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Biotech Firm Terminates Cambridge Headquarters Lease Early

In connection with its acquisition by biotech royalty aggregator Xoma Royalty Corp., Generation Bio Co. has terminated the lease for its Cambridge headquarters. The Boston Business Journal reported that Generation Bio paid $21.5 million to an affiliate of BioMed Realty to exit its 71,500 square feet of research and development, laboratory and office space at 301 Binney St.

The lease on the space wasn’t set to expire until 2029. Generation Bio had been headquartered at 301 Binney since 2018.

The company had 174 employees at the end of 2023, but subsequently laid off most of its team in 2024 and 2025. Xoma has recently bought up several distressed Boston-area biotechs, including Waltham biotech Mural Oncology plc, reported the Business Journal

Coincidentally, 301 Binney St. recently lost another tenant to an acquisition, as Kros Bio exited its lease for about 40,500 square feet last year after being acquired by Concentra Biosciences.

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About Paul Bubny

Paul Bubny serves as Senior Content Director for Connect Commercial Real Estate, a role to which he brings 16-plus years’ experience covering the commercial real estate industry and 30-plus years in business-to-business journalism. In this capacity, he oversees daily operations while also reporting on both local/regional markets and national trends, covering individual transactions across all property types, as well as delving into broader subject matter. He produces 7-10 daily news stories per day and works with the Connect team and clients to develop longer-form content, ranging from Q&As to thought-leadership pieces. Prior to joining Connect, Paul was Managing Editor for both Real Estate Forum and GlobeSt.com at American Lawyer Media, where he oversaw operations at both publications while also producing daily news and feature-length articles. His tenure in B2B publishing stretches back into the print era, and he has served as Editor in Chief on four national trade publications. Since 1999, Paul has volunteered as the newsletter editor of passenger rail advocacy groups (one national, one local).

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