Elliot Nassim
(Elliot S. Nassim)
President
Owner
Mason Asset Management
Owner
150 Great Neck Road Suite 402, Great Neck, NY 11021
Mason Asset Management NYC portfolio
$251.7 million -office 96%, condo 3%; Manhattan 99%*
823th largest portfolio by dollar value
500,872 sqft – office 97%, condo 2%; Manhattan 100%
829th largest by SF
4 properties – Manhattan 100%
2199th largest
Person Activity past 24 months:
Buyer signatory: 2 for $50.2 million
Borrower signatory: 2 for $196.7 million
Top Ten Associated Companies:
Related Companies (1), Nuveen Real Estate (1), Reznik Paz Nevo Trusts (1), Symetra Life Insurance Company (1)
Top Ten Associated People:
Patrick Sweeney (1), James Farrar (1), Hillel Lazarus (1)
Recent activity as signatory:
• Namdar Realty Group, Empire Capital Holdings and Mason Asset Management borrowed $172.4 million from Reznik Paz Nevo Trusts for 527 5 Avenue on January 21, 2026.
• Nuveen Real Estate sold 225 West 83rd Street, Upper West Side, Manhattan for $9.8 million to Mason Asset Management and Namdar Realty Group on February 26, 2025.
• Related Companies sold 319 West 44 Street for $40.5 million to Namdar Realty Group, Empire Capital Holdings and Mason Asset Management on September 19, 2024.
• Namdar Realty Group, Empire Capital Holdings and Mason Asset Management borrowed $24.3 million from Symetra Life Insurance Company for 319 West 44 Street on September 19, 2024.