IDEXX Laboratories, Inc. (IDXX) vs Regeneron Pharmaceuticals, Inc. (REGN)

REGN leads on 11 of 16 compared metrics.

A side-by-side comparison of IDEXX Laboratories, Inc. and Regeneron Pharmaceuticals, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 14, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

IDEXX Laboratories, Inc. logo
IDXX
IDEXX Laboratories, Inc.
$44.24B
$560.88Healthcare
Regeneron Pharmaceuticals, Inc. logo
REGN
Regeneron Pharmaceuticals, Inc.
$63.06B
$612.14Healthcare

Total return — IDXX vs REGN

growth of $100 · last 30y
IDXX +10042.5%REGN +3554.6%IDXX compounded faster
05k10kStart $100200120062011201620212026$10,142$3,655
IDXX REGN

IDXX vs REGN: by the numbers

  • •REGN is the larger company ($63.06B vs $44.24B market cap).
  • •REGN trades at the lower earnings multiple (14.92 vs 41.36 P/E).
  • •REGN converts more revenue to profit (29.65% vs 24.63% net margin).
  • •REGN grew revenue faster over the past five years (10.16% vs 9.24% CAGR).
  • •REGN pays a dividend (0.59% yield) while IDXX does not currently pay one.

Which is better, IDXX or REGN?

Metric tally: IDXX 5 · REGN 11

It depends on what you're optimizing for:

ValueREGN(lower P/E)
GrowthREGN(faster 5Y revenue CAGR)
QualityIDXX(higher ROIC)

Valuation

MetricIDXXREGN
P/E ratio41.3614.92●
Forward P/E33.8511.30●
P/S ratio10.184.42●
P/B ratio29.082.10●
PEG ratio2.30●3.38
EV / EBITDA29.6111.43●
FCF yield2.39%6.30%●

Profitability

MetricIDXXREGN
Gross margin62.05%84.55%●
Operating margin31.63%●24.32%
Net margin24.63%29.65%●
ROE70.38%●14.08%
ROIC40.27%●8.51%

Dividends

MetricIDXXREGN
Dividend yield—0.59%
Payout ratio—8.45%

Growth (annualized)

MetricIDXXREGN
Revenue CAGR (5Y)9.24%10.16%●
EPS CAGR (5Y)14.07%●5.70%
FCF CAGR (5Y)10.13%15.42%●
Total return CAGR (5Y)-0.82%3.26%●

Frequently asked

Which is better, IDXX or REGN?
It depends on your goal. value: REGN (lower P/E); growth: REGN (faster 5Y revenue CAGR); quality: IDXX (higher ROIC). Across all compared metrics, REGN leads 11 to 5.
Is IDXX or REGN cheaper?
On trailing earnings, REGN is cheaper: IDXX trades at a 41.36 P/E and REGN at 14.92.
Which has grown faster, IDXX or REGN?
Over the past five years, REGN grew revenue faster — IDXX at a 9.24% CAGR versus REGN at 10.16%.
Does IDXX or REGN pay a bigger dividend?
REGN pays a dividend (0.59% yield) while IDXX does not currently pay one.
Is IDXX or REGN more profitable?
REGN runs the higher net margin — IDXX at 24.63% versus REGN at 29.65%.
Which has been the better investment, IDXX or REGN?
Over the past 10-year, IDXX delivered the higher annualized total return — IDXX at 20.22% versus REGN at 5.19%. Past performance doesn't predict future results.

Go deeper

Full IDXX analysisFull REGN analysisInteractive comparison tool

Dig into the metrics

IDEXX Laboratories P/E ratioRegeneron Pharmaceuticals P/E ratioIDEXX Laboratories dividend yieldRegeneron Pharmaceuticals dividend yieldIDEXX Laboratories ROERegeneron Pharmaceuticals ROEIDEXX Laboratories operating marginRegeneron Pharmaceuticals operating marginIDEXX Laboratories revenue growthRegeneron Pharmaceuticals revenue growthIDEXX Laboratories free cash flowRegeneron Pharmaceuticals free cash flow

IDEXX Laboratories & Regeneron Pharmaceuticals appear in these rankings

Highest ROE StocksHighest ROIC StocksHighest Operating Margin StocksHighest FCF Yield 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 June 14, 2026.