6CM
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683 Capital Management’s Protagonist Therapeutics PTGX Stock Holding History

683 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 		$1.59M Sell
15,100
-35,200
-70% -$3.12M 0.08% 122
2025
Q4 		$4.39M Buy
+50,300
New +$4.12M 0.19% 90
2023
Q2 		– Sell
-82,000
Closed -$1.89M – 234
2023
Q1 		$1.89M Buy
+82,000
New +$1.38M 0.14% 120

Other funds holding PTGX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
JJ
Johnson & Johnson New Brunswick, New Jersey $652M AUM 198.07% 1-Year Est. Return

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

683 Capital Management reduced its Protagonist Therapeutics (PTGX) stake by 6.7% in Q1 2026, selling an estimated $2.27M and leaving 355,000 shares worth $37.4M. The position accounts for 1.95% of the portfolio, ranked #10.

683 Capital Management first reported a position in PTGX in Q4 2022 and has held it in 14 quarters since. 318 funds tracked by Wall St. Rank hold PTGX as of Q1 2026.

  • 683 Capital Management held 355,000 shares of Protagonist Therapeutics worth $37.4M as of Q1 2026.
  • 683 Capital Management sold 25,669 Protagonist Therapeutics shares in Q1 2026, an estimated $2.27M.
  • Protagonist Therapeutics made up 1.95% of 683 Capital Management's portfolio in Q1 2026, its #10 holding.
  • 683 Capital Management first reported a position in Protagonist Therapeutics in Q4 2022 and has held it in 14 quarters since.
  • 318 funds tracked by Wall St. Rank held Protagonist Therapeutics as of Q1 2026.

Based on 683 Capital Management's 13F filing for Q1 2026, filed 15 May 2026.