Waters stock reacts to fresh guidance and earnings update

Waters (WAT) has drawn investor attention after issuing new revenue guidance for the third quarter and full year 2026, alongside second quarter results that showed higher sales and a shift to a net loss.

The recent guidance and earnings update come after a strong run in Waters stock. The 90 day share price return of 14.57% and the 1 year total shareholder return of 44.69% suggest that momentum has been building over both shorter and longer horizons.

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After a sharp move in Waters stock and a share price near analyst targets but well above some intrinsic estimates, the key issue now is where fair value truly sits within that spread and how much margin of safety you really have.

Most Popular Narrative: 1.5% Undervalued

Waters closed at $406.86, slightly below the most followed fair value estimate of $413.26, which frames the current debate around how much upside is already priced in.

Recurring revenues are accelerating (up 11% this quarter), underpinned by expanding service plan attachments and e-commerce adoption, which enhances revenue stability and net margins, setting up the combined company for more resilient earnings across CapEx cycles.

Want to see what sits behind that revenue mix story? The core narrative leans on faster earnings, firmer margins, and a richer multiple than most investors might expect.

The fair value in this narrative comes from projected revenue growth, higher profit margins, and a future earnings multiple all discounted back at 8.13%. Analysts in that framework also build in differing views on how quickly earnings may scale, which is why their targets cluster within a range rather than a single figure. The small gap between the current price and the $413.26 fair value underlines how much depends on those growth and margin assumptions actually playing out.

Result: Fair Value of $413.26 (UNDERVALUED)

However, Waters investors still face real swing factors, including integration risk around the BD businesses and pressure on margins if tariffs or trade policies move against the company.

Another view on Waters valuation using sales multiples

While the SWS DCF model points to upside for Waters, the P/S ratio paints a tougher picture. Waters trades on 8.6x sales, which is much richer than the US Life Sciences industry at 4.1x, peers at 5.3x, and the fair ratio of 7.2x that the market could move toward. That gap suggests less room for error if growth or margins come in below expectations, so which signal do you put more weight on?

Next Steps

The mix of momentum, valuation debate, and both risks and rewards around Waters is clear, so it makes sense to move quickly and look through the underlying data yourself. To weigh up both sides of the story and see what stands out most to you, start by reviewing the 2 key rewards and 3 important warning signs.

Looking for more investment ideas beyond Waters?

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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.