The round was co-led by new investor 7wire Ventures and returning investor Lux Capital. Returning investors Sequoia Capital, Metrodora Ventures, Box Group, and Shrug Capital participated, with new participation from Pivotal Ventures, a Melinda French Gates company and Leaps by Bayer. Alfred Lin of Sequoia Capital, Deena Shakir of Lux Capital, Alyssa Jaffee of 7wire Ventures, and Chelsea Clinton of Metrodora Ventures are also joining the Summer board.

Launched in July 2022, Summer Health is the first step and ongoing tool for anyone navigating health concerns, offering timely text access to high-quality healthcare professionals who provide expert answers and reliable advice over text in 15 minutes, 24/7. The company is on a mission to radically simplify the healthcare experience for parents.