NASDAQ: PRTAProthena Corp Public Ltd Co Stock Ownership - Who owns Prothena Public Co?
Insider buying vs selling
Have Prothena Corp Public Ltd Co insiders been buying or selling?
Buy
Sell
| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Ecor1 Capital LLC | 10% Owner | 2025-05-06 | 1,984,053 | $7.64 | $15.16MSell |
| Ecor1 Capital LLC | 10% Owner | 2025-05-05 | 977,693 | $8.11 | $7.93MSell |
| Ecor1 Capital LLC | 10% Owner | 2025-05-02 | 3,317,938 | $8.36 | $27.74MSell |
| William P. Scully | 10% Owner | 2025-01-14 | 100,000 | $12.79 | $1.28MBuy |
| William P. Scully | 10% Owner | 2024-12-31 | 1,200 | $13.37 | $16.04kBuy |
| William P. Scully | 10% Owner | 2024-12-31 | 800 | $13.39 | $10.72kBuy |
| William P. Scully | 10% Owner | 2024-12-31 | 30,000 | $12.99 | $389.64kBuy |
| William P. Scully | 10% Owner | 2024-12-20 | 2,000 | $15.91 | $31.81kBuy |
| William P. Scully | 10% Owner | 2024-12-18 | 73,436 | $13.93 | $1.02MBuy |
PRTA insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership
Be the first to know when PRTA insiders and whales buy or sell their stock.
PRTA Shareholders
What type of owners hold Prothena Corp Public Ltd Co stock?
Institutional
Insider
Retail
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Ecor1 Capital LLC | 52.89% | 28,473,156 | $218.39M | Insider |
| Ecor1 Capital LLC | 21.52% | 11,584,280 | $88.85M | Institution |
| Oleg Nodelman | 17.51% | 9,426,640 | $72.30M | Insider |
| Fmr LLC | 14.75% | 7,941,402 | $60.91M | Institution |
| Wellington Management Group LLP | 9.66% | 5,199,528 | $39.88M | Institution |
| Blackrock Inc | 7.51% | 4,042,301 | $31.00M | Institution |
| Price T Rowe Associates Inc | 6.42% | 3,455,856 | $26.51M | Institution |
| Elan Corp PLC | 5.91% | 3,182,253 | $24.41M | Insider |
| Armistice Capital LLC | 4.08% | 2,196,000 | $16.84M | Institution |
| Palo Alto Investors LP | 3.08% | 1,659,734 | $12.73M | Institution |
PRTA vs Biotech Stocks
Prothena Public Co Stock Ownership FAQ
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletterWallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.
Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.
Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.