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The medical center is a common member of an investment in 8 east 102nd street manager LLC. All earnings related to this investment are distributed to icahn school of medicine at mount sinai to provide strategic support.

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The medical center maintains investments in a pooled investment portfolio for the benefit of icahn school of medicine at mount sinai, the mount sinai hospital, mount sinai auxiliary board, ST luke's-roosevelt hospital center, beth israel medical center, new york eye and ear infirmary, as well as the medical center; collectively, the mount sinai health system. The mount sinai health system's permanently restricted assets are held in perpetuity, but the income derived from these assets can be used or expended, in part or in entirety, for either specified or unspecified purposes of the respective entity, in accordance with mount sinai's policies and procedures governing the management of institutional funds. In accordance with the mount sinai health system's investment pool agreement, the book income earned from pooled investments is consolidated in the supported entities' respective statements of activities. The medical center's book income derived from it's permanently restricted assets is used to support either specified (generally, the school) or unspecified purposes. The investments maintained by the medical center in the pooled investment portfolio may generate unrelated business taxable income ("ubit"); in the event ubti is assessed to the medical center, as the legally named entity on the investment (typically a k-1 statement), the medical center reports all of the ubit on its 990t and remits the appropriate tax liability estimates to the IRS and settles any income tax expense with the IRS when the medical center's 990t is filed for the corresponding tax year. The medical center allocates the income tax expense to the entities of the health system based on the earnings derived on their prorata share of the investment pool in accordance with the mount sinai health system's investment pool agreement; none of the other entities are required to report any ubit from the pooled investments maintained by the medical center under the mount sinai health system investment pool agreement.