Mattersight Corp., an Illinois-based behavioral analytics software company, leased 15,287 square feet at the Treemont Plaza medical office building in Austin, TX.

The three-story, 53,321-square-foot complex was constructed in 1985 at 3001 Bee Caves Rd. and renovated in 2001. It is in between the Shops at Mira Vista and The West Woods shopping centers in the Southwest submarket.

Mattersight will be relocating from the Barton Creek Plaza II office building in Austin. The company’s lease brings Treemont Plaza to full occupancy.

Paul Hudson of Hudson Properties, Inc. represented the landlord in-house, while Doug Jones of Colliers International represented the tenant.