"Mega" might be overstating the idea but sure, why not https://www.chronicle.com/interactives/Trend19-MegaU-Main
Just as an editorial point, here's a list of the real mega-universities https://en.wikipedia.org/wiki/List_of_largest_universities_and_university_networks_by_enrollment
This is not a good list because it includes entire university systems that consist of independent colleges accredited separately. When you're accepted to one, you're not accepted to all.
