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Vacant San Francisco office building lands AI headquarters deal

Flux signs anchor lease for just-sold building
Cannae Partners teamed up with Realm in late 2025 to acquire the office building at 340 Bryant St. in San Francisco. (CoStar)
Cannae Partners teamed up with Realm in late 2025 to acquire the office building at 340 Bryant St. in San Francisco. (CoStar)
CoStar News
March 19, 2026 | 7:54 P.M.

A pair of investment firms purchased a vacant office building late last year along San Francisco's waterfront in a bet on the city's artificial intelligence boom. Just a few months later, that bet is paying off.

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News | Vacant San Francisco office building lands AI headquarters deal