Biotheus

Acquired

Zhuhai, China · Founded 2018 · $26.0M raised

Headquarters
Zhuhai
Founded
2018
Total Funding
$26.0M
Last Round
Series BMar 2021
Rounds
3
Acquired by
BioNTechFeb 2025 · $800.0M

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

About

Biotheus (普米斯生物技术) is a clinical-stage biopharmaceutical company founded in 2018 and headquartered in Zhuhai, China, focused on discovering and developing next-generation antibody-based therapeutics for cancer and autoimmune diseases. The company's pipeline centers on bispecific antibodies and related modalities, including its lead asset PM8002 (BNT327), a PD-L1/VEGF bispecific antibody that has advanced into global Phase III clinical trials. Biotheus was acquired by BioNTech in a deal valued at up to approximately $950 million, with the acquisition giving BioNTech full ownership of the BNT327 program targeting multiple tumor types including lung cancer.

Summary

Biotheus is a Life Sciences company based in Zhuhai, China, founded in 2018. It has raised $26.0M in total across 3 rounds, most recently a Series B round in Mar 2021. Investors include BioNTech, General Atlantic and IDG Capital.

Funding & Exit History

AcquisitionFeb 2025

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Funding: Seed through Series B. Amounts, valuations, and investors where available.

Investors

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