Daniel Sundheim
(Dan Sundheim)
Founder
Chief Investment Officer
D1 Capital Partners
Owner
9 W 57th St 36th Fl New York, NY 10019
D1 Capital Partners|Sunny Capital Management NYC portfolio
$67 million -walkup 54%, elevator 45%; Manhattan 76%, Brooklyn 23%*
2013th largest portfolio by dollar value
66,866 sqft – walkup 66%, elevator 33%; Manhattan 59%, Brooklyn 40%
3087th largest by SF
5 properties – Manhattan 60%, Brooklyn 40%
2030th largest
83 residential units – Manhattan 59%, Brooklyn 40%
2113th largest by residential units
Notes
Daniel Sundheim is married to Brett Sundheim. Page 6 of Link 2 shows Daniel Sundheim as guarantor on Icon property. He is also affiliated with Sunny Capital Management.
Person Activity past 24 months:
Borrower signatory: 1 for $6.4 million
Top Ten Associated Companies:
Bank of America (1)
Top Ten Associated People:
Trinh Doan (1)
Recent activity as signatory:
• Icon Realty Management and D1 Capital Partners borrowed $6.4 million from Bank of America for 329 Union Street on July 01, 2025.