Simplex Trading
PTGX icon

Simplex Trading’s Protagonist Therapeutics PTGX Stock Holding History

Simplex Trading’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
2025
Q4 		– Sell
-6,800
Closed -$451K – 9778
2025
Q3 		$451K Sell
6,800
-31,400
-82% -$1.78M ﹤0.01% 3955
2025
Q2 		$2.11M Sell
38,200
-4,400
-10% -$211K ﹤0.01% 2053
2025
Q1 		$2.06M Buy
42,600
+13,800
+48% +$578K ﹤0.01% 2004
2024
Q4 		$1.11M Buy
28,800
+28,600
+14,300% +$1.25M ﹤0.01% 2737
2024
Q3 		$9K Buy
200
+100
+100% +$4.04K ﹤0.01% 7270
2024
Q2 		$3K Sell
100
-3,000
-97% -$87.9K ﹤0.01% 8146
2024
Q1 		$89K Sell
3,100
-16,200
-84% -$441K ﹤0.01% 5712
2023
Q4 		$442K Buy
19,300
+19,000
+6,333% +$332K ﹤0.01% 3826
2023
Q3 		$5K Sell
300
-12,200
-98% -$237K ﹤0.01% 7681
2023
Q2 		$345K Sell
12,500
-10,900
-47% -$273K ﹤0.01% 3687
2023
Q1 		$538K Buy
23,400
+19,800
+550% +$333K ﹤0.01% 3187
2022
Q4 		$39K Buy
3,600
+3,300
+1,100% +$27.8K ﹤0.01% 6178
2022
Q3 		$2K Sell
300
-74,600
-100% -$706K ﹤0.01% 9335
2022
Q2 		$592K Sell
74,900
-1,500
-2% -$18.1K ﹤0.01% 3237
2022
Q1 		$1.81M Buy
76,400
+76,200
+38,100% +$2.15M ﹤0.01% 2213
2021
Q4 		$6K Hold
200
– – ﹤0.01% 9427
2021
Q3 		$9K Hold
200
– – ﹤0.01% 9000
2021
Q2 		$8K Buy
200
+199
+19,900% +$6.57K ﹤0.01% 9236
2021
Q1 		$2K Sell
1
-3
-75% -$76 ﹤0.01% 8482
2020
Q4 		$8K Hold
4
– – ﹤0.01% 7538
2020
Q3 		$7K Buy
+4
New +$75 ﹤0.01% 6967

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

Simplex Trading's PTGX Position: Q3 2025 in Review

Simplex Trading sold out of Protagonist Therapeutics (PTGX) in Q3 2025, closing a stake of 9,452 shares — an estimated $537K sold.

Simplex Trading first reported a position in PTGX in Q4 2020 and held it in 12 quarters. The position peaked at $1.45M in Q1 2023. 274 funds tracked by Wall St. Rank hold PTGX as of Q3 2025.

  • Simplex Trading reported no remaining Protagonist Therapeutics position as of Q3 2025 after selling out during the quarter.
  • Simplex Trading sold 9,452 Protagonist Therapeutics shares in Q3 2025, an estimated $537K.
  • Simplex Trading first reported a position in Protagonist Therapeutics in Q4 2020 and held it in 12 quarters.
  • Simplex Trading's Protagonist Therapeutics position peaked at $1.45M in Q1 2023.
  • 274 funds tracked by Wall St. Rank held Protagonist Therapeutics as of Q3 2025.

Based on Simplex Trading's 13F filing for Q3 2025, filed 12 Nov 2025.