$XBI, the SPDR S&P Biotech ETF, has generated 59 mentions from 5 distinct FinTwit voices over the past 12 months, with the first mention appearing on March 20, 2026. The most recent activity occurred on July 7, 2026. @alphaticaio (Alphatica) dominates discussion of $XBI with 53 mentions, far exceeding other voices: @adamfeuerstein with 3 mentions, and @acinvestorblog, @alfcharts, and @yasutaketin each with 1 mention. The primary discussion category centers on long research analysis.