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 		– Sell
-1,660
Closed -$525K – 10103
2026
Q1 		$535K Buy
+1,660
New +$514K ﹤0.01% 3170
2025
Q4 		– Sell
-22,529
Closed -$1.19M – 9750
2025
Q3 		$1.19M Sell
22,529
-2,799
-11% -$136K ﹤0.01% 2867
2025
Q2 		$1.06M Buy
25,328
+22,030
+668% +$839K ﹤0.01% 2716
2025
Q1 		$124K Sell
3,298
-13,556
-80% -$847K ﹤0.01% 4843
2024
Q4 		$1.3M Buy
16,854
+4,436
+36% +$321K ﹤0.01% 2591
2024
Q3 		$714K Buy
12,418
+10,857
+696% +$586K ﹤0.01% 3236
2024
Q2 		$64K Sell
1,561
-1,794
-53% -$84.8K ﹤0.01% 5823
2024
Q1 		$204K Buy
3,355
+1,963
+141% +$88.1K ﹤0.01% 4834
2023
Q4 		$31K Buy
+1,392
New +$25.1K ﹤0.01% 6542
2023
Q1 		– Sell
-81
Closed -$3.42K – 9885
2022
Q4 		$2K Sell
81
-775
-91% -$24.2K ﹤0.01% 8625
2022
Q3 		$29K Sell
856
-797
-48% -$39.7K ﹤0.01% 7113
2022
Q2 		$60K Buy
+1,653
New +$176K ﹤0.01% 6247
2022
Q1 		– Sell
-9
Closed -$1.85K – 11181
2021
Q4 		$2K Buy
+9
New +$2.64K ﹤0.01% 10034

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.