StockCV
Biogen Inc. Common Stock logo

Biogen Inc.

Biotechnology

$225.71
+3.33%
Market cap $33.4B

Biogen is an established biopharmaceutical company focused on treatments for neurodegenerative and rare diseases. Its declining multiple sclerosis franchise is its largest revenue generator and contributed 40% of total revenue in 2025.

It is a $33.4B healthcare company. Revenue grew 0.3% over the last year, it keeps 8¢ of every dollar of sales as profit, and it holds more cash than debt. It trades at 40.0× earnings — near the highest of its own history.

Website
biogen.com
Location
Cambridge, MA
Employees
7 500
Sector
Healthcare

Skills

Six independent scores, 0–100, built from reported numbers and valuation history. Click a row to see how it was scored.

Valuation57Growth25Profitability35Health53Quality64Moat95

Strong moat; Growth and Profitability lag behind.

Valuation57
  • P/E vs own history99th pct · 0/25
  • FCF yield8.1% · 25/25
  • P/S3.3x · 20/25
  • EV/EBITDA24.1x · 12/25
Growth25
  • Revenue CAGR-2.6% · 0/25
  • Net income CAGR-4.5% · 0/25
  • EPS CAGR ~5Y-18.7% · 0/25
  • Fwd implied growth171.1% · 25/25
Profitability35
  • ROIC7.4% · 5/25
  • ROE4.5% · 5/25
  • Net margin8.3% · 13/25
  • Operating margin10.9% · 12/25
Health53
  • Altman Zn/a · 0/25
  • Current ratio1.87 · 18/25
  • Interest coverage4.2x · 10/25
  • Net cash / debtNet cash · 25/25
Quality64
  • Piotroski F5/9 · 15/25
  • Beneish M-2.17 · 12/25
  • FCF conversion323% · 25/25
  • Margin stabilityσ 12.3% · 12/25
Moat95
  • ROIC >12% years8/10 yrs · 20/25
  • Median gross margin83.6% · 25/25
  • FCF-positive years10/10 yrs · 25/25
  • Worst-year net marginworst 11.8% · 25/25

How the scores work →

Experience

The company's career so far — founding, the IPO, landmark products and acquisitions, plus revenue milestones and insider buying.

  1. 2025Acquisition
    It was announced the acquisition had been completed
  2. FY2024Financial
    Became debt-free
    cash now exceeds total debt
  3. 2024Acquisition
    Biogen acquired Human Immunology Biosciences (HI-Bio) for $1.15 billion
  4. 2023Acquisition
    Biogen acquired Reata Pharmaceuticals, headquartered in Plano, Texas, for nearly $6.5 billion
  5. FY2019Financial
    Best year on record
    $5.89B net income
  6. 2018Acquisition
    It was acquired by Sanofi in 2018 for $11.6 billion
  7. FY2016Financial
    Profitable every year on record
    10 consecutive profitable years in our data
  8. FY2016Financial
    Revenue already above $10B
    $11.4B in first reported year
  9. FY2016Financial
    Positive free cash flow every year since
    10-year streak
  10. 2016Product
    Biogen released Spinraza (nusinersin), a treatment for Spinal Muscular Atrophy
  11. 2015Milestone
    Aducanumab became the first experimental Alzheimer's treatment to show significant results in regard…
  12. 2013Milestone
    Biogen was the first U.S.-based biotechnology company to appear on the Dow Jones Sustainability World Index
  13. 2007Product
    The company reached a licensing agreement with Neurimmune, a spin-off from the University of Zurich, for…
  14. 2003Acquisition
    Biogen merged with San Diego, California-based IDEC Pharmaceuticals (formed in 1985 by University of…

Achievements

Verifiable track record, straight from the reported numbers.

$10 000 invested in 2021 would be worth ~$7 475 today — price return only
$9.9B revenue in FY2025
Profitable 10 years in a row
Positive free cash flow 10 years in a row
7 500 employees

Strengths & watch-outs

What a bull and a bear would each point to. Both lists come from the reported numbers, not opinions.

Strengths

  • High gross margin (74.0%)
  • Strong cash conversion — FCF is 26.9% of revenue
  • Net cash position after subtracting debt from cash

Watch-outs

Nothing stands out as a concern in the available data.

Qualifications

The basics a company should meet before you research it further. Each check uses the reported numbers.

8 of 10 checks passed
  • Revenue growing+0.3% YoY
  • Profitable$835M TTM
  • Profit growing-25.0% YoY
  • Generates cash$2.70B TTM
  • Debt under controlmore cash than debt
  • Established company$33.4B market cap
  • Not printing shares-8.8% shares over ~5y
  • Proven track record10/10 profitable years
  • Financially stablehealth score 28/100
  • Pays a dividendno data
  • Valuation not extremeP/E 40.0
Peer comparisonBiogen Inc. vs 6 largest healthcare peers — cap, P/E, growth and margin side by sideOpen ▾
CompanyMarket capP/ERevenue growthNet marginProfile
BIIB this company$33.4B40.0+0.3%8.3%Strained
LLY Eli Lilly & Co.$1.0T41.6+49.6%33.5%Solid
JNJ Johnson & Johnson$630.9B29.9+8.1%21.5%Mixed
ABBV Abbvie Inc.$488.5B77.4+10.4%9.8%Mixed
MRK Merck & Co., Inc.$361.0B113.2+4.6%4.8%Mixed
UNH UNITEDHEALTH GROUP INCORPORATED (Delaware)$340.7B24.1+6.5%3.1%Mixed
NVS Novartis AG$273.2B20.3+9.6%24.7%Solid

Head-to-head: BIIB vs LLY · BIIB vs JNJ · BIIB vs ABBV

References

What covering analysts publish about the company — information only, not a recommendation.

Strong buy 10Buy 20Hold 12Sell 1

Appendix · Financial records

The full statements behind this CV, FY2016–FY2025. For readers who want to check the numbers.

Want the live picture — intraday moves, valuation history and full analysis?

Deeper analysis of BIIB on PreMarketPrice

Figures are derived from company filings (quarterly values normalised from as-filed year-to-date data where applicable) and may be delayed, restated or incomplete. This page is information, not investment advice. Latest price $225.71 · market cap $33.4B.