Over time, the investments of US insurers have changed. This has been inevitable as market dynamics have shifted and US insurers have needed to adjust investment strategies and practices to accommodate. In recent years, the evolution has accelerated as US insurers have been driven, as have all other investors, by relatively low interest rates and the resulting low investment yields. With year-end 2018 financials of US insurers and the required detailed investment schedules, we can consider year over year differences and the resulting impacts on US insurers’ investment profiles, as well as potential risks and concerns.