Primmune Therapeutics
Home - Primmune
San Diego, United States · $61.7M raised
- Headquarters
- San Diego, California
- Business Model
- B2B
- Website
- primmunerx.com
- Total Funding
- $61.7M
- Last Round
- $23.3M Series BJan 2026
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Primmune is a clinical-stage biotechnology company developing systemic cancer immunotherapies that activate the immune system in a precise and controlled manner. The company is advancing therapies designed to strengthen antitumor immunity, enhance the impact of existing treatments, and improve long-term disease control. Its lead investigational program, PRTX007, is an orally administered, systemically active small-molecule agonist of toll-like receptor 7 (TLR7) designed to activate plasmacytoid dendritic cells that coordinate innate and adaptive immune responses critical to effective cancer immunotherapy.
Summary
Primmune Therapeutics is a Biotech company based in San Diego, United States. It has raised $61.7M in total across 3 rounds, most recently a $23.3M Series B round in Jan 2026. Investors include Bioqube Ventures and OrbiMed.
Tech & App Stack
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Funding History
Jan 2026
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Funding: Seed through Series B. Amounts, valuations, and investors where available.
Investors
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