Delineating a robust investment matrix in the AI start-up ecosystem from 1907 to 2024, this paper highlights key financiers like Sequoia Capital and Softbank. Dominant sectors receiving support include Biotechnology, Cloud Computing, and Generative AI, with a noticeable trend toward Web3 and NLP technologies. The network map emphasizes the dynamic interplay between established venture groups, accelerators, and government-backed entities, underscoring their vital role in nurturing innovation within this high-growth industry.