Interactive Brokers Group 

Interactive Brokers Group, Inc. operates as a sophisticated electronic brokerage, serving clients across the United States and globally. This firm manages the trading, clearing, and settlement for a broad spectrum of financial instruments, including equities, options, futures, foreign exchange, bonds, mutual funds, exchange-traded funds (ETFs), precious metals, and digital currencies. Beyond its core brokerage activities, the company provides custodial and administrative account services tailored for various entities such as hedge funds, mutual funds, ETFs, registered investment advisors, proprietary trading desks, introducing brokers, and individual investors. Its suite of services also includes custody solutions, prime brokerage, and financing options like securities lending and margin lending. Interactive Brokers caters to both institutional and individual clientele, utilizing advanced electronic exchanges and market platforms. The company was established in 1977 and maintains its headquarters in Greenwich, Connecticut.