Which has the lower trailing P/E, IDXX or WAT?

IDXX has the lower trailing P/E: IDXX trades at 36.49 and WAT at 105.72. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, IDXX or WAT?

Over the past five years, WAT grew revenue faster — IDXX at a 8.37% CAGR versus WAT at 11.70%.

Is IDXX or WAT more profitable?

IDXX runs the higher net margin — IDXX at 25.03% versus WAT at 3.58%.

How have IDXX and WAT total returns compared?

Over the past 10 years, IDXX delivered 16.45% and WAT delivered 10.36% annualized total return. Past performance doesn't predict future results.

IDEXX Laboratories, Inc. (IDXX) vs Waters Corporation (WAT)

A side-by-side comparison of IDEXX Laboratories, Inc. and Waters Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 13, 2026. Differences are shown without an overall score or investment verdict.

IDXX

IDEXX Laboratories, Inc.

$40.65B

$515.30HealthcareDelayed quote: Sep 21, 2026, 4:00 PM EDT

WAT

Waters Corporation

$41.62B

$423.92HealthcareDelayed quote: Sep 21, 2026, 4:00 PM EDT

Total return — IDXX vs WAT

growth of $100 · dividends reinvested · last 10y

IDXX +383.2% (+17.1%/yr)WAT +154.2% (+9.8%/yr)IDXX compounded faster over this window

IDXX WAT

IDXX vs WAT: by the numbers

•WAT is the larger company ($41.62B vs $40.65B market cap).
•IDXX trades at the lower trailing earnings multiple (36.49 vs 105.72 P/E), one valuation lens rather than an overall verdict.
•IDXX converts more revenue to profit (25.03% vs 3.58% net margin).
•WAT grew revenue faster over the past five years (11.70% vs 8.37% CAGR).

Metrics side by side

Valuation

Metric	IDXX	WAT
P/E ratio	36.49	105.72
Forward P/E	34.89	29.09
P/S ratio	8.93	8.96
P/B ratio	25.21	2.74
EV / EBITDA	25.76	49.94
FCF yield	3.08%	0.96%

Profitability

Metric	IDXX	WAT
Gross margin	62.45%	50.78%
Operating margin	32.03%	28.22%
Net margin	25.03%	3.58%
ROE	70.67%	1.09%
ROIC	41.33%	1.34%

Growth (annualized)

Metric	IDXX	WAT
Revenue CAGR (5Y)	8.37%	11.70%
EPS CAGR (5Y)	14.07%	5.16%
FCF CAGR (5Y)	12.49%	-9.10%
Total return CAGR (5Y)	-5.83%	-0.83%

Frequently asked

Which has the lower trailing P/E, IDXX or WAT?: IDXX has the lower trailing P/E: IDXX trades at 36.49 and WAT at 105.72. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, IDXX or WAT?: Over the past five years, WAT grew revenue faster — IDXX at a 8.37% CAGR versus WAT at 11.70%.
Is IDXX or WAT more profitable?: IDXX runs the higher net margin — IDXX at 25.03% versus WAT at 3.58%.
How have IDXX and WAT total returns compared?: Over the past 10 years, IDXX delivered 16.45% and WAT delivered 10.36% annualized total return. Past performance doesn't predict future results.

Go deeper

Full IDXX analysis Full WAT analysis Interactive comparison tool

Dig into the metrics

IDEXX Laboratories P/E ratio Waters P/E ratio IDEXX Laboratories ROE Waters ROE IDEXX Laboratories operating margin Waters operating margin IDEXX Laboratories revenue growth Waters revenue growth IDEXX Laboratories free cash flow Waters free cash flow

IDEXX Laboratories & Waters appear in these rankings

Highest ROE Stocks Highest ROIC Stocks Highest Operating Margin Stocks Highest 10-Year Total Return 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 13, 2026.