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 		$904K Sell
2,700
-3,200
-54% -$1.01M ﹤0.01% 2898
2026
Q1 		$1.9M Buy
+5,900
New +$1.83M ﹤0.01% 1858
2025
Q4 		– Sell
-5,100
Closed -$270K – 9749
2025
Q3 		$270K Buy
5,100
+1,300
+34% +$63K ﹤0.01% 4604
2025
Q2 		$159K Sell
3,800
-6,900
-64% -$263K ﹤0.01% 4750
2025
Q1 		$405K Sell
10,700
-10,600
-50% -$662K ﹤0.01% 3621
2024
Q4 		$1.64M Sell
21,300
-1,100
-5% -$79.6K ﹤0.01% 2375
2024
Q3 		$1.29M Buy
22,400
+20,800
+1,300% +$1.12M ﹤0.01% 2686
2024
Q2 		$66K Buy
1,600
+100
+7% +$4.73K ﹤0.01% 5795
2024
Q1 		$91K Buy
+1,500
New +$67.3K ﹤0.01% 5685
2023
Q4 		– Sell
-1,533
Closed -$39K – 9593
2023
Q3 		$39K Buy
1,533
+580
+61% +$11K ﹤0.01% 6033
2023
Q2 		$16K Buy
953
+433
+83% +$6.63K ﹤0.01% 6989
2023
Q1 		$6K Buy
+520
New +$21.9K ﹤0.01% 7928
2022
Q4 		– Sell
-440
Closed -$14K – 10153
2022
Q3 		$14K Sell
440
-387
-47% -$19.3K ﹤0.01% 7921
2022
Q2 		$30K Buy
827
+574
+227% +$61.3K ﹤0.01% 7159
2022
Q1 		$38K Buy
253
+246
+3,514% +$50.5K ﹤0.01% 7507
2021
Q4 		$1K Sell
7
-33
-83% -$9.68K ﹤0.01% 10230
2021
Q3 		$11K Hold
40
– – ﹤0.01% 8879
2021
Q2 		$10K Buy
+40
New +$14.3K ﹤0.01% 9104

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.