BIOGEN INC.

BIIB· Nasdaq· Biological Products, (No Diagnostic Substances)

Market cap
–
P/FCF
–
EV/Sales
–
FCF margin
20.7%
ROIC, 5 yr avg
–
Revenue, 5 yr CAGR
-6.0%
We record prices for the companies we cover; BIIB is not one of them yet.

Company statistics

From the 10-Ks, computed in code · point at a figure for its formula

Profile · FY2025

Market cap
–
Enterprise value
–
Diluted shares
147.1M
Revenue
$9.9B
Free cash flow
$2.1B
Owner earnings
$1.8B

Valuation · FY2025

P/E
–
P/FCF
–
P/Owner earnings
–
EV/Sales
–
EV/FCF
–
P/B
–

Margins · FY2025

Gross
–
Operating
–
Net
13.1%
Free cash flow
20.7%
Owner earnings
17.8%
Stock pay
2.9%

Returns

ROIC, FY2025
–
ROIC, 5 yr avg
–
ROE, FY2025
7.1%
ROE, 5 yr avg
12.3%

Growth (CAGR)

Revenue, 3 yr
-0.9%
Revenue, 5 yr
-6.0%
Revenue, 9 yr
-1.6%
Diluted EPS, 3 yr
-25.0%
Diluted EPS, 5 yr
-18.7%
Diluted EPS, 9 yr
-7.0%
Free cash flow, 3 yr
21.5%
Free cash flow, 5 yr
-11.6%
Free cash flow, 9 yr
-7.1%

Financial health · FY2025

Cash and investments
$3.8B
Total debt
$6.3B
Net debt
$2.5B
Debt/Equity
0.3x
Debt/FCF
3.1x

Shareholder returns · FY2025

Dividend yield
–
Payout ratio
–
Buyback yield
–
Shareholder yield
–
Share count, 5 yr
-1.8%

Financials: ten years from the 10-Ks

Reported numbers open their filing · computed ones show the formula · ˢ split-adjusted

Revenue

$9.9B

-1.6% a year over 9 years

FY2016: Revenue $11.4BFY2017: Revenue $12.3BFY2018: Revenue $13.5BFY2019: Revenue $14.4BFY2020: Revenue $13.4BFY2021: Revenue $11.0BFY2022: Revenue $10.2BFY2023: Revenue $9.8BFY2024: Revenue $9.7BFY2025: Revenue $9.9B
FY2016FY2025

Margins

Gross–Operating–Net13.1%

FY2025

FY2016: Gross 87.1%, Operating 45.0%, Net 32.3%FY2017: Gross 86.7%, Operating 43.6%, Net 20.7%FY2018: Gross 86.5%, Operating 43.8%, Net 32.9%FY2019: Gross 86.4%, Operating 49.0%, Net 41.0%FY2020: Gross 86.6%, Operating 33.8%, Net 29.8%FY2021: Gross –, Operating 25.9%, Net 14.2%FY2022: Gross –, Operating –, Net 29.9%FY2023: Gross –, Operating –, Net 11.8%FY2024: Gross –, Operating –, Net 16.9%FY2025: Gross –, Operating –, Net 13.1%
FY2016FY2025

Free cash flow and owner earnings

Free cash flow$2.1BOwner earnings$1.8B

Free cash flow -7.1% a year

FY2016: Free cash flow $4.0B, Owner earnings $3.8BFY2017: Free cash flow $3.7B, Owner earnings $3.6BFY2018: Free cash flow $5.4B, Owner earnings $5.3BFY2019: Free cash flow $6.6B, Owner earnings $6.4BFY2020: Free cash flow $3.8B, Owner earnings $3.6BFY2021: Free cash flow $3.4B, Owner earnings $3.1BFY2022: Free cash flow $1.1B, Owner earnings $889.9MFY2023: Free cash flow $1.3B, Owner earnings $1.0BFY2024: Free cash flow $2.7B, Owner earnings $2.4BFY2025: Free cash flow $2.1B, Owner earnings $1.8B
FY2016FY2025

Diluted shares

147.1M

-32.8% over 9 years, net buybacks

FY2016: Diluted shares 218.8MFY2017: Diluted shares 213.0MFY2018: Diluted shares 205.3MFY2019: Diluted shares 187.4MFY2020: Diluted shares 161.3MFY2021: Diluted shares 149.6MFY2022: Diluted shares 146.0MFY2023: Diluted shares 145.6MFY2024: Diluted shares 145.9MFY2025: Diluted shares 147.1M
FY2016FY2025

