Cornerstone Select Advisors, LLC's ownership history for PRTA

Cornerstone Select Advisors, LLC currently holds 10.0K shares with a market value of $97.9K. It started holding PRTA on 2026-06-30. At its peak, it held 10.0K shares on 2026-06-30. Its highest holding value was $97.9K on 2026-06-30. At its lowest, it held 10.0K shares on 2026-06-30, with a value of $97.9K on 2026-06-30.