American Century Companies’s Annexon ANNX Stock Holding History

American Century Companies's ANNX Position: Q1 2026 in Review

American Century Companies reduced its Annexon (ANNX) stake by 95% in Q1 2026, selling an estimated $1.34M and leaving 12,463 shares worth $69K. The position accounts for ﹤0.01% of the portfolio, ranked #2802.

American Century Companies first reported a position in ANNX in Q1 2023 and has held it in 13 quarters since. The position peaked at $1.26M in Q4 2025. 217 funds tracked by Wall St. Rank hold ANNX as of Q1 2026.

• American Century Companies held 12,463 shares of Annexon worth $69K as of Q1 2026.
• American Century Companies sold 238,695 Annexon shares in Q1 2026, an estimated $1.34M.
• Annexon made up ﹤0.01% of American Century Companies's portfolio in Q1 2026, its #2802 holding.
• American Century Companies first reported a position in Annexon in Q1 2023 and has held it in 13 quarters since.
• American Century Companies's Annexon position peaked at $1.26M in Q4 2025.
• 217 funds tracked by Wall St. Rank held Annexon as of Q1 2026.

Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.