Funded Biotech startups in Washington
Every company below filed a Form D with the SEC from a Washington address. Amounts are as reported on the filing, not estimates.
Updated Apr 21, 2026
- Companies
- 6
- Total raised
- $46.2M
- Filings
- 6
- Median round
- $1.4M
- Cities
- 3
CompanyCityLast filingLatest round
Mitera BiosciencesEarly-stage biotechnology company in Bellevue, Washington…
Bellevue
Apr 21, 2026
$1.1M
Bonum TherapeuticsSeattle biotechnology company developing a new class of…
Seattle
Apr 3, 2026
$26.9M
Watershed MedicalClinical-stage company developing sustained-release drugs…
Bellevue
Mar 31, 2026
$300K
Primary BioscienceSeattle-based life science company developing a…
Seattle
Oct 2, 2025
$1.3M
Cyrus BiotechnologyComputationally-driven protein design company spun out of the…
Seattle
Jul 1, 2025
$1.5M
Aminex TherapeuticsClinical-stage biotechnology company focused on developing…
Kenmore
Oct 25, 2022
$15.1M
All 6 companies · most recent filing first
Most recent filings
6All 6 companies · most recent filing first