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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 2023

Institutional positions in Eton Pharmaceuticals, Inc. as of Mar 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
35
+5 vs. Q4 2022
Shares held
5.84M
−88.1K (−1.5%) vs. Q4 2022
Total value
$22.5M
+$4.36M (+24.1%) vs. Q4 2022
New holders
10
7 more added
Sold out
5
7 more reduced

1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 2023: 35 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 2023: $22.5M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc.; share changes are against Q4 2022.

Institutions holding ETON in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Opaleye Management Inc.2,185,000$8.41M2.52%+15,000+0.7%Added
Vanguard Group Inc980,283$3.77M0.00%+55,180+6.0%Added
Westside Investment Management, Inc.517,301$1.99M0.58%−36,900−6.7%Reduced
Acuitas Investments, LLC468,687$1.80M1.86%+468,687New
Paradigm Capital Management Inc300,000$1.16M0.08%00.0%Unchanged
BlackRock Inc.292,665$1.13M0.00%+1,914+0.7%Added
Bridgeway Capital Management, LLC241,462$929.6K0.02%00.0%Unchanged
Geode Capital Management, LLC186,582$718.3K0.00%00.0%Unchanged
AWM Investment Company, Inc.158,676$610.9K0.08%−304,644−65.8%Reduced
Stratos Wealth Partners, LTD.92,310$355.4K0.01%+92,310New
Bank of New York Mellon Corp79,402$305.7K0.00%+530+0.7%Added
State Street Corp71,003$273.4K0.00%00.0%Unchanged
Lido Advisors, LLC44,000$169.4K0.00%+44,000New
Blair William & Co35,000$134.8K0.00%−3,157−8.3%Reduced
Northern Trust Corp33,090$127.4K0.00%+2,735+9.0%Added
Virtu Financial LLC17,380$67.0K0.01%−171−1.0%Reduced
Chicago Trust Co NA16,700$64.3K0.02%00.0%Unchanged
Prudential Financial Inc16,200$62.4K0.00%00.0%Unchanged
Jane Street Group, LLC15,889$61.2K0.00%+694+4.6%Added
Renaissance Technologies LLC13,400$52.0K0.00%+13,400New
Charles Schwab Investment Management Inc13,239$51.0K0.00%00.0%Unchanged
Citadel Advisors LLC11,909$45.9K0.00%+11,909New
Quantum Private Wealth, LLC11,500$44.3K0.02%00.0%Unchanged
Susquehanna International Group, LLP10,964$42.2K0.00%+10,964New
Raymond James & Associates10,000$38.5K0.00%+10,000New
UBS Group AG5,387$20.7K0.00%+1,448+36.8%Added
Tower Research Capital LLC (TRC)3,401$13.0K0.00%−246−6.7%Reduced
Morgan Stanley2,704$10.4K0.00%−5,437−66.8%Reduced
Truvestments Capital LLC1,848$7.12K0.00%+1,848New
Plante Moran Financial Advisors, LLC1,000$3.85K0.00%00.0%Unchanged
NewSquare Capital LLC1,000$3.85K0.00%+1,000New
BNP Paribas Arbitrage, SA350$1.35K0.00%00.0%Unchanged
Royal Bank of Canada370$1.00K0.00%+370New
Wells Fargo & Company145$5580.00%−3,998−96.5%Reduced
Lindbrook Capital, LLC4$150.00%00.0%Unchanged
Roumell Asset Management, LLC0$00.00%−449,438−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−12,835−100.0%Sold out
Kraematon Investment Advisors, Inc0$00.00%−2,300−100.0%Sold out
FMR LLC0$00.00%−900−100.0%Sold out
Bank of America Corp0$00.00%−50−100.0%Sold out
Financial Advisors Network, Inc.––––Not filed