Memorial Sloan Kettering

(Memorial Sloan Kettering Cancer Center)

Hospital

1275 York Avenue New York, NY 10065

mskcc.org

Memorial Sloan Kettering NYC portfolio

$1.1 billion -specialty 58%, office 32%, condo 9%; Manhattan 100%*

208th largest portfolio by dollar value

1,530,613 sqft – specialty 58%, office 36%, condo 5%; Manhattan 100%

324th largest by SF

7 properties – Manhattan 100%

1411th largest

53 residential units – Manhattan 100%

2538th largest by residential units

Company Activity past 24 months:

Developer (new building or major alteration): 1 for 730,492 square feet

Recent activity as company:

• Memorial Sloan Kettering for L Ryan Kiefer filed plans for new building for 730,492 sqft in Lenox Hill, Manhattan, on April 21, 2025.

• SL Green Realty sold 885 Third Avenue, 885 Third Avenue, 885 Third Avenue, 885 Third Avenue, 885 Third Avenue, and others, Midtown East, Manhattan for $166.9 million to Memorial Sloan Kettering on December 16, 2022.

• SL Green Realty sold None for $106.1 million to Memorial Sloan Kettering on December 16, 2022.

• Joy Construction and Maddd Equities sold 321 East 61st Street, 321 East 61st Street, 321 East 61st Street, 321 East 61st Street, 321 East 61st Street, and others, Lenox Hill, Manhattan for $185 million to Memorial Sloan Kettering on August 30, 2022.

• The seller sold 141 East 69th Street, Lenox Hill, Manhattan for $6.9 million to Memorial Sloan Kettering on August 29, 2022.

• SL Green Realty sold None for $0 to Memorial Sloan Kettering on August 18, 2022.