2026-09-15T12:10:49-05:00 2025-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2025-01-01 824146882 Alexandra William Foundation % Foundation Source ALEX 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Younghee Kim Wait Treasurer 8008391754 2026-08-31 true Jeffrey D Haskell P01345770 8008391754 2025 X 4208780 X 0 X 629 629 34107 34107 250155 411089 364567 284891 399303 0 3590 17986 17986 21576 0 17986 117000 117000 138576 0 134986 146315 399303 0 132859 139814 139814 1294430 1433790 4068966 1427289 1573604 4208780 0 0 X 1427289 1573604 1427289 1573604 1427289 1573604 1427289 146315 1573604 1573604 Publicly-traded Securities 411089 46522 364567 364567 364567 5550 5550 5550 2200 0 3400 5600 X 0 50 50 0 false false false false false false false true true DE true false false false false true Foundation Source 8008391754 501 Silverside Road Suite 123 Wilmington DE 198091377 false false false false false false false false false false false false false false false false false false false false false Younghee Kim Wait Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Pres, Treas 20.0 0 0 0 Alexandra Wait Foundation Source 501 Silverside Rd Wilmington DE 198091377 Sec 4.0 0 0 0 3514623 132499 0 3647122 0 3647122 54707 3592415 179621 179621 5550 5550 174071 174071 174071 134986 0 0 0 0 134986 174071 107040 2023 2022 2021 134986 107040 27946 0 0 146125 0 0 Younghee Kim Wait X AMERICAN COMPOSERS ORCHESTRA INC 244 5TH AVE FL 2 NEW YORK NY 10001 N/A PC General & Unrestricted 1000 ASIA SOCIETY 725 PARK AVE NEW YORK NY 10021 N/A PC in support of Intl arts and cultural council and Game changer event 28000 CHAPIN SCHOOL LTD 100 E END AVE NEW YORK NY 10028 N/A PC Annual Fund 1000 CHARITIES AID FOUNDATION AMERICA 225 REINEKERS LN STE 375 ALEXANDRIA VA 22314 N/A PC Gesellschaft der Freunde von Bayreuth 12000 CORNELL UNIVERSITY 1 CENTRAL AVE ITHACA NY 14853 N/A PC Exhibition support 10000 COUNCIL ON FOREIGN RELATIONS INC 58 E 68TH ST NEW YORK NY 10065 N/A PC Annual Fund 5000 FRICK COLLECTION 1 E 70TH ST NEW YORK NY 10021 N/A PC Funds for Frick, and the contributing Fellows program 10000 GREEN BOX ARTS PROJECT PO BOX 1 GREEN MTN FLS CO 80819 N/A PC General & Unrestricted 1000 HEARTBEAT OPERA LTD 225 LINCOLN PL APT 4A BROOKLYN NY 11217 N/A PC General & Unrestricted 2500 MEMORIAL SLOAN-KETTERING CANCER CENTER The Societ PO BOX 27106 NEW YORK NY 10087 N/A PC General & Unrestricted 10000 METROPOLITAN OPERA ASSOCIATION INC 30 LINCOLN CENTER PLZ NEW YORK NY 10023 N/A PC General & Unrestricted 12500 NEW MUSEUM OF CONTEMPORARY ART 235 BOWERY NEW YORK NY 10002 N/A PC General & Unrestricted 10000 SAINT DAVIDS SCHOOL 12 E 89TH ST NEW YORK NY 10128 N/A PC Annual Fund 1000 THE METROPOLITAN MUSEUM OF ART 1000 FIFTH AVE NEW YORK NY 10028 N/A PC Friends of Asian art and Friends of Islamic Arts 11000 THE METROPOLITAN MUSEUM OF ART 1000 FIFTH AVE NEW YORK NY 10028 N/A PC Women and the Critical Eyes 1000 TRUSTEES OF DEERFIELD ACADEMY PO BOX 87 DEERFIELD MA 01342 N/A PC Annual Fund 1000 117000 14 629 14 34107 18 250155 284891 284891 false false false false false false false false false false ALPHABET INC CL A 100765 532100 ALPHABET INC CL C 64759 345180 APPLE INC 95142 467599 BERKSHIRE HATHAWAY INC. CLASS 100147 172912 BLACKROCK INC 134343 321102 GOLDMAN SACHS GROUP 149576 659250 INTUITIVE SURGICAL 100468 299038 ISHARES GLOBAL TECH 54993 210000 JPMORGAN U.S. TECH LEADERS ETF 100571 99981 META PLATFORMS INC 98839 399354 NVIDIA CORP 159354 217646 SPDR GOLD SHARES 99538 101059 SPDR S&P AEROSPACE AND DEFENSE 75110 137507 VANECK SEMICONDUCTOR ETF 100185 106238 Administrative Fees 17961 17961 State or Local Filing Fees 25 25 990-PF Estimated Tax for 2025 2200 990-PF Excise Tax for 2024 1390