Institutional Interest Grows in SoFi Select 500 ETF Assetmark Inc. recently invested $28,000 in SoFi Select 500 ETF (SFY), highlighting growing institutional interest. Other firms, like FMR LLC and Fisher Asset Management, have also increased their stakes. SFY has shown steady performance with a market cap of $468.5 million and a 1-year price range of $87.90 to $115.21.1