Neion Bio is a New York biotech company that genetically engineers chicken eggs into factories for complex biologic drugs. Its Raptor platform aims to make monoclonal antibodies and other glycosylated proteins at a fraction of the capital cost and carbon footprint of conventional cell-culture bioreactors. Founded in 2024 and emerged from stealth in March 2026, the company raised an oversubscribed $23 million Series A in June 2026 and signed an early multi-product biosimilar deal with a major global pharmaceutical company.
Nilo Therapeutics is a New York-based biotechnology company developing a new class of medicines that target the brain-body neural circuits regulating the immune system. Building on discoveries that identified specific vagal neurons controlling systemic inflammation, Nilo aims to restore immune homeostasis centrally rather than broadly suppress the immune system, offering a differentiated approach to treating autoimmune and inflammatory disease. The company launched out of stealth in October 2025 with a $101 million Series A.
Excelsior Sciences is a New York City biotech building 'machine-native chemistry' - a way to make small molecules that machines can execute and AI can learn from. Its proprietary smart bloccs platform turns drug synthesis into a modular, automation-friendly, iterative process, closing the loop between AI-driven discovery and real-world manufacturing. Founded in 2024 and spun out of Deerfield Management, the company raised $95M in late 2025 to scale the platform and reshore U.S. drug discovery and production.