Boom Supersonic, founded in 2014 in Denver, has raised $700 million across multiple funding rounds, reaching a $1 billion valuation by December 2020. The company’s investors include American Express Ventures, Y Combinator, Prime Movers Lab, and NEOM. Its latest Series B round in November 2023 added strategic capital to advance the production of Overture, its supersonic passenger jet. Boom Supersonic is reshaping commercial aviation by combining aerodynamics, sustainable fuels, and lightweight materials to achieve faster, eco-conscious air travel.