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	$525K	Sell	14,505 -19,579	-57%	-$574K	﹤0.01%	9808
2026 Q1	$841K	Buy	+34,084	New	+$596K	﹤0.01%	8345
2025 Q4	–	Sell	-30,056	Closed	-$529K	–	12672
2025 Q3	$653K	Sell	30,056 -542	-2%	-$8.99K	﹤0.01%	8368
2025 Q2	$436K	Sell	30,598 -418,206	-93%	-$6.61M	﹤0.01%	9488
2025 Q1	$5.83M	Buy	448,804 +256,478	+133%	+$3.88M	﹤0.01%	3360
2024 Q4	$2.56M	Buy	192,326 +72,979	+61%	+$740K	﹤0.01%	4771
2024 Q3	$716K	Sell	119,347 -14,941	-11%	-$63.1K	﹤0.01%	7595
2024 Q2	$442K	Sell	134,288 -64,931	-33%	-$227K	﹤0.01%	8566
2024 Q1	$747K	Buy	199,219 +179,719	+922%	+$785K	﹤0.01%	7564
2023 Q4	$85.4K	Buy	+19,500	New	+$78.2K	﹤0.01%	11434
2023 Q2	–	Sell	-10,964	Closed	-$42.2K	–	12341
2023 Q1	$42.2K	Buy	+10,964	New	+$40K	﹤0.01%	11760
2022 Q4	–	Sell	-92,380	Closed	-$248K	–	12739
2022 Q3	$194K	Buy	+92,380	New	+$230K	﹤0.01%	10886
2022 Q1	–	Sell	-17,593	Closed	-$69.2K	–	13230
2021 Q4	$75K	Sell	17,593 -99,900	-85%	-$478K	﹤0.01%	12324
2021 Q3	$592K	Buy	+117,493	New	+$611K	﹤0.01%	8928

Other funds holding ETON

Opaleye Management Boston, Massachusetts $1.1B AUM 197.64% 1-Year Est. Return

EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return

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 Malvern, Pennsylvania $4.68T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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.