Total investment assets of the Retirement Funds were $187.1 billion as of December 31, 2021. Total investment assets in the Core Fund increased from $148.3 billion as of December 31, 2020, to $176.1 billion as of December 31, 2021. The Core Fund investments include a distinct mix of investment types, such as equities, fixed income, and private fund investments. Total investment assets in the Variable Fund increased from $9.6 billion as of December 31, 2020, to $11.0 billion as of December 31, 2021. The Variable Fund assets in 2021 are primarily made up of public equities.