MASON CAPITAL MANAGEMENT LLC's ownership history for ATS

MASON CAPITAL MANAGEMENT LLC currently holds 15.6M shares with a market value of $407.8M. It started holding ATS on 2024-09-30. At its peak, it held 15.6M shares on 2025-03-31. Its highest holding value was $496.2M on 2025-06-30. At its lowest, it held 14.9M shares on 2024-09-30, with a value of $388.0M on 2025-03-31. In the recent 180 days, MASON CAPITAL MANAGEMENT LLC has increased its shares by 0. In the recent year, MASON CAPITAL MANAGEMENT LLC has increased its shares by 648.8K.