"… For the 2017-2018 school year, Penn had a transfer acceptance rate of 8.14 percent and took in 221 out of the 2,715 students who applied. It only came second to Cornell University, which had an acceptance rate of 17.89 percent and accepted 852 students out of 4,762 applicants.
Other Ivy League schools, including Brown University, Yale University, and Harvard University, not only accepted less than 3 percent of its applicants, but also only yielded less than 2,000 applicants." …
https://www.thedp.com/article/2018/09/transfer-students-upenn-philly-ivy-league-colleges