Current and historical daily PS Ratio for Biogen Inc (
) from 1991 to Jul 21 2026. The price to sales ratio is calculated by taking the current stock price and dividing it by the trailing twelve-month sales per share. The data is updated every 20 minutes during market hours. The PS ratio is an excellent valuation indicator if you want to compare a stock with its historical valuation or with the stocks in the same industry. The PS ratio works especially well when you want to compare the stock's current valuation with its historical valuation. The PS ratio is a great valuation tool for evaluating cyclical businesses where the PE ratio works poorly. It works the best when comparing the current valuation with the historical valuation because over time, a company's profit margin tends to revert to the mean. Biogen stock (BIIB) PS ratio as of Jul 21 2026 is 2.98.
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Biogen Inc (BIIB) PS Ratio Chart
Biogen Inc (BIIB) PS Ratio Historical Data
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| Biogen PS Ratio Historical Data | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Date | PS Ratio Data | Date | PS Ratio Data | ||||||
| 2026-07-21 | 3.0 | 3.02 | 2.95 | 3 | 2026-05-14 | 3.0 | 3.04 | 2.81 | 2.84 |
| 2026-07-20 | 3.0 | 3.05 | 2.96 | 2.97 | 2026-05-13 | 3.0 | 3.06 | 2.95 | 3.04 |
| 2026-07-17 | 3.1 | 3.2 | 3.02 | 3.06 | 2026-05-12 | 3.0 | 3 | 2.92 | 2.96 |
| 2026-07-16 | 2.9 | 3.11 | 2.89 | 3.1 | 2026-05-11 | 2.9 | 2.97 | 2.89 | 2.94 |
| 2026-07-15 | 2.8 | 2.95 | 2.76 | 2.93 | 2026-05-08 | 2.8 | 2.9 | 2.81 | 2.87 |
| 2026-07-14 | 3.0 | 3 | 2.81 | 2.85 | 2026-05-07 | 2.8 | 2.85 | 2.8 | 2.84 |
| 2026-07-13 | 3.0 | 3.13 | 2.94 | 3.1 | 2026-05-06 | 2.8 | 2.84 | 2.8 | 2.83 |
| 2026-07-10 | 2.9 | 2.97 | 2.89 | 2.96 | 2026-05-05 | 2.8 | 2.82 | 2.76 | 2.81 |
| 2026-07-09 | 3.0 | 2.98 | 2.91 | 2.95 | 2026-05-04 | 2.8 | 2.78 | 2.75 | 2.78 |
| 2026-07-08 | 3.0 | 3.07 | 2.95 | 2.97 | 2026-05-01 | 2.8 | 2.83 | 2.76 | 2.78 |
| 2026-07-07 | 3.1 | 3.15 | 3.05 | 3.05 | 2026-04-30 | 2.9 | 2.91 | 2.78 | 2.81 |
| 2026-07-06 | 3.2 | 3.21 | 3.09 | 3.09 | 2026-04-29 | 2.7 | 2.91 | 2.67 | 2.89 |
| 2026-07-02 | 3.2 | 3.25 | 3.13 | 3.21 | 2026-04-28 | 2.7 | 2.74 | 2.7 | 2.72 |
| 2026-07-01 | 3.2 | 3.2 | 3.11 | 3.11 | 2026-04-27 | 2.7 | 2.76 | 2.66 | 2.68 |
| 2026-06-30 | 3.2 | 3.24 | 3.16 | 3.21 | 2026-04-24 | 2.8 | 2.77 | 2.72 | 2.74 |
| 2026-06-29 | 3.2 | 3.26 | 3.18 | 3.22 | 2026-04-23 | 2.8 | 2.83 | 2.78 | 2.79 |
| 2026-06-26 | 3.0 | 3.24 | 3 | 3.21 | 2026-04-22 | 2.8 | 2.86 | 2.8 | 2.82 |
| 2026-06-25 | 3.0 | 3.07 | 2.97 | 3 | 2026-04-21 | 2.7 | 2.79 | 2.7 | 2.76 |
| 2026-06-24 | 3.0 | 3 | 2.95 | 2.96 | 2026-04-20 | 2.7 | 2.74 | 2.65 | 2.72 |
| 2026-06-23 | 3.0 | 2.99 | 2.92 | 2.93 | 2026-04-17 | 2.6 | 2.65 | 2.61 | 2.63 |
| 2026-06-22 | 3.0 | 2.98 | 2.89 | 2.96 | 2026-04-16 | 2.6 | 2.67 | 2.6 | 2.61 |
| 2026-06-18 | 3.0 | 2.98 | 2.87 | 2.92 | 2026-04-15 | 2.7 | 2.69 | 2.64 | 2.68 |
