Security key
29772L108
Eton Pharmaceuticals, Inc. - Common Stock (ETON)
CUSIP: 29772L108
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 5,731,001
- Total 13F value
- $24,586,557
- Share change
- -231,229
- Put/Call ratio
- 58%
- SEC-reported price per share
- $4.29
- Number of holders
- 30
- Value change
- -$1,088,577
- Number of buys
- 12
- Number of sells
- 20
- Shares outstanding
- 26,828,643
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2021
Institutions
30
Top holders
10
ETON full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2022
Previous quarter: Q3 2021
Eton Pharmaceuticals, Inc. SEC filings
Eton Pharmaceuticals, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 29772L108
Recent filing periods:
Ownership snapshot
Top reported holders of ETON - Eton Pharmaceuticals, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Opaleye Management Inc.
Disclosed value leader
Opaleye Management Inc.
Comparable rows
15/15
Latest evidence
30 Sep 2021
13F
Lead comparable stake: 12%
Showing 1-6 of 15 holder rows.
Quick read
Opaleye Management Inc. leads the comparable SEC ownership view at 12%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Opaleye Management Inc.'s linked filing trail.
Comparable ownership
Top 5
Opaleye Management Inc.
12%
VANGUARD GROUP INC
3.2%
AWM Investment Company, Inc.
1.9%
BlackRock Finance, Inc.
1.1%
GEODE CAPITAL MANAGEMENT, LLC
0.59%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Opaleye Management Inc. |
13F
Company
|
12%
|
$15,564,000
3,088,100 shares
|
— | 30 Sep 2021 |
| VANGUARD GROUP INC |
13F
Company
|
3.2%
|
$4,367,000
866,465 shares
|
— | 30 Sep 2021 |
| AWM Investment Company, Inc. |
13F
Company
|
1.9%
|
$2,520,000
500,000 shares
|
— | 30 Sep 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
1.1%
|
$1,517,000
300,897 shares
|
— | 30 Sep 2021 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.59%
|
$791,000
157,116 shares
|
— | 30 Sep 2021 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
Company
|
0.44%
|
$592,000
117,493 shares
|
— | 30 Sep 2021 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
30
Shares
5,731,001
Rows available
30
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2021 vs Q3 2021 Across Filers
Q3 2021 holders
35
Q4 2021 holders
30
Holder diff
-5
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend