2026-04-10T13:52:30-05:00 2025-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2025-01-01 830622000 Maud and Burton Goldfield Family Foundation % Foundation Source MAUD 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Maud Carol Goldfield President 8008391754 2026-03-25 true Jeffrey D Haskell P01345770 8008391754 2025 2025-03-06 01:10:19Z X 31534529 X 2048717 64480 64480 1052043 1052043 -40851 17059285 1907866 3124389 3024389 0 67297 67297 28005 51589 51589 146891 67297 51589 1293000 1293000 1439891 67297 1344589 1684498 2957092 0 2367821 4764976 4764976 10093477 9074429 9183135 14951613 15258004 17586418 27412911 29097409 31534529 0 0 X 27412911 29097409 27412911 29097409 27412911 29097409 27412911 1684498 29097409 29097409 Publicly-traded Securities 17059285 15151419 1907866 1907866 1907866 41104 41104 41104 22400 0 22400 X 77 18781 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 Alec Thunder Goldfield Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 1.0 0 0 0 Burton M Goldfield Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Treas 1.0 0 0 0 Maud Carol Goldfield Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Pres, Sec 2.0 0 0 0 Mercer Advisors 1200 17TH ST STE 500 DENVER CO 80202 Investment Mgmt 67297 Foundation Source 55 Walls Drive Suite 302 Fairfield CT 06824 Administrative 51564 26349066 2832632 0 29181698 0 29181698 437725 28743973 1437199 1437199 41104 41104 1396095 1396095 1396095 1344589 0 0 0 0 1344589 1396095 1307928 2023 2022 2021 1344589 1307928 36661 0 0 1359434 0 0 NONE X AFRICAN PARKS FOUNDATION OF AMERICA 2020 PENNSYLVANIA AVE NW 254 WASHINGTON DC 20006 N/A PC General & Unrestricted 5000 AKASHINGA INC 29476 NORTHWESTERN HWY STE 531 SOUTHFIELD MI 48034 N/A PC General & Unrestricted 5000 ANIMAL WELFARE INSTITUTE 900 PENNSYLVANIA AVE SE WASHINGTON DC 20003 N/A PC General & Unrestricted 10000 BEST FRIENDS ANIMAL SOCIETY 5001 ANGEL CANYON RD KANAB UT 84741 N/A PC General & Unrestricted 150000 COLLEGE TRACK 117 BROADWAY AVE OAKLAND CA 94612 N/A PC General & Unrestricted 50000 CP EXTENSION INC 90 W ST APT 9J NEW YORK NY 10006 N/A PC General & Unrestricted 2500 ELIZABETH F GAMBLE GARDEN 1431 WAVERLEY ST PALO ALTO CA 94301 N/A PC the Horticultural Complex Project 50000 FRIENDS OF GREAT SALT LAKE 150 S 600 EAST STE 5D SALT LAKE CTY UT 84102 N/A PC General & Unrestricted 5000 FRIENDS OF THE DESERT MOUNTAINS 51500 STATE HWY 74 PALM DESERT CA 92260 N/A PC General & Unrestricted 20000 GOOD SPORTS INC 1515 WASHINGTON ST STE 300 BRAINTREE MA 02184 N/A PC General & Unrestricted 2500 INTERNATIONAL DOCUMENTARY ASSOCIATION 3600 WILSHIRE BLVD STE 1810 LOS ANGELES CA 90010 N/A PC Derek Dodge's Film on Recycle Utah Project 2500 JMT WILDERNESS CONSERVANCY 10008 SE RIVER ST STE B TRUCKEE CA 96161 N/A PC General & Unrestricted 5000 LOS ALTOS COMMUNITY FOUNDATION 183 HILLVIEW AVE LOS ALTOS CA 94022 N/A PC MVLA Scholars Fund 30000 MERCY FOR ANIMALS 8033 SUNSET BLVD STE 864 LOS ANGELES CA 90046 N/A PC General & Unrestricted 35000 MONTEREY BAY AQUARIUM FOUNDATION 886 CANNERY ROW MONTEREY CA 93940 N/A PC General & Unrestricted 1000 MOONSONG MALAMUTE RESCUE INC PO BOX 5095 BOISE ID 83705 N/A PC General & Unrestricted 10000 MOUNTAIN TRAILS FOUNDATION INC PO BOX 754 PARK CITY UT 84060 N/A PC General & Unrestricted 100000 NATIONAL PARKS CONSERVATION ASSOCIATION 777 6TH ST NW STE 700 WASHINGTON DC 20001 N/A PC the project in the California desert to protect bighorn sheep at the Mojave National Preserve, which entails defending the park from mining and energy development proposals and advancing the wildlife crossings to completion 20000 NATIVE RENEWABLES INC 3111 N CADEN CT STE 130 FLAGSTAFF AZ 86004 N/A PC General & Unrestricted 5000 NEWS LITERACY PROJECT INC 5335 WISCONSIN AVE NW SUITE 440 WASHINGTON DC 20015 N/A PC General & Unrestricted 5000 NOVACOMM 9191 TOWNE CENTRE DR STE 150 LA JOLLA CA 92122 N/A SO I General & Unrestricted 10000 NUZZLES & CO 6466 HIGH VIEW RD PEOA UT 84061 N/A PC to support an in-house trainer salary for hard to place dogs, particularly the