RBS Partners is run by the chairman of Sears Holdings Corp (NASDAQ:SHLD), Edward Lampert, and the fund has concentrated investments in AutoNation, Inc. (NYSE:AN), Lands’ End, Inc. (NASDAQ:LE), Sears Holdings Corp (NASDAQ:SHLD). RBS Partners filed its recent SEC 13F filing on November 14 and its current portfolio exceeds $1.5 billion in investments. AutoNation, Inc. (NYSE:AN)…