GPC vs IBKR Comparison

Genuine Parts sells aftermarket automotive parts (60% of sales) and industrial products (40% of sales) in the United States and internationally. The automotive segment primarily acts as a distributor to its network of 9,800 global retail locations, of which about two-thirds are independently owned and operated. We estimate Genuine serves around 6,000 retail locations in the US operating under the Napa Auto Parts brand, with about 80% of end-market sales derived from professional customers. Its industrial segment, primarily operating under the Motion name in the United States, is a leading distributor of bearings, power transmission, and other industrial products to more than 200,000 maintenance, repair, and original equipment manufacturer customers.

Interactive Brokers is a large, automated, retail and institutional brokerage that boasted nearly $570 billion in customer equity at the end of 2024. 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 market.