Sergey Brin
Google co-founder Sergey Brin increased his contributions to $102 million to fight Proposition 40, which provides for a 5% tax on billionaires. His organization, Building a Better California, is funding initiatives to repeal the tax.
2025 was a record-breaking profitable year for billionaires: their combined wealth grew by $3. 6 trillion to $18.7 trillion, thanks to the boom in AI and tech sector investments. Elon Musk increased his fortune by $333.2 billion, reaching $754 billion, becoming the first person with a fortune exceeding $700 billion.
Today, September 15, marks the Day of Radiation, Chemical, and Biological Protection Troops of Ukraine and the International Day of Democracy. Free Money Day is also celebrated.
Forbes published the ranking of billionaires for 2025. Elon Musk topped the list with $342 billion, ahead of Zuckerberg and Bezos, becoming the richest person in the world.
Eight tech billionaires have lost about $266 billion due to Trump's policies. Elon Musk lost $132 billion due to the drop in Tesla shares.