Prothena shares owned by Cornerstone Select Advisors
Quarter-by-quarter ownership of Prothena (PRTA) shares owned by Cornerstone Select Advisors
from 13F filings
Historical chart of Cornerstone Select Advisors investment in Prothena
Tip: Access up to 7 years of quarterly data
All positions including Prothena held by Cornerstone Select Advisors consolidated in one spreadsheet with up to 7 years of data
Download as csvQuarterly reported holdings in Prothena by Cornerstone Select Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-06-30 | $98k | 10k | 9.79 |
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