MarketAxess Holdings Inc. (NASDAQ:MKTX) is a New York-based financial technology company that allows institutional investors and credit brokers to trade in credit instruments and financial products via its electronic trading platform. As of Q3 2021, Lakehouse Capital holds a $12.5 million stake in MarketAxess Holdings Inc. (NASDAQ:MKTX), which represents 7.1% of the firm's total investments.