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 		$23.3M Buy
69,700
+33,800
+94% +$10.7M ﹤0.01% 2293
2026
Q1 		$11.6M Sell
35,900
-35,400
-50% -$11M ﹤0.01% 2897
2025
Q4 		$21M Sell
71,300
-30,100
-30% -$5.61M ﹤0.01% 2149
2025
Q3 		$5.37M Sell
101,400
-3,400
-3% -$165K ﹤0.01% 3965
2025
Q2 		$4.41M Sell
104,800
-6,000
-5% -$228K ﹤0.01% 4210
2025
Q1 		$4.2M Buy
110,800
+26,500
+31% +$1.65M ﹤0.01% 3993
2024
Q4 		$6.49M Buy
84,300
+20,300
+32% +$1.47M ﹤0.01% 3216
2024
Q3 		$3.68M Sell
64,000
-102,300
-62% -$5.53M ﹤0.01% 4158
2024
Q2 		$6.88M Buy
166,300
+154,400
+1,297% +$7.3M ﹤0.01% 2955
2024
Q1 		$726K Buy
+11,900
New +$534K ﹤0.01% 7620
2023
Q4 		– Sell
-2,520
Closed -$64.6K – 13090
2023
Q3 		$64.6K Buy
2,520
+1,213
+93% +$22.9K ﹤0.01% 11180
2023
Q2 		$22.5K Buy
+1,307
New +$20K ﹤0.01% 11607
2022
Q3 		– Sell
-4,260
Closed -$157K – 13921
2022
Q2 		$157K Buy
4,260
+3,367
+377% +$359K ﹤0.01% 10971
2022
Q1 		$137K Sell
893
-200
-18% -$41.1K ﹤0.01% 11636
2021
Q4 		$323K Buy
1,093
+360
+49% +$106K ﹤0.01% 10302
2021
Q3 		$203K Buy
+733
New +$199K ﹤0.01% 11454

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.