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Pentair Shares Dip to 52-Week Low as Pool Business Weakness Weighs

Pentair PLC's stock fell to $55.97, nearly halving over a year, as pool-business sales slump and analysts downgrade earnings — despite a beat on Q2 profit and a $1.4B acquisition of Taco.

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Priya Anand · Equities & Earnings Desk · 19 Sept 2026 · 11:18 · 1 min read
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Pentair Shares Dip to 52-Week Low as Pool Business Weakness Weighs

Pentair PLC shares struck a 52-week low of $55.97 on Monday, underscoring a sharp selloff that has erased roughly half the company's market value over the past year.

The stock, which reached a high of $113.95 over the same period, has declined 49.63% over the trailing twelve months and 45% year-to-date, with a 36% drop over the last six months alone.

The selloff follows a mixed second-quarter report. Earnings per share came in at $1.14, topping the analyst consensus estimate of $1.12, but revenue of $930 million fell short of the $956 million expected, weighed by a significant pullback in sales at the company's Pool business segment.

Pentair maintains its full-year guidance as-is, and in March the company announced a $1.4 billion acquisition of Taco, a water-filtration specialist. Management had said the deal would bolster sentiment among investors, though the stock has continued to trade lower regardless.

On the quantitative side, InvestingPro data flagged the company's relative strength index as indicating oversold conditions, and described the shares as undervalued relative to their intrinsic fair value. The same analysis also noted that 12 analysts have revised their earnings estimates downward for the periods ahead, reflecting lingering concern over the Pool segment's outlook.

Pentair (ticker: PNR) is a Florida-headquartered provider of water-treatment and pool-equipment solutions. The company's water-solutions division includes both commercial and residential product lines, with the Pool unit being the more cyclical of the two.

This article was produced with AI assistance and edited by a Finance Review Daily journalist.
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Written by
Priya Anand
Equities & Earnings Desk

Priya covers listed equities and corporate earnings, reading quarterly results and guidance for what they signal about sector health and forward valuations.

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