IBKR vs ARES Comparison

Interactive Brokers is a large, automated, retail and institutional brokerage that boasted nearly $780 billion in customer equity at the end of 2025. The company cut its teeth as a market maker, introducing US financial markets to automated and algorithmic training before expanding into brokerage services in 1993. The firm has a wide-ranging client base, with its best-in-class order execution and extremely low margin lending rates catering to a sophisticated audience of hedge funds, proprietary traders, and introducing brokers that account for about 45% of the firm's commissions. With operations spanning more than 160 electronic exchanges, 36 countries, and 28 currencies, Interactive Brokers caters to a global clientele, with more than 80% of active accounts sitting outside the US.

Ares Management is one of the world's largest alternative-asset managers, with $595.7 billion in total assets under management, or AUM, including $367.6 billion in fee-earning AUM, at the end of September 2025. The company has four main business segments: private credit ($391.5 billion in total AUM and $240.2 billion in fee-earning AUM), private equity, ($25.1 billion/$11.8 billion), real estate/real assets ($132.4 billion/$80.5 billion), and other alternatives ($46.7 billion/$35.1 billion). The firm primarily serves institutional investors (80% of AUM) and high-net-worth individuals (20%). Ares operates through more than 35 offices in over 15 countries around the globe.