Vanguard Capital Management Reports 7.47% Passive Stake in Martin Marietta Materials Inc

Vanguard Capital Management LLC filed a Schedule 13G on April 30, 2026, reporting a new 7.47% ownership stake in Martin Marietta Materials Inc (MLM). As of the event date on March 31, 2026, the investment adviser beneficially owns 4,505,369 shares of common stock. The filing indicates that Vanguard holds sole dispositive power over all 4,505,369 shares, while possessing sole voting power over 587,986 shares. The reported holdings represent a significant increase from a previous 0% position, establishing Vanguard as a major institutional shareholder. The filing includes shares managed by various affiliates, including Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. This acquisition was made in the ordinary course of business and is not intended to influence or change the control of the issuer. The total value of the position is estimated at approximately $2.77 billion based on the filing data. No other single person's interest in these securities exceeds 5%.