| 2026-06-17 | 2.9 | 3 | 2.88 | 2.95 | 2026-04-14 | 2.6 | 2.7 | 2.63 | 2.66 |
| 2026-06-16 | 3.0 | 2.97 | 2.88 | 2.9 | 2026-04-13 | 2.6 | 2.62 | 2.54 | 2.62 |
| 2026-06-15 | 2.9 | 2.96 | 2.91 | 2.95 | 2026-04-10 | 2.6 | 2.64 | 2.56 | 2.57 |
| 2026-06-12 | 3.0 | 3.02 | 2.96 | 2.97 | 2026-04-09 | 2.6 | 2.67 | 2.6 | 2.63 |
| 2026-06-11 | 2.9 | 2.99 | 2.88 | 2.97 | 2026-04-08 | 2.6 | 2.68 | 2.62 | 2.67 |
| 2026-06-10 | 3.0 | 3 | 2.88 | 2.88 | 2026-04-07 | 2.6 | 2.61 | 2.53 | 2.61 |
| 2026-06-09 | 2.9 | 2.96 | 2.87 | 2.96 | 2026-04-06 | 2.6 | 2.63 | 2.5 | 2.56 |
| 2026-06-08 | 2.9 | 2.95 | 2.85 | 2.86 | 2026-04-02 | 2.7 | 2.71 | 2.62 | 2.63 |
| 2026-06-05 | 2.9 | 2.98 | 2.9 | 2.9 | 2026-04-01 | 2.7 | 2.77 | 2.7 | 2.73 |
| 2026-06-04 | 2.9 | 2.97 | 2.91 | 2.92 | 2026-03-31 | 2.7 | 2.74 | 2.54 | 2.72 |
| 2026-06-03 | 2.8 | 2.92 | 2.78 | 2.91 | 2026-03-30 | 2.8 | 2.82 | 2.75 | 2.78 |
| 2026-06-02 | 2.8 | 2.83 | 2.74 | 2.8 | 2026-03-27 | 2.8 | 2.84 | 2.72 | 2.73 |
| 2026-06-01 | 2.9 | 2.9 | 2.85 | 2.85 | 2026-03-26 | 2.8 | 2.86 | 2.8 | 2.84 |
| 2026-05-29 | 2.9 | 2.95 | 2.9 | 2.91 | 2026-03-25 | 2.8 | 2.82 | 2.75 | 2.81 |
| 2026-05-28 | 2.9 | 2.94 | 2.89 | 2.92 | 2026-03-24 | 2.7 | 2.75 | 2.68 | 2.74 |
| 2026-05-27 | 2.9 | 2.97 | 2.88 | 2.92 | 2026-03-23 | 2.7 | 2.75 | 2.72 | 2.73 |
| 2026-05-26 | 2.9 | 2.9 | 2.85 | 2.87 | 2026-03-20 | 2.7 | 2.73 | 2.68 | 2.7 |
| 2026-05-22 | 2.8 | 2.89 | 2.82 | 2.88 | 2026-03-19 | 2.7 | 2.76 | 2.7 | 2.73 |
| 2026-05-21 | 2.8 | 2.82 | 2.76 | 2.81 | 2026-03-18 | 2.7 | 2.74 | 2.68 | 2.71 |
| 2026-05-20 | 2.8 | 2.87 | 2.77 | 2.79 | 2026-03-17 | 2.8 | 2.77 | 2.72 | 2.76 |
| 2026-05-19 | 2.9 | 2.87 | 2.8 | 2.83 | 2026-03-16 | 2.7 | 2.75 | 2.7 | 2.73 |
| 2026-05-18 | 2.8 | 2.87 | 2.81 | 2.85 | 2026-03-13 | 2.8 | 2.8 | 2.7 | 2.7 |
| 2026-05-15 | 2.9 | 2.89 | 2.83 | 2.86 | 2026-03-12 | 2.8 | 2.81 | 2.75 | 2.75 |
Biogen Inc (BIIB) PS Ratio Comparison
| Company | Market Cap(Mil) | PS Ratio |
|---|
Business Description
Business Description
Biogen Inc
NAICS : 325412
SIC : 2834
ISIN : US09062X1037
Total Employee Number:
7,500Compare
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Traded in other countries / regions
BIIB.USABIIB.Argentina0R1B.UKBIIB.MexicoBIIB34.BrazilIDP.Germany1BIIB.ItalyBIIB.AustriaBIIB_KZ.KazakhstanBIIB.SwitzerlandBIIB.Chile Index Membership
S&P 500Russell 1000Russell 3000MSCI World IndexNASDAQ 100 IPO Date
1991-09-17Description
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. Biogen also generates significant revenue from its CD20 collaboration agreements with Roche (19% of total in 2025), which includes oncology drugs Rituxan and Gazyva and multiple sclerosis drug Ocrevus. Biogen's newer franchises include Spinraza (spinal muscular atrophy, with partner Ionis), Leqembi (Alzheimer's disease, collabroation revenue from its partner Eisai), Skyclarys (Friedreich's ataxia, Reata), Zurzuvae (postpartum depression, Sage), and Qalsody (amyotrophic lateral sclerosis, Ionis).