Buyout Desk
Strategic

AstraZeneca acquires St. Louis vaccine biotech Omniose

Omniose, a St. Louis preclinical biotech, becomes a wholly owned AstraZeneca subsidiary in its Infectious Disease Unit after a three-year research collaboration.

AstraZeneca has acquired Omniose, a St. Louis-based preclinical biotechnology company, making it a wholly owned subsidiary within AstraZeneca's Infectious Disease Unit. The deal follows a three-year exclusive research collaboration between the two companies. Financial terms were not disclosed.

Omniose's proprietary bioconjugation platform is designed for bacterial polysaccharide conjugate vaccines. The technology allows vaccine components to be produced and linked within a single cell, which could simplify manufacturing and improve molecular precision.

AstraZeneca plans to use the platform to support vaccine development against serious bacterial infections, including those complicated by antimicrobial resistance.

Deal facts

Target
Omniose
Business
St. Louis-based preclinical biotechnology company with a bioconjugation platform for bacterial polysaccharide conjugate vaccines
Buyer
AstraZeneca
Deal type
Strategic
Headquarters
St. Louis, Missouri
Status
Completed
Announced
Tuesday, November 10, 2026

Sources

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