Prothena shares owned by Siren
Historical chart of Siren investment in Prothena
Tip: Access up to 7 years of quarterly data
All positions including Prothena held by Siren consolidated in one spreadsheet with up to 7 years of data
Download as csvQuarterly reported holdings in Prothena by Siren
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-03-31 | $16M | 1.3M | 12.38 |
| 2024-12-31 | $15M | 1.1M | 13.85 |
| 2024-09-30 | $18M | 1.1M | 16.73 |