The venture capital landscape in September 2026 saw significant activity across various sectors, with several startups securing substantial funding rounds. Leading the list, Higgsfield raised $400 million in a Series B round to advance its AI-powered image and video creation tools. Meanwhile, Groq and Atlantic Alumina each secured $350 million, focusing on AI inference infrastructure and aluminum manufacturing, respectively.
Mariana Minerals, a company developing mineral projects for AI and energy applications, closed a $310 million Series B round. Volta, an AI infrastructure platform, raised $300 million in Series A funding. Additionally, Wispr Flow secured $280 million in Series B funding to support its AI-powered voice dictation technology.
A group of companies, including Starcloud, Neros Technologies, Muon Space, Instinct, and Horizon3.ai, each raised $250 million. These firms operate in diverse fields ranging from space-based data centers and drone defense technology to autonomous penetration testing and AI development. The funding rounds highlight continued investor interest in AI, aerospace, and robotics.
Owner, a technology provider for local restaurants, raised $240 million in a Series D round. Furthermore, Gatik, Generalist AI, and Sonablate each secured $200 million. These companies focus on autonomous trucking, robotics for physical tasks, and medical device technology, respectively, rounding out the list of the largest funding deals for the month.
