2026-06-25T13:27:57-04:00 2025-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2025-01-01 272782745 Alice Rowan Swanson Foundation % Foundation Source ALIC 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Brian Swanson President 8008391754 2026-06-22 true Jeffrey D Haskell P01345770 8008391754 2025 2025-03-06 01:10:19Z X 2350134 X 0 X 5559 5559 40840 40840 124334 488747 124334 46 46 170779 170779 0 17804 17804 1610 610 14314 1351 12963 33728 19765 12963 112500 112500 146228 19765 125463 24551 151014 0 130946 130127 130127 88313 120786 121974 1120919 1100026 1575336 478878 500580 487859 31701 23789 34838 1850757 1875308 2350134 0 0 X 1850757 1875308 1850757 1875308 1850757 1875308 1850757 24551 1875308 1875308 Publicly-traded Securities 488747 364421 124326 124326 Passthrough K1 Capital Gain/(Loss) 8 124334 2099 2099 2099 1047 0 1400 2447 X 0 348 348 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 Melinda Rowan Swanson Foundation Source 501 Silverside Rd Wilmington DE 198091377 VP, Dir 1.0 0 0 0 Brian Swanson Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Pres, Sec 1.0 0 0 0 2149463 163534 34838 2347835 0 2347835 35218 2312617 115631 115631 2099 2099 113532 113532 113532 125463 0 0 0 0 125463 113532 70484 2023 2022 2021 125463 70484 54979 0 0 58553 0 0 Brian Swanson X AMERICAN NATIONAL RED CROSS PO BOX 37839 BOONE IA 50037 N/A PC General & Unrestricted 5000 AMERICAN NEAR EAST REFUGEE AID INC 1101 15TH ST NW STE 401 WASHINGTON DC 20005 N/A PC General & Unrestricted 10000 BIKES NOT BOMBS INC 284 AMORY ST JAMAICA PLAIN MA 02130 N/A PC General & Unrestricted 2000 BOLOKADA AND FRIENDS VILLAGE PROJECT INC 17 CHURCH ST HEBRON CT 06248 N/A PC General & Unrestricted 2000 ENGINEERS WITHOUT BORDERS USA INC 1031 33RD ST SUITE 210 DENVER CO 80205 N/A PC General & Unrestricted 5000 FRIENDS OF OROKO VILLAGE 239 WOLCOTT RD CHESTNUT HILL MA 02467 N/A PC General & Unrestricted 5000 JOY OF MUSIC PROGRAM INC 1 GORHAM ST WORCESTER MA 01605 N/A PC General & Unrestricted 5000 MEDECINS SANS FRONTIERES USA INC PO BOX 5030 HAGERSTOWN MD 21741 N/A PC General & Unrestricted 15000 MICHAEL J FOX FOUNDATION FOR PARKINSONS RESEARCH GRAND CENTRAL STA PO BOX 4777 NEW YORK NY 10163 N/A PC General & Unrestricted 2000 MIDDLE EAST CHILDRENS ALLIANCE 1101 8TH ST STE 100 BERKELEY CA 94710 N/A PC General & Unrestricted 10000 MUSCULAR DYSTROPHY ASSOCIATION 1016 W JACKSON BLVD 1073 CHICAGO IL 60607 N/A PC General & Unrestricted 2000 MUSIC WORCESTER INC 319 MAIN ST WORCESTER MA 01608 N/A PC General & Unrestricted 2500 NAACP LEGAL DEFENSE AND EDUCATIONAL FUND INC 40 RECTOR ST 5TH FL NEW YORK NY 10006 N/A PC General & Unrestricted 5000 OXFAM-AMERICA INC 77 N WASHINGTON ST STE 500 BOSTON MA 02114 N/A PC General & Unrestricted 10000 PLANNED PARENTHOOD FEDERATION OF AMERICA INC PO BOX 97166 WASHINGTON DC 20090 N/A PC General & Unrestricted 5000 SEEDS OF PEACE INC 1100 13TH ST NW STE 800 WASHINGTON DC 20005 N/A PC General & Unrestricted 2500 THE LILIES FOUNDATION 8 GOLDEN ROD LN SIDNEY ME 04330 N/A PC General & Unrestricted 8000 UNITARIAN UNIVERSALIST SERVICE COMMITTEE INC 689 MASSACHUSETTS AVE CAMBRIDGE MA 02139 N/A PC General & Unrestricted 2000 UNITED STATES FUND FOR UNICEF 125 MAIDEN LN 10TH FLR NEW YORK NY 10038 N/A PC General & Unrestricted 10000 WASHINGTON AREA BICYCLIST ASSOCIATION 1110 HAMLIN ST NE WASHINGTON DC 20017 N/A PC General & Unrestricted 2000 WORCESTER POLYTECHNIC INSTITUTE 100 INSTITUTE RD WORCESTER MA 01609 N/A PC Mass Academy of Math and Science fund 2500 112500 14 5559 14 40840 18 124334 K-1 Inc/Loss 14 46 170779 170779 false false false false false false false false false false ALPHABET INC NOTE - 1.998% - 0 30054 29688 AMERICAN EXPRESS CREDIT MTN BO 31918 29834 ANDREW W. 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