Stocks Similar to BIIB
Top 5 peers of Biogen — ranked by industry match and closest market cap. Each peer card opens a head-to-head comparison.
Updated August 17, 2026
BIIB is a Biotechnology stock with an AI Score of 34. Over the past 12 months, BIIB has gained +52.6% in market cap. Below are BIIB’s 5 closest peers by industry match and market-cap proximity — each scored, ranked and ready for a one-click head-to-head comparison.
BIIB vs its 5 closest peers
Side-by-side on market cap, price, 12-month change, PE Ratio and AI Score. Click any peer’s Compare button for the full alt-data head-to-head.
| Stock | Market cap | Price | 12mo | PE Ratio | AI Score | |
|---|---|---|---|---|---|---|
| $31.00B | $209.15 | +52.6% | 37.3 | 34 |
Target | |
| $30.60B | $224.60 | -48.0% | 39.8 | 67 |
Compare → | |
| $28.82B | $193.14 | +81.9% | 35.6 | 50 |
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| $33.86B | $59.45 | +59.7% | 31.5 | 54 |
Compare → | |
| $24.59B | $346.61 | +38.9% | 44.6 | 59 |
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| $24.36B | $123.50 | +43.5% | 15.3 | 53 |
Compare → |
12mo column shows cumulative price change normalized from 12 months ago. PE Ratio is trailing twelve months and dashed where it would be negative or extreme. Updated daily.
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Sign up to AltIndex →FAQ: Stocks similar to BIIB
AltIndex matches peers by industry and market-cap proximity. The 5 cards above show the closest matches for BIIB in Biotechnology, each with an AI Score and a one-click link to a side-by-side comparison.
Yes — ALNY ranks as BIIB’s closest peer by AltIndex’s industry + market-cap match. See the head-to-head comparison: BIIB vs ALNY.
The 5 peer cards above list BIIB’s closest industry competitors by market cap. For deeper sector context, check the head-to-head pages reachable from each peer card — they cover AI Score, alt-data signals and fundamentals side-by-side.
Similarity in industry and market cap doesn’t mean equivalent quality. Compare each peer’s AI Score and alt-data signals via the charts above, then drill into the specific comparison page (BIIB vs ALNY) for a full side-by-side. AltIndex’s AI Stock Picks page also surfaces today’s highest-conviction names regardless of sector.
We filter to companies in the same industry as BIIB, then rank by absolute market-cap distance from the target. That surfaces peers that are economically comparable rather than just sector-tagged together.
The 4 charts above show how BIIB stacks up against its peers on Reddit mentions (retail attention), web traffic (consumer demand), sentiment (retail-trader mood), and 12-month price change. Each signal moves before traditional financials confirm a trend — that’s the AltIndex angle.
Daily. As market caps and AI Scores shift, the closest peers can rotate, so the cards above always reflect today’s data.
Click any “Compare BIIB vs …” button on the peer cards above. Each link opens a dedicated /stock-comparison/ page with 8 alt-data signal charts, fundamentals, AI Score breakdown and an editorial verdict.
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