Rallybio, Avenzo agree oncology reverse merger backed by $215 million financing

2 June 2026

USA-based rare disease biotech Rallybio (Nasdaq: RLYB) has agreed to acquire privately-held Avenzo Therapeutics in a reverse merger that will shift the public company’s focus to oncology.

The combined company is expected to operate as Avenzo Therapeutics and trade on Nasdaq under the ticker AVZO after the deal closes, which the companies expect in the fourth quarter of 2026.

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