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AIHC Capital Management’s Protagonist Therapeutics PTGX Stock Holding History

AIHC Capital Management’s Portfolio PTGX Stock Details PTGX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-189,823
Closed -$16.6M – 6
2025
Q4 		$16.6M Buy
+189,823
New +$15.5M 15.54% 2

Other funds holding PTGX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
JJ
Johnson & Johnson New Brunswick, New Jersey $799M AUM 253.51% 1-Year Est. Return

AIHC Capital Management's PTGX Position: Q1 2026 in Review

AIHC Capital Management sold out of Protagonist Therapeutics (PTGX) in Q1 2026, closing a stake of 189,823 shares — an estimated $16.6M sold.

AIHC Capital Management first reported a position in PTGX in Q4 2025 and held it in 1 quarter. The position peaked at $16.6M in Q4 2025. 320 funds tracked by Wall St. Rank hold PTGX as of Q1 2026.

  • AIHC Capital Management reported no remaining Protagonist Therapeutics position as of Q1 2026 after selling out during the quarter.
  • AIHC Capital Management sold 189,823 Protagonist Therapeutics shares in Q1 2026, an estimated $16.6M.
  • AIHC Capital Management first reported a position in Protagonist Therapeutics in Q4 2025 and held it in 1 quarter.
  • AIHC Capital Management's Protagonist Therapeutics position peaked at $16.6M in Q4 2025.
  • 320 funds tracked by Wall St. Rank held Protagonist Therapeutics as of Q1 2026.

Based on AIHC Capital Management's 13F filing for Q1 2026, filed 8 May 2026.