Elon Musk Is Teasing a Tesla-SpaceX Merger Again. Terafab Shows Why AI Could Be the Logic

Elon Musk has reignited speculation about merging Tesla and SpaceX, given the increasing convergence of their technologies. During a September 15 podcast, Musk discussed the potential merger with SpaceX President Gwynne Shotwell, highlighting Terafab, a semiconductor manufacturing venture aimed at reducing reliance on external chip suppliers.

The union could merge Tesla's autonomous-driving, robotics, and manufacturing sectors with SpaceX's rockets, satellites, communications network, and burgeoning AI infrastructure. The shared focus on AI could allow the combined entity to address the physical demand for specialized compute hardware, transforming procurement decisions from separate to interconnected.

However, no merger has been announced, and the potential merger brings up challenges like valuation, governance, and capital allocation, which could overshadow the theoretical benefits. While Tesla and SpaceX show strategic alignment, the complexities of merging two large companies could outweigh the potential synergies. As of Q2 2026, 116 hedge funds held Tesla shares, while SpaceX, being a newer public company, had institutional shareholders reported for the first time.

Despite the growing strategic overlap, the possibility of a merger remains speculative, with current market data suggesting cautious optimism from investors.