Vanguard Capital Management LLC Acquires 5.26% Stake in Oceaneering International Inc

On April 30, 2026, Vanguard Capital Management LLC filed a Schedule 13G with the SEC, disclosing a new 5.26% stake in Oceaneering International Inc (OII). As of the event date of March 31, 2026, the firm reported beneficial ownership of 5,229,683 shares of common stock. This filing represents an increase from a previous ownership level of 0.0%, indicating a significant new position for the investment adviser. Vanguard reported sole dispositive power over all 5,229,683 shares, while holding sole voting power over 750,920 shares. The filing specifies that these securities were acquired in the ordinary course of business and not for the purpose of changing or influencing the control of the issuer. The reported holdings include shares managed by various Vanguard affiliates, including Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. No other single person associated with the filing holds an interest exceeding 5% of the issuer's securities.