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Prothena shares owned by Y-Intercept

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

Historical chart of Y-Intercept investment in Prothena

Tip: Access up to 7 years of quarterly data

All positions including Prothena held by Y-Intercept consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Prothena by Y-Intercept

Quarter filed Position value Share count Share price at filing
2025-12-31 $960k 101k 9.55
2025-09-30 $119k 12k 9.76
2024-06-30 $441k 21k 20.64