$HEI received 4 mentions across 12 months from 3 distinct FinTwit voices, with the first mention appearing on 2026-01-15 and the most recent on 2026-05-16. @investmentguru_ generated the highest mention count with 2 references, while @jasonl_capital and @jerrycap each contributed 1 mention. The ticker appeared primarily in long research discussions focused on space economy and aerospace ecosystem positioning.