4. New York University Number of billionaire alumni: 17
Total wealth: $68 billion
Located in lower Manhattan, it is a private, non-sectarian research university established in 1831. It boasts of 36 Nobel Prize laureates, 10 National Medal of Science awardees and 16 Pulitzer Prize winners. It has sites in more than a dozen locations around the world, allowing it to send its students abroad more than any other university.