I expect that the "hoarding money" is confined to the Ivy League Universities, and by the time you get to Texas A&M and the like they are desperately trying to get funds and have no spare money to hoard. It would be interesting to know the spread in funding.
It would be interesting to know the spread. Per U.S. News, here it is (2013 figures):
Harvard is #1 at $32B
Texas A&M is #8 at $8B