The lease covers two floors at Building 200, a property managed by an affiliate of Alexandria Real Estate Equities. Blitzy, which recently raised $200 million in a funding round that valued the company at $1.4 billion, plans to move into the new space during the second quarter of 2027 following a major build-out. The expansion follows a period of rapid internal growth, as the firm quadrupled its headcount during the first half of 2026.
In section Releases
Blitzy Secures Cambridge’s Largest Office Lease of 2026
Autonomous software developer Blitzy has finalized a 52,000-square-foot expansion at One Kendall Square, marking the largest office lease signed in Cambridge this year. The deal anchors the three-year-old firm in its founding city, providing enough capacity to support a workforce of over 300 employees by mid-2027.

Brian Elliott, CEO and co-founder, described the decision as a strategic bet on the local AI ecosystem. The company, which specializes in autonomous enterprise software development, currently employs more than 200 people. Bryan Sparkes, a senior managing director at JLL who represented Blitzy in the transaction, noted that AI-focused firms now account for over 60% of new leasing volume in Cambridge, providing a vital spark for a local office market that has struggled for the past six years.
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