What is Biogen's PEG ratio?

Biogen (BIIB) reported PEG ratio of 0.4× in Q2 2025.

What does PEG ratio mean?

The P/E ratio adjusted for how fast earnings are growing.

How do you interpret PEG ratio?

Around 1.0 is often cited as fairly valued for the growth on offer; below 1.0 can flag a growth bargain. Highly sensitive to the growth input and meaningless when growth is zero or negative.

How does PEG ratio compare across companies?

A rough cross-company growth-adjusted screen; treat as directional given its sensitivity to the (trailing) growth basis.

Biogen BIIB PEG ratio

PEG ratio at other companies

Eli LillyLLY

0.3×-0.6×

Johnson & JohnsonJNJ

0.2×—

Neurocrine BiosciencesNBIX

0.2×—

Krystal Biotech, Inc.KRYS

0.4×+0.1×

Bristol-Myers SquibbBMY

0.5×—

Gilead SciencesGILD

0.3×+0.3×

Other financials

Income statement

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Revenue$2.5B+1.9%

Gross profit$1.8B+0.8%

Operating income$610.7M—

Net income$319.5M+32.8%

EPS (diluted)$2.15+31.1%

Balance sheet

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Cash & equivalents$3.4B+30.2%

Total debt$6.6B+34.7%

Total equity$18.7B+9.9%

Total assets$29.5B+5.2%

Cash flow

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Operating cash flow$645.5M+149%

CapEx$51.2M+38.0%

Free cash flow$594.3M+167%

Valuation

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Market cap$29.02B+34.3%

Enterprise value$32.2B+34.9%

P/E20.4×+5.8×

P/S2.9×+0.7×

Profitability

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Gross margin75.5%-0.1pp

Operating margin22.9%—

Net margin14.3%-0.8pp

FCF margin24.4%-0.4pp

Returns & leverage

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Return on equity8%-1.2pp

Debt / equity0.4×+0.1×

Current ratio3.1×+1.6×

Where this comes from

Calculated from Biogen’s reported figures.

market cap/net income=0.4×

Based on the most recent quarter.

The official record: Biogen’s 10-Q, filed July 31, 2025, on SEC EDGAR. View the filing →

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Questions, answered.

What is Biogen's PEG ratio?: Biogen (BIIB) reported PEG ratio of 0.4× in Q2 2025.
What does PEG ratio mean?: The P/E ratio adjusted for how fast earnings are growing.
How do you interpret PEG ratio?: Around 1.0 is often cited as fairly valued for the growth on offer; below 1.0 can flag a growth bargain. Highly sensitive to the growth input and meaningless when growth is zero or negative.
How does PEG ratio compare across companies?: A rough cross-company growth-adjusted screen; treat as directional given its sensitivity to the (trailing) growth basis.