Skip to main content

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, Q3 2024

Institutional positions in Eton Pharmaceuticals, Inc. as of Sep 30, 2024. 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
48
+4 vs. Q2 2024
Shares held
10.0M
+1.56M (+18.5%) vs. Q2 2024
Total value
$60.0M
+$32.2M (+116.1%) vs. Q2 2024
New holders
13
11 more added
Sold out
9
7 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 holdersQ3 2024: 48 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 heldQ3 2024: $60.0M
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, Q3 2024

Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc.; share changes are against Q2 2024.

Institutions holding ETON in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Opaleye Management Inc.2,780,000$16.7M2.78%+385,000+16.1%Added
Vanguard Group Inc1,027,688$6.17M0.00%00.0%Unchanged
Nantahala Capital Management, LLC998,733$5.99M0.50%+58,000+6.2%Added
Westside Investment Management, Inc.618,675$3.71M0.79%+33,275+5.7%Added
Acuitas Investments, LLC579,960$3.48M1.55%00.0%Unchanged
EcoR1 Capital, LLC566,075$3.40M0.12%+566,075New
National Philanthropic Trust492,112$2.95M0.05%00.0%Unchanged
Paradigm Capital Management Inc300,000$1.80M0.08%00.0%Unchanged
BlackRock, Inc.284,855$1.71M0.00%+284,855New
Geode Capital Management, LLC272,696$1.64M0.00%+32,365+13.5%Added
Parkman Healthcare Partners LLC260,226$1.56M0.20%+7,029+2.8%Added
Bridgeway Capital Management, LLC253,362$1.52M0.03%00.0%Unchanged
Wasatch Advisors Inc238,565$1.43M0.01%+238,565New
Aristides Capital LLC200,000$1.20M0.50%00.0%Unchanged
EAM Investors, LLC128,276$769.7K0.12%+128,276New
Susquehanna International Group, LLP119,347$716.1K0.00%−14,941−11.1%Reduced
Thompson Siegel & Walmsley LLC115,030$690.0K0.01%−12,694−9.9%Reduced
Acadian Asset Management LLC105,954$634.0K0.00%−14,620−12.1%Reduced
Renaissance Technologies LLC83,400$500.4K0.00%−23,100−21.7%Reduced
State Street Corp81,403$488.4K0.00%00.0%Unchanged
Bank of New York Mellon Corp74,491$446.9K0.00%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.65,014$390.1K0.00%+30,167+86.6%Added
Northern Trust Corp64,130$384.8K0.00%+4,281+7.2%Added
Blair William & Co34,500$207.0K0.00%00.0%Unchanged
Qube Research & Technologies Ltd32,342$194.1K0.00%+32,338+808,450.0%Added
Essex Investment Management Co LLC27,252$163.5K0.03%00.0%Unchanged
Citigroup Inc26,495$159.0K0.00%+26,495New
Marshall Wace, LLP20,637$123.8K0.00%+20,637New
UBS Group AG19,017$114.1K0.00%+7,999+72.6%Added
Schonfeld Strategic Advisors LLC17,200$103.2K0.00%−33,717−66.2%Reduced
Chicago Trust Co NA16,700$100.2K0.02%00.0%Unchanged
Jane Street Group, LLC15,006$90.0K0.00%+15,006New
Charles Schwab Investment Management Inc13,239$79.4K0.00%00.0%Unchanged
Occudo Quantitative Strategies LP12,170$73.0K0.01%+12,170New
Quantum Private Wealth, LLC11,500$69.0K0.02%00.0%Unchanged
XTX Topco Ltd11,304$67.8K0.00%−435−3.7%Reduced
Raymond James & Associates10,250$61.5K0.00%00.0%Unchanged
Point72 Asia (Singapore) Pte. Ltd.8,927$53.6K0.01%+8,927New
Cubist Systematic Strategies, LLC8,269$49.6K0.00%+8,269New
Truvestments Capital LLC1,183$7.10K0.00%+1,183New
Plante Moran Financial Advisors, LLC1,000$6.00K0.00%00.0%Unchanged
JPMorgan Chase & Co723$4.34K0.00%+723New
Group One Trading, L.P.722$4.33K0.00%+722New
Morgan Stanley472$2.83K0.00%+280+145.8%Added
BNP Paribas Arbitrage, SA350$2.10K0.00%00.0%Unchanged
Royal Bank of Canada275$2.00K0.00%−472−63.2%Reduced
Advisor Group Holdings, Inc.300$1.80K0.00%00.0%Unchanged
Bank of America Corp201$1.21K0.00%+18+9.8%Added
Stonepine Capital Management, LLC0$00.00%−110,000−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−57,503−100.0%Sold out
Squarepoint Ops LLC0$00.00%−41,255−100.0%Sold out
Two Sigma Investments, LP0$00.00%−16,485−100.0%Sold out
Dimensional Fund Advisors LP0$00.00%−10,564−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−3,638−100.0%Sold out
ADAR1 Capital Management, LLC0$00.00%−1,200−100.0%Sold out
Citadel Advisors LLC0$00.00%−32−100.0%Sold out
Lindbrook Capital, LLC0$00.00%−4−100.0%Sold out
BlackRock Inc.––––Not filed