General Discussion

(IPO) of his aerospace and AI company, SpaceX, in June 2026.

https://www.reuters.com/business/media-telecom/spacex-ipo-makes-elon-musk-worlds-first-trillionaire-2026-06-11/

The monumental surge in his net worth was driven by two massive stock holdings:

https://en.wikipedia.org/wiki/Wealth_of_Elon_Musk

SpaceX IPO: The listing saw the company debut with an unprecedented valuation (raising approximately $75 billion to $87.5 billion on opening day). Musk's roughly 42% equity stake in the company catapulted his on-paper net worth by hundreds of billions.

https://www.bbc.com/news/articles/c4gyp523ly8o

Tesla Stock: His 12% to 20% ownership stake in Tesla (TSLA) has driven the bulk of his paper wealth for years, as market confidence in his software-driven automotive and energy strategies pushed the automaker's market cap into the trillions.Together, these two company stakes generated a net worth of over $1.1 trillion for Musk. Historically, he achieved initial multi-millionaire status by co-founding and selling companies like Zip2 and X.com (which later became PayPal) in the late 1990s and early 2000s, later reinvesting the entirety of those windfalls into SpaceX, Tesla, and subsequent ventures like Neuralink.