InvestmentsTop Global NewsMarketsReal Estate Saudi Aramco IPO’s institutional tranche oversubscribed: source By financialnews_rlv83x - November 21, 2019 0 283 The institutional tranche of Saudi Aramco’s initial public offering (IPO) has received more than 64 billion riyals (US$17.1 billion) in orders, Saudi-owned news channel Al-Arabiya said on Thursday, citing a banking source.