No. 8: Nuveen
Total mutual fund assets: $423.1 billion
Long-term assets: $412.6 billion
TIAA purchased Nuveen in 2014, but changed its name to Nuveen in 2014. CREF has long been known as an innovative index innovator in the education market. Nuveen’s expertise was municipal bonds: Its largest fund, Nuveen High Yield Municipal Bond, has $15.6 billion in assets.