A subsidiary of global asset manager BlackRock has secured more than 5% of shares in Alteogen, filing a new large-scale holdings report. The purpose is simple investment, not participation in management.

According to a regulatory filing on the 7th, BlackRock Fund Advisors, including related parties, held 2,694,448 shares of Alteogen, recording a 5.03% stake. Both the date the reporting obligation arose and the reference date for the report are July 31, 2026.

BlackRock acquired the stake through open-market purchases. As of the previous reference date (July 30, 2026), it held 2,670,175 shares (4.98%), but purchased an additional 24,273 shares in a single day. As a result, the holding ratio rose by 0.05 percentage points, exceeding 5% and triggering the disclosure obligation.

The shares held consist of funds and client account balances managed by BlackRock Fund Advisors and 12 related parties. A detailed breakdown shows that the largest holder is BlackRock Fund Advisors, with 1,524,675 shares (2.84%). This is followed by BlackRock Institutional Trust Company, N.A., with 486,925 shares (0.91%), and BlackRock Advisors (UK) Limited, with 431,760 shares (0.81%).

According to the filing, the reporter and related parties came to hold the shares in the process of managing client assets in their capacity as investment advisors. It stated that no individual fund or client account independently holds 5% or more of Alteogen shares.