IBKR vs NTRS 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 170 electronic exchanges, 40 countries, and 29 currencies, Interactive Brokers caters to a global clientele, with more than 80% of active accounts sitting outside the US.

Northern Trust is a leading provider of wealth management, asset servicing, asset management, and banking to corporations, institutions, affluent families, and individuals. Founded in Chicago in 1889, Northern Trust has offices in 20 states and Washington, D.C. as well as 23 locations in Canada, Europe, the Middle East, and Asia-Pacific. As of December 2025, Northern Trust had assets under custody or administration of $18.7 trillion and assets under management of $1.8 trillion.