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

IDXX has the lower trailing P/E: IDXX trades at 36.71 and ILMN at 50.94. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, IDXX or ILMN?

Over the past five years, IDXX grew revenue faster — IDXX at a 8.37% CAGR versus ILMN at 5.04%.

Is IDXX or ILMN more profitable?

IDXX runs the higher net margin — IDXX at 25.03% versus ILMN at 18.36%.

How have IDXX and ILMN total returns compared?

Over the past 10 years, IDXX delivered 16.47% and ILMN delivered 4.17% annualized total return. Past performance doesn't predict future results.

IDEXX Laboratories, Inc. (IDXX) vs Illumina, Inc. (ILMN)

A side-by-side comparison of IDEXX Laboratories, Inc. and Illumina, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 2, 2026. Differences are shown without an overall score or investment verdict.

IDXX

IDEXX Laboratories, Inc.

$40.89B

$518.39HealthcareDelayed quote: Oct 2, 2026, 4:00 PM EDT

ILMN

Illumina, Inc.

$41.31B

$273.04HealthcareDelayed quote: Oct 2, 2026, 4:00 PM EDT

Total return — IDXX vs ILMN

growth of $100 · dividends reinvested · last 10y

IDXX +356.5% (+16.4%/yr)ILMN +48.2% (+4.0%/yr)IDXX compounded faster over this window

IDXX ILMN

IDXX vs ILMN: by the numbers

•ILMN is the larger company ($41.31B vs $40.89B market cap).
•IDXX trades at the lower trailing earnings multiple (36.71 vs 50.94 P/E), one valuation lens rather than an overall verdict.
•IDXX converts more revenue to profit (25.03% vs 18.36% net margin).
•IDXX grew revenue faster over the past five years (8.37% vs 5.04% CAGR).

Metrics side by side

Valuation

Metric	IDXX	ILMN
P/E ratio	36.71	50.94
Forward P/E	35.13	51.00
PEG ratio	2.57	11.99
P/S ratio	8.98	9.19
P/B ratio	25.36	14.56
EV / EBITDA	25.91	35.22
FCF yield	3.06%	2.27%

Profitability

Metric	IDXX	ILMN
Gross margin	62.45%	66.79%
Operating margin	32.03%	20.97%
Net margin	25.03%	18.36%
ROE	70.67%	29.07%
ROIC	41.33%	13.74%

Growth (annualized)

Metric	IDXX	ILMN
Revenue CAGR (5Y)	8.37%	5.04%
EPS CAGR (5Y)	14.07%	4.22%
FCF CAGR (5Y)	12.49%	1.03%
Total return CAGR (5Y)	-3.66%	-7.09%

Frequently asked

Which has the lower trailing P/E, IDXX or ILMN?: IDXX has the lower trailing P/E: IDXX trades at 36.71 and ILMN at 50.94. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, IDXX or ILMN?: Over the past five years, IDXX grew revenue faster — IDXX at a 8.37% CAGR versus ILMN at 5.04%.
Is IDXX or ILMN more profitable?: IDXX runs the higher net margin — IDXX at 25.03% versus ILMN at 18.36%.
How have IDXX and ILMN total returns compared?: Over the past 10 years, IDXX delivered 16.47% and ILMN delivered 4.17% annualized total return. Past performance doesn't predict future results.

Go deeper

Full IDXX analysis Full ILMN analysis Interactive comparison tool

Dig into the metrics

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

IDEXX Laboratories & Illumina 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 October 2, 2026.