The top 10% of NIH grant winners (by total award) received about 37% of NIH funding in 2015—up from the 32% the top group got in 1985, but down a bit from a peak of 40% of total funding in 2010, according to an analysis published last week by researchers at the Berkman Klein Center for Internet & Society at Harvard University.

Source: Relatively few NIH grantees get lion’s share of agency’s funding | Science | AAAS