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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, Q1 2021

Institutional positions in Eton Pharmaceuticals, Inc. as of Mar 31, 2021. 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
50
No complete 13F data for Q4 2020
Shares held
8.79M
No complete 13F data for Q4 2020
Total value
$63.7M
No complete 13F data for Q4 2020

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 holdersQ1 2021: 50 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 heldQ1 2021: $63.7M
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, Q1 2021

Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding ETON in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Quadrant Capital Group LLC52$00.00%––
Berman Capital Advisors, LLC229$1.00K0.00%––
Captrust Financial Advisors243$2.00K0.00%––
The PNC Financial Services Group, Inc.399$3.00K0.00%––
Bank of Montreal591$4.00K0.00%––
Plante Moran Financial Advisors, LLC1,000$7.00K0.00%––
Simplex Trading, LLC1,100$8.00K0.00%––
Ameritas Investment Partners, Inc.1,302$10.0K0.00%––
Legal & General Group Plc1,838$13.0K0.00%––
Citigroup Inc1,742$13.0K0.00%––
Mesirow Financial Investment Management, Inc.1,829$13.0K0.04%––
BNP Paribas Arbitrage, SA2,159$15.8K0.00%––
Morgan Stanley2,234$17.0K0.00%––
Tower Research Capital LLC (TRC)2,764$20.0K0.00%––
UBS Group AG4,492$33.0K0.00%––
JPMorgan Chase & Co6,404$47.0K0.00%––
New York State Common Retirement Fund9,000$66.0K0.00%––
American International Group, Inc.9,953$73.0K0.00%––
Rhumbline Advisers10,340$76.0K0.00%––
ExodusPoint Capital Management, LP11,100$81.0K0.00%––
MML Investors Services, LLC11,500$84.0K0.00%––
Deutsche Bank AG11,872$87.0K0.00%––
Barclays PLC14,278$104.0K0.00%––
Wells Fargo & Company16,351$120.0K0.00%––
California State Teachers Retirement System25,829$189.0K0.00%––
Prelude Capital Management, LLC30,905$226.0K0.02%––
Bank of America Corp32,131$235.0K0.00%––
Russell Investments Group, Ltd.36,079$264.0K0.00%––
Two Sigma Advisers, LP36,900$270.0K0.00%––
Nuveen Asset Management, LLC37,204$272.0K0.00%––
Gsa Capital Partners LLP40,064$293.0K0.05%––
Charles Schwab Investment Management Inc41,409$304.0K0.00%––
Bank of New York Mellon Corp45,387$332.0K0.00%––
Diametric Capital, LP49,536$363.0K0.28%––
Royal Bank of Canada60,421$443.0K0.00%––
SEI Investments Co73,800$540.0K0.00%––
Hood River Capital Management LLC73,800$540.0K0.02%––
Bridgeway Capital Management, LLC75,000$549.0K0.01%––
Parametric Portfolio Associates LLC83,867$614.0K0.00%––
Creative Planning85,300$624.0K0.00%––
Two Sigma Investments, LP139,989$1.02M0.00%––
Sio Capital Management, LLC162,659$1.19M0.25%––
Northern Trust Corp177,958$1.30M0.00%––
Geode Capital Management, LLC265,545$1.94M0.00%––
State Street Corp266,295$1.95M0.00%––
Vanguard Group Inc710,859$5.20M0.00%––
AWM Investment Company, Inc.898,878$6.58M0.74%––
BlackRock Inc.1,086,266$7.95M0.00%––
Opaleye Management Inc.4,040,000$29.6M4.34%––
Westside Investment Management, Inc.86,525––––