other names
  • MASON CAPITAL MANAGEMENT LLC
  • MASON MANAGEMENT LLC

Adviser Profile

As of Date 03/31/2026
Registration SEC, Approved, 02/24/2012
ADV Location NEW YORK, NY, United States
Contact Info 212 xxxxxxx
Websites
AUM* 2,237,452,245 14%
of that, discretionary 1,728,296,362 -12%
Number of Employees 15 36%
of those in investment advisory functions 10 11%
Private Fund GAV* 2,752,953,920 26%
Avg Account Size 447,490,449 -9%
SMA’s No
Private Funds 5 1

Adviser Type

- Large advisory firm

Client Types

- Pooled investment vehicles

Advisory Activities

- Portfolio management for pooled investment vehicles

Compensation Arrangments

- A percentage of assets under your management
- Performance-based fees

Reported AUM

10B 9B 7B 6B 4B 3B 1B
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026
Discretionary
Non-discretionary

Private Funds

Employees

Private Funds Structure

SEC Fund Type Count GAV
Fund TypeHedge Fund Count4 GAV$2,243,798,037
Fund TypePrivate Equity Fund Count1 GAV$509,155,883

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Top Holdings

Stock Ticker Stock Name $ Position % Position $ Change # Change
Stck Ticker00217Y104 Stock NameATS CORPORATION $ Position$428,620,663 % Position76.00% $ Change5.00% # Change0.00%
Stck Ticker112463104 Stock NameBROOKDALE SENIOR LIVING INC $ Position$38,692,303 % Position7.00% $ Change85.00% # Change45.00%
Stck Ticker83443Q103 Stock NameSOLSTICE ADV MATERIALS INC $ Position$30,790,053 % Position5.00% $ Change # Change
Stck Ticker18453H106 Stock NameCLEAR CHANNEL OUTDOOR HLDGS $ Position$21,720,766 % Position4.00% $ Change40.00% # Change0.00%
Stck TickerN4732M103 Stock NameJBS N.V. $ Position$18,832,520 % Position3.00% $ Change # Change
Stck TickerG1466R173 Stock NameBORR DRILLING LTD $ Position$8,794,008 % Position2.00% $ Change # Change
Stck Ticker59064R109 Stock NameMESA LABORATORIES INC $ Position$5,518,550 % Position1.00% $ Change17.00% # Change0.00%
Stck Ticker75574U101 Stock NameREADY CAPITAL CORP $ Position$8,231,983 % Position1.00% $ Change # Change
Stck Ticker82669G104 Stock NameSIGNATURE BANK $ Position$404,000 % Position0.00% $ Change55.00% # Change0.00%

Brochure Summary