10 Largest Investment Management Companies BlackRock. AUM: $9.464 trillion. ... The Vanguard Group. AUM: $8.4 trillion. ... UBS Group. AUM: $4.432 trillion. ... Fidelity. AUM: $4.23 trillion. ... State Street Global Advisors. AUM: $3.86 trillion. ... Morgan Stanley. AUM: $3.274 trillion. ... JPMorgan Chase. AUM: $2.996 trillion. ... Allianz. AUM: $2.953 trillion. More items...