Sector portfolio · VC firm · United States

S32's Biotech portfolio

S32 has backed 18 Biotech startups in rounds we track, $2.4B between them, shown by the stage each has reached. The best-funded is Relay Therapeutics.

18startups backed
4stages
$2.4Braised between them
Series Abiggest stage

S32's whole portfolioS32's profile

Series A

6

Stage not reported

5

Series B

4

Series C and later

3

Segment by segment

Series A

6 startups · $408M raised

  1. InceptiveInceptive is a biotechnology and artificial intelligence company founded in 2021 and based in Palo Alto, California, with additionUnited States$100M
  2. Nested TherapeuticsNested Therapeutics is a biotechnology company based in Cambridge, Massachusetts, founded in 2021.United States$90M
  3. Exai BioExai Bio is a biotechnology company based in Palo Alto, California, founded in 2021.United States$68M
  4. Parthenon TherapeuticsParthenon Therapeutics is a biotech company inventing a novel class of anti-cancer therapies that reprogram the tumor microenvironment.United States$65M
  5. ImmuneIDImmuneID is a precision immunology company.-$50M
  6. Delve BioDelve Bio is a biotechnology company based in Boston, MA, founded in 2022.United States$35M

Stage not reported

5 startups · $355M raised

  1. CelularityCelularity is a clinical-stage biotechnology company developing off-the-shelf placental-derived allogeneic cell therapies.United States$270M
  2. TeckroTeckro is an enterprise software company founded in 2015, headquartered in Limerick, Ireland, with additional offices in Dublin anIreland$60M
  3. Sunbird BioSunbird Bio is a biotechnology company based in Cambridge, Massachusetts, with operational headquarters in Singapore.Singapore$14M
  4. TwinStrand BiosciencesTwinStrand Biosciences is a Seattle-based biotechnology company founded in 2015, focusing on Duplex SequencingTM, a highly accuratUnited States$10M
  5. Manifold BioManifold Bio is building a protein barcoding platform to bring the power of multiplexed measurement.United States$1.0M

Series B

4 startups · $358M raised

  1. MOMA TherapeuticsMOMA Therapeutics is a clinical-stage biotechnology company based in Cambridge, Massachusetts, founded in 2020.United States$150M
  2. CTCelsius TherapeuticsCelsius Therapeutics is a biotechnology company that develops precision medicines for cancer and autoimmune disease patients.United States$83M
  3. ROME TherapeuticsROME Therapeutics is developing novel therapies for cancer and autoimmune diseases by harnessing the power of the repeatome.United States$72M
  4. AltPepAltPep is a Seattle-based biotechnology company founded in 2018 that focuses on developing early disease-modifying treatments and United States$53M

Series C and later

3 startups · $1.3B raised

  1. Relay TherapeuticsRelay therapeutics is a developer of an allosteric drug-discovery platform intended to apply computational techniques to protein motion.United States$932M
  2. AlectorAlector is a biopharmaceutical company that develops therapies for the treatment of neurodegeneration diseases.United States$215M
  3. Aspen NeuroscienceAspen Neuroscience is a biotechnology company that specializes in personalized cell therapies.United States$122M

How this map is made. Every startup here works in Biotech and has raised money in a round we track that names S32 as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.

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