Mason Capital Management LLC

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Mason Capital Management LLC
CRD #158797
SEC #801-73255
CIK #0001218735
AUM $1.8 B (2025-04-14)
Employees 14 (64% Investors, 0% Brokers)
Phone212-771-1200
Address110 E 59th Street
New York, NY 10022-1304
Source [IAPD] [EDGAR] [Website]
Total AUM ($B)
151296302005201220192026
CIK Period
0001218735
Sector Form 13F Holdings Value ($B)
ATS Corp /ATS 0.5
Clear Channel Outdoor Holdings Inc 0.0
Cohen Circle Acquisition Corp I 0.0
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Type Form D Funds Date Sold ($M) AUM ($M)
PE JETT Texas Company LLC [2025-03-31] 358.0 350.0
HF Mason Inflation Master Fund LP [2022-03-25] 21.7 28.7
HF Mason Capital SPV III LLC 2019-03-31 0.0
HF Mason Capital Master Fund LP 2012-08-27 1,827.2
HF Mason Capital LP 2012-02-10 7.8
HF Mason Capital Ltd 2012-02-10 35.2
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 0 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 5 1.8
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 0 0.0
(n) Other 0 0.0
Total 5 1.8
By Discretionary
Discretionary 4 1.5
Non-Discretionary 1 0.4
Total 5 1.8
By Non-United States Persons
Non-United States Persons 0.5
United States Persons 1.3
Total 5 1.8
Limited Partners2011 - 2025
State Board of Administration of Florida
Form D Directors # Filings # Firms 2011 - 2025
Michael Martino 14
Kenneth Garschina 2
Mason Management LLC 2
Mason Capital Management LLC 2
Mason Inflation Management LLC 1
EDGAR Form CIK 2011 - 2025
13F-HR [0001218735]
3 [0001218735]
4 [0001218735]
SC 13D [0001218735]
SC 13G [0001218735]
Form 13D/13G Filer Form 13D/13G Subject Filed
Mason Capital Management LLC ATS Corp /ATS [2024-02-14]
Mason Capital Management LLC Colombier Acquisition Corp [2023-06-26]
Mason Capital Management LLC Corecivic Inc [2021-11-12]
Mason Capital Management LLC Legato Merger Corp [2021-08-16]
Mason Capital Management LLC Clear Channel Outdoor Holdings Inc [2020-03-12]
Mason Capital Management LLC CF Corp [2017-06-23]
Mason Capital Management LLC Madison Square Garden Co [2014-10-02]
Mason Capital Management LLC MENS Wearhouse Inc [2014-02-28]
Mason Capital Management LLC Health Management Associates Inc [2013-07-05]
Form 3/4/5 Subject 2011 - 2025
Garschina Kenneth M.
Legato Merger Corp.
Martino Michael E
Mason Capital Management LLC
Mason Industrial Technology, Inc.
Mason Industrial Sponsor, LLC
BWX Technologies, Inc.
Clear Channel Outdoor Holdings, Inc.
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