Quantum-Si Incorporated (‘Quantum-Si,' ‘QSI' or the ‘Company') announced that it has entered into a lease agreement with Winchester Office LLC to develop a new headquarters at Winchester Works, a technology and life sciences building across the street from Yale's Science Hill. The new headquarters will consist of a mixed-use space that is approximately 65,000 square-feet and will house office and core research and development space. Quantum-Si will begin relocating to the new headquarters in the first half of 2022.

In June 2021, Quantum-Si also had announced the lease of a new product development and operations facility in San Diego which opened in the third quarter of 2021.