IRTC
iRhythm Hldg (IRTC)
NASDAQ
$110.34+$5.64 (+5.39%)
Price as of Jun 23, 2026 4:23 PM EDT
  • $3.4B
    Market Cap
  • -30.65%
    1-Year Change
  • Medical Devices
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
TUDOR INVESTMENT CORP ET AL
60.86%
20.0M
+20.0M (+100.00%)
Sep 30, 2025
VANGUARD GROUP INC
10.07%
3.3M
+70,420 (+2.13%)
Dec 31, 2025
BLACKROCK, INC.
8.34%
2.7M
-72,484 (-2.64%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
8.30%
2.7M
+169,211 (+6.20%)
Dec 31, 2024
BLACKROCK INC.
7.61%
2.5M
+61,230 (+2.45%)
Jun 30, 2024
N/A
5.47%
1.8M
+1.8M (+100.00%)
Mar 31, 2026
SANDS CAPITAL MANAGEMENT, LLC
5.17%
1.7M
-536,465 (-31.56%)
Dec 31, 2025

Current Ownership Distribution

  • Institutions622.8M (58.94%)
  • Mutual Funds426.5M (40.36%)
  • Insiders7.3M (0.69%)
  • Other0 (0.00%)

Insider Transactions

  • 0.69% (7.3M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
No data found

No data found