American Century Companies’s Protagonist Therapeutics PTGX Stock Holding History

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

American Century Companies increased its Protagonist Therapeutics (PTGX) stake by 0.35% in Q1 2026, buying an estimated $168K and bringing the position to 537,320 shares worth $56.6M. The position accounts for 0.03% of the portfolio, ranked #694.

American Century Companies first reported a position in PTGX in Q1 2018 and has held it in 17 quarters since. 318 funds tracked by Wall St. Rank hold PTGX as of Q1 2026.

• American Century Companies held 537,320 shares of Protagonist Therapeutics worth $56.6M as of Q1 2026.
• American Century Companies bought 1,897 Protagonist Therapeutics shares in Q1 2026, an estimated $168K.
• Protagonist Therapeutics made up 0.03% of American Century Companies's portfolio in Q1 2026, its #694 holding.
• American Century Companies first reported a position in Protagonist Therapeutics in Q1 2018 and has held it in 17 quarters since.
• 318 funds tracked by Wall St. Rank held Protagonist Therapeutics as of Q1 2026.

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