Round Rock Advisors, LLC's ownership history for PRLB

Round Rock Advisors, LLC currently holds 6.6K shares with a market value of $330.7K. It started holding PRLB on 2025-09-30. At its peak, it held 6.6K shares on 2025-09-30. Its highest holding value was $330.7K on 2025-09-30. At its lowest, it held 6.6K shares on 2025-09-30, with a value of $330.7K on 2025-09-30.