Let's try to keep things straight please.From what I see, the 10/10 SEC 13G/A filing actually shows that Vanguard has reduced its stake (from earlier 10.4 %) ,see the earlier filing from May 10, 2019(link below). https://www.sec.gov/Archives/edgar/data/1166126/000114420419025145/0001144204-19-025145-index.htm