By Charles Skorina, Managing Partner at Charles A. Skorina & Company. I worried about so many things during my life, but the really tough hits I never saw coming. — AnonymousOur 2023 endowment performance report features ten-year investment returns for one hundred thirty-eight US and eight Canadian institutions, the latest available. In addition, we include one-year returns for 2023, 2022, 2021 along with AUM, as of their respective fiscal year-ends.