Vanguard Capital Management Establishes 5.17% Stake in Olin Corp

On April 30, 2026, Vanguard Capital Management LLC filed a Schedule 13G with the SEC, disclosing a new 5.17% passive ownership stake in Olin Corp (OLN). As of the event date on March 31, 2026, Vanguard reported beneficial ownership of 5,893,903 shares of common stock. The filing indicates that Vanguard holds sole dispositive power over all 5,893,903 shares, while maintaining sole voting power over 854,935 shares. The reported holdings include shares managed by various affiliates and business divisions, such as Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. This position was previously reported as 0.0%, marking a significant increase and crossing the 5% disclosure threshold. The filing was made under Rule 13d-1(b), certifying that the shares were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. Olin Corp is headquartered in Clayton, Missouri, and the filing was signed by Ashley Grim, Head of Global Fund Administration.