Is BIIB or ZTS cheaper?

On trailing earnings, ZTS is cheaper: BIIB trades at a 21.42 P/E and ZTS at 13.20.

Which has grown faster, BIIB or ZTS?

Over the past five years, ZTS grew revenue faster — BIIB at a -4.80% CAGR versus ZTS at 6.28%.

Does BIIB or ZTS pay a bigger dividend?

ZTS pays a dividend (2.59% yield) while BIIB does not currently pay one.

Is BIIB or ZTS more profitable?

ZTS runs the higher net margin — BIIB at 13.92% versus ZTS at 27.79%.

Which has been the better investment, BIIB or ZTS?

Over the past 10-year, ZTS delivered the higher annualized total return — BIIB at -2.05% versus ZTS at 6.19%. Past performance doesn't predict future results.

Biogen Inc. (BIIB) vs Zoetis Inc. (ZTS)

ZTS leads on 10 of 14 compared metrics.

A side-by-side comparison of Biogen Inc. and Zoetis 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).

Total return — BIIB vs ZTS

growth of $100 · last 13y

BIIB +27.2%ZTS +156.6%ZTS compounded faster

BIIB ZTS

BIIB vs ZTS: by the numbers

•ZTS is the larger company ($33.36B vs $29.53B market cap).
•ZTS trades at the lower earnings multiple (13.20 vs 21.42 P/E).
•ZTS converts more revenue to profit (27.79% vs 13.92% net margin).
•ZTS grew revenue faster over the past five years (6.28% vs -4.80% CAGR).
•ZTS pays a dividend (2.59% yield) while BIIB does not currently pay one.

Which is better, BIIB or ZTS?

Metric tally: BIIB 4 · ZTS 10

It depends on what you're optimizing for:

ValueZTS(lower P/E)

GrowthZTS(faster 5Y revenue CAGR)

QualityZTS(higher ROIC)

Valuation

Metric	BIIB	ZTS
P/E ratio	21.42	13.20●
Forward P/E	12.23	10.75●
P/S ratio	3.01●	3.53
P/B ratio	1.59●	10.40
PEG ratio	—	2.04
EV / EBITDA	12.16	10.15●
FCF yield	8.83%●	6.35%

Profitability

Metric	BIIB	ZTS
Gross margin	69.77%	70.75%
Operating margin	15.65%	37.57%●
Net margin	13.92%	27.79%●
ROE	7.36%	81.75%●
ROIC	6.62%	21.54%●

Dividends

Metric	BIIB	ZTS
Dividend yield	—	2.59%
Payout ratio	—	34.16%

Growth (annualized)

Metric	BIIB	ZTS
Revenue CAGR (5Y)	-4.80%	6.28%●
EPS CAGR (5Y)	-18.67%	11.88%●
FCF CAGR (5Y)	-3.59%	4.90%●
Total return CAGR (5Y)	-12.79%●	-14.40%

Frequently asked

Which is better, BIIB or ZTS?: It depends on your goal. value: ZTS (lower P/E); growth: ZTS (faster 5Y revenue CAGR); quality: ZTS (higher ROIC). Across all compared metrics, ZTS leads 10 to 4.
Is BIIB or ZTS cheaper?: On trailing earnings, ZTS is cheaper: BIIB trades at a 21.42 P/E and ZTS at 13.20.
Which has grown faster, BIIB or ZTS?: Over the past five years, ZTS grew revenue faster — BIIB at a -4.80% CAGR versus ZTS at 6.28%.
Does BIIB or ZTS pay a bigger dividend?: ZTS pays a dividend (2.59% yield) while BIIB does not currently pay one.
Is BIIB or ZTS more profitable?: ZTS runs the higher net margin — BIIB at 13.92% versus ZTS at 27.79%.
Which has been the better investment, BIIB or ZTS?: Over the past 10-year, ZTS delivered the higher annualized total return — BIIB at -2.05% versus ZTS at 6.19%. Past performance doesn't predict future results.

Go deeper

Full BIIB analysis Full ZTS analysis Interactive comparison tool

Dig into the metrics

Biogen P/E ratio Zoetis P/E ratio Biogen dividend yield Zoetis dividend yield Biogen ROE Zoetis ROE Biogen operating margin Zoetis operating margin Biogen revenue growth Zoetis revenue growth Biogen free cash flow Zoetis free cash flow

Biogen & Zoetis appear in these rankings

Highest Dividend Yield 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 June 14, 2026.