Here are specific numbers, 2018, for Wall Street Banks, and both Cornell and Yale appear on this list. This particular data shows Cornell to be stronger than Yale for recruitment lately in international banking/ Wall street. Cornell is the bigger and more quantitative school of the three options. For recruitment for EE positions, Cornell has even more appeal on the west coast, on most top high tech recruitment lists.
For electrical engineering, Cornell is ranked 9, Yale is ranked 38.
Right now, Yale and U Mass Amherst are tied at rank 20 for CS. Cornell and UW Seattle tied at rank 6. Those are PhD ranks that reflect the type of CS research going on at these schools.
Here is some data on recruiting by larger banks at Yale and Cornell
https://poetsandquantsforundergrads.com/2018/05/21/top-feeder-schools-to-wall-street/