Sector portfolio · VC firm · United States

InterWest Partners' Biotech portfolio

InterWest Partners has backed 21 Biotech startups in rounds we track, $3.0B between them, shown by the stage each has reached. The best-funded is Cidara Therapeutics.

21startups backed
5stages
$3.0Braised between them
Series C and laterbiggest stage

InterWest Partners's whole portfolioInterWest Partners's profile

Series C and later

9

Stage not reported

4

Series B

3

Series A

3

Growth

2

Segment by segment

Series C and later

9 startups · $1.4B raised

  1. CVRxCVRx is a medical device company developing implantable technology for the treatment of high blood pressure.United States$369M
  2. WelltokSilverlink Communications is a healthcare IT company that develops solutions for patient communications and engagement.United States$239M
  3. AvedroAvedro is a medical device and pharmaceutical company advancing the science and technology of corneal cross-linking.United States$203M
  4. ReVision OpticsReVision Optics offers PRESBYLENS, a refractive surgery solution to correct vision loss by the natural aging process.United States$172M
  5. NeuroneticsNeuronetics is a medical device company that develops non-invasive therapies for psychiatric and neurological disorders.United States$110M
  6. Sera PrognosticsSera Prognostics develops blood tests that are predictive of preterm birth, preeclampsia, and other pregnancy complications.United States$107M
  7. Integrated DiagnosticsIntegrated Diagnostics develops tools to help physicians diagnose complex diseases with a non-invasive blood test.United States$95M
  8. CCentrexionUnited States$90M

Stage not reported

4 startups · $415M raised

  1. CelladonCelladon is a biotechnology company developing molecular therapies for the treatment of heart failure.United States$172M
  2. NeuroPaceNeuroPace develops and markets implantable devices for the treatment of neurological disorders.United States$141M
  3. CCebixCebix is a biopharmaceutical company focused on the treatment of diabetic complications.United States$96M
  4. GGobiquityUnited States$6.0M

Series B

3 startups · $688M raised

  1. CTCidara TherapeuticsCidara Therapeutics is a biotechnology company that specializes in the fields of healthcare and therapeutics.United States$463M
  2. Cardiac DimensionsCardiac Dimensions is a medical device company based in Kirkland, Washington, founded in 2001.United States$150M
  3. LyceraLycera discovers and develops small-molecule immunomodulators for the treatment of autoimmune diseases and cancer.United States$75M

Series A

3 startups · $88M raised

  1. LBLabrys BiologicsLabrys Biologics develops treatments for chronic migraine.-$46M
  2. Sequel PharmaceuticalsSequel Pharmaceuticals develops and commercializes novel and clinical-stage drug candidates for patients with cardiovascular disease.United States$25M
  3. Arcion TherapeuticsArcion Therapeutics is a biotechnology company developing treatments for chronic pain.United States$17M

Growth

2 startups · $352M raised

  1. GynesonicsGynesonics develops transcervical, uterus-preserving, incision-less technologies for diagnostic and therapeutic applications.United States$214M
  2. Alvine PharmaceuticalsAlvine Pharmaceuticals is a biotechnology company developing therapeutics for autoimmune and inflammatory diseases.United States$138M

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

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