Is BIIB or DXCM cheaper?

On trailing earnings, BIIB is cheaper: BIIB trades at a 21.42 P/E and DXCM at 32.21.

Which has grown faster, BIIB or DXCM?

Over the past five years, DXCM grew revenue faster — BIIB at a -4.80% CAGR versus DXCM at 18.91%.

Is BIIB or DXCM more profitable?

DXCM runs the higher net margin — BIIB at 13.92% versus DXCM at 19.31%.

Which has been the better investment, BIIB or DXCM?

Over the past 10-year, DXCM delivered the higher annualized total return — BIIB at -2.05% versus DXCM at 15.40%. Past performance doesn't predict future results.

Biogen Inc. (BIIB) vs DexCom, Inc. (DXCM)

DXCM leads on 8 of 15 compared metrics, though BIIB is the cheaper stock.

A side-by-side comparison of Biogen Inc. and DexCom, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 13, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

Not enough overlapping price history to compare BIIB and DXCM.

BIIB vs DXCM: by the numbers

•BIIB is the larger company ($29.53B vs $29.08B market cap).
•BIIB trades at the lower earnings multiple (21.42 vs 32.21 P/E).
•DXCM converts more revenue to profit (19.31% vs 13.92% net margin).
•DXCM grew revenue faster over the past five years (18.91% vs -4.80% CAGR).

Which is better, BIIB or DXCM?

Metric tally: BIIB 7 · DXCM 8

It depends on what you're optimizing for:

ValueBIIB(lower P/E)

GrowthDXCM(faster 5Y revenue CAGR)

QualityDXCM(higher ROIC)

Valuation

Metric	BIIB	DXCM
P/E ratio	21.42●	32.21
Forward P/E	12.23●	24.42
P/S ratio	3.01●	6.16
P/B ratio	1.59●	10.03
PEG ratio	—	0.66
EV / EBITDA	12.16●	20.28
FCF yield	8.83%●	4.82%

Profitability

Metric	BIIB	DXCM
Gross margin	69.77%●	61.84%
Operating margin	15.65%	21.45%●
Net margin	13.92%	19.31%●
ROE	7.36%	31.47%●
ROIC	6.62%	16.61%●

Growth (annualized)

Metric	BIIB	DXCM
Revenue CAGR (5Y)	-4.80%	18.91%●
EPS CAGR (5Y)	-18.67%	10.31%●
FCF CAGR (5Y)	-3.59%	43.37%●
Total return CAGR (5Y)	-12.79%	-5.51%●

Frequently asked

Which is better, BIIB or DXCM?: It depends on your goal. value: BIIB (lower P/E); growth: DXCM (faster 5Y revenue CAGR); quality: DXCM (higher ROIC). Across all compared metrics, DXCM leads 8 to 7.
Is BIIB or DXCM cheaper?: On trailing earnings, BIIB is cheaper: BIIB trades at a 21.42 P/E and DXCM at 32.21.
Which has grown faster, BIIB or DXCM?: Over the past five years, DXCM grew revenue faster — BIIB at a -4.80% CAGR versus DXCM at 18.91%.
Is BIIB or DXCM more profitable?: DXCM runs the higher net margin — BIIB at 13.92% versus DXCM at 19.31%.
Which has been the better investment, BIIB or DXCM?: Over the past 10-year, DXCM delivered the higher annualized total return — BIIB at -2.05% versus DXCM at 15.40%. Past performance doesn't predict future results.

Go deeper

Full BIIB analysis Full DXCM analysis Interactive comparison tool

Dig into the metrics

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

Biogen & DexCom appear in these rankings

Fastest Revenue Growth Stocks Highest ROE Stocks Highest FCF Yield Stocks Best 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 June 13, 2026.