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%
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

Number of Employees 15 36%

of those in investment advisory functions 10 11%

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$462,597,594 % Position75.00% $ Change8.00% # Change5.00%
Stck Ticker415864107 Stock NameENVIRI CORP $ Position$88,182,796 % Position14.00% $ Change # Change
Stck Ticker112463104 Stock NameBROOKDALE SENIOR LIVING INC $ Position$30,557,577 % Position5.00% $ Change-21.00% # Change-38.00%
Stck Ticker18453H106 Stock NameCLEAR CHANNEL OUTDOOR HLDGS $ Position$23,293,310 % Position4.00% $ Change7.00% # Change0.00%
Stck Ticker75574U101 Stock NameREADY CAPITAL CORP $ Position$6,998,291 % Position1.00% $ Change-15.00% # Change14.00%
Stck Ticker82669G104 Stock NameSIGNATURE BANK $ Position$260,000 % Position0.00% $ Change-36.00% # Change0.00%
Stck Ticker47580P103 Stock NameJELD-WEN HOLDING INC $ Position$963,337 % Position0.00% $ Change # Change

Brochure Summary