As of September 2025, Steve Ballmer’s net worth is estimated at $154 billion, according to Forbes’ Real-Time Billionaires Index. The former CEO of Microsoft and current owner of the Los Angeles Clippers (NBA) continues to be one of the richest people in the United States, thanks to his deep roots in technology and sports.
How Steve Ballmer Made His Fortune
Steve Ballmer joined Microsoft in 1980 as its first business manager after dropping out of Stanford’s MBA program. Over the next two decades, he played a key role in building Microsoft into a software giant. In 2000, Ballmer became the company’s CEO, a position he held until 2014.
When he retired, Ballmer retained a significant stake in Microsoft, which has since soared in value, especially with the company’s dominance in cloud computing (Azure) and artificial intelligence investments. This stake forms the foundation of his multibillion-dollar fortune.
Sports Ownership: The LA Clippers
In 2014, Ballmer purchased the Los Angeles Clippers for $2 billion — at the time, a record for an NBA team. Today, the Clippers are valued at more than $4.5 billion, making it one of the most valuable franchises in professional basketball.
Ballmer also funded the construction of the Intuit Dome, a state-of-the-art arena in Inglewood, California, set to open in late 2025. The project reflects his vision to turn the Clippers into a top-tier global sports brand.
Why His Net Worth Keeps Rising
- Microsoft Stock Growth: Ballmer still owns around 4% of Microsoft, making him the largest individual shareholder.
- AI Boom: Microsoft’s heavy investment in artificial intelligence (including OpenAI partnerships) has fueled massive gains.
- Sports Investments: The Clippers’ rising value continues to boost his overall portfolio.
Challenges Ahead
- Sports Business Risks: Success of the Clippers depends on performance, fan engagement, and competition with other LA franchises like the Lakers.
- Tech Sector Volatility: Since most of Ballmer’s wealth is in Microsoft shares, market swings directly affect his net worth.
Final Thoughts
With a net worth of $154 billion, in 2025, Steve Ballmer proves that leadership in both technology and sports can create one of the greatest fortunes of the modern era. From guiding Microsoft through the early 2000s to transforming the LA Clippers into a powerhouse franchise, Ballmer’s influence spans industries — and his wealth shows no signs of slowing down.

















