BlackRock, Inc. Reports 6.6% Stake in 3M Company (MMM) with Over 34 Million Shares

BlackRock, Inc. filed a Schedule 13G/A on April 27, 2026, disclosing a significant stake in 3M Company (MMM). As of the event date on March 31, 2026, BlackRock reported beneficial ownership of 34,291,537 shares of common stock, representing a 6.6% ownership stake in the company. This filing marks an increase from a previously reported 0.0% position, indicating a substantial new or restored reporting threshold achievement. Of the total shares held, BlackRock possesses sole voting power over 31,204,145 shares and sole dispositive power over the full 34,291,537 shares. The filing specifies that the securities were acquired in the ordinary course of business and are not held for the purpose of influencing or changing the control of the issuer. Various subsidiary entities under BlackRock, Inc. are involved in the holding, though no individual person's interest exceeds 5% of the total outstanding common shares. The filing was signed by Spencer Fleming, Managing Director, and represents the 13th amendment to their reporting for this issuer.