We are live on ! Find out more
IRTC icon

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
Vanguard Group
1
Vanguard Group
Pennsylvania
$361M +$4.01M +36,953 +1%
Sands Capital Management
2
Sands Capital Management
Virginia
$300M -$27M -249,029 -9%
BlackRock
3
BlackRock
New York
$281M -$2.15M -19,863 -0.9%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$279M +$244M +2,247,164 +40,607%
Capital Research Global Investors
5
Capital Research Global Investors
California
$217M +$43M +396,525 +29%
Artisan Partners
6
Artisan Partners
Wisconsin
$170M -$2.43M -22,427 -2%
Mackenzie Financial
7
Mackenzie Financial
Ontario, Canada
$153M -$986K -9,096 -0.7%
JP Morgan Chase
8
JP Morgan Chase
New York
$145M +$4.37M +40,312 +4%
AllianceBernstein
9
AllianceBernstein
Tennessee
$140M -$10.4M -95,840 -8%
William Blair & Company
10
William Blair & Company
Illinois
$125M +$10.4M +95,737 +10%
LOM
11
LTS One Management
New York
$122M -$32M -295,000 -23%
Invesco
12
Invesco
Georgia
$105M -$268K -2,468 -0.3%
State Street
13
State Street
Massachusetts
$96.3M +$1.89M +17,470 +2%
Fiera Capital (Canada)
14
Fiera Capital (Canada)
Quebec, Canada
$84.4M +$80.6K +743 +0.1%
Allspring Global Investments
15
Allspring Global Investments
North Carolina
$75M +$4.57M +42,107 +7%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$72.7M +$2.71M +25,005 +4%
Norges Bank
17
Norges Bank
Norway
$71.9M -$209K -1,926 -0.3%
Bank of America
18
Bank of America
North Carolina
$68M +$42.9M +395,570 +259%
CS
19
Credit Suisse
Switzerland
$61.4M -$14.2M -131,125 -21%
BNP Paribas Asset Management
20
BNP Paribas Asset Management
France
$61.1M +$3.04K +28 +0%
PHS
21
PFM Health Sciences
California
$60.2M -$895K -8,253 -2%
SPC
22
Slate Path Capital
New York
$60.2M +$14.6M +135,000 +39%
Holocene Advisors
23
Holocene Advisors
New York
$59.8M -$30.2M -278,015 -37%
Janus Henderson Group
24
Janus Henderson Group
United Kingdom
$59.3M +$933K +8,603 +2%
T. Rowe Price Associates
25
T. Rowe Price Associates
Maryland
$58.5M -$3.63M -33,450 -7%

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.