AlphaStocks
4.2
Weak

PENTAIR plc (PNR)

As of Sep 20, 2026, PENTAIR plc (PNR) scores 4.2/10 on AlphaStocks' five-model composite, #173 of 265 Industrials stocks. At $56, PNR trades 37% below its model fair value of $89.

Industrials / Industrial Machinery & Supplies & Components

S&P 500

$55.92

Below average on several measures. Research carefully.

Weak

Score based on 5 of 5 models — high confidence

Data as of Sep 20, 2026

#173out of 265 in Industrials

Is PENTAIR plc a Good Investment in 2026?

PENTAIR plc (PNR) scores 4.2 out of 10 on AlphaStocks' composite model, earning a Weak rating. The Piotroski model rates PENTAIR plc as Strong (7/9). The Lynch model is the least favorable, rating it Neutral. PENTAIR plc currently trades 37% below its estimated fair value of $89. PENTAIR plc ranks #173 out of 265 stocks in the Industrials sector.

This summary is algorithmically generated and is not financial advice.

Key Metrics

P/E14.2ROE17.1Market Cap9BDiv Yield1.3

Estimated Fair Value

$89.3137% below

Trading below estimated fair value. P/E of 14x is moderate for this quality level.

Model-based estimate, not a price target.

5-Model Analysis

Each model evaluates this stock from a different angle. Combined, they form the composite score above.

Piotroski

Strong

7/9

Buffett

Strong

Business quality & competitive moat

Graham

Neutral

67% above fair value

Lynch

Neutral

High PEG — growth premium · Slow Grower

Greenblatt

Strong

Earnings yield 8.1% · ROC >100%

Frequently Asked Questions

Is PENTAIR plc (PNR) a good investment?
As of Sep 20, 2026, PENTAIR plc (PNR) scores 4.2/10 on AlphaStocks' five-model composite, #173 of 265 Industrials stocks. At $56, PNR trades 37% below its model fair value of $89. That score is below average, suggesting caution.
What is PENTAIR plc's Piotroski F-Score?
PENTAIR plc's Piotroski F-Score status is Strong. The raw score is 7/9. The Piotroski F-Score evaluates financial health using 9 fundamental signals including profitability, leverage, and operating efficiency.
Is PNR overvalued or undervalued?
Based on AlphaStocks' model-based fair value estimate of $89, PNR appears undervalued. The stock currently trades 37% below its estimated fair value. Trading below estimated fair value. P/E of 14x is moderate for this quality level.
How does PNR compare to other Industrials stocks?
PENTAIR plc ranks #173 out of 265 stocks in the Industrials sector, placing it in the top 65% of its sector by composite score. There are higher-ranked alternatives in this sector worth exploring.
What do investment models say about PNR?
AlphaStocks evaluates PNR using five proven investment models. Piotroski: Strong; Buffett: Strong; Graham: Neutral; Lynch: Neutral; Greenblatt Magic Formula: Strong. These models are combined into a single composite score of 4.2/10.

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Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer