Looking today at week-over-week shares outstanding changes among the universe of ETFs covered at ETF Channel, the largest inflow was seen in the SPDR S&P 500 ETF (SPY), which added 46,250,000 shares, or a 6.3% increase week over week. And on a percentage change basis, the ETF with the largest increase in inflows was the Morningstar Wide Moat Research ETF (MOAT), which added 1,300,000 shares, for a whopping 41.3% increase in outstanding shares.