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| Mason Capital Management LLC
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|---|---|
| CRD # | 158797 |
| SEC # | 801-73255 |
| CIK # | 0001218735 |
| AUM | 2,237.5 M (2026-03-31) |
| Employees | 15 (67% Investors, 0% Brokers) |
| Phone | 212-771-1200 |
| Address | 110 E 59th Street New York, NY 10022-1304 |
| Source | [IAPD] [EDGAR] [Website] |
| Total AUM ($B) |
|---|
| Sector | Form 13F Holdings | Value ($B) | |
|---|---|---|---|
| ATS Corp /ATS | 0.5 | ||
| Brookdale Senior Living Inc | 0.0 | ||
| Clear Channel Outdoor Holdings Inc | 0.0 | ||
| ZAIS Financial Corp | 0.0 | ||
| Jeld-Wen Holding Inc | 0.0 | ||
| Holdings by Sector ($B) |
|---|
| Type | Form D Funds | Date | Sold | AUM |
|---|---|---|---|---|
| PE | JETT Texas Company LLC | [2025-03-31] | 358.0 M | 509.2 M |
| Filed 2024-12-17 (D) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose | ||||
| HF | Mason Inflation Master Fund LP | [2022-03-25] | 21.7 M | 28.7 M |
| Filed 2022-08-05 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose | ||||
| HF | Mason Capital SPV III LLC | 2019-03-31 | 6.3 M | |
| HF | Mason Capital Master Fund LP | 2012-08-27 | 2,237.5 M | |
| HF | Mason Capital LP | 2012-02-10 | 7.8 M | |
| HF | Mason Capital Ltd | 2012-02-10 | 35.2 M | |
| AUM Breakdown | Accounts | AUM ($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 | 2.2 |
| (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 | 2.2 |
| By Discretionary | ||
| Discretionary | 4 | 1.7 |
| Non-Discretionary | 1 | 0.5 |
| Total | 5 | 2.2 |
| By Non-United States Persons | ||
| Non-United States Persons | 0.5 | |
| United States Persons | 1.7 | |
| Total | 5 | 2.2 |
| Limited Partners | 2011 - 2026 |
|---|---|
| State Board of Administration of Florida |
| Form D Directors | Role | # Filings | # Firms | 2011 - 2026 |
|---|---|---|---|---|
| Michael Martino | Executive Officer | 14 | 3 | |
| Kenneth Garschina | Executive Officer | 2 | 2 | |
| Mason Management LLC | Executive Officer | 2 | 2 | |
| Mason Capital Management LLC | Promoter | 2 | 2 | |
| Mason Inflation Management LLC | Executive Officer | 1 | 1 |
| EDGAR Form | CIK | 2011 - 2026 |
|---|---|---|
| 13F-HR | [0001218735] | |
| 3 | [0001218735] | |
| 4 | [0001218735] | |
| SC 13D | [0001218735] | |
| SC 13G | [0001218735] |
| Firm Profile (Form ADV) | |
|---|---|
| Discretionary AUM | $11.0B |
| Serves | Institutional |
| Fund Types | Hedge Fund, Private Equity |
| LEI | CYLPQ00SO09K1E63I320 |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Legato Merger Corp LEGO
Common Stock
|
2021-08-16 | Sell | 800 | $11.33 | 9,064 |
|
Legato Merger Corp LEGO
Common Stock
|
2021-08-16 | Sell | 15,600 | $11.27 | 175,812 |
|
Legato Merger Corp LEGO
"Common Stock, $0.0001 par value per share (""Common Stock"")."
|
2021-08-12 | Buy | 116,500 | $11.50 | 1,339,750 |
|
Mason Industrial Technology Inc MIT
Class B common stock · derivative
|
2021-01-29 | Other | 437,500 | $0.00 | |
|
Babcock & Wilcox Co BWC
Common Stock, $.01 par value
|
2014-03-21 | Sell | 1,100,000 | $32.80 | 36,080,000 |
|
Clear Channel Outdoor Holdings Inc CCO
Class A Common Stock, $.01 par value
|
2013-01-18 | Sell | 167,852 | $7.49 | 1,257,211 |
|
Clear Channel Outdoor Holdings Inc CCO
Class A Common Stock, $.01 par value
|
2013-01-17 | Sell | 732,148 | $7.49 | 5,483,789 |
|
Babcock & Wilcox Co BWC
Common Stock, $.01 par value
|
2013-01-09 | Buy | 2,800,000 | $24.50 | 68,600,000 |
|
Babcock & Wilcox Co BWC
Common Stock, $.01 par value
|
2012-07-18 | Buy | 100,000 | $25.14 | 2,514,000 |
|
Babcock & Wilcox Co BWC
Common Stock, $.01 par value
|
2012-06-06 | Buy | 302,493 | $23.65 | 7,153,959 |
|
Babcock & Wilcox Co BWC
Common Stock, $.01 par value
|
2012-06-04 | Buy | 71,259 | $23.36 | 1,664,610 |
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