An approach that’s bold
An approach that’s bold
An approach that’s bold
Driven by hope
Driven by hope
Driven by hope
Dedication that’s real
Dedication that’s real
Dedication that’s real

Innovative therapeutics that target
serious viral diseases

Assembly Bio is applying our passion, scientific ingenuity and deep knowledge of virology to pursue novel antivirals with the potential to change the paradigm for the treatment of serious diseases. Our ambitious and compassionate work has the potential to change lives.

Discover our pipeline
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Our herpesvirus portfolio

programs for recurrent genital herpes and transplant-associated herpesviruses are designed to address serious consequences of these infections and provide significant innovation over current standard of care.

Learn more
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Our chronic hepatitis D and hepatitis B programs

aim to improve outcomes for individuals facing the significant burden associated with chronic infection.

Explore our programs

Passionate. Purpose driven. Patient focused.

Explore opportunities to join our team. We are collectively inspired by and committed to developing novel antivirals that improve the lives of people facing serious viral diseases.

Join us!
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In the News
August 08, 2025
Assembly Biosciences Announces Pricing of $175 Million in Equity Financings
August 08, 2025
Assembly Biosciences Reports Positive Interim Results from Phase 1b Clinical Study of Long-Acting Helicase-Primase Inhibitor Candidate ABI-5366 Showing Reductions in Viral Shedding Rate and Genital Lesion Rate in Recurrent Genital Herpes
August 06, 2025
Assembly Biosciences Reports Interim Phase 1a Data from Clinical Study of Oral Entry Inhibitor Candidate ABI-6250 for Hepatitis Delta Virus
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