NYSE: PNR · Industrial Machinery
Pentair (PNR) fair value: undervalued or overvalued?
As of 28 Sep 2026, Faircurve's model values Pentair (PNR) at $61.93 a share. The stock last closed at $53.03, which puts the model's fair value 16.8% above the price. On the model's bands that reads as Undervalued.
Revalued . Price is the close of 2 Oct 2026. Pentair plc.
Faircurve Insights · 28 Sep 2026
Pentair plc provides water solutions for residential, commercial, industrial, infrastructure, and agricultural applications, operating through Flow, Water Solutions, and Pool segments.
On 28 Sep 2026, Faircurve's model found a fair value of $61.93 a share, the midpoint of 2,000 simulations. This fair value moved -2.1% since the previous run, which gave $63.23 on 19 Sep 2026. The calibrated range over 63 trading days is $51.96 to $75.51, built from the fair value and calibrated weekly against realised prices, and ranges built this way held the price 60% of the time at this horizon. The evidence grade is Medium.
Pentair plc has an overall quality score of 46 out of 100 against comparable companies. The model compares it with A. O. Smith Corporation, Flowserve Corporation, Zurn Elkay Water Solutions Corporation, AAON, Inc., Donaldson Company, Inc., Regal Rexnord Corporation, Gates Industrial Corporation plc, and EnPro Industries, Inc. The median size of moves around the last 8 earnings reports, ignoring direction, was 4.6%.
Written from the figures on this page for the 28 Sep 2026 valuation and checked by rule before publishing: every number is one printed here, no forecast, no instruction. The price, the gap and the verdict are the page's own and change daily. Not a recommendation.
What price range does the model give PNR?
The calibrated range for PNR over 63 trading days is $51.96 to $75.51. There is no live options data for this stock, so the range is built from the fair value and calibrated weekly against realised prices (n = 4,327 past valuations, refreshed 26 Sep 2026). Ranges built this way held the price 60% of the time at this horizon.
The model's own simulated range, from the 20th to the 80th percentile of its runs, is $49.82 to $75.55. In 71% of the simulations the fair value came out above the price the model ran on.
How does PNR score on business quality?
Pentair's overall quality score is 46 out of 100. Each factor below is a score against comparable companies, not a percentile of the metric beside it.
| Factor | Score (0 to 100) | Headline measure | Peer median |
|---|---|---|---|
| ProfitabilityReturn on invested capital against the peer group, with a bonus for an improving trend. | 51 | 12.4%ROIC | 16.4% |
| Earnings qualityHow much of reported profit is cash: free cash flow to net income, and the accrual ratio (the share of earnings that is not cash). | 50 | 1.03xFCF / net income | 1.22x |
| Growth qualityTrailing revenue growth, forward growth from consensus, and the direction of analyst estimate revisions. | 18 | 2.3%Revenue growth, trailing | 5.3% |
| Capital disciplineReinvestment efficiency (capital spending per unit of revenue) and net buybacks. | 85 | 5.2%Net buybacks / market value | 1.7% |
| Balance sheetNet debt to EBITDA and interest coverage. | 50 | 1.80xNet debt / EBITDA | 1.73x |
| StabilityDownside volatility of the EBITDA margin over the last five years. | 35 | 1.5 ptsEBITDA margin downside volatility, 5y | 0.9 pts |
How does PNR compare with similar companies?
The companies in industrial machinery closest to Pentair in market value, each on the same model and the same date.
| Company | Last close | Model fair value | Gap | Model verdict |
|---|---|---|---|---|
| AOS A. O. Smith Corporation | $56.75 | $68.87 | +21.4% | Undervalued |
| FLS Flowserve Corporation | $74.37 | $74.57 | +0.3% | Fairly valued |
| ZWS Zurn Elkay Water Solutions Corporation | $47.67 | $43.31 | -9.1% | Fairly valued |
| AAON AAON, Inc. | $83.27 | $87.59 | +5.2% | Fairly valued |
| DCI Donaldson Company, Inc. | $88.65 | $78.94 | -11.0% | Fairly valued |
| RRX Regal Rexnord Corporation | $159.87 | $184.84 | +15.6% | Undervalued |
| GTES Gates Industrial Corporation plc | $27.65 | $29.63 | +7.2% | Fairly valued |
| NPO EnPro Industries, Inc. | $332.56 | $246.76 | -25.8% | Overvalued |
When does PNR report earnings, and how has the stock reacted?
Pentair's next earnings report is scheduled for 20 Oct 2026. Companies can move their dates.
Options prices on 2 Oct 2026 imply a move of about 10.9% in either direction through the nearest expiry, about 48 days out, a window that includes the report. That is the size the market is pricing, not a direction.
How PNR moved around its last 8 earnings reports
Each move runs from the last close before the report to the first close after it, so it covers companies that report before the open and after the close. The median size across these 8 reports, ignoring direction, was 4.6%.
| Report date | Two session move |
|---|---|
| 28 Jul 2026 | +5.4% |
| 28 Apr 2026 | -12.4% |
| 3 Feb 2026 | -7.8% |
| 21 Oct 2025 | 0.0% |
| 22 Jul 2025 | -1.2% |
| 22 Apr 2025 | +11.1% |
| 4 Feb 2025 | -3.8% |
| 22 Oct 2024 | -0.4% |
Pentair at a glance
Pentair plc engages in the provision of water solutions for residential, commercial, industrial, infrastructure, and agricultural applications. It operates through the following segments: Flow, Water Solutions, and Pool.
- Market value
- $8.6B
- Sector
- Industrials
- Industry
- Industrial Machinery
- Revenue expected, next twelve months
- $4.2B
- Consensus revenue growth, next fiscal year
- -5.8%
- Analysts with estimates
- 11
- Beta to the US market
- 0.87
- First valued by Faircurve
- 1 May 2026
How the fair value is worked out: the model prices Pentair on the value of the whole business, debt included, against the operating profit analysts expect next year (forward EV/EBITDA), runs 2,000 simulations across its inputs and takes the midpoint. The full method is documented here.
What changed in the latest valuation?
On 19 Sep 2026 the model's fair value for PNR was $63.23. As of 28 Sep 2026 it is $61.93, a change of -2.1%. The model revalues every stock it covers each week, and again after an earnings report.
Questions about Pentair's valuation
Is Pentair stock undervalued or overvalued?
On Faircurve's model, PNR reads as Undervalued as of 28 Sep 2026. The model's fair value is $61.93 a share against a last close of $53.03, a gap of +16.8%.
What is PNR's fair value?
$61.93 a share as of 28 Sep 2026, the midpoint of 2,000 simulations. The model's own 20th to 80th percentile range is $49.82 to $75.55.
What price range does the model give PNR?
$51.96 to $75.51 over 63 trading days. Ranges built this way held the price 60% of the time across 4,327 past valuations, refreshed 26 Sep 2026.
When does Pentair report earnings next?
The next report is scheduled for 20 Oct 2026. Companies can move their dates.
How much has PNR moved on past earnings reports?
Across its last 8 reports the median two session move was 4.6%, ignoring direction. The largest was -12.4% around the report of 28 Apr 2026.
How confident is the model in this valuation?
The model's evidence grade for PNR is medium. The grade looks at how complete the inputs are, how many comparable companies there are and how closely they agree, and how wide the range of outcomes is. It is not a probability that the fair value is right, or that the price reaches it.