What are the biggest NYC tech startup funding rounds of December 2025?

In December 2025, several tech startups in New York City secured significant funding, reflecting a robust venture capital landscape. Octane, a fintech company specializing in financing solutions for recreational purchases, raised $50 million in a Series F round. Digital Asset, a blockchain firm, also secured $50 million in a corporate round to enhance its privacy-focused tools. Esusu, leveraging data for financial technology solutions, raised $50 million in a Series C round. Radial, a health tech startup addressing mental health treatments, garnered $50 million in a Series A round. PermitFlow, which simplifies construction permitting, raised $54 million in a Series B round. Zafran Security, focusing on cybersecurity, secured $60 million in a Series C round. Paradigm, enhancing clinical trial participation, raised $78 million in a Series B round. Adaptive Security, which offers cybersecurity training, secured $81 million in a Series B round. Loop AI Group, an enterprise AI company, raised $100 million in a venture round. Imprint, a financial platform, secured $150 million in a Series D round. Leading the pack, Eon, a cloud data management platform, raised $300 million in a Series D round, marking the largest funding round of the month.