This document is about an overview of private pension plans and direct filing entities (DFEs) that filed Form 5500 in 2018. It provides detailed statistics and information on the number, assets, and investments of various types of DFEs, including common/collective trusts, master trust investment accounts, pooled separate accounts, and 103-12 investment entities. The document also includes appendix information on group insurance arrangements that filed Form 5500 during 2008-2018.