| GATES FOUNDATION | SEATTLE, WA | large program funder | 5 |
| JOHNS HOPKINS UNIVERSITY | BALTIMORE, MD | program funder | 4 |
| CONRAD N HILTON FOUNDATION | WESTLAKE VLG, CA | large program funder | 3 |
| FAMILY HEALTH INTERNATIONAL | DURHAM, NC | program funder | 3 |
| GEORGETOWN UNIVERSITY | WASHINGTON, DC | program funder | 3 |
| PATH | SEATTLE, WA | program funder | 3 |
| BURKEHAVEN FAMILY FOUNDATION | WEST ROXBURY, MA | program funder | 2 |
| CORNELL UNIVERSITY | ITHACA, NY | program funder | 2 |
| GEORGE WASHINGTON UNIVERSITY | ASHBURN, VA | program funder | 2 |
| JOHN D & CATHERINE T MACARTHUR FOUNDATION | CHICAGO, IL | large program funder | 2 |
| JSI RESEARCH & TRAINING INSTITUTE INC | NORWOOD, MA | program funder | 2 |
| PRESIDENT AND FELLOWS OF HARVARD COLLEGE | CAMBRIDGE, MA | program funder | 2 |
| THE ADMINISTRATORS OF THE TULANE EDUCATIONAL FUND | NEW ORLEANS, LA | program funder | 2 |
| TRUSTEES OF BOSTON UNIVERSITY | BOSTON, MA | program funder | 2 |
| TRUSTEES OF COLUMBIA UNIVERSITY | NEW YORK, NY | program funder | 2 |
| WELLSPRING PHILANTROPIC FUND INC | NEW YORK, NY | program funder | 2 |
| WILLIAM & FLORA HEWLETT FOUNDATION | MENLO PARK, CA | large program funder | 2 |
| ACMG FOUNDATION FOR GENETIC AND GENOMIC MEDICINE | BETHESDA, MD | program funder | 1 |
| ACORN FOUNDATION | CHICAGO, IL | program funder | 1 |
| ADIRONDACK TR COMPANY COMMUNITY FUND | SARATOGA SPGS, NY | program funder | 1 |
| AFTAB AND GUL CUMBER FAMILY FOUNDATION INC | CORAL SPRINGS, FL | program funder | 1 |
| AIDS VACCINE ADVOCACY COALITION INC | NEW YORK, NY | program funder | 1 |
| ALLIANCE FOR CLINICAL TRIALS IN ONCOLOGY FOUNDATION | CHICAGO, IL | program funder | 1 |
| ALLIANCE NCTN FOUNDATION | CHICAGO, IL | program funder | 1 |
| ALLIBHOY-KHAISHGI FAMILY FOUNDATION | WASHINGTON, DC | program funder | 1 |