Dimitrios Kambouris/GettyCurious who had the best week? It was Steven Spielberg and Jeffrey Katzenberg. The cofounders of DreamWorks made out huge Thursday when Comcast bought DreamWorks Animation for $3.8 billion. Katzenberg, who is also the CEO of DreamWorks Animation, stands to make $408 million based on his roughly 10 million shares in the company, the largest of any individual investor, according to TheWrap.