SpaceX acquires Cursor for $60B in all-stock deal, largest VC-backed startup acquisition ever

SpaceX finalized its $60 billion acquisition of Cursor (via parent Anysphere) just four days after the company's record $75 billion IPO on June 12. The deal is all-stock, making it the largest acquisition of a VC-backed startup in history and dwarfing previous records set by acquisitions of Cerebras and other tech companies. SpaceX's valuation climbed above $2.7 trillion post-announcement, briefly surpassing Microsoft. The merger is expected to close in Q3 2026, pending regulatory approval.

Cursor, an AI coding assistant founded in 2022, has scaled to roughly $2.6 billion in annualized recurring revenue—a record pace in B2B software to reach that scale. The tool competes with OpenAI's coding features and Claude's capabilities, and Cursor's market share has nonetheless declined from 41% to 26% as of May 2026 due to rising competition. SpaceX has already begun joint AI model training with Cursor and plans a near-term new product release integrating Grok. Four Cursor co-founders—Michael Truell, Aman Sanger, Sualeh Asif, and Arvid Lunnemark—will each see their net worth roughly double to ~$2.7 billion each upon closing.

The deal signals SpaceX's commitment to vertical integration in AI infrastructure, following its February 2026 merger with xAI. By controlling both frontier compute (xAI's Colossus cluster) and developer tooling (Cursor), Musk's combined entity is building what it pitched to IPO investors as a $28.5 trillion addressable market for enterprise AI. Early VC backers including Andreessen Horowitz (~10% stake, ~$6B value) and Thrive Capital (~7% stake, ~$4.2B value) stand to realize substantial returns. For architects shipping AI products, this consolidation matters: one founder controlling coding tools, inference infrastructure, and a large language model chain reduces partner leverage and increases the incentive for tight integration—a shift from the modular SaaS era.