ELON, EXPLAINED
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Reference · Org Chart

Who owns what.

How Elon Musk's companies and units fit together.

The questions everyone asks

ELON MUSK

He runs four companies, two public and two private, plus a foundation.

TeslaPublic company · Nasdaq: TSLA

Elon is chief executive officer (CEO) and the largest individual shareholder.

Vehicles

Model S and Model X production ended at Fremont in 2026. Model 3, Model Y, Cybertruck, and Semi remain in production; Cybercab is ramping production, and the next-gen Roadster is set for production in 2028.

Model 3Model YCybertruckSemiCybercabRoadster (next-gen)Model S (ended 2026)Model X (ended 2026)
Tesla Energy

A business unit inside Tesla, not a separate company.

PowerwallMegapackTesla SolarSuperchargerSolar Roof (ended 2026)
Artificial Intelligence (AI) and Robotics
OptimusFull Self-Driving (FSD)AI4 chipRobotaxi NetworkMACROHARDTERAFAB
MACROHARD is a joint project with SpaceXSITERAFAB is a joint project with SpaceXSI
SpaceXPublic company · Nasdaq: SPCX

Elon is founder, CEO, and chief engineer. After the June 2026 initial public offering (IPO) he holds about 82% of the voting power.

Space

The rocket and launch business.

StarshipFalcon 9Falcon HeavyDragonStarbase
Connectivity

The Starlink satellite-internet business.

StarlinkStarshieldDirect to Cell
SpaceXSI →

SpaceXSI is SpaceX's artificial intelligence unit. SpaceX bought xAI on February 2, 2026, and folded it into SpaceX as SpaceXAI on May 6, 2026.

MACROHARDX (the app)Colossus 2TERAFAB
MACROHARD is a joint project with TeslaTERAFAB is a joint project with Tesla
The Boring CompanyPrivate company

Elon is the founder. The Boring Company is also independent.

Projects
Vegas LoopThe Music City LoopPrufrockHawthorne Test TunnelHyperloop
Musk FoundationNonprofit · not a company

The philanthropy: grants for renewable energy, space exploration, pediatric research, education, and safe artificial intelligence (AI).

Government WorkPublic service · not a company

America PAC is an active super PAC. DOGE was a temporary U.S. initiative (January 20, 2025 to July 4, 2026) and has ended. None of it is a business Elon owns.

How the structure got here
2001
Elon starts the Musk Foundation.
2002
SpaceX is incorporated on March 14, 2002.
2004
Elon leads Tesla's Series A round, putting in $6.5 million of the $7.5 million, and later becomes CEO.
2016
Neuralink is co-founded and The Boring Company is founded.
2022
Elon acquires Twitter as a personal purchase; it is renamed X in 2023.
2023
xAI is founded as a separate AI company.
January 2025
Elon joins DOGE, the Department of Government Efficiency, as a co-lead.
March 2025
xAI acquires X, putting the app and the AI company under one roof.
February 2026
SpaceX acquires xAI, and the X app with it.
May 2026
xAI is folded into SpaceX as SpaceXAI, its AI unit, on May 6.
June 2026
SpaceX goes public on Nasdaq as SPCX, reporting three segments: Space, Connectivity, and AI.
July 2026
The U.S. DOGE Service Temporary Organization closes on July 4.
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