The round was led by Warburg Pincus, a leading global growth equity firm, with additional investments from B Capital and Foresite Capital. Aetion's existing backers New Enterprise Associates (NEA) and Flare Capital Partners also joined the round. Aetion has raised a total of $212 million to date. The capital infusion supports Aetion's continued growth and industry leadership in the real-world evidence (RWE) space. In the last year alone, Aetion nearly doubled revenue and secured 100 percent of customer renewals while establishing valuable industry collaborations. Aetion became the first RWE company to establish an FDA COVID-19 research collaboration agreement and was selected by ICER as its preferred RWE partner and platform.

Aetion delivers real-world evidence for the manufacturers, purchasers, and regulators of medical treatments and technologies. The Aetion Evidence Platform® analyzes data from the real world to produce transparent, rapid, and scientifically validated answers on safety, effectiveness, and value. Founded by Harvard Medical School faculty members with decades of experience in epidemiology and health outcomes research, Aetion informs health care's most critical decisions-what works best, for whom, and when-to guide product development, commercialization, and payment innovation.