Investment adviser · CRD 158797

MASON CAPITAL MANAGEMENT LLC

Investment adviser filing (IA)

NEW YORK, NY, United States · Form ADV filed Mar 31, 2026

Regulatory AUM
$2.24B
Form ADV · Item 5.F
Client accounts
5
Accounts, not individual clients
Employees
15
Reported in this filing
Advisory professionals
10
Investment advisory functions

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client typeClientsRegulatory assetsShare of AUM
Pooled investment vehicles5$2,237,452,245100.0%
Filing source

Form ADV 2077062 · Mar 31, 2026 · Item 5.D

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Private funds & service providers

4 Private funds

The count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.

MASON CAPITAL MASTER FUND, LPHedge Fund · Last reported Mar 31, 2026$2.24BGross asset value

Feeder funds

Fund administrator SS&C GLOBEOP, INC WINDSOR, Connecticut, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor BDO CAYMAN LTD GRAND CAYMAN, Cayman Islands
Auditor BDO USA, PC CHICAGO, Illinois, United States
Custodian BARCLAYS CAPITAL INC. NEW YORK, New York, United States Related to adviser: No
Custodian CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States Related to adviser: No
Custodian GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No
Custodian THE BANK OF NEW YORK MELLON NEW YORK, New York, United States Related to adviser: No
Prime broker BARCLAYS CAPITAL INC. NEW YORK, New York, United States
Prime broker CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States
Prime broker GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States
Prime broker J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States
Prime broker MERRILL LYNCH PROFESSIONAL CLEARING CORP. NEW YORK, New York, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

BDO CAYMAN LTD
PCAOB 2162

BDO USA, PC
PCAOB 243

BARCLAYS CAPITAL INC.
SEC 8-41342

CITIGROUP GLOBAL MARKETS INC.
SEC 8-8177

GOLDMAN SACHS & CO. LLC
SEC 8-129

THE BANK OF NEW YORK MELLON
LEI HPFHU0OQ2E4NONFVK49

BARCLAYS CAPITAL INC.
CRD 19714 · SEC 8-41342

CITIGROUP GLOBAL MARKETS INC.
CRD 7059 · SEC 8-8177

GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129

J.P. MORGAN SECURITIES LLC
CRD 79 · SEC 8-35008

MERRILL LYNCH PROFESSIONAL CLEARING CORP.
CRD 16139 · SEC 8-33359

Fund details & source
Fund ID
805-9396412006
Reported beneficial owners
61
Minimum commitment
$1M
Form D file number
021-92252
Form D file number
021-92713

Form ADV 2077062 · Mar 31, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

JETT TEXAS COMPANY LLCPrivate Equity Fund · Last reported Mar 31, 2026$509MGross asset value

Form D fundraising filings

Jett Texas Co LLC

Fund administrator SS&C GLOBEOP, INC WINDSOR, Connecticut, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor BDO USA, PC CHICAGO, Illinois, United States
Custodian JPMORGAN CHASE BANK, N.A. NEW YORK, New York, United States Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

BDO USA, PC
PCAOB 243

JPMORGAN CHASE BANK, N.A.
LEI 7H6GLXDRUGQFU57RNE97

Fund details & source
Fund ID
805-5246477540
Reported beneficial owners
20
Minimum commitment
$50K
Form D file number
021-532373

Form ADV 2077062 · Mar 31, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

MASON CAPITAL SPV III, LLCHedge Fund · Last reported Mar 31, 2026$6.35MGross asset value
Custodian GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No
Prime broker GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States
Provider details
Annual audit
No
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
No
External marketing
No

GOLDMAN SACHS & CO. LLC
SEC 8-129

GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129

Fund details & source
Fund ID
805-2353232676
Reported beneficial owners
1
Minimum commitment
$1M

Form ADV 2077062 · Mar 31, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

MASON INFLATION MASTER FUND, L.P.Hedge Fund · Last reported Mar 25, 2022$28.7MGross asset value

Feeder funds

Fund administrator SS&C GLOBEOP, INC WINDSOR, Connecticut, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor BDO CAYMAN LTD GRAND CAYMAN, Cayman Islands
Auditor BDO USA, LLP CHICAGO, Illinois, United States
Custodian GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No
Prime broker GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

BDO CAYMAN LTD
PCAOB 2162

BDO USA, LLP
PCAOB 2162

GOLDMAN SACHS & CO. LLC
SEC 8-129

GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129

Fund details & source
Fund ID
805-5186249738
Reported beneficial owners
3
Minimum commitment
$1M
Form D file number
021-409027

Form ADV 1603104 · Mar 25, 2022 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Services & filing details

Most recent filing: Mar 31, 2026. View historical filings

Reported services

Pooled investment vehicle management

Compensation

Percentage of assets · Performance-based

Principal office

110 E. 59TH STREET, 30TH FL
NEW YORK, NY, 10022-1304, United States

CRD 158797

Filing source

Form ADV 2077062 · Mar 31, 2026 · Items 1 & 5

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.