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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 2024

Institutional positions in Eton Pharmaceuticals, Inc. as of Jun 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
45
+1 vs. Q1 2024
Shares held
8.72M
+1.05M (+13.6%) vs. Q1 2024
Total value
$28.7M
−$91.4K (−0.3%) vs. Q1 2024
New holders
7
6 more added
Sold out
6
16 more reduced

Compare with Q1 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 holdersQ2 2024: 45 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 2024: $28.7M
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, Q2 2024

Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc.; share changes are against Q1 2024.

Institutions holding ETON in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Opaleye Management Inc.2,395,000$7.88M1.80%−50,781−2.1%Reduced
Vanguard Group Inc1,027,688$3.38M0.00%00.0%Unchanged
Nantahala Capital Management, LLC940,733$3.10M0.31%+940,733New
Westside Investment Management, Inc.585,400$1.93M0.44%+11,440+2.0%Added
Acuitas Investments, LLC579,960$1.91M1.02%00.0%Unchanged
National Philanthropic Trust492,112$1.62M0.03%00.0%Unchanged
Paradigm Capital Management Inc300,000$987.0K0.04%00.0%Unchanged
BlackRock Inc.282,389$929.1K0.00%−563−0.2%Reduced
Bridgeway Capital Management, LLC253,362$833.6K0.02%00.0%Unchanged
Parkman Healthcare Partners LLC253,197$833.0K0.11%+54,029+27.1%Added
Geode Capital Management, LLC240,331$790.9K0.00%+6,164+2.6%Added
Aristides Capital LLC200,000$658.0K0.27%+200,000New
Susquehanna International Group, LLP134,288$441.8K0.00%−64,931−32.6%Reduced
Thompson Siegel & Walmsley LLC127,724$420.0K0.01%+127,724New
Acadian Asset Management LLC120,574$395.0K0.00%−35,812−22.9%Reduced
Stonepine Capital Management, LLC110,000$361.9K0.33%+110,000New
Renaissance Technologies LLC106,500$350.4K0.00%+41,469+63.8%Added
State Street Corp81,403$267.8K0.00%00.0%Unchanged
Bank of New York Mellon Corp74,491$245.1K0.00%00.0%Unchanged
Northern Trust Corp59,849$196.9K0.00%−1,281−2.1%Reduced
Goldman Sachs Group Inc57,503$189.2K0.00%−61,352−51.6%Reduced
Schonfeld Strategic Advisors LLC50,917$167.5K0.00%−45,952−47.4%Reduced
Squarepoint Ops LLC41,255$135.7K0.00%−7,838−16.0%Reduced
Connor, Clark & Lunn Investment Management Ltd.34,847$114.6K0.00%−4,450−11.3%Reduced
Blair William & Co34,500$113.5K0.00%−2,479−6.7%Reduced
Essex Investment Management Co LLC27,252$89.7K0.02%−51,361−65.3%Reduced
Chicago Trust Co NA16,700$54.9K0.01%00.0%Unchanged
Two Sigma Investments, LP16,485$54.2K0.00%−15,305−48.1%Reduced
Charles Schwab Investment Management Inc13,239$43.6K0.00%00.0%Unchanged
XTX Topco Ltd11,739$38.6K0.00%−2,364−16.8%Reduced
Quantum Private Wealth, LLC11,500$37.8K0.01%00.0%Unchanged
UBS Group AG11,018$36.2K0.00%+9,058+462.1%Added
Dimensional Fund Advisors LP10,564$34.8K0.00%00.0%Unchanged
Raymond James & Associates10,250$33.7K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)3,638$12.0K0.00%−3,955−52.1%Reduced
ADAR1 Capital Management, LLC1,200$3.95K0.00%+1,200New
Plante Moran Financial Advisors, LLC1,000$3.29K0.00%00.0%Unchanged
Royal Bank of Canada747$2.00K0.00%−18−2.4%Reduced
BNP Paribas Arbitrage, SA350$1.15K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.300$9870.00%+300New
Morgan Stanley192$6320.00%+154+405.3%Added
Bank of America Corp183$6020.00%+183New
Citadel Advisors LLC32$1050.00%00.0%Unchanged
Qube Research & Technologies Ltd4$140.00%−44,610−100.0%Reduced
Lindbrook Capital, LLC4$130.00%00.0%Unchanged
Jane Street Group, LLC0$00.00%−23,078−100.0%Sold out
JPMorgan Chase & Co0$00.00%−19,155−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−17,700−100.0%Sold out
Truvestments Capital LLC0$00.00%−1,848−100.0%Sold out
Wells Fargo & Company0$00.00%−1,425−100.0%Sold out
Lazard Asset Management LLC0$00.00%−576−100.0%Sold out