United Natural Foods' ( NYSE: UNFI) gross profit rate in the quarter was 13.1% of sales, compared to 13.3% a year ago. The slight decrease in the gross profit rate was primarily driven by lower product margin rates and business mix, partly offset through supplier programs, lower shrink, and a higher retail gross margin rate.

Rhumbline Advisers trimmed its holdings in shares of United Natural Foods, Inc. (NYSE:UNFI – Free Report) by 0.6% during the 4th quarter, according to the company in its most recent 13F filing with the Securities and Exchange Commission (SEC).