Charleston, South Carolina-based Ballast Rock Capital acquired the Gleneagle Apartments in Columbia, South Carolina, for $17.5 million, or approximately $78,125 per unit. The rental apartment complex sold this month and is the ninth and final acquisition made by Ballast Rock's Sunbelt Multifamily Fund I, a $30 million equity fund established to invest in workforce housing in secondary and tertiary markets in North and South Carolina and Georgia.