Vanguard Capital Management Acquires 5.05% Stake in MARA Holdings Inc

On April 30, 2026, Vanguard Capital Management LLC filed a Schedule 13G with the SEC, reporting a significant new ownership stake in MARA Holdings Inc (MARA). As of the event date on March 31, 2026, Vanguard reported beneficial ownership of 19,211,414 shares of common stock, representing 5.05% of the company. This filing marks an increase from a previous ownership level of 0.0%, establishing Vanguard as a major institutional holder. The filing indicates that Vanguard holds sole dispositive power over all 19,211,414 shares, while exercising sole voting power over 2,858,975 shares. The reported securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. The ownership includes shares held by various Vanguard affiliates and business divisions, including Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. This position is valued at approximately $220.16 million based on the filing data.