This is only about research. Overall Columbia and Wharton are definitely top 10.
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3961001
TOP 25
1 Harvard University
2 University Of Chicago
3 University Of California, Berkeley
4 MIT
5 Duke University
6 Yale University
7 Stanford University
8 Cornell University
9 New York University
10 Ohio State University, Columbus
11 Northwestern Univeristy
12 Dartmouth College
13 Washington University In St. Louis
14 London Business School
15 University Of California, Los Angeles
16 California Institute Of Technology
17 University Of North Carolina
18 Columbia University
19 Princeton University
20 University Of Michigan, Ann Arbor
21 Wharton School Of The University Of Pennsylvania
22 Boston College
23 University Of California, San Diego
24 University Of California, Irvine
25 Rice University
NEXT 25
26 Georgia State University
27 University Of Texas At Austin
28 University Of Geneva
29 Indiana University
30 Carnegie Mellon University
31 Purdue University
32 University Of Minnesota
33 University Of Washington, Seattle
34 University Of Virginia
35 London School Of Economics
36 University Of California, Davis
37 University Of Oxford
38 Tilburg University
39 HEC Paris
40 University Of British Columbia
41 University Of Maryland
42 INSEAD
43 Arizona State University
44 University Of Rochester
45 Georgia Institute Of Technology
46 National University Of Singapore
47 University Of New South Wales
48 University Of Lausanne
49 Georgetown University
50 University Of Miami