TechFlame reports that, according to filings submitted to the U.S. Securities and Exchange Commission (SEC), the venture capital firm Founders Fund, led by billionaire and top Silicon Valley investor Peter Thiel, held 928,389 shares of Ethereum treasury company ETHZilla as of September 30, 2025, equivalent to 5.6% of ETHZilla's shares. Compared to the 7.5% stake in ETHZilla reported on August 4, entities related to Peter Thiel had reduced their holdings by 1.9% of ETHZilla shares prior to September 30.