RQ Bio raises $115 million for long-acting flu antibody

24 June 2026

UK biotech company RQ Bio has raised $115 million in a Series A round to advance RQB01, its lead long-acting antibody candidate for seasonal influenza prevention.

The financing was led by Frazier Life Sciences, with participation from new investors EQT Life Sciences, Forbion, Monograph and Wellington Management. Founding investor LifeArc Ventures also joined the round, along with Oxford Science Enterprises and the University of Oxford.

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