| 2025 | Jewish Community Federation of San Francisco the Peninsula Marin & Sonoma | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $125,000 | paid | HEALTH | 202621349349313567 |
| 2025 | American Online Giving Foundation Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $26,087 | paid | GENERAL SUPPORT | 202641969349302754 |
| 2025 | Fidelity Investments Charitable Gift Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $14,150 | paid | For grant recipient's exempt purposes | 202601389349301700 |
| 2025 | Donor Advised Charitable Giving Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $13,750 | paid | HEALTH | 202611199349300601 |
| 2025 | Vanguard Charitable Endowment Program | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $6,500 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202621329349306657 |
| 2025 | American Online Giving Foundation Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $5,259 | paid | GENERAL SUPPORT | 202533509349301608 |
| 2025 | The William and Alice Mortensen Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | B | $5,000 | paid | PROGRAM ASSISTANCE | 202601329349104035 |
| 2025 | Northwest Community Bank Foundation Inc | Cornelia de Lange Syndrome (cdls) Foundation Avon, CT | C | $1,000 | paid | The CdLS Foundation Helpline | 202601289349102255 |
| 2025 | The Scott M Panzer Foundation Inc | Cornelia de Lange Syndrome Foundation 06-1057497 Avon, CT | C | $500 | paid | SUPPORT FOR SYNDROME | 202631959349100323 |
| 2025 | Mankad Family Foundation | Cornelia Delange Syndrome Foundatio Avon, CT | D | $59 | paid | Education and research for Cornelila De Lange Syndrome a genetic disease | 202610659349100401 |
| 2024 | Jewish Community Federation of San Francisco the Peninsula Marin & Sonoma | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $31,000 | paid | HEALTH | 202531349349310023 |
| 2024 | American Online Giving Foundation Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $28,251 | paid | GENERAL SUPPORT | 202530159349302758 |
| 2024 | The Ayco Charitable Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $22,250 | paid | MEDICAL / PUBLIC SERVICES | 202543109349303959 |
| 2024 | Donor Advised Charitable Giving Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $13,260 | paid | HEALTH | 202541069349300729 |
| 2024 | Fidelity Investments Charitable Gift Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $11,425 | paid | For grant recipient's exempt purposes | 202521349349310887 |
| 2024 | Amg Charitable Gift Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | A | $10,000 | paid | MEDICAL & HEALTH | 202533169349307783 |
| 2024 | Amg Charitable Gift Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | A | $10,000 | paid | MEDICAL & HEALTH | 202533169349307783 |
| 2024 | Equitable Foundation Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $9,020 | paid | GENERAL CONTRIBUTION | 202533189349104723 |
| 2024 | The William and Alice Mortensen Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | B | $4,500 | paid | PROGRAM ASSISTANCE | 202541349349103189 |
| 2024 | Jpmorgan Chase Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $100 | paid | MATCHING CONTRIBUTION (GENERAL OPERATING SUPPORT) | 202531699349100608 |
| 2024 | The Pfizer Foundation Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $80 | paid | VOLUNTEER PROGRAM | 202503119349101850 |
| 2024 | The Pfizer Foundation Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $80 | paid | MATCHING GIFTS | 202503119349101850 |
| 2023 | Jewish Community Federation of San Francisco the Peninsula Marin & Sonoma | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $251,900 | paid | HEALTH | 202431369349314563 |
| 2023 | American Online Giving Foundation Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $31,264 | paid | GENERAL SUPPORT | 202410469349300741 |
| 2023 | Schwab Charitable Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $17,528 | paid | HEALTH | 202411039349301716 |
| 2023 | The Ayco Charitable Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $15,250 | paid | MEDICAL / PUBLIC SERVICES | 202413109349304401 |
| 2023 | Amg Charitable Gift Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | A | $15,000 | paid | MEDICAL & HEALTH | 202433199349309788 |
| 2023 | Fidelity Investments Charitable Gift Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $12,175 | paid | For grant recipient's exempt purposes | 202441369349301334 |
