XTX Topco »

Prothena shares owned by XTX Topco

Quarter-by-quarter ownership of Prothena (PRTA) shares owned by XTX Topco from 13F filings

Historical chart of XTX Topco investment in Prothena

Tip: Access up to 7 years of quarterly data

All positions including Prothena held by XTX Topco consolidated in one spreadsheet with up to 7 years of data

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Quarterly reported holdings in Prothena by XTX Topco

Quarter filed Position value Share count Share price at filing
2025-09-30 $154k 16k 9.76
2024-12-31 $259k 19k 13.85
2024-09-30 $260k 16k 16.73
2023-09-30 $536k 11k 48.25