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BiogenBIIB

Biotechnology · Cambridge, Massachusetts · In the S&P 500
Solid business
$253.62+1.59%After hours: $253.62 (0.00%)At the close, 30 Oct · Prices from CNBC, may be delayed
▲ 71.5% over 1 year
Biogen over 1 yearDaily close, $, to 30 Oct 2026
$150$200Nov2026MarMayJulSep$253.62$150$200NovMarJul$253.62
Source: Nasdaq daily closes
Market value$37.49B
Price to earnings108.6x
Forward P/E20.5x
Dividend yield–
Year to date+44.1%
One year+71.5%
Next earningsNot scheduled
52-week range (closes)
$149.33$253.84

Quality and valuation

How Biogen compares with other health care stocks. A description, not a recommendation.

Biogen and 7 biotechnology peers. Across: valuation (P/E) against the sector. Up: business quality against the sector. Hover or tap a logo for its numbers.

Business quality: about averageValuation: in line with its sector

An average business among health care companies, priced about in line with them.

Biogen trades at 20.5 times the next 12 months of expected earnings, against a median of 19.1x for the 65 health care stocks we cover. The quality score blends where it ranks on revenue growth, gross margin, operating margin and free-cash-flow margin (net margin for banks and insurers) over the last 12 months, from SEC filings.

  • Revenue grew slower than the sector median: +2.3% vs +7.8%
  • Keeps more of each sale (gross margin): 74.0% vs 65.3%
  • Turns more of its sales into cash: 20.1% vs 15.9%
  • Keeps less of its revenue as profit (net margin): 3.4% vs 9.7%
BIIB trades at 20.5x forward earnings, above the sector medianForward p/e, Biotechnology peers
REGN14.3xGILD19.4xABBV19.6xAMGN19.8xBIIB20.5xVRTX29.3xINCY61.0xSector median 19.1xREGN14.3xGILD19.4xABBV19.6xAMGN19.8xBIIB20.5xVRTX29.3xINCY61.0xSector median 19.1x
Source: CNBC quotes; Mostly Markets
At 108.4x earnings, BIIB is pricier than its average since Oct 2024Price over the last 12 months of reported (GAAP) diluted EPS
P/EUsual range (±1 s.d.)
50x100xAverage 19.3x20252026108.4x50xAverage 19.3x20252026108.4x
Source: Nasdaq prices; SEC filings

Financials

From Biogen's SEC filings, through the quarter ending 30 Sep 2026. Hover or tap a bar for its value.

Revenue grew 10.6% from a year earlierQuarterly revenue, $bn, latest Q3 ’26
$0bn$1bn$2bnQ4 ’24Q2 ’25Q4 ’25$2.8bnQ3 ’26$0bn$1bn$2bnQ4 ’24Q2 ’25Q4 ’25$2.8bnQ3 ’26
Source: SEC filings
Growth sped up to +10.6% last quarterRevenue growth, year on year, %
−5%0%5%10%Q4 ’24Q2 ’25Q4 ’2510.6%Q3 ’260%10%Q4 ’24Q2 ’25Q4 ’2510.6%Q3 ’26
Source: SEC filings
Free cash flow was $2.1 billion over 12 monthsQuarterly free cash flow (operating cash flow minus capex), $bn
$0.0bn$0.5bn$1.0bnQ4 ’24Q2 ’25Q4 ’25$0.6bnQ3 ’26$0.0bn$0.5bn$1.0bnQ4 ’24Q2 ’25Q4 ’25$0.6bnQ3 ’26
Source: SEC filings
Diluted EPS was $-0.14 last quarterQuarterly diluted earnings per share, $
$0$2$4Q4 ’24Q2 ’25Q4 ’25−$0.14Q3 ’26$0$2$4Q4 ’24Q2 ’25Q4 ’25−$0.14Q3 ’26
Source: SEC filings
Last 12 monthsBIIBSector median
Revenue growth+2.3%+7.8%
Gross margin74.0%65.3%
Free cash flow margin20.1%15.9%
Price to earnings108.6x30.2x

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CompanyPriceTodayYTDValue
ABBVAbbVie$294.89+1.41%+29.1%$521B
AMGNAmgen$466.01+1.15%+42.4%$252B
GILDGilead Sciences$170.68+3.06%+39.1%$212B
VRTXVertex Pharmaceuticals$558.88+3.50%+23.3%$142B
REGNRegeneron Pharmaceuticals$927.89+13.33%+20.2%$95.53B
MRNAModerna$221.72−0.47%+651.8%$88.52B
INCYIncyte$120.39+3.07%+21.9%$24.40B