GATEWAY INVESTMENT ADVISERS LLC's ownership history for PTRB

GATEWAY INVESTMENT ADVISERS LLC currently holds 18.2K shares with a market value of $756.2K. It started holding PTRB on 2026-03-31. At its peak, it held 18.2K shares on 2026-03-31. Its highest holding value was $756.2K on 2026-03-31. At its lowest, it held 18.2K shares on 2026-03-31, with a value of $756.2K on 2026-03-31.