Is ALNY or IDXX cheaper?

On trailing earnings, IDXX is cheaper: ALNY trades at a 66.81 P/E and IDXX at 39.87.

Which has grown faster, ALNY or IDXX?

Over the past five years, ALNY grew revenue faster — ALNY at a 49.67% CAGR versus IDXX at 9.24%.

Is ALNY or IDXX more profitable?

IDXX runs the higher net margin — ALNY at 13.46% versus IDXX at 24.63%.

Which has been the better investment, ALNY or IDXX?

Over the past 10-year, IDXX delivered the higher annualized total return — ALNY at 16.14% versus IDXX at 19.22%. Past performance doesn't predict future results.

Alnylam Pharmaceuticals, Inc. (ALNY) vs IDEXX Laboratories, Inc. (IDXX)

IDXX leads on 9 of 14 compared metrics.

A side-by-side comparison of Alnylam Pharmaceuticals, Inc. and IDEXX Laboratories, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of July 15, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

ALNY

Alnylam Pharmaceuticals, Inc.

$37.54B

$281.19HealthcareDelayed quote: Jul 15, 2026, 10:50 AM EDT

IDXX

IDEXX Laboratories, Inc.

$44.33B

$562.02HealthcareDelayed quote: Jul 15, 2026, 10:50 AM EDT

Total return — ALNY vs IDXX

growth of $100 · dividends reinvested · last 22y

ALNY +4579.9%IDXX +3453.6%ALNY compounded faster

ALNY IDXX

ALNY vs IDXX: by the numbers

•IDXX is the larger company ($44.33B vs $37.54B market cap).
•IDXX trades at the lower earnings multiple (39.87 vs 66.81 P/E).
•IDXX converts more revenue to profit (24.63% vs 13.46% net margin).
•ALNY grew revenue faster over the past five years (49.67% vs 9.24% CAGR).

Which is better, ALNY or IDXX?

Metric tally: ALNY 5 · IDXX 9

It depends on what you're optimizing for:

ValueIDXX(lower P/E)

GrowthALNY(faster 5Y revenue CAGR)

QualityIDXX(higher ROIC)

Metrics side by side

Valuation

Metric	ALNY	IDXX
P/E ratio	66.81	39.87●
Forward P/E	37.91	36.91●
P/S ratio	9.07●	9.81
P/B ratio	36.15	28.03●
PEG ratio	—	2.31
EV / EBITDA	47.64	28.64●
FCF yield	1.65%	2.48%●

Profitability

Metric	ALNY	IDXX
Gross margin	80.89%●	62.05%
Operating margin	17.54%	31.63%●
Net margin	13.46%	24.63%●
ROE	53.68%	70.38%●
ROIC	13.74%	40.27%●

Growth (annualized)

Metric	ALNY	IDXX
Revenue CAGR (5Y)	49.67%●	9.24%
EPS CAGR (5Y)	—	14.07%
FCF CAGR (5Y)	14.35%●	10.13%
Total return CAGR (5Y)	10.55%●	-3.91%

Frequently asked

Which is better, ALNY or IDXX?: It depends on your goal. value: IDXX (lower P/E); growth: ALNY (faster 5Y revenue CAGR); quality: IDXX (higher ROIC). Across all compared metrics, IDXX leads 9 to 5.
Is ALNY or IDXX cheaper?: On trailing earnings, IDXX is cheaper: ALNY trades at a 66.81 P/E and IDXX at 39.87.
Which has grown faster, ALNY or IDXX?: Over the past five years, ALNY grew revenue faster — ALNY at a 49.67% CAGR versus IDXX at 9.24%.
Is ALNY or IDXX more profitable?: IDXX runs the higher net margin — ALNY at 13.46% versus IDXX at 24.63%.
Which has been the better investment, ALNY or IDXX?: Over the past 10-year, IDXX delivered the higher annualized total return — ALNY at 16.14% versus IDXX at 19.22%. Past performance doesn't predict future results.

Go deeper

Full ALNY analysis Full IDXX analysis Interactive comparison tool

Dig into the metrics

Alnylam Pharmaceuticals P/E ratio IDEXX Laboratories P/E ratio Alnylam Pharmaceuticals dividend yield IDEXX Laboratories dividend yield Alnylam Pharmaceuticals ROE IDEXX Laboratories ROE Alnylam Pharmaceuticals operating margin IDEXX Laboratories operating margin Alnylam Pharmaceuticals revenue growth IDEXX Laboratories revenue growth Alnylam Pharmaceuticals free cash flow IDEXX Laboratories free cash flow

Alnylam Pharmaceuticals & IDEXX Laboratories appear in these rankings

Fastest Revenue Growth Stocks Highest ROE Stocks Highest ROIC Stocks Highest Operating Margin 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 July 15, 2026.