Vanguard Capital Management Reports New 5.07% Passive Stake in Patterson-UTI Energy Inc

On April 30, 2026, Vanguard Capital Management LLC filed a Schedule 13G with the SEC, reporting a new 5.07% stake in Patterson-UTI Energy Inc (PTEN). As of the event date on March 31, 2026, the investment adviser beneficially owns 19,259,019 shares of Common Stock. This position represents a significant increase from a previously reported 0% ownership, crossing the 5% disclosure threshold. According to the filing, Vanguard Capital Management possesses sole dispositive power over all 19,259,019 shares, while holding sole voting power over 2,638,211 shares. The filing includes holdings managed by various affiliates, including Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. The securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. No other single person's interest in these securities exceeds 5% of the total shares outstanding.