 The Vanguard Health Care Fund Trades, Portfolio disclosed in a regulatory filing that its top trades during the third quarter included the closure of its positions in Viatris Inc. VTRS , Financial and Universal Health Services UHS , Financial, a reduction to its holding in Vertex Pharmaceuticals Inc. VRTX , Financial, a new holding in GSK PLC LSE:GSK , Financial and a boost to its holding in DexCom DXCM , Financial. 