BlackRock Portfolio Management LLC Reports 5.2% Stake in Advanced Energy Industries Inc

BlackRock Portfolio Management LLC filed a Schedule 13G/A on May 1, 2026, reporting a new 5.2% ownership stake in Advanced Energy Industries Inc (AEIS). The filing indicates that as of March 31, 2026, the reporting person beneficially owns 1,958,423 shares of common stock. Within this position, BlackRock Portfolio Management LLC holds sole voting power over 1,825,293 shares and sole dispositive power over the full 1,958,423 shares. This amendment marks an increase from a previous reported position of 0.0%, establishing a significant minority interest. The filing was made under Rule 13d-1(b), certifying that the shares were acquired in the ordinary course of business and not for the purpose of changing or influencing the control of the issuer. Various persons associated with the reporting business units have the right to receive dividends or proceeds from the sale of the stock, though no single person's interest exceeds 5% of the total outstanding shares. The reporting entity is classified as a parent holding company.