According to research by global analysts Wealth-X, Oxford counts 401 ultra high net worth (UHNW) individuals among its alumni population with a total net worth of USD 51 billion and each individual's average net worth around USD 127 million.
An UHNW individual is classed as having a net worth of at least USD 30 million after accounting for shares in public and private companies, residential and investment properties, art collections, aircraft, cash and other assets.
Although Cambridge, by comparison, has a smaller number of very rich graduates - 361 - their average net worth is greater at USD 258 million and their total net worth is almost double at USD 93 billion.
From Cambridge, 70 per cent of the richest alumni can claim to have forged their own wealth while 13 per cent have inherited their money.
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Wealth-X researched the wealthiest alumni from 20 British universities and found that the London School of Economics (LSE), Imperial College London and London Business School (LBS) also boasted a high number of rich graduates.
The University of Birmingham had the highest percentage of self-made wealthy alumni at 84 per cent.
The average net worth of Birmingham's rich graduates was USD 106 million.
The University of Edinburgh had the highest percentage of alumni who had inherited their wealth, at 26 per cent.
Most of the universities that made the wealth stakes cut were from the Russell Group, which represents the UK's top 24 universities.