American Century Companies’s ACM Research ACMR Stock Holding History

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

American Century Companies reduced its ACM Research (ACMR) stake by 0.95% in Q1 2026, selling an estimated $76.3K and leaving 150,549 shares worth $5.92M. The position accounts for ﹤0.01% of the portfolio, ranked #1702.

American Century Companies first reported a position in ACMR in Q2 2023 and has held it in 12 quarters since. The position peaked at $6M in Q4 2025. 300 funds tracked by Wall St. Rank hold ACMR as of Q1 2026.

• American Century Companies held 150,549 shares of ACM Research worth $5.92M as of Q1 2026.
• American Century Companies sold 1,437 ACM Research shares in Q1 2026, an estimated $76.3K.
• ACM Research made up ﹤0.01% of American Century Companies's portfolio in Q1 2026, its #1702 holding.
• American Century Companies first reported a position in ACM Research in Q2 2023 and has held it in 12 quarters since.
• American Century Companies's ACM Research position peaked at $6M in Q4 2025.
• 300 funds tracked by Wall St. Rank held ACM Research as of Q1 2026.

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