At-Bay has raised a total of $258 million in funding across several rounds. The company secured $6 million in its Seed round in November 2017, followed by $13 million in Series A in May 2018 and $34 million in Series B in February 2020. At-Bay later raised $185 million in July 2021 and an additional $20 million in October 2021, both as part of its Series D funding round, which brought its valuation to $1.35 billion. With consistent backing from investors like Lightspeed Venture Partners and Khosla Ventures, At-Bay continues its funding momentum in the cyber-insurance sector.