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Small Cap Biotechnology
Stocks Ranked by
Market Capitalization

Small 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 191 small cap Biotechnology stocks — companies in the Biotechnology industry with a market cap between $250M and $2B — worth a combined $158B.

The largest by market cap are Sarepta Therapeutics (SRPT) at $1.98B, Taysha Gene Therapies (TSHA) at $1.98B and Agios Pharmaceuticals (AGIO) at $1.98B.

Among institutional investors, First Tracks Biotherapeutics (TRAX) drew the most net new fund positions in Q2 2026: 147 funds opened new positions.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.