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Mason Capital Management LLCDeep ValueConcentrated trader

CIK: 0001218735 | NEW YORK, NY

Q1 2026 vs Q2 2026 ComparisonProfile

Filing History

QuarterForm TypeHoldingsValueFiledSEC
Q2 2026
13F-HR9$607.0M2026-08-14SEC ↗
Q1 2026
13F-HR7$612.9M2026-05-15SEC ↗
Q4 2025
13F-HR9$561.6M2026-02-17SEC ↗
Q3 2025
13F-HR6$491.4M2025-11-14SEC ↗
Q2 2025
13F-HR4$511.5M2025-08-14SEC ↗
Q1 2025
13F-HR5$427.2M2025-05-15SEC ↗
Q4 2024
13F-HR4$470.5M2025-02-14SEC ↗
Q3 2024
13F-HR6$502.6M2024-11-14SEC ↗
Q2 2024
13F-HR6$538.2M2024-08-14SEC ↗
Q1 2024
13F-HR6$727.8M2024-05-15SEC ↗
Q4 2023
13F-HR7$893.9M2024-02-15SEC ↗
Q3 2023
13F-HR8$1.2B2023-11-14SEC ↗
Q2 2023
13F-HR10$1.0B2023-08-14SEC ↗
Q1 2023
13F-HR12$234.2M2023-05-15SEC ↗
Q4 2022
13F-HR13$609.2M2023-02-14SEC ↗
Q3 2022
13F-HR12$29.4M2022-11-14SEC ↗
Q2 2022
13F-HR18$68.2M2022-08-15SEC ↗
Q1 2022
13F-HR16$169.5M2022-05-16SEC ↗
Q4 2021
13F-HR7$139.6M2022-02-14SEC ↗
Q3 2021
13F-HR37$113.5M2021-11-15SEC ↗
Q2 2021
13F-HR34$111.1M2021-08-16SEC ↗
Q1 2021
13F-HR24$75.5M2021-05-17SEC ↗
Q4 2020
13F-HR18$50.1M2021-02-16SEC ↗
Q3 2020Amended
13F-HR/A8$36.9M2020-11-13SEC ↗
Q2 2020
13F-HR10$50.2M2020-08-14SEC ↗
Q1 2020
13F-HR11$43.1M2020-05-15SEC ↗
Q4 2019
13F-HR8$66.5M2020-02-14SEC ↗
Q3 2019
13F-HR9$49.2M2019-11-14SEC ↗
Q2 2019
13F-HR10$17.2M2019-08-14SEC ↗
Q1 2019
13F-HR8$465.4K2019-05-15SEC ↗
Q4 2018
13F-HR12$2.6M2019-02-14SEC ↗
Q3 2018
13F-HR19$1.7M2018-11-15SEC ↗
Q2 2018
13F-HR25$2.8M2018-08-14SEC ↗
Q1 2018
13F-HR22$2.2M2018-05-15SEC ↗
Q4 2017
13F-HR19$1.6M2018-02-14SEC ↗
Q3 2017
13F-HR22$3.2M2017-11-14SEC ↗
Q2 2017
13F-HR22$1.5M2017-08-14SEC ↗
Q1 2017
13F-HR19$1.6M2017-05-15SEC ↗
Q4 2016
13F-HR26$47.1M2017-02-14SEC ↗
Q3 2016
13F-HR18$1.2M2016-11-14SEC ↗
Q2 2016
13F-HR18$3.1M2016-08-15SEC ↗
Q1 2016
13F-HR19$3.2M2016-05-16SEC ↗
Q4 2015
13F-HR18$3.0M2016-02-16SEC ↗
Q3 2015
13F-HR19$4.7M2015-11-16SEC ↗
Q2 2015
13F-HR24$5.6M2015-08-14SEC ↗
Q1 2015
13F-HR27$5.9M2015-05-15SEC ↗
Q4 2014
13F-HR22$51.4M2015-02-17SEC ↗
Q3 2014
13F-HR48$9.5M2014-11-14SEC ↗
Q2 2014
13F-HR45$8.4M2014-08-14SEC ↗
Q1 2014
13F-HR27$4.5M2014-05-15SEC ↗
Q4 2013
13F-HR29$5.5M2014-02-14SEC ↗
Q3 2013
13F-HR32$27.1M2013-11-14SEC ↗
Q2 2013
13F-HR30$96.7M2013-08-14SEC ↗