Quick Takeaways
- Logos Global Management LP filed SCHEDULE 13G for PROTHENA CORP PUBLIC LTD CO Ordinary Shares (PRTA).
- Disclosed ownership: 5.5%.
- Date of event: 29 May 2025.
Logos Global Management LP - 29 May 2025 SCHEDULE 13G Report for PROTHENA CORP PUBLIC LTD CO Ordinary Shares (PRTA)
- Filing Manager
- Logos Global Management LP
- Reporting Manager
- Logos Global Management LP
- Symbol
- PRTA
- Shares outstanding
- 53,636,364 shares
- Disclosed Ownership
- 2,950,000 shares
- Ownership
- 5.5%
- Form type
- SCHEDULE 13G
- Filing time
- 04 Jun 2025, 17:18:42 UTC
- Date of event
- 29 May 2025
- Next filing
- 14 Aug 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Logos Global Management LP disclosed 5.5% ownership in PROTHENA CORP PUBLIC LTD CO Ordinary Shares (PRTA) on 29 May 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 04 Jun 2025, 17:18.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (5)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Logos Global Management LP | 5.5% | 2,950,000 | 0 | 2,950,000 | /s/ Arsani William | Managing Partner | |
| Logos Global Management GP LLC | 5.5% | 2,950,000 | 0 | 2,950,000 | /s/ Arsani William | Managing Member | |
| Logos Global Master Fund LP | 5.5% | 2,950,000 | 0 | 2,950,000 | /s/ Arsani William | Managing Member of Logos GP LLC, General Partner of Logos Global Master Fund LP | |
| Logos GP LLC | 5.5% | 2,950,000 | 0 | 2,950,000 | /s/ Arsani William | Managing Member | |
| Arsani William | 5.5% | 2,950,000 | 0 | 2,950,000 | /s/ Arsani William | Reporting person |