WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's ownership history for POWI

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC currently holds 2.4M shares with a market value of $121.9M. It started holding POWI on 2024-09-30. At its peak, it held 2.4M shares on 2026-03-31. Its highest holding value was $121.9M on 2026-03-31. At its lowest, it held 7.0K shares on 2025-03-31, with a value of $353.8K on 2025-03-31. In the recent 180 days, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC has increased its shares by 2.4M.