BlackRock cuts Abivax stake below 5%, voting rights to 4.52%
ABVX•BlackRock’s Abivax holding fell below 5% on Sept. 22, 2026, to 4,005,135 shares, or 4.59% of capital; voting rights fell to 4.52%.
1. Stake falls below 5%
BlackRock’s Abivax holding fell to 4,005,135 shares, equal to 4.59% of capital, while voting rights slipped to 4.52%. The change reflected an off-market share sale, partly offset by a reduction in shares held as collateral.




