Which has the lower trailing P/E, REGN or SNY?

REGN has the lower trailing P/E: REGN trades at 19.98 and SNY at 80.55. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, REGN or SNY?

Over the past five years, SNY grew revenue faster — REGN at a 4.64% CAGR versus SNY at 4.96%.

Does REGN or SNY pay a bigger dividend?

REGN yields 0.45% and SNY yields 5.39% based on trailing dividends and the latest price.

Is REGN or SNY more profitable?

REGN runs the higher net margin — REGN at 27.86% versus SNY at 8.10%.

How have REGN and SNY total returns compared?

Over the past 10 years, REGN delivered 7.30% and SNY delivered 5.69% annualized total return. Past performance doesn't predict future results.

Regeneron Pharmaceuticals, Inc. (REGN) vs Sanofi (SNY)

A side-by-side comparison of Regeneron Pharmaceuticals, Inc. and Sanofi across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 28, 2026. Differences are shown without an overall score or investment verdict.

REGN

Regeneron Pharmaceuticals, Inc.

$81.51B

$791.15HealthcareDelayed quote: Aug 28, 2026, 12:25 PM EDT

SNY

Sanofi

$107.47B

$44.76HealthcareDelayed quote: Aug 28, 2026, 12:25 PM EDT

Total return — REGN vs SNY

growth of $100 · dividends reinvested · last 10y

REGN +109.8% (+7.7%/yr)SNY +72.2% (+5.6%/yr)REGN compounded faster over this window

REGN SNY

REGN vs SNY: by the numbers

•SNY is the larger company ($107.47B vs $81.51B market cap).
•REGN trades at the lower trailing earnings multiple (19.98 vs 80.55 P/E), one valuation lens rather than an overall verdict.
•REGN converts more revenue to profit (27.86% vs 8.10% net margin).
•SNY grew revenue faster over the past five years (4.96% vs 4.64% CAGR).
•SNY pays the higher dividend yield (5.39% vs 0.45%).

Metrics side by side

Valuation

Metric	REGN	SNY
P/E ratio	19.98	80.55
Forward P/E	14.89	N/A
P/S ratio	5.55	1.89
P/B ratio	2.72	1.36
EV / EBITDA	19.07	10.17
FCF yield	4.08%	12.72%

Profitability

Metric	REGN	SNY
Gross margin	84.86%	73.01%
Operating margin	25.56%	14.74%
Net margin	27.86%	8.10%
ROE	13.65%	5.82%
ROIC	9.19%	5.42%

Dividends

Metric	REGN	SNY
Dividend yield	0.45%	5.39%
Payout ratio	8.45%	64.36%

Growth (annualized)

Metric	REGN	SNY
Revenue CAGR (5Y)	4.64%	4.96%
EPS CAGR (5Y)	5.70%	-8.92%
FCF CAGR (5Y)	15.77%	12.83%
Total return CAGR (5Y)	4.21%	1.38%

Frequently asked

Which has the lower trailing P/E, REGN or SNY?: REGN has the lower trailing P/E: REGN trades at 19.98 and SNY at 80.55. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, REGN or SNY?: Over the past five years, SNY grew revenue faster — REGN at a 4.64% CAGR versus SNY at 4.96%.
Does REGN or SNY pay a bigger dividend?: REGN yields 0.45% and SNY yields 5.39% based on trailing dividends and the latest price.
Is REGN or SNY more profitable?: REGN runs the higher net margin — REGN at 27.86% versus SNY at 8.10%.
How have REGN and SNY total returns compared?: Over the past 10 years, REGN delivered 7.30% and SNY delivered 5.69% annualized total return. Past performance doesn't predict future results.

Go deeper

Full REGN analysis Full SNY analysis Interactive comparison tool

Dig into the metrics

Regeneron Pharmaceuticals P/E ratio Sanofi P/E ratio Regeneron Pharmaceuticals dividend yield Sanofi dividend yield Regeneron Pharmaceuticals ROE Sanofi ROE Regeneron Pharmaceuticals operating margin Sanofi operating margin Regeneron Pharmaceuticals revenue growth Sanofi revenue growth Regeneron Pharmaceuticals free cash flow Sanofi free cash flow

Regeneron Pharmaceuticals & Sanofi appear in these rankings

Highest Dividend Yield Stocks Highest 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 August 28, 2026.