Many of Supervalu's individual grocery chains have lost market share in metropolitan areas in which they operate.
City (chain)20062011
Twin Cities (Cub Foods)24%20%
Chicago (Jewel)37%31%
Boston (Shaw's)22%17%
Las Vegas (Albertsons)24%16%
Philadelphia (Acme)19%16%
San Diego (Albertsons)21%16%