US · USD

BIIB

Biogen Inc

$219.88-1.32% (-$2.94)
Day's range
$219.81 – $224.08
Day's volume
$170.2M
52-week range
$142.26 – $228.69

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BIIB in numbers

Market cap
$32.5B
P/E
23.66
Dividend yield (12m)
0.00%

BIIB trades at 23.66 times its earnings of the last 12 months.

BIIB price history

10/03/202510/02/2026
Compare with

BIIB risk and return

Monthly closes adjusted for splits and distributions.

Metric12 months36 months60 months
Return+20.75%-6.07%-6.73%
Volatility (annualized)17.39%23.69%27.34%
Largest drawdown-6.07%-53.21%-60.32%
Positive months7/1216/3625/60

How much did investing in BIIB return?

$1,000.00 invested on 11/01/2021 would be worth $932.72 today.

Value today in BIIB
$932.72
Return over the period
-6.73%
Return per year
-1.41%
In the S&P 500
$1,690.98

With dividends reinvested, before taxes and costs, at month-end closes. Past returns do not guarantee future ones.

BIIB fundamentals

Valuation

  • P/E
    23.66
  • P/B
    —
  • EV/EBITDA
    —
  • EV/EBIT
    —
  • EV/Revenue
    3.90
  • P/EBIT
    —
  • P/S
    3.27
  • P/OCF
    12.53
  • P/FCF
    13.40
  • Earnings yield
    —
  • PEG ratio
    —
  • Earnings per share
    $9.29
  • Book value per share
    —

Debt

  • Net debt
    $6.3B
  • Net debt/EBITDA
    —
  • Net debt/Equity
    —
  • Debt/Equity
    —
  • Current ratio
    3.06
  • Quick ratio
    2.41
  • Cash ratio
    —

Efficiency

  • Gross margin
    75.49%
  • EBITDA margin
    —
  • Operating margin
    —
  • Net margin
    13.81%
  • Asset turnover
    0.34

Profitability

  • ROE
    —
  • ROA
    4.65%
  • ROIC
    —
  • Payout
    0.00%

Growth

  • Revenue CAGR (5 years)
    -4.64%
  • Earnings CAGR (5 years)
    -14.55%
  • Revenue growth (year)
    —
  • Earnings growth (year)
    —
  • Revenue growth (quarter)
    —
  • Earnings growth (quarter)
    —

BIIB's indicators by year

Multiples at each year's closing price; margins and returns from that year's statements.

Indicator20252024202320222021202020192018
P/E19.9813.7232.4013.1322.669.328.7713.36
P/B——2.542.993.243.493.874.54
EV/EBITDA————12.488.937.099.77
Earnings per share$8.81$11.15$7.99$21.09$10.59$26.26$33.83$22.52
Book value per share——$101.81$92.73$74.14$70.24$76.66$66.29
ROE——7.84%22.74%14.28%37.39%44.13%33.98%
ROIC————16.05%20.17%39.62%25.16%
Gross margin75.69%76.12%74.24%77.61%80.79%86.57%86.40%86.50%
EBITDA margin————30.31%37.24%52.21%48.61%
Net margin13.07%16.87%11.80%29.95%14.17%29.76%40.96%32.93%
Net debt/EBITDA————1.881.480.210.72

BIIB's financial statements

Line202520242023202220212020
Net revenue$9.9B$9.7B$9.8B$10.2B$11B$13.4B
Cost of revenue-$2.4B-$2.3B-$2.5B-$2.3B-$2.1B-$1.8B
Gross profit$7.5B$7.4B$7.3B$7.9B$8.9B$11.6B
EBITDA————$3.3B$5B
EBIT————$2.8B$4.6B
Financial result-$305.6M-$343.6M-$315.5M$108.2M-$1.1B$497.4M
Income before tax$1.6B$1.9B$1.3B$3.6B$1.7B$5B
Income tax-$263.6M-$273.8M-$135.3M-$632.8M-$52.5M-$992.3M
Net income$1.3B$1.6B$1.2B$3B$1.6B$4B

Figures the company filed with the CVM. Debt excludes leases; each quarter is that quarter alone.

Does BIIB pay dividends?

BIIB has no distributions on record.

About Biogen

Sector
Manufacturing

Questions about BIIB

How much is BIIB today?

BIIB is at $219.88 (-1.32% on the day), last traded on 10/02/2026.

How much did BIIB return in 12 months?

BIIB returned 20.75% in 12 months, with annualized volatility of 17.39% and a largest drawdown of -6.07%.