Stocks / BIIB vs NTRA

BIIB vs NTRA: Which Stock Is the Better Buy?

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

NTRA is the larger company ($31.0B vs $30.0B). On the fundamentals, NTRA grows revenue faster (42.6% vs -6.0%); BIIB earns a higher net margin (13.1% vs -9.0%); BIIB has the stronger return on equity (7.1% vs -12.2%). On the filings, BIIB carries fewer potential red flags (1 vs 2). Full numbers below — the stronger figure on each row is in green.

AI verdict — BIIB vs NTRA, 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.

 Biogen Inc. (BIIB)Natera, Inc. (NTRA)
Market cap$30.0B$31.0B
Revenue (latest FY)$9.89B$2.31B
Net income (latest FY)$1.29B$-208.16M
Revenue growth (5y CAGR)-6.0%42.6%
Net margin13.1%-9.0%
Return on equity7.1%-12.2%
P/E ratio36.1
Dividend yield
Profitable years (of last 10)100
Positive free cash flowYesYes

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

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See the full BIIB vs NTRA 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 BIIB's full financials →   Open NTRA's full financials →

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Frequently asked questions

Which is bigger, BIIB or NTRA?

Natera, Inc. is larger by market capitalization — $31.0B versus $30.0B.

Which grows faster, BIIB or NTRA?

Over the last five fiscal years, Natera, Inc. grew revenue faster — 42.6%/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.

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