| 1 (269) | Institute for Advanced Study | USA |  |
| 2 (354) | Perimeter Institute for Theoretical Physics | CAN | |
| 3 (410) | Simons Foundation | USA | |
| 4 (415) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 5 (430) | Carnegie Institution for Science * | USA | |
| 6 (475) | Woods Hole Oceanographic Institution | USA | |
| 7 (523) | Universities Space Research Association | USA | |
| 8 (576) | SETI Institute | USA | |
| 9 (580) | Southwest Research Institute | USA | |
| 10 (600) | Santa Fe Institute | USA | |
| 11 (633) | Space Science Institute | USA | |
| 12 (672) | Gemini Observatory | USA | |
| 13 (717) | Planetary Science Institute | USA | |
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