Vanguard Capital Management Establishes 5.25% Stake in Knife River Corp (KNF)

Vanguard Capital Management LLC filed a Schedule 13G on April 30, 2026, reporting a new 5.25% ownership stake in Knife River Corp (KNF). As of the event date on March 31, 2026, Vanguard beneficially owns 2,979,706 shares of Common Stock. This position represents a significant increase from a previously reported zero holdings, crossing the 5% disclosure threshold. The filing indicates that Vanguard holds sole dispositive power over all 2,979,706 shares, while maintaining sole voting power over 433,816 shares. The securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. The reporting entity includes several affiliates, such as Vanguard Asset Management Limited and Vanguard Global Advisers, LLC. No other single person's interest in these securities exceeds 5%. This filing establishes Vanguard as a major institutional shareholder in the Bismarck, North Dakota-based construction materials and contracting services company.