What stocks does Elon Musk buy?

Elon Musk's investment portfolio is primarily focused on companies he founded or controls, with a few external investments. Here are the key companies in his portfolio:

1. **Tesla (TSLA)**: Musk is an early investor and one of the first employees of Tesla, which has become the electric vehicle giant. Tesla is currently valued at $770.2 billion.
2. **SpaceX**: Founded by Musk in 2002, SpaceX is a leading aerospace company with a valuation of $150 billion.
3. **The Boring Company**: Founded in 2016, this company is focused on infrastructure and underground tunnel construction services. It has a valuation of $5.7 billion as of April 2022.
4. **Neuralink**: Established in 2016, Neuralink is working on neurotechnology and has a valuation of $5 billion as of June 2023.
5. **xAI**: Founded in 2023, xAI is a rival to ChatGPT creator OpenAI and has raised €15.6 billion in enterprise software.
6. **PayPal**: Musk co-founded PayPal and was once the largest shareholder with a 11.7% stake. He sold his shares after PayPal was acquired by eBay in 2022.
7. **OpenAI**: Musk was a co-founder of OpenAI but resigned from the board in 2018. He has publicly stated his investment in OpenAI is not for financial gain but to stay informed about AI development.

In summary, Elon Musk's investment strategy is centered around controlling and investing in companies that align with his vision and expertise, with a few diversified investments in external stocks like PayPal and OpenAI.