Stash is a financial services company that provides a mobile app designed to help users save and invest money. The app offers a range of investment options, including stocks, bonds, and exchange-traded funds, and allows users to invest with as little as $5. Stash was founded in 2015 by Brandon Krieg and Ed Robinson, and is headquartered in New York, New York. The company has raised over $300 million in funding and has over 5 million users.