American Century Companies’s Cytek Biosciences CTKB Stock Holding History

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

American Century Companies reduced its Cytek Biosciences (CTKB) stake by 1% in Q1 2026, selling an estimated $14K and leaving 281,681 shares worth $1.23M. The position accounts for ﹤0.01% of the portfolio, ranked #2266.

American Century Companies first reported a position in CTKB in Q4 2023 and has held it in 10 quarters since. The position peaked at $1.44M in Q4 2025. 165 funds tracked by Wall St. Rank hold CTKB as of Q1 2026.

• American Century Companies held 281,681 shares of Cytek Biosciences worth $1.23M as of Q1 2026.
• American Century Companies sold 2,963 Cytek Biosciences shares in Q1 2026, an estimated $14K.
• Cytek Biosciences made up ﹤0.01% of American Century Companies's portfolio in Q1 2026, its #2266 holding.
• American Century Companies first reported a position in Cytek Biosciences in Q4 2023 and has held it in 10 quarters since.
• American Century Companies's Cytek Biosciences position peaked at $1.44M in Q4 2025.
• 165 funds tracked by Wall St. Rank held Cytek Biosciences as of Q1 2026.

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