American Century Companies’s Ribbon Communications RBBN Stock Holding History

American Century Companies's RBBN Position: Q2 2026 in Review

American Century Companies reduced its Ribbon Communications (RBBN) stake by 0.61% in Q2 2026, selling an estimated $3.4K and leaving 211,076 shares worth $494K. The position accounts for ﹤0.01% of the portfolio, ranked #2584.

American Century Companies first reported a position in RBBN in Q3 2016 and has held it in 16 quarters since. The position peaked at $791K in Q3 2025. 112 funds tracked by Wall St. Rank hold RBBN as of Q2 2026.

• American Century Companies held 211,076 shares of Ribbon Communications worth $494K as of Q2 2026.
• American Century Companies sold 1,287 Ribbon Communications shares in Q2 2026, an estimated $3.4K.
• Ribbon Communications made up ﹤0.01% of American Century Companies's portfolio in Q2 2026, its #2584 holding.
• American Century Companies first reported a position in Ribbon Communications in Q3 2016 and has held it in 16 quarters since.
• American Century Companies's Ribbon Communications position peaked at $791K in Q3 2025.
• 112 funds tracked by Wall St. Rank held Ribbon Communications as of Q2 2026.

Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.