Pivotal and Declaration Acquire 165,000 SF facility from King Street Properties and The Baupost Group; Goldman Sachs Provides Financing for the Transaction
NEW YORK & WASHINGTON, September 24, 2025–(BUSINESS WIRE)–Pivotal Manufacturing Partners, a real estate investment platform focused on next-generation advanced manufacturing, and Declaration Partners LP today announced the $74 million acquisition of the Commonwealth Fusion Systems (CFS) global headquarters building at the company’s Boston-area campus. Goldman Sachs provided financing for the transaction. CFS, backed by leading investors and strategics including Google, Nvidia, Temasek, and Mitsubishi, will continue to operate the asset on a long-term lease as its primary critical magnet manufacturing facility and corporate headquarters.
CFS is the world’s leading and largest private fusion company, advancing rapidly towards its goal of commercializing fusion power and transforming global energy generation. The company has raised nearly $3 billion to date from a broad range of strategic investors including some of the largest technology companies, pension funds, and industrials businesses globally. The company recently announced an $863 million financing round alongside a significant milestone and strategic partnership with Google, signing a groundbreaking offtake agreement for CFS clean fusion power from its inaugural commercial power plant in Virginia, alongside corporate investment in the business.
Originally developed in 2022 by King Street Properties and The Baupost Group, the ~165,000-square-foot facility anchors the CFS Devens campus and houses it’s critical magnet manufacturing operations and global headquarters.
Pivotal, an advanced manufacturing focused real estate investment platform, has acquired and will manage the facility in partnership with Declaration, an investment firm with $2.2 billion in assets anchored by the family office of David M. Rubenstein.
“We are proud to acquire this state-of-the-art facility with support from our partners at Declaration and invest behind the transformative work underway at CFS,” said David Robbins, Managing Partner of Pivotal Manufacturing Partners. “We are confident in the strategic value of this real estate – an asset benefiting from significant, market leading existing infrastructure and heavy power access. As artificial intelligence and robotics continue to penetrate industrial supply chains driving new requirements for infrastructure, we are excited to own and operate this trophy real estate asset with specifications tailored to this next generation industrial renaissance.”