December 2025 was a big month for announcements from Psithera Inc. The Watertown, Mass.-based newco announced its name change from Psivant Therapeutics, having come out from under the Roivant Sciences Ltd. umbrella – thus the dropping of the “-vant” name. The company also announced a $47.5 million series A financing and disclosed that Eric Shaff had started as the company’s new president and CEO.

December 2025 was a big month for announcements from Psithera Inc. The Watertown, Mass.-based newco announced its name change from Psivant Therapeutics, having come out from under the Roivant Sciences Ltd. umbrella – thus the dropping of the “-vant” name. The company also announced a $47.5 million series A financing and disclosed that Eric Shaff had started as the company’s new president and CEO.

Wife-and-husband team, J. Jean Cui and Y. Peter Li, launched Blossomhill Therapeutics Inc. in mid-2020 to focus on next-generation, macrocyclic inhibitors against oncology targets. The couple had planned to take some time off to rest and do a little traveling, but then the pandemic hit. “This was a great time [to start a new company],” Cui told BioWorld. “Nothing to do but reading and thinking.”

Surgical robotics maker Shenzhen Edge Medical Co. Ltd. reported its initial public offering on the Hong Kong Stock Exchange to raise HKD$1.19 billion (US$154 million) to advance its pipeline of surgical robotic systems and expand its geographic footprint to markets outside China.

IPOs top the list of the big stories in 2025 in med tech. Thirty med-tech companies went public, raising nearly $12 billion, two orders of magnitude more than in 2023 and almost 20 times more than raised in 2024.