| 2023 | The US Charitable Gift Trust | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $11,000 | paid | FOR RECIPIENT'S EXEMPT PURPOSE | 202431319349304428 |
| 2023 | Amg Charitable Gift Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | A | $5,000 | paid | MEDICAL & HEALTH | 202433199349309788 |
| 2023 | The William and Alice Mortensen Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | B | $5,000 | paid | PROGRAM ASSISTANCE | 202401369349103850 |
| 2023 | Good Old Lew Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | B | $4,000 | paid | GENERAL OPERATIONS | 202412219349101511 |
| 2023 | Amazonsmile Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $3,877 | paid | GENERAL SUPPORT | 202540919349100629 |
| 2023 | Jpmorgan Chase Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $300 | paid | GENERAL OPERATING SUPPORT | 202443059349101309 |
| 2023 | The Bank of America Charitable Foundation Inc | Cornelia de Lange Syndrome Founda Avon, CT | C | $175 | paid | PROGRAM/OPERATING SUPPORT | 202411309349100126 |
| 2022 | Jewish Community Federation of San Francisco the Peninsula Marin & Sonoma | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $140,000 | paid | HEALTH | 202341349349301209 |
| 2022 | American Online Giving Foundation Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $46,261 | paid | GENERAL SUPPORT | 202340469349301209 |
| 2022 | Schwab Charitable Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $15,350 | paid | HEALTH | 202330939349300403 |
| 2022 | Fidelity Investments Charitable Gift Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $13,370 | paid | For grant recipient's exempt purposes | 202430459349302913 |
| 2022 | Fidelity Investments Charitable Gift Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $13,370 | paid | For grant recipient's exempt purposes | 202321309349304807 |
| 2022 | The William and Alice Mortensen Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | B | $12,624 | paid | PROGRAM ASSISTANCE | 202341329349100314 |
| 2022 | The Ayco Charitable Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $10,250 | paid | MEDICAL / PUBLIC SERVICES | 202302859349302265 |
| 2022 | Amazonsmile Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $5,633 | paid | GENERAL SUPPORT | 202313119349100141 |
| 2022 | Amg Charitable Gift Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | A | $5,000 | paid | MEDICAL | 202303189349315165 |
| 2022 | Amg Charitable Gift Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | A | $5,000 | paid | MEDICAL | 202303189349315165 |
| 2022 | Amg Charitable Gift Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | A | $5,000 | paid | MEDICAL | 202433199349308763 |
| 2022 | Amg Charitable Gift Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | A | $5,000 | paid | MEDICAL | 202433199349308763 |
| 2022 | The Navesink Foundation C/O Tripar | Cornelia de Lange Syndrome Foundation Avon, CT | B | $350 | paid | CHARITABLE CONTRIBUTION - FAMILY SUPPORT ORGANIZATION THAT EXISTS TO ENSURE EARLY DIAGNOSIS OF CDLS | 202303189349104680 |
| 2022 | Jpmorgan Chase Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $200 | paid | GENERAL OPERATING SUPPORT | 202322839349100212 |
| 2022 | The Bank of America Charitable Foundation Inc | Cornelia de Lange Syndrome Foundat Avon, CT | C | $175 | paid | PROGRAM/OPERATING SUPPORT | 202301309349101020 |
| 2022 | The Phileona Foundation | Cornelia de Lange Syndrome (cdls) Foundation Avon, CT | C | $100 | paid | GENERAL CHARITABLE | 202312279349101016 |
| 2021 | American Online Giving Foundation Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $33,073 | paid | GENERAL SUPPORT | 202240469349301419 |
| 2021 | American Legion Child Welfare Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $26,500 | paid | GENERAL SUPPORT | 202201369349315885 |
| 2021 | Jewish Community Federation of San Francisco the Peninsula Marin & Sonoma | Cornelia de Lange Syndrome Foundation Inc Aka Cdls Foundation Avon, CT | A | $16,160 | paid | HEALTH | 202241369349307274 |
| 2021 | Schwab Charitable Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $10,450 | paid | HEALTH | 202230499349301028 |
| 2021 | Fidelity Investments Charitable Gift Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $9,495 | paid | For grant recipient's exempt purposes | 202221339349302787 |
| 2021 | The Harry E Goldfarb Family Foundation Inc | Cornelia Delange Syndrome Foundation Avon, CT | C | $1,000 | paid | DONATION | 202102799349100800 |
