Looking at units outstanding versus one week prior within the universe of ETFs covered at ETF Channel, the biggest outflow was seen in the iShares Russell 2000 ETF, where 19,650,000 units were destroyed, or a 5.9% decrease week over week. Among the largest underlying components of IWM, in morning trading today Insmed is off about 1.5%, and Ftai Aviation is lower by about 0.7%.