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A Look At Mirion Technologies (MIR) Valuation After Recent Share Price Weakness
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Mirion Technologies (MIR) has drawn fresh attention after recent trading left the shares with a return of about a 27% decline year to date, prompting investors to reassess the business behind the radiation detection and medical segments.

See our latest analysis for Mirion Technologies.

The recent 1 day share price return of a 3.19% decline and 7 day share price return of a 10.35% decline extend a weaker near term trend. However, the 1 year total shareholder return of 19.45% and 3 year total shareholder return of 105.46% show that longer term momentum has been stronger.

If Mirion's moves have you rethinking exposure to radiation and nuclear related names, it could be worth scanning the wider sector through the 89 nuclear energy infrastructure stocks

With Mirion reporting revenue of US$925.4m and net income of US$28.8m, and currently trading at US$17.32, the key question is whether this radiation specialist is undervalued or if the market has already fully priced in its prospects.

Most Popular Narrative: 39.9% Undervalued

At $17.32, the most followed narrative places Mirion's fair value at $28.80, creating a wide gap that rests on confident long term growth and margin assumptions.

The accelerating global shift toward expanded nuclear power generation, coupled with rising capital budgets for modernization, life extensions, and increased capacity of the existing reactor fleet, is likely to drive sustained double-digit organic revenue growth and expand Mirion's higher-margin installed base business in coming years.

Read the complete narrative. Read the complete narrative.

Curious how that fair value holds together. The narrative leans on faster revenue growth, rising margins, and a richer earnings multiple than the broader electronics sector.

Result: Fair Value of $28.80 (UNDERVALUED)

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

However, that upside story still leans heavily on continued nuclear sector spending and smooth integration of acquisitions, and setbacks on either front could quickly challenge it.

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

Another View: Valuation Looks Rich On Earnings

The analyst narrative leans on a fair value of $28.80 and sees Mirion as 39.9% undervalued, but the current P/E of 147.1x paints a different picture. That multiple is far above the US Electronic industry at 28.8x and even the 47x fair ratio our models suggest the market could move toward.

In practical terms, you are paying a much higher price for each dollar of earnings than both peers and that fair ratio imply, which raises the bar for future profit delivery. If sentiment cools, the share price could adjust more to the earnings reality than the narrative suggests, or the premium could persist.

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

NYSE:MIR P/E Ratio as at Mar 2026
NYSE:MIR P/E Ratio as at Mar 2026

Next Steps

With both risks and rewards in play, sentiment around Mirion is clearly mixed. It may make sense to move quickly and test the numbers yourself with the 4 key rewards and 3 important warning signs

Looking for more investment ideas?

If Mirion has sharpened your focus on where to put fresh capital next, do not stop here. Broaden your research with a few targeted stock ideas.

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.

Disclaimer:This article represents the opinion of the author only. It does not represent the opinion of Webull, nor should it be viewed as an indication that Webull either agrees with or confirms the truthfulness or accuracy of the information. It should not be considered as investment advice from Webull or anyone else, nor should it be used as the basis of any investment decision.
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