JY
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Jeff Yass’s Eton Pharmaceutcials ETON Stock Holding History

Jeff Yass’s Portfolio ETON Stock Details ETON Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$3.23M Buy
89,300
+9,700
+12% +$284K ﹤0.01% 5463
2026
Q1 		$1.96M Buy
79,600
+17,200
+28% +$301K ﹤0.01% 6219
2025
Q4 		$1.06M Sell
62,400
-30,300
-33% -$533K ﹤0.01% 7058
2025
Q3 		$2.01M Sell
92,700
-105,800
-53% -$1.76M ﹤0.01% 5782
2025
Q2 		$2.83M Buy
+198,500
New +$3.14M ﹤0.01% 5076
2025
Q1 		– Sell
-89,700
Closed -$1.19M – 12731
2024
Q4 		$1.19M Buy
89,700
+74,700
+498% +$758K ﹤0.01% 6521
2024
Q3 		$90K Sell
15,000
-11,700
-44% -$49.5K ﹤0.01% 11112
2024
Q2 		$87.8K Buy
26,700
+2,500
+10% +$8.75K ﹤0.01% 11109
2024
Q1 		$90.8K Buy
24,200
+12,100
+100% +$52.8K ﹤0.01% 11273
2023
Q4 		$53K Sell
12,100
-10,200
-46% -$40.9K ﹤0.01% 11693
2023
Q3 		$93K Buy
+22,300
New +$86.1K ﹤0.01% 10980
2023
Q1 		– Sell
-27,900
Closed -$78.1K – 12789
2022
Q4 		$78.1K Sell
27,900
-32,200
-54% -$86.6K ﹤0.01% 11144
2022
Q3 		$126K Sell
60,100
-5,900
-9% -$14.7K ﹤0.01% 11463
2022
Q2 		$173K Sell
66,000
-9,200
-12% -$30.9K ﹤0.01% 10847
2022
Q1 		$328K Buy
75,200
+54,900
+270% +$216K ﹤0.01% 10058
2021
Q4 		$87K Sell
20,300
-32,500
-62% -$155K ﹤0.01% 12226
2021
Q3 		$266K Sell
52,800
-25,700
-33% -$134K ﹤0.01% 10865
2021
Q2 		$484K Buy
78,500
+68,500
+685% +$507K ﹤0.01% 9675
2021
Q1 		$73K Buy
+10,000
New +$85.3K ﹤0.01% 11957

Other funds holding ETON

OM
Opaleye Management Boston, Massachusetts $1.1B AUM 197.64% 1-Year Est. Return
EC
EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $3.01B AUM 119.46% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
OAM
Oberweis Asset Management Lisle, Illinois $4.84B AUM 160.95% 1-Year Est. Return
NPT
National Philanthropic Trust Jenkintown, Pennsylvania $6.92B AUM 24.7% 1-Year Est. Return

Jeff Yass's ETON Position: Q2 2026 in Review

Jeff Yass reduced its Eton Pharmaceutcials (ETON) stake by 57% in Q2 2026, selling an estimated $574K and leaving 14,505 shares worth $525K. The position accounts for ﹤0.01% of the portfolio, ranked #9808.

Jeff Yass first reported a position in ETON in Q3 2021 and has held it in 14 quarters since. The position peaked at $5.83M in Q1 2025. 164 funds tracked by Wall St. Rank hold ETON as of Q2 2026.

  • Jeff Yass held 14,505 shares of Eton Pharmaceutcials worth $525K as of Q2 2026.
  • Jeff Yass sold 19,579 Eton Pharmaceutcials shares in Q2 2026, an estimated $574K.
  • Eton Pharmaceutcials made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #9808 holding.
  • Jeff Yass first reported a position in Eton Pharmaceutcials in Q3 2021 and has held it in 14 quarters since.
  • Jeff Yass's Eton Pharmaceutcials position peaked at $5.83M in Q1 2025.
  • 164 funds tracked by Wall St. Rank held Eton Pharmaceutcials as of Q2 2026.

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