SandboxAQ Closes $450 Million Series E Round with Expanded Investor Base

SandboxAQ closed its Series E financing at more than $450 million, expanding the round first disclosed in December 2024 with new investors including Ray Dalio, Horizon Kinetics, Google, BNP Paribas, and NVIDIA. The expanded round brought SandboxAQ's total funding since its 2022 spinout from Alphabet to over $950 million, at a $5.75 billion valuation. SandboxAQ builds Large Quantitative Models (LQMs), physics-based AI systems used in drug discovery, materials science, and cybersecurity. Parkway Venture Capital, an existing investor, participated in the expanded round.

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