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NASDAQ · IRTCHealthcareSurgical Instruments

iRhythm Holdings, Inc. Common Stock (IRTC)

$134.00+6.04%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$136.47▼ 26.23% in range
Nov 3, 2025Low $101.79 · High $189.25Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

iRhythm Holdings closed at $134.00 on Nov 4, up 6.04%, 29.2% below its 52-week closing high. Volume of 1.2M shares was 2.34× its 20-day average (well above normal).

Split-adjusted performance: +25.0% over one month, +13.8% over six months, -27.6% over one year.

In the quarter ended Jun 30, 2026, revenue was $224.17M, up 20.1% from a year earlier, with a net margin of -0.2%.

Short interest was 3.1M shares at the Oct 15 settlement, up 2.1% from the prior report (9.5% of float, 6.8 days to cover).

Market cap$4.42B33.0M shares
Revenue · quarter$224.2M+20.1% YoY
Diluted EPS$-0.01—
P/E · TTM—P/S 5.4×
Net margin-0.2%Gross 72.8%
Dividend yieldNone
52-week range101.79 – 189.25−29.2% from high
Volume1.2M2.34× 20-day avg
Volatility · 60d42.1%Annualised
Short % of float9.5%6.8 days to cover
Net cash-$59.8MCash $591.3M
Next earnings—Not scheduled
Split-adjusted performance
1W +8.1%1M +25.0%3M +4.6%6M +13.8%YTD −24.5%1Y −27.6%3Y +74.4%5Y +94.9%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Surgical Instruments

Percentile among 110 companies (100 = best)

6-month momentum64
Revenue growth78
Net margin60
Value (low P/E)—
Size83

Industry medians: 6-month return −4.0%, revenue growth +8.9%, net margin −8.2%, P/E 30.5×.

Short interest

Details →
Shares short3.1M+2.1% vs prior
Days to cover6.8Settled Oct 15
% of float9.5%
Short vol. 10d66.0%of daily volume

Closest peers by size in Surgical Instruments

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
IRTCiRhythm Holdings$134.00+6.04%+13.8%+20.1%−0.2%—$4.42B
ICUIICU Medical$172.62+6.67%+44.3%+0.5%3.5%143.5$4.32BCompare
PLSEPulse Biosciences, Inc Common Stock (DE)$57.06+9.31%+197.0%—−5681.3%—$4.07BCompare
HTFLHeartflow$56.57+3.99%+86.8%—−24.6%—$4.92BCompare
MMEDMiniMed Group$19.29+2.33%——0.0%—$5.43BCompare
MMSIMerit Medical Systems$90.63+7.69%+47.1%+8.4%10.2%33.9$5.43BCompare
HAEHaemonetics$127.42+5.94%+141.9%+5.6%9.7%60.2$5.80BCompare
ATRCAtriCure$65.53+8.48%+134.0%+12.8%5.8%315.9$3.33BCompare
TFXTeleflex Incorporated$149.87+7.09%+21.6%+28.9%17.5%—$6.35BCompare

News about iRhythm Holdings

All news →
Shipping Association of New York and New Jersey Data Breach Investigation: Edelson Lechtzin LLP Probes Class Action Claims After Personal Data Is ExposedGlobeNewswire Inc. · Oct 7, 2026▼ NegativeiRhythm Holdings Data Breach Investigation: Edelson Lechtzin LLP Probes Class Action Claims After Patient Data Is ExposedGlobeNewswire Inc. · Oct 6, 2026▼ NegativeiRhythm Investigates Cyber Incident After Hackers Claim Access To Sensitive DataBenzinga · Jun 16, 2026▼ Negative

Quick answers

What does iRhythm Holdings do?
iRhythm Holdings Inc is a digital healthcare company that creates trusted solutions that detect, predict, and prevent disease. Its principal business is the design, development, and commercialization of device-based technology to provide ambulatory cardiac monitoring services that it believes allow clinicians to diagnose certain arrhythmias quicker and with greater efficiency than other services that rely on traditional technology.
What is IRTC's market cap?
$4.42B, based on the Nov 4 close of $134.00.
Does iRhythm Holdings pay a dividend?
No regular cash dividend has been paid in the last year.
How much of IRTC is sold short?
3.1M shares, 9.5% of float, as of Oct 15, 2026.
What sector is IRTC in?
Healthcare, in the Surgical Instruments industry.

About iRhythm Holdings

iRhythm Holdings Inc is a digital healthcare company that creates trusted solutions that detect, predict, and prevent disease. Its principal business is the design, development, and commercialization of device-based technology to provide ambulatory cardiac monitoring services that it believes allow clinicians to diagnose certain arrhythmias quicker and with greater efficiency than other services that rely on traditional technology. Each Zio System combines an FDA-cleared and CE-marked, wire-free, patch-based, 14-day wearable biosensor that continuously records electrocardiogram (ECG) data with a proprietary, FDA-cleared, CE-marked cloud-based data analytic software to help physicians monitor patients and diagnose arrhythmias.

HQ: San Francisco, CA2,400 employeesListed Oct 20, 2016irhythmtech.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology