Granahan Investment Management, LLC's ownership history for MP

Granahan Investment Management, LLC currently holds 138.7K shares with a market value of $6.7M. It started holding MP on 2025-12-31. At its peak, it held 138.7K shares on 2026-03-31. Its highest holding value was $6.7M on 2026-03-31. At its lowest, it held 128.4K shares on 2025-12-31, with a value of $6.5M on 2025-12-31.