Founded in 2010 by Brad Keywell and Eric Lefkofsky, Lightbank focuses on pre-seed, seed, and Series A opportunities, providing initial checks ranging from $250k to $5m. With a portfolio of over 150 companies, including Tempus, Udemy, and Fiverr, Lightbank invests in sectors such as consumer, enterprise, healthcare, crypto, fintech, and climate. The fund has a preference for startups aged 2-3 years and has a track record of committing exits more frequently than other firms. Lightbank typically invests in rounds with 4-5 participants and has been involved in 13-24 deals per year.