Pentair (PNR) cut its 2026 outlook, now guiding for revenue to decline 4% to 7% from 2025 sales of $4.2b, reversing its earlier expectation of 2% to 4% growth.
The lowered outlook lands after a rough stretch for Pentair’s stock, with the 30-day share price return down 13.32% and the 90-day move down 30.01% as investors reassess growth prospects. Over the longer haul, total shareholder return has also been weak, with a 1-year decline of 52.75% and a 5-year drop of 20.14%. This points to fading momentum rather than a short-term wobble around the latest guidance cut.
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Pentair now trades well below both analyst targets and intrinsic value estimates after a steep reset in expectations. Where does fair value really sit in that gap between price and the valuation range?
Most Popular Narrative: 33% Undervalued
Pentair’s most followed valuation narrative pegs fair value at $77.36, which sits well above the recent $52.19 close and frames the current share price slide as a potential mispricing rather than a broken business model.
The planned Taco acquisition, at about US$1.4b and expected to bring US$30m of run rate cost savings within a few years, is set to expand Pentair’s exposure to HVAC and data center hydronics. It may lift both revenue and adjusted EPS as the integration progresses. Expansion of commercial, infrastructure, and data center projects in the Flow segment, highlighted by recent order wins in commercial buildings, desalination, and data center work, points to a rising mix of longer-cycle revenue that could smooth earnings compared with more cyclical residential Pool activity.
See why 23 investors see Pentair as 33% undervalued.
Result: Fair Value of $77.36 (UNDERVALUED)
Still, Pentair’s story can be upended if Pool weakness persists beyond the current destocking phase or if the securities fraud class actions create heavier legal and reputational drag.
Find out about the key risks to this Pentair narrative.
Next Steps
Mixed signals around Pentair can make the story feel murky. Move quickly, review the underlying metrics, and weigh the 4 key rewards and 2 important warning signs against your own expectations.
Looking For More Ideas Beyond Pentair?
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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.
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