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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 2022

Institutional positions in Eton Pharmaceuticals, Inc. as of Mar 31, 2022. 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
31
−1 vs. Q4 2021
Shares held
5.78M
+52.5K (+0.9%) vs. Q4 2021
Total value
$27.4M
+$3.29M (+13.7%) vs. Q4 2021
New holders
7
7 more added
Sold out
8
10 more reduced

Compare with Q4 2021: 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 2022: 31 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 2022: $27.4M
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 2022

Shares, value and share of portfolio for each institution holding Eton Pharmaceuticals, Inc.; share changes are against Q4 2021.

Institutions holding ETON in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Opaleye Management Inc.2,379,275$10.4M3.22%−5,725−0.2%Reduced
Vanguard Group Inc872,871$3.81M0.00%−5,531−0.6%Reduced
Westside Investment Management, Inc.242,220$3.21M0.04%+123,695+104.4%Added
AWM Investment Company, Inc.472,588$2.06M0.27%−27,412−5.5%Reduced
Roumell Asset Management, LLC449,438$1.96M3.17%00.0%Unchanged
BlackRock Inc.296,539$1.29M0.00%−2,403−0.8%Reduced
Bridgeway Capital Management, LLC225,163$982.0K0.02%+21,900+10.8%Added
Geode Capital Management, LLC186,971$815.0K0.00%+11,118+6.3%Added
Paradigm Capital Management Inc100,000$436.0K0.02%+10,000+11.1%Added
First Citizens Bank & Trust Co100,000$436.0K0.02%+100,000New
State Street Corp91,603$399.0K0.00%+7,831+9.3%Added
Bank of New York Mellon Corp79,455$346.0K0.00%00.0%Unchanged
Blair William & Co38,932$170.0K0.00%−5,068−11.5%Reduced
Northern Trust Corp30,355$132.0K0.00%00.0%Unchanged
Morgan Stanley28,071$122.0K0.00%−2,001−6.7%Reduced
Group One Trading, L.P.26,319$115.0K0.00%−12,481−32.2%Reduced
Gsa Capital Partners LLP24,475$107.0K0.01%−15,342−38.5%Reduced
JPMorgan Chase & Co24,273$106.0K0.00%+24,273New
PDT Partners, LLC23,420$102.0K0.01%+23,420New
Susquehanna Fundamental Investments, LLC21,269$93.0K0.00%−7,292−25.5%Reduced
Goldman Sachs Group Inc17,610$77.0K0.00%+17,610New
Chicago Trust Co NA16,700$73.0K0.02%00.0%Unchanged
Financial Advisors Network, Inc.10,633$46.0K0.01%00.0%Unchanged
Belvedere Trading LLC10,876$43.0K0.03%+10,876New
Wells Fargo & Company7,624$34.0K0.00%+7,500+6,048.4%Added
UBS Group AG4,555$20.0K0.00%+476+11.7%Added
Tower Research Capital LLC (TRC)1,338$6.00K0.00%+1,338New
Plante Moran Financial Advisors, LLC1,000$4.00K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA350$1.53K0.00%−358−50.6%Reduced
Lindbrook Capital, LLC4$00.00%00.0%Unchanged
Royal Bank of Canada23$00.00%+23New
Marshall Wace, LLP0$00.00%−92,092−100.0%Sold out
Citadel Advisors LLC0$00.00%−42,240−100.0%Sold out
Simplex Trading, LLC0$00.00%−22,642−100.0%Sold out
Millennium Management LLC0$00.00%−20,700−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−17,593−100.0%Sold out
Fifth Third Bancorp0$00.00%−15,190−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−13,212−100.0%Sold out
Bank of America Corp0$00.00%−328−100.0%Sold out