Eton Pharmaceutical
ETON
54.88
+0.11
+0.20%
Eton Pharmaceutical
US · ETON
#2944 by market cap
Listed 2018
54.88
+0.11
+0.20%
Live - 5344 symbols - heartbeat 89s ago
· 2026-10-08 08:16
Pre-market
54.60
-0.51%
After-hours
55.10
+0.40%
- Market cap
- 1.57B
- P/E (TTM)i
- 140.72
- P/Bi
- 33.67
- EPSi
- -0.17
- Div yieldi
- 0.00%
- 52W posi
- 78%
Reader sentiment
Are you bullish or bearish on ETON?
Anonymous reader poll. Unscientific, not investment advice.
✦ Quant Ownership Signal how this is computed
Distributing
- The number of reporting institutions increased by 5 in the most recent period (2026/Q3).
- Total institutional ownership fell 2.9 percentage points.
Institutional ownership
- Held by institutions
- 68.96% -2.90pp
- Institutions
- 191 +5
- As of
- 2026/Q3 vs. prior period
Ownership vs. money flow
AlignedInstitutions trimmed shares last reporting period, and the stock has seen net outflows in main-fund flow over the last 20 trading sessions - the two line up.
Institutional ownership changes are reported quarterly with a lag; fund-flow data is daily. Treat this as a directional cross-check, not a precise timing signal.
Holder types
Hedge Fund30.53%
Mutual Fund29.61%
Public Company4.92%
Individual/Insider4.90%
Private Company1.95%
Insurance Company0.91%
Sovereign Wealth Fund0.60%
Government Pension Fund0.35%
Other26.14%
Top holders as of 2026-07-14
Opaleye Management Inc.
9.46% · 2.71M sh
EcoR1 Capital, LLC
7.60% · 2.17M sh
BlackRock
6.63% · 1.90M sh
Nantahala Capital Management, LLC
4.11% · 1.18M sh
Vanguard Capital Management, LLC
4.01% · 1.15M sh
Sean Brynjelsen
3.36% · 961.19K sh
Morgan Stanley
2.63% · 751.03K sh
State Street Global Advisors
2.46% · 701.79K sh
Geode Capital Management, LLC
2.28% · 652.30K sh
Oberweis Asset Management, Inc.
1.75% · 501.60K sh
Bar length is relative to the largest holder shown here, not to 100% of the company.
Insiders
50 filings tracked · 28 buys · 17 sells
| Name | Role | Stake |
|---|---|---|
| Sean Brynjelsen | Chief Executive Officer | 3.36% |
| Norbert Riedel | Independent Chairperson | 0.78% |
| Paul Maier | Independent Director | 0.25% |
| Charles Casamento | Independent Director | 0.24% |
| David Krempa | Chief Business Officer | 0.13% |
| Danka Radosavljevic | Senior Vice President of Quality & Operations | 0.08% |
| James Gruber | Chief Financial Officer | 0.06% |
| Ipek Erdogan-Trinkaus | Chief Commercial Officer | 0.00% |
| Opaleye Management Inc. | -- | -- |
| Jennifer Adams | Independent Director | -- |
Insider transactions most recent Form 4 filings
| Date | Name | Role | Type | Shares | Price |
|---|---|---|---|---|---|
| 2026-08-27 | Paul Maier | Independent Director | Derivative Exercise and Sale | -50,000 | $3.78–61.77 |
| 2026-08-27 | Paul Maier | Independent Director | Other Derivative Acquisition | +12,500 | $7.31 |
| 2026-08-27 | Paul Maier | Independent Director | Derivative Exercise and Retained | +12,500 | $7.31 |
| 2026-08-23 | David Krempa | Chief Business Officer | Derivative Exercise and Sale | -25,000 | $7.31–65.07 |
| 2026-08-19 | Sean Brynjelsen | Chief Executive Officer | Open Market Disposition | -100,000 | $60.17–62.65 |
| 2026-08-18 | Sean Brynjelsen | Chief Executive Officer | Intent to Sell (Form 144) | -100,000 | $63.43 |
| 2026-07-30 | Paul Maier | Independent Director | Other Derivative Acquisition | +10,000 | -- |
| 2026-07-30 | Charles Casamento | Independent Director | Other Derivative Acquisition | +10,000 | -- |
| 2026-07-30 | Norbert Riedel | Independent Chairperson | Other Derivative Acquisition | +10,000 | -- |
| 2026-07-30 | David Krempa | Chief Business Officer | Other Derivative Acquisition | +128,985 | -- |
| 2026-07-30 | Jennifer Adams | Independent Director | Other Derivative Acquisition | +10,000 | -- |
| 2026-07-30 | Judith Matthews | Executive Vice President of Accounting & Finance | Other Derivative Acquisition | +32,246 | -- |
| 2026-07-30 | Danka Radosavljevic | Senior Vice President of Quality & Operations | Initial Statement of Beneficial | 0 | -- |
| 2026-07-30 | Ipek Erdogan-Trinkaus | Chief Commercial Officer | Other Derivative Acquisition | +80,000 | -- |
| 2026-07-13 | Opaleye Management Inc. | -- | Open Market Disposition | -28,315 | $37.54 |
| 2026-07-13 | Sean Brynjelsen | Chief Executive Officer | Derivative Exercise and Retained | +227,500 | $1.37 |
| 2026-07-13 | Sean Brynjelsen | Chief Executive Officer | Other Derivative Acquisition | +200,000 | $1.37 |
| 2026-07-11 | David Krempa | Chief Business Officer | Derivative Exercise and Retained | +10,000 | -- |
| 2026-07-06 | Opaleye Management Inc. | -- | Open Market Disposition | -126,685 | $37.39–38.37 |
| 2026-06-25 | David Krempa | Chief Business Officer | Other Derivative Acquisition | +10,000 | -- |
Form 4 filings, most recent per company. "Other Derivative Acquisition" rows are mostly RSU/option vesting, not open-market buying - the Type column says which.
Quote time 2026-10-08 08:16:07 · For reference only, not investment advice and not tailored to your situation.