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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, Q4 2023

Institutional positions in Eton Pharmaceuticals, Inc. as of Dec 31, 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
56
+6 vs. Q3 2023
Shares held
7.65M
+750.7K (+10.9%) vs. Q3 2023
Total value
$33.5M
+$4.75M (+16.5%) vs. Q3 2023
New holders
14
19 more added
Sold out
8
9 more reduced

Compare with Q3 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 holdersQ4 2023: 56 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 heldQ4 2023: $33.5M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc.; share changes are against Q3 2023.

Institutions holding ETON in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Opaleye Management Inc.2,529,887$11.1M2.98%+99,617+4.1%Added
Vanguard Group Inc1,027,688$4.50M0.00%+51,252+5.2%Added
Westside Investment Management, Inc.563,110$2.47M0.63%+34,800+6.6%Added
National Philanthropic Trust492,112$2.16M0.06%+492,112New
Acuitas Investments, LLC492,054$2.16M1.13%+273,054+124.7%Added
Paradigm Capital Management Inc300,000$1.31M0.07%00.0%Unchanged
BlackRock Inc.284,241$1.24M0.00%−935−0.3%Reduced
Bridgeway Capital Management, LLC253,362$1.11M0.02%−18,100−6.7%Reduced
Geode Capital Management, LLC227,256$995.6K0.00%+9,627+4.4%Added
Parkman Healthcare Partners LLC199,168$872.4K0.12%+34,168+20.7%Added
Ameriprise Financial Inc161,928$709.2K0.00%−24,634−13.2%Reduced
Acadian Asset Management LLC137,488$601.0K0.00%+40,224+41.4%Added
State Street Corp81,403$356.5K0.00%00.0%Unchanged
Bank of New York Mellon Corp79,402$347.8K0.00%00.0%Unchanged
Essex Investment Management Co LLC78,613$344.3K0.07%−31,403−28.5%Reduced
Northern Trust Corp64,590$282.9K0.00%+27,083+72.2%Added
Squarepoint Ops LLC63,424$277.8K0.00%+18,782+42.1%Added
Schonfeld Strategic Advisors LLC58,310$255.4K0.00%+14,710+33.7%Added
Two Sigma Investments, LP52,500$229.9K0.00%−27,052−34.0%Reduced
Qube Research & Technologies Ltd50,443$220.9K0.00%+45,686+960.4%Added
Connor, Clark & Lunn Investment Management Ltd.43,078$188.7K0.00%+4,773+12.5%Added
Renaissance Technologies LLC42,700$187.0K0.00%−500−1.2%Reduced
Blair William & Co36,979$162.0K0.00%00.0%Unchanged
Bank of Montreal29,900$141.7K0.00%+29,900New
Victory Capital Management Inc27,979$122.5K0.00%+27,979New
Stratos Wealth Partners, LTD.26,878$117.7K0.00%00.0%Unchanged
XTX Topco Ltd22,858$100.1K0.02%+10,944+91.9%Added
Bailard, Inc.22,639$99.2K0.00%+22,639New
Millennium Management LLC20,393$89.3K0.00%−59,927−74.6%Reduced
Susquehanna International Group, LLP19,500$85.4K0.00%+19,500New
Jane Street Group, LLC18,428$80.7K0.00%−46,782−71.7%Reduced
Chicago Trust Co NA16,700$73.1K0.02%00.0%Unchanged
Charles Schwab Investment Management Inc13,239$58.0K0.00%00.0%Unchanged
Virtu Financial LLC12,958$57.0K0.00%+12,958New
Heron Bay Capital Management11,515$50.4K0.01%+485+4.4%Added
Quantum Private Wealth, LLC11,500$50.4K0.02%00.0%Unchanged
Two Sigma Advisers, LP10,900$47.7K0.00%+10,900New
Y-Intercept (Hong Kong) Ltd10,688$46.8K0.00%+10,688New
Financial Advisors Network, Inc.10,633$46.6K0.01%00.0%Unchanged
Dimensional Fund Advisors LP10,564$46.3K0.00%+10,564New
Raymond James & Associates10,100$44.2K0.00%+100+1.0%Added
Citadel Advisors LLC4,956$21.7K0.00%+4,956New
Tower Research Capital LLC (TRC)4,062$17.8K0.00%+2,890+246.6%Added
UBS Group AG3,752$16.4K0.00%+2,830+306.9%Added
Royal Bank of Canada2,631$12.0K0.00%+2,631New
Citigroup Inc2,230$9.77K0.00%+2,230New
Truvestments Capital LLC1,848$8.09K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC1,000$4.38K0.00%00.0%Unchanged
NewSquare Capital LLC1,000$4.38K0.00%00.0%Unchanged
Lazard Asset Management LLC1,092$4.00K0.00%+1,092New
BNP Paribas Arbitrage, SA350$1.53K0.00%00.0%Unchanged
GWM Advisors LLC252$1.10K0.00%+77+44.0%Added
Wells Fargo & Company172$7530.00%+9+5.5%Added
Morgan Stanley38$1660.00%−58−60.4%Reduced
Bank of America Corp28$1220.00%+28New
Lindbrook Capital, LLC4$180.00%00.0%Unchanged
EAM Investors, LLC0$00.00%−256,623−100.0%Sold out
Hillsdale Investment Management Inc.0$00.00%−28,800−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−25,650−100.0%Sold out
Jump Financial, LLC0$00.00%−21,100−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−14,672−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−11,523−100.0%Sold out
US Bancorp0$00.00%−805−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−1−100.0%Sold out