IONS vs BIIB: Which Stock is Better?
Side-by-side comparison of Ionis Pharmaceuticals Inc and Biogen Inc in 2026
IONS
Ionis Pharmaceuticals Inc
$76.82
BIIB
Biogen Inc
$180.54
Key Metrics Comparison
| Metric | IONS | BIIB | Winner |
|---|---|---|---|
| Market Cap | $12.68B | $26.50B | BIIB |
| P/E Ratio | N/A | 20.54 | BIIB |
| EPS (TTM) | $N/A | $8.79 | BIIB |
| Revenue Growth | -0.1% | -0.1% | BIIB |
| Gross Margin | 1.3% | 78.9% | BIIB |
Analyze IONS
Full quant analysis
Analyze BIIB
Full quant analysis
Analyze Each Stock
Frequently Asked Questions
Is IONS or BIIB a better investment?
Comparing IONS and BIIB: Ionis Pharmaceuticals Inc has a market cap of $12.68B while Biogen Inc has $26.50B. Both companies have their strengths - use our detailed metrics comparison to make an informed decision.
What is the difference between IONS and BIIB?
IONS (Ionis Pharmaceuticals Inc) and BIIB (Biogen Inc) differ in valuation, growth rates, and profitability metrics. Our comparison shows which company leads in each category.
Which stock has better value: IONS or BIIB?
Based on P/E ratios, compare detailed valuation metrics on our dashboard.
Which is growing faster: IONS or BIIB?
BIIB has higher revenue growth at -0.1% vs -0.1% for IONS.
Which company is more profitable: IONS or BIIB?
Biogen Inc (BIIB) has higher gross margins at 78.9% compared to 1.3% for IONS.
Which is the larger company: IONS or BIIB?
Biogen Inc (BIIB) is larger with a market cap of $26.50B compared to $12.68B for IONS.
Should I buy IONS or BIIB in 2026?
Both IONS and BIIB have investment merit. IONS trades at $76.82 while BIIB trades at $180.54. Consider your investment goals, risk tolerance, and portfolio diversification before deciding. Our AI analysis tools can provide personalized insights.
What are the key differences between IONS and BIIB stock?
Key differences: Market Cap ($12.68B vs $26.50B), P/E Ratio (N/A vs 20.5x), Revenue Growth (-0.1% vs -0.1%), Gross Margin (1.3% vs 78.9%).