This article part of a series that provides an ongoing analysis of the changes made to Harris Associates' 13F stock portfolio on a quarterly basis. It is based on Harris Associates' regulatory 13F Form filed on 05/15/2020. William Nygren's 13F portfolio value decreased ~36% from $56.41B to $36.11B this quarter. The portfolio is diversified with recent 13F reports showing around 200 positions although most of them are very small. There are 66 securities that are significantly large (more than ~0.5% of the portfolio each) and they are the focus of this article. The largest five