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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 2024

Institutional positions in Eton Pharmaceuticals, Inc. as of Mar 31, 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
44
−11 vs. Q4 2023
Shares held
7.67M
+34.9K (+0.5%) vs. Q4 2023
Total value
$28.8M
−$4.69M (−14.0%) vs. Q4 2023
New holders
2
12 more added
Sold out
13
13 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 44 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 2024: $28.8M
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 2024

Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc.; share changes are against Q4 2023.

Institutions holding ETON in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Opaleye Management Inc.2,445,781$9.17M2.00%−84,106−3.3%Reduced
Vanguard Group Inc1,027,688$3.85M0.00%00.0%Unchanged
Acuitas Investments, LLC579,960$2.17M1.10%+87,906+17.9%Added
Westside Investment Management, Inc.573,960$2.15M0.52%+10,850+1.9%Added
National Philanthropic Trust492,112$1.85M0.04%00.0%Unchanged
Paradigm Capital Management Inc300,000$1.13M0.05%00.0%Unchanged
BlackRock Inc.282,952$1.06M0.00%−1,289−0.5%Reduced
Bridgeway Capital Management, LLC253,362$950.1K0.02%00.0%Unchanged
Geode Capital Management, LLC234,167$878.3K0.00%+6,911+3.0%Added
Susquehanna International Group, LLP199,219$747.1K0.00%+179,719+921.6%Added
Parkman Healthcare Partners LLC199,168$746.9K0.09%00.0%Unchanged
Acadian Asset Management LLC156,386$585.0K0.00%+18,898+13.7%Added
Goldman Sachs Group Inc118,855$445.7K0.00%+118,855New
Schonfeld Strategic Advisors LLC96,869$363.3K0.00%+38,559+66.1%Added
State Street Corp81,403$305.3K0.00%00.0%Unchanged
Essex Investment Management Co LLC78,613$294.8K0.06%00.0%Unchanged
Bank of New York Mellon Corp74,491$279.3K0.00%−4,911−6.2%Reduced
Renaissance Technologies LLC65,031$244.0K0.00%+22,331+52.3%Added
Northern Trust Corp61,130$229.2K0.00%−3,460−5.4%Reduced
Squarepoint Ops LLC49,093$184.1K0.00%−14,331−22.6%Reduced
Qube Research & Technologies Ltd44,614$167.3K0.00%−5,829−11.6%Reduced
Connor, Clark & Lunn Investment Management Ltd.39,297$147.4K0.00%−3,781−8.8%Reduced
Blair William & Co36,979$138.7K0.00%00.0%Unchanged
Two Sigma Investments, LP31,790$119.2K0.00%−20,710−39.4%Reduced
Jane Street Group, LLC23,078$86.5K0.00%+4,650+25.2%Added
JPMorgan Chase & Co19,155$71.8K0.00%+19,155New
Two Sigma Advisers, LP17,700$66.4K0.00%+6,800+62.4%Added
Chicago Trust Co NA16,700$62.6K0.01%00.0%Unchanged
XTX Topco Ltd14,103$52.9K0.01%−8,755−38.3%Reduced
Charles Schwab Investment Management Inc13,239$49.6K0.00%00.0%Unchanged
Quantum Private Wealth, LLC11,500$43.1K0.02%00.0%Unchanged
Dimensional Fund Advisors LP10,564$39.6K0.00%00.0%Unchanged
Raymond James & Associates10,250$38.4K0.00%+150+1.5%Added
Tower Research Capital LLC (TRC)7,593$28.5K0.00%+3,531+86.9%Added
UBS Group AG1,960$7.35K0.00%−1,792−47.8%Reduced
Truvestments Capital LLC1,848$6.93K0.00%00.0%Unchanged
Wells Fargo & Company1,425$5.34K0.00%+1,253+728.5%Added
Plante Moran Financial Advisors, LLC1,000$3.75K0.00%00.0%Unchanged
Royal Bank of Canada765$3.00K0.00%−1,866−70.9%Reduced
Lazard Asset Management LLC576$2.00K0.00%−516−47.3%Reduced
BNP Paribas Arbitrage, SA350$1.31K0.00%00.0%Unchanged
Morgan Stanley38$1430.00%00.0%Unchanged
Citadel Advisors LLC32$1200.00%−4,924−99.4%Reduced
Lindbrook Capital, LLC4$150.00%00.0%Unchanged
Ameriprise Financial Inc0$00.00%−161,928−100.0%Sold out
Bank of Montreal0$00.00%−29,900−100.0%Sold out
Victory Capital Management Inc0$00.00%−27,979−100.0%Sold out
Stratos Wealth Partners, LTD.0$00.00%−26,878−100.0%Sold out
Bailard, Inc.0$00.00%−22,639−100.0%Sold out
Millennium Management LLC0$00.00%−20,393−100.0%Sold out
Virtu Financial LLC0$00.00%−12,958−100.0%Sold out
Heron Bay Capital Management0$00.00%−11,515−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−10,688−100.0%Sold out
Citigroup Inc0$00.00%−2,230−100.0%Sold out
NewSquare Capital LLC0$00.00%−1,000−100.0%Sold out
GWM Advisors LLC0$00.00%−252−100.0%Sold out
Bank of America Corp0$00.00%−28−100.0%Sold out
Financial Advisors Network, Inc.––––Not filed