Comparing units outstanding versus one week ago at the coverage universe of ETFs at ETF Channel, the biggest inflow was seen in the iShares Silver Trust (SLV), which added 7,200,000 units, or a 1.2% increase week over week. VIDEO: SLV, FCPI: Big ETF Inflows The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc. And on a percentage change basis, the ETF with the biggest increase in inflows was the FCPI ETF (FCPI), which added 1,900,000 units, for a 39.2% increase in outstanding units.