Cornerstone Investment Partners, LLC's ownership history for PRTA

Cornerstone Investment Partners, LLC currently holds 30.7K shares with a market value of $298.3K. It started holding PRTA on 2026-03-31. At its peak, it held 30.7K shares on 2026-03-31. Its highest holding value was $298.3K on 2026-03-31. At its lowest, it held 30.7K shares on 2026-03-31, with a value of $298.3K on 2026-03-31.