Stocks / AVTR vs BIIB

AVTR vs BIIB: Which Stock Is the Better Buy?

Avantor, Inc. and Biogen Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Healthcare.

BIIB is the larger company ($30.0B vs $6.6B). On the fundamentals, AVTR grows revenue faster (0.5% vs -6.0%); BIIB earns a higher net margin (13.1% vs -8.1%); BIIB has the stronger return on equity (7.1% vs -9.5%). On the filings, BIIB carries fewer potential red flags (1 vs 3). Full numbers below — the stronger figure on each row is in green.

AI verdict — AVTR vs BIIB, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Avantor, Inc. (AVTR)Biogen Inc. (BIIB)
Market cap$6.6B$30.0B
Revenue (latest FY)$6.55B$9.89B
Net income (latest FY)$-530.20M$1.29B
Revenue growth (5y CAGR)0.5%-6.0%
Net margin-8.1%13.1%
Return on equity-9.5%7.1%
P/E ratio36.1
Dividend yield
Profitable years (of last 10)610
Positive free cash flowYesYes

Verify the comparison

Use the filing period and source shown by each tool before treating two figures as comparable.

Compare with another company:

See the full AVTR vs BIIB breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open AVTR's full financials →   Open BIIB's full financials →

More comparisons

Frequently asked questions

Which is bigger, AVTR or BIIB?

Biogen Inc. is larger by market capitalization — $30.0B versus $6.6B.

Which grows faster, AVTR or BIIB?

Over the last five fiscal years, Avantor, Inc. grew revenue faster — 0.5%/yr versus -6.0%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

Keep exploring

AVTR fundamentals → · BIIB fundamentals → · All 1,500+ companies → · Free screener →