Siren, L.L.C.
- SEC CIK
- 0002005245
- Latest filing
- Aug 13, 2026
PRTA holding history
Prothena Corp Public Ltd Co in every 13F filed by Siren, L.L.C., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
PRTA overviewAll 13F holders of PRTAFull Q2 2026 holdings
- Shares (Q2 2025)
- 0
- Sold out in Q2 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 3
- Since Q3 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2025 | 0 | $0 | 0.0% | −1,283,555−100.0% | Sold out | Holders |
| Q1 2025 | 1,283,555 | $15.9M | 0.9% | +183,715+16.7% | Added | Holders |
| Q4 2024 | 1,099,840 | $15.2M | 0.7% | 00.0% | Unchanged | Holders |
| Q3 2024 | 1,099,840 | $18.4M | 0.9% | – | No prior filing | Holders |