Triangle Tweener Fund is a venture capital rolling fund backing early-stage startups headquartered in North Carolina, with a continued focus on the Research Triangle. It uses an index-style strategy, making many smaller equity investments each quarter, and has seed and Series A activity across B2B software, SaaS, analytics, AI, enterprise software and other NC startup sectors. Typical checks are about $50k, making it relevant for founders seeking early-stage capital in the North Carolina venture ecosystem.