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Ellis Partners and Baupost Group Close $310M Purchase of Santa Clara’s Great America Commons

Ellis Partners and Baupost Group acquire the 637,000-square-foot Great America Commons office campus in Santa Clara for $310 million.

By Colin Percy · May 26, 2026

San Francisco-based Ellis Partners and Boston-based Baupost Group have acquired the Great America Commons office complex, located at 4555 and 4655 Great America Parkway in Santa Clara, for $310 million. The transaction marks the highest-priced office acquisition in Silicon Valley to date in 2026.

The property, which is situated adjacent to California’s Great America amusement park, represents the largest single office asset sale by dollar volume in Santa Clara County this year. The identity of the seller in the transaction was not disclosed.

Companies mentioned

developer

Baupost

general contractor

Ellis, W.M., Co.

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