MARSHALL WACE, LLP's ownership history for HEI

MARSHALL WACE, LLP currently holds 204.6K shares with a market value of $66.0M. It started holding HEI on 2024-12-31. At its peak, it held 447.4K shares on 2025-06-30. Its highest holding value was $146.7M on 2025-06-30. At its lowest, it held 25.8K shares on 2024-12-31, with a value of $6.1M on 2024-12-31. In the recent 180 days, MARSHALL WACE, LLP has decreased its shares by 191.7K.