Who owns what.
Who owns what, and how the companies nest.
The questions everyone asks
One founder. Four companies, two public and two private, plus a foundation. Nothing below is a subsidiary of anything else unless it sits inside that company's box.
Elon is chief executive officer (CEO) and the largest individual shareholder.
Model S and Model X production ended at Fremont in 2026. Model 3, Model Y, Cybertruck, and Semi remain in production; Cybercab and next-gen Roadster are not yet volume products.
A business unit inside Tesla, not a separate company.
Elon is founder, CEO, and chief engineer. After the June 2026 initial public offering (IPO) he holds roughly 82% of the voting power.
SpaceXAI is SpaceX’s AI unit/brand (former xAI), not a fifth Musk company. SpaceX acquired xAI on February 2, 2026; in May–July 2026 it was reorganized/rebranded as SpaceXAI.
MACROHARD is a joint project with TeslaTERAFAB is a joint project with TeslaElon is a co-founder. Neuralink stands on its own: it is not part of Tesla and not part of SpaceX.
Elon is the founder. Also independent: its own company, beside the others.
The philanthropy: grants for renewable energy, space exploration, pediatric research, education, and safe artificial intelligence (AI).
America PAC is an active super PAC. DOGE was a temporary U.S. initiative (January 20, 2025 – July 4, 2026) and has ended. Roles and spending, not businesses Elon owns.
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