27 Oct 2014 Wally Weitz has carved out his own niche in the world of value investing ( Portfolio ) There was a buying frenzy midmonth at Omaha’s Weitz Investment Management, operator of highly rated mutual funds. “Six stocks in 10 days, that is usually a year and a half supply for us,” Weitz, with a laugh, said of his new purchases, stocks he has coveted for years but were too expensive for his tastes until the recent downturn.