large ones 35000 NUZZLES & CO 6466 HIGH VIEW RD PEOA UT 84061 N/A PC General & Unrestricted 10000 PALO ALTO HUMANE SOCIETY PO BOX 60715 PALO ALTO CA 94306 N/A PC for the care of the Barron Park Donkeys 500 PALO ALTO SWIM CLUB PO BOX 50340 PALO ALTO CA 94303 N/A PC General & Unrestricted 10000 PARK CITY AQUATIC TEAM BOOSTERS INC PO BOX 980863 PARK CITY UT 84098 N/A PC General & Unrestricted 10000 PARK CITY CONSERVATION ASSOCIATION PO BOX 682998 PARK CITY UT 84068 N/A PC General & Unrestricted 10000 PENINSULA OPEN SPACE TRUST 222 HIGH ST PALO ALTO CA 94301 N/A PC Tunitas Creek Beach Project and Annual Fund 100000 PETS IN NEED 871 5TH AVE REDWOOD CITY CA 94063 N/A PC General & Unrestricted 300000 PLANNED PARENTHOOD ASSOCIATION OF UTAH 654 S 900 E SALT LAKE CTY UT 84102 N/A PC General & Unrestricted 5000 PLANNED PARENTHOOD FEDERATION OF AMERICA INC PO BOX 97166 WASHINGTON DC 20090 N/A PC General & Unrestricted 5000 ROTARY DISTRICT 5170 FOUNDATION PO BOX 1166 LIVERMORE CA 94551 N/A PC Math Literacy Special Project through the Palo Alto/University Rotary Club 2500 SILICON VALLEY SOCIAL VENTURE FUND 350 TWIN DOLPHIN DR STE 103 REDWOOD CITY CA 94065 N/A PC General & Unrestricted 7500 SUMMER SEARCH 2201 BROADWAY STE 100 OAKLAND CA 94612 N/A PC General & Unrestricted 5000 SUMMIT COMMUNITY GARDENS PO BOX 683984 PARK CITY UT 84060 N/A PC General & Unrestricted 5000 SUMMIT LAND CONSERVANCY 1887 GOLD DUST LN STE 101 PARK CITY UT 84060 N/A PC General & Unrestricted 60000 SWEET FARM FOUNDATION 210 HALL RD HIMROD NY 14842 N/A PC General & Unrestricted 2500 TEAM HYDRO FOUNDATION INC 295 E SWEDESFORD RD STE 157 WAYNE PA 19087 N/A PC General & Unrestricted 1000 THE ELEPHANT SANCTUARY IN TENNESSEE PO BOX 393 HOHENWALD TN 38462 N/A PC General & Unrestricted 10000 THE LENFEST INST FOR JOURNALISM SPE ASSET FUND OF 100 S INDEPENDENCE MALL WEST ST PHILADELPHIA PA 19106 N/A SO I General & Unrestricted 2500 THE PALO ALTO COMMUNITY FUND PO BOX 50634 PALO ALTO CA 94303 N/A PC General & Unrestricted 20000 THE TECH INTERACTIVE 201 S MARKET ST SAN JOSE CA 95113 N/A PC General & Unrestricted 10000 TONY LA RUSSAS ANIMAL RESCUE FOUNDATION 2890 MITCHELL DR WALNUT CREEK CA 94598 N/A PC To fund a three-year research initiative focused on improving dogs' adoptability and long term well being in shelter settings 10000 TONY LA RUSSAS ANIMAL RESCUE FOUNDATION 2890 MITCHELL DR WALNUT CREEK CA 94598 N/A PC For continued training for Big dogs and staff 100000 VILLANOVA UNIVERSITY 800 E LANCASTER AVE VILLANOVA PA 19085 N/A PC General & Unrestricted 3000 WILDLIFE CONSERVATION NETWORK INC 209 MISSISSIPPI ST SAN FRANCISCO CA 94107 N/A PC General & Unrestricted 15000 YOSEMITE FOUNDATION 101 MONTGOMERY ST STE 2450 SAN FRANCISCO CA 94104 N/A PC to help fund the Centennial Campaign and general operating expenses 30000 1293000 14 64480 14 1052043 18 -40851 1075672 1075672 false false false false false false false false false false X X 1 BURTON AND MAUD GOLDFIELD TRUST 1708 Cowper Street Palo Alto CA 94301 2048717 X X 1 TRINET GROUP, INC TNET, 15950 sh. 1148561 2025-08-29 1 TRINET GROUP, INC TNET, 13083 sh. 800156 2025-12-17 AVANTIS US SMALL CAP EQUITY ET 244920 319722 DIMENSIONAL INTERN HIGH PROFIT 321701 419371 DIMENSIONAL INTERNATIONAL CORE 442995 653879 DIMENSIONAL INTERNATIONAL VAL 289068 431535 DIMENSIONAL US CORE EQUITY 2 E 783038 1175150 DIMENSIONAL US HIGH PROFITABIL 513092 725004 DIMENSIONAL US MARKETWIDE VALU 516057 690976 ISHARES BARCLAYS US AGGREGATE 2382582 2385634 ISHARES EDGE MSCI INTL MOMENTU 266963 387742 ISHARES MSCI USA MOMENTUM FACT 449200 744672 VANGUARD FTSE DEVELOPED MARKET 443033 630572 VANGUARD S&P 500 ETF 768443 1209107 VANGUARD SHORT TERM CORPORATE 3334956 3323624 VANGUARD SM-CAP ETF 218187 299480 VANGUARD ST BOND ETF 3005266 2958370 VANGUARD TOTAL INTL BD IDX ETF 1278503 1231580 9074429 9183135 Administrative Fees 51405 51405 Postage/Delivery Service 159 159 State or Local Filing Fees 25 25 Investment Management Services 67297 67297 990-PF Estimated Tax for 2025 22400 990-PF Excise Tax for 2024 5605