Sector portfolio · VC firm · United States

Mission Bay Capital's Biotech portfolio

Mission Bay Capital has backed 10 Biotech startups in rounds we track, $1.4B between them, shown by the stage each has reached. The best-funded is Atreca.

10startups backed
2stages
$1.4Braised between them
Series C and laterbiggest stage

Mission Bay Capital's profile

Segment by segment

Series C and later

8 startups · $1.3B raised

  1. AAtrecaAtreca develops a technology to identify the set of antibodies produced during an immune response, without prior knowledge of an antigen.United States$313M
  2. AlectorAlector is a biopharmaceutical company that develops therapies for the treatment of neurodegeneration diseases.United States$215M
  3. Circle PharmaCircle Pharma is a provider of a macrocycle development platform intended to provide macrocyclic peptides.United States$187M
  4. GlycomineGlycomine is an early-stage biotech working on replacement therapies for rare diseases.United States$160M
  5. STSiteOne TherapeuticsUnited States$119M
  6. Calithera BiosciencesCalithera Biosciences is a pharmaceutical company developing novel small molecule therapeutics for the treatment of cancer.United States$115M
  7. Effector TherapeuticsEffector Therapeutics is an early-stage company focused on the discovery and development of small molecule cancer therapeutics.United States$99M
  8. Vivace TherapeuticsVivace Therapeutics is a venture-backed start-up dedicated to discovering and developing cancer therapeutics by targeting a novel pathway.United States$75M

Series B

2 startups · $74M raised

  1. PPionyrUnited States$62M
  2. Redwood BioscienceRedwood Bioscience is utilizing precision protein-chemical engineering to develop optimized and novel biotherapeutics.United States$12M

How this map is made. Every startup here works in Biotech and has raised money in a round we track that names Mission Bay Capital as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.

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