This investment, which will help Chainguard meet growing demand and accelerate its mission to make open source software trustworthy by default, follows the company's Series D fundraise in April and marks $636 million total secured in the past six months and $892 million in total.

Chainguard is the trusted source for open source. By delivering hardened, secure, and production-ready builds of all the open source software engineers rely on, Chainguard helps organizations build faster, stay compliant, and eliminate risk. Its customers include Fortune 500 enterprises and global industry leaders, including Anduril, Canva, Fortinet, Hewlett Packard Enterprise, Snap Inc., and Snowflake.