Vanguard Capital Management Acquires 5.27% Passive Stake in Owens Corning

On April 30, 2026, Vanguard Capital Management LLC filed a Schedule 13G with the SEC, reporting a new 5.27% passive stake in Owens Corning (OC). As of the event date on March 31, 2026, the investment adviser beneficially owns 4,243,450 shares of common stock. The filing indicates that Vanguard holds sole dispositive power over all 4,243,450 shares, while maintaining sole voting power over 625,422 shares. The reporting person includes several affiliates such as Vanguard Asset Management Limited, Vanguard Fiduciary Trust Company, Vanguard Global Advisers, LLC, and Vanguard Investments Australia Ltd. The shares were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. This filing marks an increase from a previous ownership position of 0.0%, establishing Vanguard as a significant institutional shareholder in the Toledo-based building materials company. No other single person's interest in the reported securities exceeds 5%.