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Prothena shares owned by Wintrust Financial Corporation

Quarter-by-quarter ownership of Prothena (PRTA) shares owned by Wintrust Financial Corporation from 13F filings

Historical chart of Wintrust Financial Corporation investment in Prothena

Tip: Access up to 7 years of quarterly data

All positions including Prothena held by Wintrust Financial Corporation consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Prothena by Wintrust Financial Corporation

Quarter filed Position value Share count Share price at filing
2025-09-30 $130k 13k 9.76