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Eton Pharmaceuticals, Inc.

ETON
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001710340

In the last 90 days, Eton Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 5 sales; 164 institutions reported holding it in 13F filings for Q2 2026, worth $722.6M in total; no superinvestor holds it.

13F holders, Q2 2023

Institutional positions in Eton Pharmaceuticals, Inc. as of Jun 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
33
−2 vs. Q1 2023
Shares held
5.98M
+137.6K (+2.4%) vs. Q1 2023
Total value
$20.9M
−$1.62M (−7.2%) vs. Q1 2023
New holders
4
10 more added
Sold out
6
5 more reduced

Compare with Q1 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ETON on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2023: 33 institutions
Q1 2021: 50 institutionsQ2 2021: 46 institutionsQ3 2021: 37 institutionsQ4 2021: 32 institutionsQ1 2022: 31 institutionsQ2 2022: 29 institutionsQ3 2022: 32 institutionsQ4 2022: 31 institutionsQ1 2023: 35 institutionsQ2 2023: 33 institutionsQ3 2023: 50 institutionsQ4 2023: 56 institutionsQ1 2024: 44 institutionsQ2 2024: 45 institutionsQ3 2024: 48 institutionsQ4 2024: 71 institutionsQ1 2025: 86 institutionsQ2 2025: 87 institutionsQ3 2025: 103 institutionsQ4 2025: 104 institutionsQ1 2026: 116 institutionsQ2 2026: 164 institutions
Value heldQ2 2023: $20.9M
Q1 2021: $63.7MQ2 2021: $48.1MQ3 2021: $29.5MQ4 2021: $24.1MQ1 2022: $27.4MQ2 2022: $14.6MQ3 2022: $14.4MQ4 2022: $18.2MQ1 2023: $22.5MQ2 2023: $20.9MQ3 2023: $28.8MQ4 2023: $33.5MQ1 2024: $28.8MQ2 2024: $28.7MQ3 2024: $60.0MQ4 2024: $181.5MQ1 2025: $189.7MQ2 2025: $243.3MQ3 2025: $394.7MQ4 2025: $277.5MQ1 2026: $438.6MQ2 2026: $722.6M
Institutions holding ETON and their total value by quarter
QuarterHoldersValue
Q2 2026164$722.6M
Q1 2026116$438.6M
Q4 2025104$277.5M
Q3 2025103$394.7M
Q2 202587$243.3M
Q1 202586$189.7M
Q4 202471$181.5M
Q3 202448$60.0M
Q2 202445$28.7M
Q1 202444$28.8M
Q4 202356$33.5M
Q3 202350$28.8M
Q2 202333$20.9M
Q1 202335$22.5M
Q4 202231$18.2M
Q3 202232$14.4M
Q2 202229$14.6M
Q1 202231$27.4M
Q4 202132$24.1M
Q3 202137$29.5M
Q2 202146$48.1M
Q1 202150$63.7M

Institutions, Q2 2023

Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc.; share changes are against Q1 2023.

Institutions holding ETON in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Opaleye Management Inc.2,285,000$7.97M1.91%+100,000+4.6%Added
Vanguard Group Inc976,436$3.41M0.00%−3,847−0.4%Reduced
Westside Investment Management, Inc.519,251$1.81M0.51%+1,950+0.4%Added
Acuitas Investments, LLC510,054$1.78M1.04%+41,367+8.8%Added
Paradigm Capital Management Inc300,000$1.05M0.06%00.0%Unchanged
BlackRock Inc.298,225$1.04M0.00%+5,560+1.9%Added
Bridgeway Capital Management, LLC241,462$842.7K0.02%00.0%Unchanged
Geode Capital Management, LLC210,092$733.2K0.00%+23,510+12.6%Added
AWM Investment Company, Inc.158,676$553.8K0.08%00.0%Unchanged
Bank of New York Mellon Corp79,402$277.1K0.00%00.0%Unchanged
State Street Corp71,003$247.8K0.00%00.0%Unchanged
Essex Investment Management Co LLC66,921$233.6K0.03%+66,921New
Stratos Wealth Partners, LTD.58,025$202.5K0.00%−34,285−37.1%Reduced
Blair William & Co36,979$129.1K0.00%+1,979+5.7%Added
Northern Trust Corp32,943$115.0K0.00%−147−0.4%Reduced
Renaissance Technologies LLC27,600$96.0K0.00%+14,200+106.0%Added
Chicago Trust Co NA16,700$58.3K0.01%00.0%Unchanged
Squarepoint Ops LLC14,033$49.0K0.00%+14,033New
Charles Schwab Investment Management Inc13,239$46.2K0.00%00.0%Unchanged
Bailard, Inc.12,700$44.3K0.00%+12,700New
Quantum Private Wealth, LLC11,500$40.1K0.02%00.0%Unchanged
Raymond James & Associates10,000$34.9K0.00%00.0%Unchanged
JPMorgan Chase & Co5,911$20.6K0.00%+5,911New
Citadel Advisors LLC5,822$20.3K0.00%−6,087−51.1%Reduced
Royal Bank of Canada4,881$17.0K0.00%+4,511+1,219.2%Added
Tower Research Capital LLC (TRC)4,374$15.3K0.00%+973+28.6%Added
Truvestments Capital LLC1,848$6.45K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC1,000$3.49K0.00%00.0%Unchanged
NewSquare Capital LLC1,000$3.49K0.00%00.0%Unchanged
Morgan Stanley844$2.95K0.00%−1,860−68.8%Reduced
BNP Paribas Arbitrage, SA350$1.22K0.00%00.0%Unchanged
Wells Fargo & Company152$5300.00%+7+4.8%Added
Lindbrook Capital, LLC4$140.00%00.0%Unchanged
Lido Advisors, LLC0$00.00%−44,000−100.0%Sold out
Virtu Financial LLC0$00.00%−17,380−100.0%Sold out
Prudential Financial Inc0$00.00%−16,200−100.0%Sold out
Jane Street Group, LLC0$00.00%−15,889−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−10,964−100.0%Sold out
UBS Group AG0$00.00%−5,387−100.0%Sold out