According to https://president.mit.edu/speeches-writing/federal-funding-priorities-and-mits-budget https://president.mit.edu/speeches-writing/federal-funding-p.

According to https://president.mit.edu/speeches-writing/federal-funding-priorities-and-mits-budget https://president.mit.edu/speeches-writing/federal-funding-p... "we rely on federal funding for 66% of our campus research support"