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A Look At Advanced Drainage Systems (WMS) Valuation After Recent Share Price Weakness
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Without a clear event driving headlines, Advanced Drainage Systems (WMS) still attracts attention as investors weigh its recent share performance, current earnings profile, and the scale of its water management business.

See our latest analysis for Advanced Drainage Systems.

Recent trading has been weak, with a 7 day share price return of 7.14% and a 30 day share price return of 18.21% at $139.85, even though the 1 year total shareholder return is 27.91% and the 3 year total shareholder return is 77.26%. This suggests shorter term momentum is fading compared with longer term gains.

If you are weighing what to do next after looking at WMS, it can be useful to see what else is moving in related areas, starting with 26 power grid technology and infrastructure stocks

So with a recent pullback, a value score of 3, and a market value of about US$11b set against US$2,989m of revenue and US$471m of net income, is Advanced Drainage Systems now a buying opportunity or already pricing in future growth?

Most Popular Narrative: 29.1% Undervalued

With Advanced Drainage Systems last closing at $139.85 and the most followed narrative placing fair value at $197.20, the gap between price and story is wide enough to pay attention to.

Ongoing climate change and increasing frequency/severity of extreme weather events are driving up the necessity for advanced stormwater management and resilient drainage infrastructure, underpinning structural, long-term volume growth, supporting sustained revenue acceleration.

Read the complete narrative.

Curious what has to happen for that higher value to make sense? Revenue, margins and a richer future earnings multiple all sit at the core of this narrative. The numbers behind those assumptions are what really matter.

Result: Fair Value of $197.20 (UNDERVALUED)

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

However, this depends on demand not staying tepid for too long and on raw material costs, such as resin, not squeezing margins more than expected.

Find out about the key risks to this Advanced Drainage Systems narrative.

Another Angle On Value

The analyst narrative points to a fair value of $197.20, or about 29.1% above the current $139.85 share price, based on earnings forecasts and a richer future P/E. Yet on simple P/E terms, WMS trades at 23.1x, above the US Building industry at 20.8x but well below its peer average of 39.2x and an estimated fair ratio of 29.5x. That mix of signals can look appealing or stretched depending on how much of that gap to the fair ratio you think the market is willing to close.

To see how this P/E picture fits with the rest of the thesis, and what the numbers imply if sentiment cools or improves, See what the numbers say about this price — find out in our valuation breakdown.

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

Next Steps

If this mix of optimism and questions around value leaves you on the fence, it can help to act while sentiment is still forming and test the assumptions against your own expectations, starting with the 3 key rewards

Looking for more investment ideas?

Once you have a view on WMS, it makes sense to keep your watchlist fresh with other names that fit clear, data backed themes.

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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