Asset management companies earn fees by managing investment portfolios for institutions, pension funds, and individual investors. BlackRock, the world's largest asset manager with over $10 trillion in AUM, dominates passive investing through its iShares ETF franchise. Alternative asset managers like Apollo and KKR manage private equity, credit, and infrastructure strategies that charge performance fees. Fee rates have compressed significantly as passive investing displaced active management.
Assets Under Management (AUM) flows are the primary revenue driver — watch net inflows vs outflows monthly. Equity market performance directly impacts fee-based revenue. Alternative managers guide on distributable earnings to signal dividend sustainability.