JY
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Jeff Yass’s Praxis Precision Medicines PRAX Stock Holding History

Jeff Yass’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 		$41.9M Buy
125,100
+25,400
+25% +$8.04M ﹤0.01% 1683
2026
Q1 		$32.1M Sell
99,700
-51,000
-34% -$15.8M ﹤0.01% 1670
2025
Q4 		$44.4M Buy
150,700
+69,100
+85% +$12.9M 0.01% 1463
2025
Q3 		$4.32M Sell
81,600
-21,200
-21% -$1.03M ﹤0.01% 4320
2025
Q2 		$4.32M Sell
102,800
-18,200
-15% -$693K ﹤0.01% 4256
2025
Q1 		$4.58M Sell
121,000
-6,600
-5% -$412K ﹤0.01% 3813
2024
Q4 		$9.82M Buy
127,600
+40,000
+46% +$2.89M ﹤0.01% 2690
2024
Q3 		$5.04M Sell
87,600
-79,500
-48% -$4.29M ﹤0.01% 3574
2024
Q2 		$6.91M Buy
167,100
+155,200
+1,304% +$7.33M ﹤0.01% 2952
2024
Q1 		$726K Buy
+11,900
New +$534K ﹤0.01% 7621
2023
Q2 		– Sell
-12,647
Closed -$154K – 12901
2023
Q1 		$154K Buy
+12,647
New +$534K ﹤0.01% 10893
2022
Q3 		– Sell
-3,027
Closed -$111K – 13922
2022
Q2 		$111K Buy
+3,027
New +$323K ﹤0.01% 11381
2021
Q3 		– Sell
-860
Closed -$236K – 13374
2021
Q2 		$236K Buy
+860
New +$308K ﹤0.01% 11250

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

Jeff Yass's PRAX Position: Q2 2026 in Review

Jeff Yass reduced its Praxis Precision Medicines (PRAX) stake by 58% in Q2 2026, selling an estimated $1.56M and leaving 3,594 shares worth $1.2M. The position accounts for ﹤0.01% of the portfolio, ranked #7726.

Jeff Yass first reported a position in PRAX in Q4 2021 and has held it in 18 quarters since. The position peaked at $12.2M in Q4 2024. 308 funds tracked by Wall St. Rank hold PRAX as of Q2 2026.

  • Jeff Yass held 3,594 shares of Praxis Precision Medicines worth $1.2M as of Q2 2026.
  • Jeff Yass sold 4,923 Praxis Precision Medicines shares in Q2 2026, an estimated $1.56M.
  • Praxis Precision Medicines made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #7726 holding.
  • Jeff Yass first reported a position in Praxis Precision Medicines in Q4 2021 and has held it in 18 quarters since.
  • Jeff Yass's Praxis Precision Medicines position peaked at $12.2M in Q4 2024.
  • 308 funds tracked by Wall St. Rank held Praxis Precision Medicines as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.