Clearstead Advisors, LLC's ownership history for PTRB

Clearstead Advisors, LLC currently holds 52.3K shares with a market value of $2.2M. It started holding PTRB on 2026-03-31. At its peak, it held 52.3K shares on 2026-03-31. Its highest holding value was $2.2M on 2026-03-31. At its lowest, it held 52.3K shares on 2026-03-31, with a value of $2.2M on 2026-03-31.