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 77 mid cap Biotechnology stocks — companies in the Biotechnology industry with a market cap between $2B and $10B — worth a combined $336B.
The largest by market cap are Halozyme (HALO) at $9.9B, Ionis Pharmaceuticals (IONS) at $9.14B and Crinetics Pharmaceuticals (CRNX) at $8.88B.
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 110 (40%) quarter-over-quarter.
- Combined market cap: $336B across 77 stocks.
- Mid Cap: market cap between $2B and $10B.
- Largest constituent: Halozyme (HALO), $9.9B market cap.
- Most net new fund positions in Q1 2026: ImmunityBio (IBRX), +110 holders.
Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q1 2026.