Which has the lower trailing P/E, AOS or PNR?

PNR has the lower trailing P/E: AOS trades at 16.86 and PNR at 15.04. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, AOS or PNR?

Over the past five years, AOS grew revenue faster — AOS at a 3.37% CAGR versus PNR at 3.36%.

Does AOS or PNR pay a bigger dividend?

AOS yields 2.38% and PNR yields 1.77% based on trailing dividends and the latest price.

Is AOS or PNR more profitable?

PNR runs the higher net margin — AOS at 13.15% versus PNR at 16.24%.

How have AOS and PNR total returns compared?

Over the past 10 years, AOS delivered 4.01% and PNR delivered 5.01% annualized total return. Past performance doesn't predict future results.

A. O. Smith Corporation (AOS) vs Pentair plc (PNR)

A side-by-side comparison of A. O. Smith Corporation and Pentair plc across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 4, 2026. Differences are shown without an overall score or investment verdict.

AOS

A. O. Smith Corporation

$8.39B

$60.53IndustrialsAt close: Sep 3, 2026, 4:00 PM ET

PNR

Pentair plc

$9.58B

$60.02IndustrialsDelayed quote: Sep 3, 2026, 4:00 PM EDT

Total return — AOS vs PNR

growth of $100 · dividends reinvested · last 10y

AOS +54.0% (+4.4%/yr)PNR +72.3% (+5.6%/yr)PNR compounded faster over this window

AOS PNR

AOS vs PNR: by the numbers

•PNR is the larger company ($9.58B vs $8.39B market cap).
•PNR trades at the lower trailing earnings multiple (15.04 vs 16.86 P/E), one valuation lens rather than an overall verdict.
•PNR converts more revenue to profit (16.24% vs 13.15% net margin).
•AOS pays the higher dividend yield (2.38% vs 1.77%).

Metrics side by side

Valuation

Metric	AOS	PNR
P/E ratio	16.86	15.04
Forward P/E	16.20	12.88
P/S ratio	2.20	2.43
P/B ratio	4.55	2.60
EV / EBITDA	11.67	12.63
FCF yield	7.63%	6.92%

Profitability

Metric	AOS	PNR
Gross margin	38.59%	41.35%
Operating margin	17.57%	19.50%
Net margin	13.15%	16.24%
ROE	27.16%	17.37%
ROIC	18.44%	11.73%

Dividends

Metric	AOS	PNR
Dividend yield	2.38%	1.77%
Payout ratio	37.31%	26.57%

Growth (annualized)

Metric	AOS	PNR
Revenue CAGR (5Y)	3.37%	3.36%
EPS CAGR (5Y)	12.52%	13.17%
FCF CAGR (5Y)	4.38%	1.91%
Total return CAGR (5Y)	-1.92%	-4.02%

Frequently asked

Which has the lower trailing P/E, AOS or PNR?: PNR has the lower trailing P/E: AOS trades at 16.86 and PNR at 15.04. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, AOS or PNR?: Over the past five years, AOS grew revenue faster — AOS at a 3.37% CAGR versus PNR at 3.36%.
Does AOS or PNR pay a bigger dividend?: AOS yields 2.38% and PNR yields 1.77% based on trailing dividends and the latest price.
Is AOS or PNR more profitable?: PNR runs the higher net margin — AOS at 13.15% versus PNR at 16.24%.
How have AOS and PNR total returns compared?: Over the past 10 years, AOS delivered 4.01% and PNR delivered 5.01% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AOS analysis Full PNR analysis Interactive comparison tool

Dig into the metrics

A. O. Smith P/E ratio Pentair P/E ratio A. O. Smith dividend yield Pentair dividend yield A. O. Smith ROE Pentair ROE A. O. Smith operating margin Pentair operating margin A. O. Smith revenue growth Pentair revenue growth A. O. Smith free cash flow Pentair free cash flow

A. O. Smith & Pentair appear in these rankings

Highest Dividend Yield Stocks 25+ Year Dividend Growers Highest ROE Stocks Highest ROIC Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified September 4, 2026.