Fortius Ventures is a venture capital firm backing U.S. technology companies, including Series A and later-stage venture rounds. Its portfolio exposure spans AI and machine learning, cybersecurity, healthtech, fintech, SaaS, marketplaces, robotics, climate, and consumer internet, with life-sciences and biotechnology-related investments also represented. Portfolio companies include Turing, Chainguard, Mercor, Vivodyne, ClassDojo, and Underdog Fantasy.