Valuation provider Great American Group in Woodland Hills, a subsidiary of L.A.-based B. Riley Financial Inc., announced Thursday that it will help liquidate 32 outdoor sporting goods stores operated by Gander Mountain Co. Inc.

Great American, along with Boston-based Tiger Capital Group, will spearhead the nationwide effort, and St. Paul, Minn.-based Gander will continue running its remaining 137 stores.

Gander filed for Chapter 11 bankruptcy on March 10, and liquidation sales – valued north of $160 million in total – began on March 23.

B. Riley (RILY) shares closed up 30 cents, or 2 percent, to $14.95 on the Nasdaq.