Josh Kushner, founder of Thrive Capital, has reached an estimated net worth of $17.5 billion as of October 8, 2026, according to the Bloomberg Billionaires Index. His wealth is primarily driven by his 97% stake in the firm he established in 2010.

Thrive Capital has seen significant growth, with assets under management rising from $23 billion at the end of 2024 to over $65 billion by August 2026. The firm maintains an internal rate of return of 33% across its funds.

Key investments include a stake in SpaceX, now valued at approximately $10 billion following its June 2026 IPO, and cumulative investments exceeding $2 billion in OpenAI. The firm also holds a 7% stake in Cursor, an AI startup valued at $4.2 billion.

In August 2026, Thrive Holdings raised $2 billion at a valuation of $12 billion. Additionally, the firm expanded its portfolio beyond technology by acquiring the Los Angeles Lakers for a record $12.5 billion in August 2026.