Stock Analysis

A Closer Look at iRhythm Technologies’s (IRTC) Valuation After New Global Clinical Data Release

iRhythm Technologies (IRTC) presented new real-world data at a major heart rhythm conference, highlighting how their Zio service delivers consistent cardiac monitoring results for both Asian and non-Asian patient groups. This research could strengthen iRhythm’s global presence, particularly in Japan.

See our latest analysis for iRhythm Technologies.

iRhythm Technologies has seen impressive momentum in 2024, with the share price up over 110% year-to-date, reflecting renewed optimism about the company’s global growth prospects and the strength of its clinical evidence. Over the past year, total shareholder return stands at 111.5%. However, the stock’s long-term performance has been more mixed.

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With shares surging and clinical momentum building, the big question now is whether iRhythm’s valuation reflects all its future promise or if there could still be room for investors to benefit from further upside.

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Most Popular Narrative: 14.4% Undervalued

With iRhythm Technologies closing at $188.30 and the narrative’s fair value pegged at $219.93, the current market price sits below expectations set by the most popular valuation story. This context sets the backdrop for a closer look at the factors that could justify such optimism.

Expansion into international markets (UK, EU, Japan), where iRhythm is seeing strong early uptake and building clinical validation, diversifies revenue streams and positions the company for long-term topline growth as aging populations drive global demand for remote cardiac monitoring. Investment in the Zio ecosystem, including next-generation patches, enhanced form factors, and AI-powered analytics (such as the Lucem Health partnership), is improving product differentiation, diagnostic yield, and workflow efficiency. This is likely leading to higher gross margins and operating leverage as software and data become a larger component of the business.

Read the complete narrative.

Want a glimpse at the numbers behind this valuation? The story hinges on ambitious growth assumptions, breakthrough margins, and a future profit forecast built around bold market expansion moves. Which specific projections unlock that higher price? Get the inside story in the full narrative.

Result: Fair Value of $219.93 (UNDERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

However, execution risks remain, particularly if intensifying competition or unexpected regulatory challenges disrupt iRhythm’s growth momentum or pressure margins in the coming quarters.

Find out about the key risks to this iRhythm Technologies narrative.

Another View: Market Comparisons Raise Caution

While the narrative’s fair value suggests upside, looking at price-to-sales ratios tells a different story. iRhythm trades at 8.6 times sales, much higher than both the US Medical Equipment industry average (3.3x) and its peer group (6.7x). The fair ratio, based on what the market could shift toward, is 4.8x. This premium signals real valuation risk; could investors be paying up too much for growth?

See what the numbers say about this price — find out in our valuation breakdown.

NasdaqGS:IRTC PS Ratio as at Nov 2025
NasdaqGS:IRTC PS Ratio as at Nov 2025

Build Your Own iRhythm Technologies Narrative

If you have a different angle or want to test your own assumptions against the numbers, you can quickly craft your own perspective in just a few minutes. Do it your way.

A great starting point for your iRhythm Technologies research is our analysis highlighting 1 key reward and 1 important warning sign that could impact your investment decision.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

Valuation is complex, but we're here to simplify it.

Discover if iRhythm Technologies might be undervalued or overvalued with our detailed analysis, featuring fair value estimates, potential risks, dividends, insider trades, and its financial condition.

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About NasdaqGS:IRTC

iRhythm Technologies

A digital healthcare company, engages in the design, development, and commercialization of device-based technology that provides ambulatory cardiac monitoring services to diagnose arrhythmias in the United States.

Reasonable growth potential with mediocre balance sheet.

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