Pentair plc (PNR) vs Tetra Tech, Inc. (TTEK)

A side-by-side comparison of Pentair plc and Tetra Tech, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total return — PNR vs TTEK

growth of $100 · dividends reinvested · last 10y
PNR +54.0% (+4.4%/yr)TTEK +411.7% (+17.7%/yr)TTEK compounded faster over this window
200400600800Start $10020182020202220242026$154$512
PNR TTEK

PNR vs TTEK: by the numbers

  • •TTEK is the larger company ($8.66B vs $8.45B market cap).
  • •PNR trades at the lower trailing earnings multiple (13.30 vs 20.11 P/E), one valuation lens rather than an overall verdict.
  • •PNR converts more revenue to profit (16.24% vs 8.60% net margin).
  • •TTEK grew revenue faster over the past five years (15.81% vs 3.36% CAGR).
  • •PNR pays the higher dividend yield (2.01% vs 0.82%).

Metrics side by side

Valuation

MetricPNRTTEK
P/E ratio13.3020.11
Forward P/E11.3819.21
PEG ratio1.022.48
P/S ratio2.111.71
P/B ratio2.254.68
EV / EBITDA11.2114.33
FCF yield7.96%6.33%

Profitability

MetricPNRTTEK
Gross margin41.35%18.78%
Operating margin19.50%11.88%
Net margin16.24%8.60%
ROE17.37%23.54%
ROIC11.73%14.48%

Dividends

MetricPNRTTEK
Dividend yield2.01%0.82%
Payout ratio26.63%16.51%

Growth (annualized)

MetricPNRTTEK
Revenue CAGR (5Y)3.36%15.81%
EPS CAGR (5Y)13.17%8.00%
FCF CAGR (5Y)1.91%13.94%
Total return CAGR (5Y)-4.91%2.35%

Frequently asked

Which has the lower trailing P/E, PNR or TTEK?
PNR has the lower trailing P/E: PNR trades at 13.30 and TTEK at 20.11. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, PNR or TTEK?
Over the past five years, TTEK grew revenue faster — PNR at a 3.36% CAGR versus TTEK at 15.81%.
Does PNR or TTEK pay a bigger dividend?
PNR yields 2.01% and TTEK yields 0.82% based on trailing dividends and the latest price.
Is PNR or TTEK more profitable?
PNR runs the higher net margin — PNR at 16.24% versus TTEK at 8.60%.
How have PNR and TTEK total returns compared?
Over the past 10 years, PNR delivered 4.00% and TTEK delivered 17.59% annualized total return. Past performance doesn't predict future results.

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 October 6, 2026.