| NATIONAL FISH AND WILDLIFE FOUNDATION | 521384139 | 2024-09-30 | $1.1M | SEABIRD RESTORATION ON MIDWAY ATOLL |
| NATIONAL PHILANTHROPIC TR | 237825575 | 2023-06-30 | $1.1M | ENVIRONMENT, ANIMALS |
| NATIONAL FISH AND WILDLIFE FOUNDATION | 521384139 | 2018-09-30 | $782K | Various Conservation Proj |
| NATIONAL FISH AND WILDLIFE FOUNDATION | 521384139 | 2025-09-30 | $693K | SEABIRD RESTORATION ON MIDWAY ATOLL |
| NATIONAL FISH AND WILDLIFE FOUNDATION | 521384139 | 2017-09-30 | $647K | Various Conserv Proj |
| NATIONAL FISH AND WILDLIFE FOUNDATION | 521384139 | 2023-09-30 | $620K | SEABIRD RESTORATION |
| NATIONAL FISH AND WILDLIFE FOUNDATION | 521384139 | 2019-09-30 | $564K | Various Conservation Proj |
| NATIONAL PHILANTHROPIC TR | 237825575 | 2022-06-30 | $525K | ENVIRONMENT, ANIMALS |
| NATIONAL FISH AND WILDLIFE FOUNDATION | 521384139 | 2016-09-30 | $443K | Var Convserv Proj |
| SANDLER FOUNDATION | 943147856 | 2016-06-30 | $300K | GENERAL SUPPORT |
| NATURE CONSERVANCY | 530242652 | 2023-06-30 | $273K | CONSERVATION ACTIVITIES |
| SANDLER FOUNDATION | 943147856 | 2017-06-30 | $250K | GENERAL SUPPORT |
| NATIONAL GEOGRAPHIC SOCIETY | 530193519 | 2019-12-31 | $240K | LEX |
| SANDLER FOUNDATION | 943147856 | 2018-06-30 | $200K | GENERAL SUPPORT |
| SANDLER FOUNDATION | 943147856 | 2019-06-30 | $200K | GENERAL SUPPORT |
| CONSERVATION INTERNATIONAL FOUNDATION | 521497470 | 2019-06-30 | $198K | ISLAND CONSERVATION IMPLEMENTATION GRANT; SAFEGUARDING BIODIVERSITY IN THE GALAPAGOS ISLANDS |
| SANDLER FOUNDATION | 943147856 | 2022-06-30 | $150K | GENERAL SUPPORT |
| SANDLER FOUNDATION | 943147856 | 2023-06-30 | $150K | GENERAL SUPPORT |
| VANGUARD CHARITABLE ENDOWMENT PROGRAM | 232888152 | 2024-06-30 | $113K | FOR RECIPIENT'S EXEMPT PURPOSE |