289M -$32.8K -292 -0%
BlackRock
3
BlackRock
New York
$283M -$5.99M -53,280 -2%
Artisan Partners
4
Artisan Partners
Wisconsin
$249M +$8.26M +73,442 +4%
Sands Capital Management
5
Sands Capital Management
Virginia
$249M -$10.6M -94,724 -4%
Mackenzie Financial
6
Mackenzie Financial
Ontario, Canada
$156M +$9.39M +83,526 +7%
AllianceBernstein
7
AllianceBernstein
Tennessee
$143M -$5.93M -52,732 -4%
JP Morgan Chase
8
JP Morgan Chase
New York
$112M -$22.3M -198,444 -17%
Holocene Advisors
9
Holocene Advisors
New York
$107M -$5.03M -44,717 -5%
William Blair & Company
10
William Blair & Company
Illinois
$96.6M +$3.13M +27,842 +3%
State Street
11
State Street
Massachusetts
$89.2M -$932K -8,294 -1%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$80.1M +$2.17M +19,321 +3%
Invesco
13
Invesco
Georgia
$67.7M +$14.8M +131,484 +29%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$67.5M -$14.6M -129,909 -18%
CIP
15
Champlain Investment Partners
Vermont
$66.8M +$33M +293,710 +104%
BNP Paribas Asset Management
16
BNP Paribas Asset Management
France
$59.4M +$7.28M +64,755 +14%
SPC
17
Slate Path Capital
New York
$59.2M -$37.8M -336,400 -40%
Westfield Capital Management
18
Westfield Capital Management
Massachusetts
$58.3M +$56.5M +502,678 New
B
19
Braidwell
Connecticut
$56.1M -$9.54M -84,900 -15%
Point72 Asset Management
20
Point72 Asset Management
Connecticut
$55.4M +$16.8M +149,034 +45%
CS
21
Credit Suisse
Switzerland
$52.8M -$2.17M -19,296 -4%
FLAM
22
First Light Asset Management
Minnesota
$48.8M +$30.2M +268,829 +177%
Allspring Global Investments
23
Allspring Global Investments
North Carolina
$48.1M +$5.53M +49,168 +13%
SIMG
24
Stephens Investment Management Group
Texas
$47.8M +$5.91M +52,548 +15%
RSCM
25
Rock Springs Capital Management
Maryland
$45.5M +$4.67M +41,500 +12%

IRTC Hedge Fund Activity: Q1 2024 in Review

253 of the 6,942 institutional investors tracked by Wall St. Rank reported a position in iRhythm Holdings (IRTC) for Q1 2024, worth a combined $4B — up 12% from $3.56B a quarter earlier.

Buyers outnumbered sellers: 52 funds opened new IRTC positions and 21 closed out — a net gain of 31 holders — while 77 added to existing stakes and 90 trimmed.

The largest buyer was Westfield Capital Management, opening a new position worth an estimated $56.5M. The largest seller was Summit Partners Public Asset Management, exiting entirely with an estimated $44.4M sold.

  • 253 institutional investors held iRhythm Holdings (IRTC) as of Q1 2024, up from 222 in Q4 2023.
  • Funds reported $4B of iRhythm Holdings stock for Q1 2024, up 12% quarter-over-quarter.
  • 52 funds opened new iRhythm Holdings positions in Q1 2024 and 21 closed out, a net change of +31 holders.
  • The largest iRhythm Holdings buyer in Q1 2024 was Westfield Capital Management, an estimated $56.5M added.
  • The largest iRhythm Holdings seller in Q1 2024 was Summit Partners Public Asset Management, an estimated $44.4M sold.

Based on aggregated 13F filings for Q1 2024.