SAN FRANCISCO, Aug. 16 -- The deal that made Cursor a wholly owned SpaceX subsidiary closed Friday, ending the AI coding startup's brief existence as an independent company and folding its one million paying customers into an empire that also controls Grok and the largest privately operated GPU cluster in the world.

SpaceX confirmed the close in a joint announcement with Cursor. Under the terms of the all-stock transaction, Anysphere, the San Francisco entity that built and operated Cursor, became a SpaceX subsidiary, with its shareholders receiving Class A SpaceX common stock based on the deal's $60 billion implied valuation. The path to this moment ran through an April partnership announcement, a June option exercise that followed Spac...