BlackRock, Inc. Increases Stake in AdvanSix Inc. to 7.1% Ownership

On April 24, 2026, BlackRock, Inc. filed a Schedule 13G/A with the SEC, reporting an increased stake in AdvanSix Inc. (ASIX). As of the event date on March 31, 2026, BlackRock beneficially owns 1,919,001 shares of common stock, representing a 7.1% ownership stake in the company. This filing represents the fifth amendment to their Schedule 13G, indicating a continued and growing position compared to previous reports where the ownership was not explicitly detailed in the provided metadata. The filing specifies that BlackRock holds sole voting power over 1,891,978 shares and sole dispositive power over the full 1,919,001 shares. The securities were acquired in the ordinary course of business, and the filing includes a certification that the shares were not acquired for the purpose of influencing or changing the control of AdvanSix Inc. Various subsidiaries of BlackRock are listed as having the right to receive dividends or proceeds from the sale of these securities, though no individual subsidiary holds more than 5% of the total outstanding common shares.