MotherDuck, builder of a serverless, easy to use data analytics platform based on open source database DuckDB, announced a $52.5 million round of funding. Led by Felicis, the round puts MotherDuck at a $400M post-money valuation and brings their total funding to date to $100M. New and existing investors like a16z, Madrona, Amplify Partners, Altimeter, Redpoint, Zero Prime, and more participated in the round as well.