Vanguard Capital Management Discloses New 5.26% Stake in MDU Resources Group Inc

On April 30, 2026, Vanguard Capital Management LLC filed a Schedule 13G with the SEC, reporting a new 5.26% ownership stake in MDU Resources Group Inc. As of the event date of March 31, 2026, Vanguard beneficially owns 10,768,699 shares of common stock. The filing indicates that Vanguard holds sole dispositive power over all 10,768,699 shares, while maintaining sole voting power over 1,620,813 shares. This position represents a significant increase from a previously reported 0% ownership, establishing Vanguard as a major institutional shareholder. The filing includes holdings from various affiliates, including Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. Vanguard certified that these securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. MDU Resources Group, headquartered in Bismarck, North Dakota, is the issuer of the reported common stock.