Oberweis Asset Management’s Eton Pharmaceutcials ETON Stock Holding History

Oberweis Asset Management’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	$18.2M	Buy	501,600 +62,300	+14%	+$1.83M	0.38%	98
2026 Q1	$10.8M	Buy	439,300 +8,000	+2%	+$140K	0.32%	115
2025 Q4	$7.29M	Buy	431,300 +238,940	+124%	+$4.2M	0.27%	132
2025 Q3	$4.18M	Buy	+192,360	New	+$3.19M	0.16%	153

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 $3.38T AUM 44.17% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

NPT

National Philanthropic Trust Jenkintown, Pennsylvania $6.92B AUM 24.7% 1-Year Est. Return

WIM

Westside Investment Management Santa Monica, California $761M AUM 39.85% 1-Year Est. Return

Oberweis Asset Management's ETON Position: Q2 2026 in Review

Oberweis Asset Management increased its Eton Pharmaceutcials (ETON) stake by 14% in Q2 2026, buying an estimated $1.83M and bringing the position to 501,600 shares worth $18.2M. The position accounts for 0.38% of the portfolio, ranked #98.

Oberweis Asset Management first reported a position in ETON in Q3 2025 and has held it in 4 quarters since. 164 funds tracked by Wall St. Rank hold ETON as of Q2 2026.

Oberweis Asset Management held 501,600 shares of Eton Pharmaceutcials worth $18.2M as of Q2 2026.
Oberweis Asset Management bought 62,300 Eton Pharmaceutcials shares in Q2 2026, an estimated $1.83M.
Eton Pharmaceutcials made up 0.38% of Oberweis Asset Management's portfolio in Q2 2026, its #98 holding.
Oberweis Asset Management first reported a position in Eton Pharmaceutcials in Q3 2025 and has held it in 4 quarters since.
164 funds tracked by Wall St. Rank held Eton Pharmaceutcials as of Q2 2026.

Based on Oberweis Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.