Do you know how many companies Elon Musk owns?

Elon Musk is the richest person in the world. He earned a lot of money by starting or investing in smart tech companies. You might know some of them, like the electric car company Tesla, the space company SpaceX, and the social media site Twitter, which he changed to X. Elon Musk began creating tech companies in the mid-1990s, and he still runs some of them today. The oldest one is SpaceX, which he started in 2002 with $100 million. Now, after more than 20 years, SpaceX is worth a huge $150 billion, which is 1,500 times more than the money he put in at the beginning.

Find out how many companies Elon Musk has. Check out the visual from Madison Trust Company below. It shows everything Musk owns and used to own, which has made him the world’s richest person.

Everything Elon Musk Owns- Graphics
Credits: Madison Trust

What Companies Does Elon Musk Own?

Elon Musk has six companies that do different things, like making electric cars, building tunnels underground, and running a big social media site (used to be Twitter). His companies are SpaceX, Tesla, X (formerly known as Twitter), The Boring Company, Neuralink, and xAI. xAI is the newest one; it started in July 2023 and is meant to compete with OpenAI, the creator of ChatGPT. Elon Musk helped start OpenAI but left the board in 2018. Many of Elon Musk’s companies are worth a lot of money, but we don’t know how much xAI is worth yet.

Companies Owned by Elon Musk and How Much They’re Worth

  • Tesla: $770.2 billion as of August 2023
  • SpaceX: $150 billion as of July 2023
  • X (formerly Twitter): $15 billion as of June 2023
  • The Boring Company: $5.7 billion as of April 2022
  • Neuralink: $5 billion as of June 2023
  • xAI: Unknown value

Which Companies Does Elon Musk No Longer Own?

Our collection of information also covers everything Elon Musk used to own but doesn’t anymore. Elon Musk’s first company was Zip2, an online business directory that he started with money from his dad. He sold it in 1999 for $307 million to Compaq Computer Corporation. With that money, he began an online financial service company called, which later joined with Confinity to create PayPal. Two years after, PayPal was sold to eBay for $1.5 billion. This gave Musk the chance to create and invest in many of the companies he still has today. In 2006, he invested in his cousins’ solar energy company, SolarCity, which Tesla bought ten years later for $2.6 billion in stock. Elon Musk also helped start OpenAI but left the board in 2018.

Companies Elon Musk No Longer Owns

  • Zip2: Sold to Compaq Computer Corporation in 1999
  • PayPal: Sold to eBay in 2022
  • SolarCity: Acquired by Tesla in 2016
  • OpenAI: Resigned from board in 2018

Do you hope to one day be as rich as Elon Musk? While his level of wealth may not be attainable, there are ways to invest your money now to be able to live a comfortable life during your retirement. Find out about various retirement investment choices, like a Self-Directed IRA, which lets you invest in different things, or a Directed Trust to make sure your family’s wealth is safe and keeps going.

The Complete List of Everything Elon Musk Owns


  • Company’s Purpose: Space transportation and satellite-based Internet services
  • Musk’s Title: CEO, chairman, CTO
  • Year Founded: 2002
  • Cost to Start Company: $100 Million
  • Company’s Value: $150 Billion – July 2023


  • Company’s Purpose: Designs and manufactures electric vehicles, solar energy generation systems, and battery energy storage products
  • Musk’s Title: CEO
  • Year Musk Invested: 2004
  • Amount Musk Invested: $6.5 million to become the largest shareholder
  • Company’s Value: $770.2 billion – August 2023

The Boring Company

  • Company’s Purpose: Infrastructure and underground tunnel construction services
  • Musk’s Title: Founder
  • Year Founded: 2016
  • Cost to Start Company: $113 million, including around $102 million from Musk
  • Company’s Value: $5.7 billion – April 2022


  • Company’s Purpose: Develops implantable brain-computer interfaces
  • Musk’s Title: Founder
  • Year Founded: 2016
  • Cost to Start Company: $158 Million in funding, including $100 million from Musk
  • Company’s Value: $5 billion – June 2023

X (Formerly Twitter)

  • Company’s Purpose: Social media service
  • Musk’s Title: Chairman and CTO (stepped down as CEO in 2023)
  • Year Musk Purchased Company: 2022
  • Purchase Price: $44 Billion
  • Company’s Value: $15 Billion – June 2023


  • Company’s Purpose: Rival to ChatGPT creator OpenAI
  • Musk’s Title: Founder
  • Year Founded: 2023
  • Cost to Start Company: Unknown

Musk Foundation

  • Description: Nonprofit that supports renewable energy, pediatric research and education, and developing safe AI to benefit humanity
  • Musk’s Title: President
  • Year Founded: 2001

Value of Assets: $9.4 billion as of 2021, $5.7 billion of which was donated by Tesla

Companies Elon Musk No Longer Owns


  • Company’s Purpose: Online business directory
  • Musk’s Title: Co-founder, removed as CEO in 1996
  • Year Founded: 1995
  • Cost to Start Company: $28,000 in funding from Musk’s father
  • Year Sold: 1999 to Compaq Computer Corporation
  • Amount Sold For: $307 Million

PayPal (formerly

  • Company’s PurposeOnline financial services
  • Musk’s Title: Co-founder, removed as CEO in 2000
  • Year Founded: 1999, merged with Confinity in 2000 to form PayPal
  • Cost to Start Company: $12 million
  • Year Sold: 2002 to eBay
  • Amount Sold For: $1.5 billion


  • Company’s Purpose: Sold and installed solar energy generation systems
  • Musk’s Title: Chairman
  • Year Founded: 2006, by Musk’s cousins
  • Amount Musk Invested: $10 million
  • Year Sold: 2016, acquired by Tesla Energy
  • Amount Sold For: $2.6 billion in stock


  • Company’s Purpose: AI research company
  • Musk’s Title: Co-founder
  • Year Founded: 2015
  • Cost to Start Company: $1 billion from founders, including $50 million from Musk
  • Year Sold/Left: Resigned from board in 2018

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