Return on invested capital

–

FY2025

FY2016: ROIC 23.6%FY2017: ROIC 16.4%FY2018: ROIC 25.2%FY2019: ROIC 44.3%FY2020: ROIC 23.6%FY2021: ROIC 20.6%FY2022: ROIC –FY2023: ROIC –FY2024: ROIC –FY2025: ROIC –
FY2016FY2025

Net debt (below zero)

-$2.5B

$2.5B more debt than cash

FY2016: Net cash -$4.2BFY2017: Net cash -$4.4BFY2018: Net cash -$4.7BFY2019: Net cash $16.9MFY2020: Net cash -$4.8BFY2021: Net cash -$2.5BFY2022: Net cash -$1.4BFY2023: Net cash -$5.9BFY2024: Net cash -$3.9BFY2025: Net cash -$2.5B
FY2016FY2025

Every figure, year by year

Fiscal yearFY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
The business
Revenue$11.4B$12.3B$13.5B$14.4B$13.4B$11.0B$10.2B$9.8B$9.7B$9.9B
Revenue growth6.4%7.2%9.6%6.9%-6.5%-18.3%-7.4%-3.3%-1.6%2.2%
Gross margin87.1%86.7%86.5%86.4%86.6%–––––
Operating margin45.0%43.6%43.8%49.0%33.8%25.9%––––
Net income$3.7B$2.5B$4.4B$5.9B$4.0B$1.6B$3.0B$1.2B$1.6B$1.3B
Net margin32.3%20.7%32.9%41.0%29.8%14.2%29.9%11.8%16.9%13.1%
Diluted EPS$16.93$11.92$21.58$31.42$24.80$10.40$20.87$7.97$11.18$8.79
Return on invested capital?23.6%16.4%25.2%44.3%23.6%20.6%––––
Cash
Operating cash flow$4.6B$4.6B$6.2B$7.1B$4.2B$3.6B$1.4B$1.5B$2.9B$2.2B
Capital expenditure$616.1M$867.4M$770.6M$514.5M$424.8M$258.1M$240.3M$277.0M$153.7M$153.8M
Free cash flow$4.0B$3.7B$5.4B$6.6B$3.8B$3.4B$1.1B$1.3B$2.7B$2.1B
Stock-based compensation$154.8M$128.0M$157.5M$182.3M$198.3M$238.6M$254.1M$264.2M$291.2M$290.8M
Owner earnings?$3.8B$3.6B$5.3B$6.4B$3.6B$3.1B$889.9M$1.0B$2.4B$1.8B
Free cash flow per share$18.15$17.29$26.39$35.03$23.59$22.61$7.84$8.72$18.66$13.94
Capital allocation
Dividends paid––––––––––
Share repurchases$1.0B$1.4B$4.4B$5.9B$6.7B$1.8B$750.0M$0$0–
Diluted shares218.8M213.0M205.3M187.4M161.3M149.6M146.0M145.6M145.9M147.1M
Share count change?-5.4%-2.7%-3.6%-8.7%-13.9%-7.3%-2.4%-0.3%0.2%0.8%
Balance sheet
Cash and equivalents$2.3B$1.6B$1.2B$2.9B$1.3B$2.3B$3.4B$1.0B$2.4B$3.0B
Short-term investments–––$1.6B$1.3B$1.5B$1.5B$0$0$807.2M
Total debt$6.5B$5.9B$5.9B$4.5B$7.4B$6.3B$6.3B$6.9B$6.3B$6.3B
Net debt$4.2B$4.4B$4.7B-$16.9M$4.8B$2.5B$1.4B$5.9B$3.9B$2.5B
Shareholders' equity$12.1B$12.6B$13.0B$13.3B$10.7B$10.9B$13.4B$14.8B$16.7B$18.3B

Latest filings

All on EDGAR
2026-10-288-KEarnings release
2026-10-2810-QQuarterly report
2026-07-2910-QQuarterly report
2026-07-298-KEarnings release
2026-07-018-KEarnings release
2026-04-298-KEarnings release
2026-04-2910-QQuarterly report
2026-04-28DEF 14AProxy statement
2026-04-068-KEarnings release
2026-02-068-KEarnings release

More from our coverage

All coverage