| 2021 | Hometown Bank Community Foundation Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $500 | paid | EXEMPT PURPOSE | 202200839349100110 |
| 2021 | The Bank of America Charitable Foundation Inc | Cornelia de Lange Syndrome Foundat Avon, CT | C | $437 | paid | OPERATIONAL SUPPORT | 202221309349101737 |
| 2021 | The Bank of America Charitable Foundation Inc | Cornelia de Lange Syndrome Foundat Avon, CT | C | $175 | paid | OPERATIONAL SUPPORT | 202221309349101737 |
| 2021 | Jpmorgan Chase Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $106 | paid | GENERAL OPERATING SUPPORT | 202232809349100618 |
| 2021 | The Bank of America Charitable Foundation Inc | Cornelia de Lange Syndrome Foundat Avon, CT | C | $50 | paid | OPERATIONAL SUPPORT | 202221309349101737 |
| 2020 | Jewish Community Federation of San Francisco the Peninsula Marin & Sonoma | Cornelia de Lange Syndrome Foundation Inc Aka Cdls Foundation Avon, CT | A | $200,250 | paid | HEALTH | 202131339349306198 |
| 2020 | American Online Giving Foundation Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $34,535 | paid | GENERAL SUPPORT | 202120469349300002 |
| 2020 | The Ayco Charitable Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $18,250 | paid | MEDICAL | 202100749349301125 |
| 2020 | The Ayco Charitable Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $10,500 | paid | MEDICAL / PUBLIC SERVICES | 202142929349301604 |
| 2020 | Schwab Charitable Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $10,100 | paid | HEALTH | 202140489349301804 |
| 2020 | Advisors Charitable Gift Fund | Cornelia de Lange Syndrome Foundation Avon, CT | A | $10,000 | paid | General Support | 202110579349301241 |
| 2020 | Fidelity Investments Charitable Gift Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $7,650 | paid | For grant recipient's exempt purposes | 202121359349300427 |
| 2020 | Amg Charitable Gift Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | A | $5,000 | paid | MEDICAL | 202113199349300706 |
| 2020 | Amg Charitable Gift Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | A | $5,000 | paid | MEDICAL | 202113199349300706 |
| 2020 | The William and Alice Mortensen Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | B | $4,468 | paid | PROGRAM ASSISTANCE | 202123199349105917 |
| 2020 | The William and Alice Mortensen Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | B | $4,468 | paid | PROGRAM ASSISTANCE | 202201669349100130 |
| 2020 | Amazonsmile Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $3,583 | paid | GENERAL SUPPORT | 202113199349100901 |
| 2020 | The Bessemer Giving Fund C/O Bessemer Trust Company Trustee | Cornelia de Lange Syndrome Foundation Avon, CT | A | $2,500 | paid | GENERAL SUPPORT | 202133159349302533 |
| 2020 | Jpmorgan Chase Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $1,200 | paid | GENERAL OPERATING SUPPORT | 202122529349101012 |
| 2020 | The Navesink Foundation C/O Tripar | Cornelia de Lange Syndrome Foundation Avon, CT | B | $500 | paid | CHARITABLE CONTRIBUTION - FAMILY SUPPORT ORGANIZATION THAT EXISTS TO ENSURE EARLY DIAGNOSIS OF CDLS | 202113159349101791 |
| 2020 | Aetna Foundation Inc | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $50 | paid | GENERAL PURPOSE | 202113199349104976 |
| 2019 | American Legion Child Welfare Foundation | Cornelia de Lange Syndrome Foundation Avon, CT | A | $21,258 | paid | General Support | 202041369349305004 |
| 2019 | Schwab Charitable Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $11,000 | paid | HEALTH | 202010489349300101 |
| 2019 | The Phileona Foundation | Cornelia de Lange Syndrome Foundation Inc Avon, CT | B | $250 | paid | GENERAL CHARITABLE | 202022309349100812 |
| 2019 | The Bank of America Charitable Foundation Inc | Cornelia de Lange Syndrome Foundati Avon, CT | C | $175 | paid | PROGRAM/OPERATING SUPPORT | 202001499349100200 |
| 2018 | Schwab Charitable Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $10,000 | paid | HEALTH & HUMAN SERVICES | 201930459349302018 |
| 2018 | Fidelity Investments Charitable Gift Fund | Cornelia de Lange Syndrome Foundation Inc Avon, CT | A | $5,700 | paid | FOR GRANT RECIPIENT'S EXEMPT PURPOSES | 201931359349301478 |
| 2018 | The Bank of America Charitable Foundation Inc | Cornelia de Lange Syndrome Foundati Avon, CT | C | $175 | paid | PROGRAM/OPERATING SUPPORT | 201931349349102143 |
| 2018 | The Bank of America Charitable Foundation Inc | Cornelia de Lange Syndrome Foundati Avon, CT | C | $50 | paid | PROGRAM/OPERATING SUPPORT | 201931349349102143 |