American Century Companies’s Acumen Pharmaceuticals ABOS Stock Holding History

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

American Century Companies opened a new position in Acumen Pharmaceuticals (ABOS) in Q1 2026: 17,929 shares worth $42.3K. The stake represents ﹤0.01% of the portfolio and ranks #2815 among its holdings. This is a return to the name: American Century Companies previously reported a position in ABOS as recently as Q4 2024.

American Century Companies first reported a position in ABOS in Q3 2023 and has held it in 7 quarters since. The position peaked at $140K in Q1 2024. 84 funds tracked by Wall St. Rank hold ABOS as of Q1 2026.

• American Century Companies held 17,929 shares of Acumen Pharmaceuticals worth $42.3K as of Q1 2026.
• Acumen Pharmaceuticals was a new American Century Companies position in Q1 2026.
• Acumen Pharmaceuticals made up ﹤0.01% of American Century Companies's portfolio in Q1 2026, its #2815 holding.
• American Century Companies first reported a position in Acumen Pharmaceuticals in Q3 2023 and has held it in 7 quarters since.
• American Century Companies's Acumen Pharmaceuticals position peaked at $140K in Q1 2024.
• 84 funds tracked by Wall St. Rank held Acumen Pharmaceuticals as of Q1 2026.

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