Mid Cap Biotechnology
Stocks Ranked by
Market Capitalization
Mid Cap Biotechnology Stocks at a Glance
Biotechnology companies research and develop novel drugs and therapies, often with no products yet on the market. Clinical-trial readouts and regulatory decisions drive binary stock moves, making pipeline breadth, cash runway, and partnership deals the key variables.
There are 84 mid cap Biotechnology stocks — companies in the Biotechnology industry with a market cap between $2B and $10B — worth a combined $365B.
The largest by market cap are Krystal Biotech (KRYS) at $9.66B, Protagonist Therapeutics (PTGX) at $9.44B and Ionis Pharmaceuticals (IONS) at $9.4B.
Among institutional investors, ImmunityBio (IBRX) drew the most net new fund positions in Q1 2026: 145 funds opened new positions, taking total fund holders up 109 (39%) quarter-over-quarter.
- Combined market cap: $365B across 84 stocks.
- Mid Cap: market cap between $2B and $10B.
- Largest constituent: Krystal Biotech (KRYS), $9.66B market cap.
- Most net new fund positions in Q1 2026: ImmunityBio (IBRX), +109 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q1 2026.