BioCentury
ARTICLE | Finance

Radiopharma developers Actithera, Nuclidium draw venture cash: Finance Report

Plus: Private rounds for Varda and Renasant; public offerings for Rhythm, Cogent, Soleno and Milestone; and more

July 11, 2025 10:05 PM UTC

VC syndicates have backed a pair of companies that hope to address challenges in the fast-growing  radiopharma arena, as Actithera raised $75.5 million in its series A and Nuclidium closed its series B with CHF79 million ($99.5 million).

Actithera Inc., based in Cambridge, Mass., and Oslo, believes its approach using covalent targeting and optimized vectors can prolong tumor residence time, thus conferring safety and efficacy benefits. The company will test its thesis via development of a radioligand therapy targeting the popular next-wave radiopharma target FAP; the company said it has an “isotope-agnostic” strategy...