Parcel Biosciences
formerly ParcelBioElevated mRNA for transformative medicines.
San Francisco, United States · Founded 2023 · $13.5M raised
- Headquarters
- San Francisco, California
- Employees
- 1–10
- Founded
- 2023
- Business Model
- B2B
- Website
- parcelbio.com
- Total Funding
- $13.5M
- Last Round
- $13.0M SeedMay 2026
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
ParcelBio is a San Francisco-based biotech startup founded in 2023 by former Orbital Therapeutics scientists, developing a new class of mRNA medicines designed to deliver unprecedented potency and durability. Its proprietary APEXm™ platform engineers mRNA to drive significantly higher and more sustained protein expression across diverse cell types, enabling therapeutic applications in autoimmune disease (in vivo CAR-T for pathogenic B cell depletion), oncology, and therapeutic protein delivery. Backed by Breyer Capital, General Catalyst, Y Combinator, and other life science investors.
Summary
Parcel Biosciences is a Biotech company based in San Francisco, United States, founded in 2023. It has raised $13.5M in total across 2 rounds, most recently a $13.0M Seed round in May 2026. Investors include Y Combinator, Breyer Capital and General Catalyst.
Tech & App Stack
3 technologies & apps tracked
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Funding History
May 2026
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Funding: Pre-Seed through Seed. Amounts, valuations, and investors where available.
Investors
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