The 2,816-square-foot house was built in 2007.
Mr. Portnoy, a CFA charterholder, is senior vice president for advanced strategies at Mesirow Financial in Chicago.
He has also worked for Chicago-based research firm, Morning Star, as a fund analyst.
He earned his B.A. from the University of Michigan and his M.A. and Ph.D. from the University of Chicago.
There were 204 home sales in North Center in 2008, with median sales price of $470,000.
Address: 1919 West Warner Avenue
Buyer(s): Tracy Portnoy and Brian Portney
Seller(s): 1917-1921 W Warner Llc
Sale date: Jun. 26, 2009