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I

iRhythm Holdings, IRTC · USD

Health Care · US listing · 🇺🇸 United States

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88.73

-1.65%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BLACKROCK, INC.2.7m8.51%−72.5k31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC1.8m5.58%+1.8m31 Mar 2026
RTW INVESTMENTS, LP1.7m5.18%+486.5k31 Mar 2026
MILLENNIUM MANAGEMENT LLC1.6m4.99%+781.6k31 Mar 2026
ARTISAN PARTNERS LIMITED PARTNERSHIP1.5m4.50%−61.1k31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC1.4m4.49%+1.4m31 Mar 2026
FMR LLC1.4m4.23%+733.2k31 Mar 2026
HOLOCENE ADVISORS, LP1.2m3.88%+565.1k31 Mar 2026
UBS ASSET MANAGEMENT AMERICAS INC1m3.25%+217.6k31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC817.1k2.54%−41.3k31 Mar 2026
STATE STREET CORP788.3k2.45%+23.5k31 Mar 2026
BNP PARIBAS ASSET MANAGEMENT HOLDING S.A.762.1k2.37%+179k31 Mar 2026
EVENTIDE ASSET MANAGEMENT, LLC760.8k2.36%+68.3k31 Mar 2026
JPMORGAN CHASE & CO714.9k2.22%−43.7k31 Mar 2026
FULLER & THALER ASSET MANAGEMENT, INC.674.7k2.09%+35.3k31 Mar 2026

Insider trades

Purchases and sales by directors and officers, as filed with the regulator

DateWhoTypeSharesPriceValue
16 Mar 2026 ↗Smith MervinEVP Strategic Business OpsSale2.6k114.30$295,466
2 Mar 2026 ↗Turakhia MinangCHIEF MED/SCI OFCR EVP ADVTECHSale4k128.45$517,259
2 Mar 2026 ↗Shrishrimal SumiEVP, Chief Risk OfficerSale2.8k128.44$363,484
2 Mar 2026 ↗Smith MervinEVP Strategic Business OpsSale1.4k128.44$173,652
2 Mar 2026 ↗Patterson ChadCHIEF COMM & PRODUCT OFFICERSale4.4k128.44$570,804
2 Mar 2026 ↗Murphy Patrick MichaelCBO and CLOSale4.4k128.44$559,624
2 Mar 2026 ↗Wilson Daniel G.Chief Financial OfficerSale3.4k128.45$436,076
2 Mar 2026 ↗Blackford Quentin S.President and CEOSale13.8k128.44$1.8m
2 Mar 2026 ↗Rosenbaum Marc WadeChief Accounting OfficerSale816128.45$104,815

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

3.1m

+2.1% on the period before. 6.8 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

65.5%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 18 Sept 202672 shares
  • 16 Sept 202631 shares
  • 10 Sept 2026186 shares
  • 21 Aug 20261,114 shares
  • 20 Aug 20261,057 shares

Sources and methodology

Data on this tab
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Chart on the Overview
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Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.