Apartment Investment and Management Company is a multifamily real estate investment trust. It aims to acquire and manage midlevel apartment properties in the top 20 largest metro areas of the United States. It owns approximately 372 properties, comprising around 83,500 units. Affordable properties make up about 13% of AIMCO's overall property net operating income. On a same-store basis, the Northeast, Sunbelt, and Pacific make up 31%, 22%, and 24% of conventional property-level net operating income.