Mason Capital Management

Hedge Fund SEC-registered adviser

Legal name: Mason Capital Management LLC

New York, NY Website

AUM

$2.2B
Regulatory AUM

Private funds

3
Hedge Fund 2 · Private Equity 1

Private fund assets

$2.8B
Gross asset value

Employees

15

Last Form D raise

Mar 2026
Most recent fund filing

From SEC Form ADV filing (filed Mar 31, 2026). View on SEC

People(5)

Owners and executive officers named on the firm's SEC Form ADV.

D
Daniela Constantino
Analyst and Managing Member
Source: SEC Form ADV
J
John Grizzetti
Chief Operating Officer and Managing Member
Source: SEC Form ADV
K
Kenneth Garschina
Managing Member and Principal
Source: SEC Form ADV
M
Michael Martino
Managing Member and Principal
Source: SEC Form ADV
S
Samuel Read
Analyst and Managing Member
Source: SEC Form ADV

Funds(3)

Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.

FundTypeGross assetsRaised (Form D)InvestorsLast Form DRecency
Mason Capital Master Fund, LPHedge Fund$2.2B$8.0B457Mar 2026Warm
Jett Texas Company LLCPrivate Equity$509.2M$358.0M33Dec 2024Cool
Mason Capital SPV III, LLCHedge Fund$6.3M———

Board seats

Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.

No board seats matched from SEC filings yet.

Regulatory identifiers

CRD number
158797
SEC file number
801-73255
CIK
1218735

Sources