Magnetar Financial LLC's ownership history for GPK

Magnetar Financial LLC currently holds 263.7K shares with a market value of $4.0M. It started holding GPK on 2025-12-31. At its peak, it held 263.7K shares on 2025-12-31. Its highest holding value was $4.0M on 2025-12-31. At its lowest, it held 263.7K shares on 2025-12-31, with a value of $4.0M on 2025-12-31.