Position in ETON
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$78,624,155
+$25,020,726 QoQ
Shares Held
2,171,938
0.0% QoQ
Ownership
7.60%
of shares outstanding
% of Portfolio
3.90%
of 13F equity value
Holder Rank
#2
of 164 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ETON Over Time
Shares Held
Position Value (USD)
Derivatives in ETON
reported options exposure · as of Mar 31, 2025CallValue
$655,490
CallShares
50,500
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Drug Manufacturers - Specialty & Generic
Healthcare · as of Jun 30, 2026EcoR1 Capital, LLC holds $78,624,155 across 1 Drug Manufacturers - Specialty & Generic name. ETON ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ETON |
Eton Pharmaceuticals, Inc.
This page
|
2,171,938 | $78,624,155 |
All Filings in ETON
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12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $78,624,155 | 2,171,938 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $53,603,429 | 2,171,938 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $34,336,499 | 2,030,544 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $44,123,721 | 2,030,544 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $28,935,252 | 2,030,544 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $655,490 | 50,500 | Call | Sole | 2025-05-15 | |
| 2025-03-31 | $25,171,958 | 1,939,288 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $26,386,959 | 1,981,003 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $24,370,311 | 1,829,603 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $2,016,648 | 151,400 | Call | Sole | 2025-02-14 | |
| 2024-09-30 | $1,368,000 | 228,000 | Call | Sole | 2024-11-14 | |
| 2024-09-30 | $3,396,450 | 566,075 | Shares | Sole | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||