Mason Capital Management LLC Portfolio Holdings

Mason Capital Management LLC has filed its 13F form on November 14, 2025 for Q3 2025 where it was disclosed a total value porftolio of $41.5 Million distributed in 6 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Brookdale Senior Living Inc. with a value of $21M, Clear Channel Outdoor Holdings, Inc. with a value of $15.5M, Mesa Laboratories Inc with a value of $4.71M, Signature Bank Corp with a value of $260K, and Ats Corporation with a value of $0.

Examining the 13F form we can see an increase of $29.7M in the current position value, from $11.7M to 41.5M.

Mason Capital Management LLC is based out at New York, NY

Below you can find more details about Mason Capital Management LLC portfolio as well as his latest detailed transactions.