Simplex Trading
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Simplex Trading’s Praxis Precision Medicines PRAX Stock Holding History

Simplex Trading’s Portfolio PRAX Stock Details PRAX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$703K Sell
2,100
-10,200
-83% -$3.23M ﹤0.01% 3197
2026
Q1 		$3.96M Buy
+12,300
New +$3.81M ﹤0.01% 1282
2025
Q4 		– Sell
-24,600
Closed -$1.3M – 9751
2025
Q3 		$1.3M Sell
24,600
-16,000
-39% -$776K ﹤0.01% 2776
2025
Q2 		$1.71M Sell
40,600
-5,500
-12% -$209K ﹤0.01% 2252
2025
Q1 		$1.75M Sell
46,100
-3,200
-6% -$200K ﹤0.01% 2167
2024
Q4 		$3.79M Buy
49,300
+33,300
+208% +$2.41M ﹤0.01% 1676
2024
Q3 		$920K Buy
16,000
+15,800
+7,900% +$854K ﹤0.01% 2996
2024
Q2 		$8K Sell
200
-800
-80% -$37.8K ﹤0.01% 7605
2024
Q1 		$61K Buy
+1,000
New +$44.9K ﹤0.01% 6089
2022
Q3 		– Sell
-840
Closed -$30K – 10671
2022
Q2 		$30K Buy
+840
New +$89.7K ﹤0.01% 7160

Other funds holding PRAX

JT
Jupiter Topco New York $245B AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Simplex Trading's PRAX Position: Q2 2026 in Review

Simplex Trading sold out of Praxis Precision Medicines (PRAX) in Q2 2026, closing a stake of 1,660 shares — an estimated $525K sold.

Simplex Trading first reported a position in PRAX in Q4 2021 and held it in 13 quarters. The position peaked at $1.3M in Q4 2024. 310 funds tracked by Wall St. Rank hold PRAX as of Q2 2026.

  • Simplex Trading reported no remaining Praxis Precision Medicines position as of Q2 2026 after selling out during the quarter.
  • Simplex Trading sold 1,660 Praxis Precision Medicines shares in Q2 2026, an estimated $525K.
  • Simplex Trading first reported a position in Praxis Precision Medicines in Q4 2021 and held it in 13 quarters.
  • Simplex Trading's Praxis Precision Medicines position peaked at $1.3M in Q4 2024.
  • 310 funds tracked by Wall St. Rank held Praxis Precision Medicines as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.