Palantir Cofounder Exits Ethereum Treasury Firm After $115M Ether Sales

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Palantir co-founder Peter Thiel’s Founders Fund fully exited its 7.5% stake in Ethereum treasury firm ETHZilla by end-2025, dropping from over 100,000 ETH to zero. ETHZilla sold $40 million of Ether in October and $74.5 million in December to fund share buybacks and repay convertible debt.

1. Complete Exit by Founders Fund

Peter Thiel’s Founders Fund reported zero ownership in ETHZilla by the end of 2025, down from a 7.5% stake that controlled more than 100,000 ETH. The exit was confirmed via SEC filings showing a full divestment from the digital asset treasury firm.

2. ETHZilla’s Strategic Ether Sales

In response to Ethereum’s 28.4% Q4 2025 decline, ETHZilla sold roughly $40 million of Ether in October and another $74.5 million in December. The October proceeds were used for share buybacks, while the December funds went toward repaying senior secured convertible debt.

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