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Prothena shares owned by Ballentine Partners

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

Historical chart of Ballentine Partners investment in Prothena

Tip: Access up to 7 years of quarterly data

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

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Quarterly reported holdings in Prothena by Ballentine Partners

Quarter filed Position value Share count Share price at filing
2025-09-30 $179k 18k 9.76