BigBear.ai
BigBear.ai Holdings, Inc. (NYSE: BBAI) was officially removed from several key Russell indexes, including the Russell 3000E and Russell Microcap, effective June 27, 2026. This exclusion from major benchmarks is expected to shift the company's investor profile by reducing passive fund ownership and potentially impacting stock liquidity. Market analysts suggest this development may pressure the stock's valuation as it adjusts to a new trading environment focused on active institutional sentiment rather than index--driven inflows.