"The report comes from Open the Books, an organization that aims to make public spending more transparent. It concluded that in the six fiscal years between 2010 and 2015, a full $41.59 billion of the Ivy League’s money could be traced back to taxpayer-funded payments and benefits."
https://www.thedp.com/article/2017/04/ivy-league-tax-report
https://www.thedp.com/article/2017/04/ivy-league-tax-report