2025-05-09T10:32:56-05:00 2024-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2024-01-01 203447785 The Martin Family Charitable Foundation Inc % Foundation Source MART 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 CELIA MARTIN PRESIDENT 8008391754 2025-05-01 true true Jeffrey D Haskell P01345770 8008391754 2024 2025-03-06 01:10:19Z X 2942499 X 0 X 4165 4165 30923 30923 316295 821263 316295 351383 351383 0 10765 10765 4069 15605 15605 30439 10765 15605 87500 87500 117939 10765 103105 233444 340618 89130 113155 113155 69210 69894 1102282 1242491 2759450 1191412 1424856 2942499 0 0 X 1191412 1424856 1191412 1424856 1191412 1424856 1191412 233444 1424856 1424856 Publicly-traded Securities 821263 504968 316295 316295 316295 4735 4735 4735 2200 0 2200 X 0 2535 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 Benjamin Martin Foundation Source 501 Silverside Rd Wilmington DE 198091377 VP, Dir 1.0 0 0 0 Carolyn Martin Foundation Source 501 Silverside Rd Wilmington DE 198091377 VP, Dir, Sec 1.0 0 0 0 Celia V Martin Foundation Source 501 Silverside Rd Wilmington DE 198091377 Pres, Dir 1.0 0 0 0 Dana Martin Foundation Source 501 Silverside Rd Wilmington DE 198091377 VP, Dir 1.0 0 0 0 2662782 104813 0 2767595 0 2767595 41514 2726081 136304 136304 4735 4735 131569 131569 131569 103105 0 0 0 0 103105 131569 101606 103105 101606 1499 0 0 130070 0 0 Celia V Martin X A WIDER CIRCLE INC 10325 KENSINGTON PKWY UNIT 70 KENSINGTON MD 20895 N/A PC General & Unrestricted 1000 ALLIANCE FOR THE CHESAPEAKE BAY INC 151 WEST ST ANNAPOLIS MD 21401 N/A PC General & Unrestricted 500 ANACOSTIA RIVERKEEPER 45 L ST SW UNIT 70565 WASHINGTON DC 20024 N/A PC General & Unrestricted 500 ARC OF MONTGOMERY COUNTY INC 7362 CALHOUN PL ROCKVILLE MD 20855 N/A PC General & Unrestricted 500 BETHESDA CHEVY CHASE RESCUE SQUAD INC 5020 BATTERY LN BETHESDA MD 20814 N/A PC General & Unrestricted 100 BETHESDA-CHEVY CHASE HIGH SCHOOL EDUCATIONAL FOUND POBOX 31209 BETHESDA MD 20824 N/A PC General & Unrestricted 500 BIG BROTHERS AND BIG SISTERS OF NEW YORK CITY INC 40 RECTOR ST 11TH FL NEW YORK NY 10006 N/A PC Guiding Visionary Sponsorship for the Young Professionals Committee of Big Brothers and Big Sisters of NYC Inc. 1000 BILLION OYSTER PROJECT 10 SOUTH ST SLIP 7 NEW YORK NY 10004 N/A PC General & Unrestricted 500 BOYS & GIRLS CLUBS OF DELAWARE INC 669 SOUTH UNION ST WILMINGTON DE 19805 N/A PC General & Unrestricted 1000 CAMFED U S A FOUNDATION 4 EMBARCADERO CTR STE 1400 SAN FRANCISCO CA 94111 N/A PC General & Unrestricted 1000 CAMPAIGN LEGAL CENTER INC 1101 14TH ST NW STE 400 WASHINGTON DC 20005 N/A PC General & Unrestricted 500 CAPITAL AREA FOOD BANK 4900 PUERTO RICO AVE NE WASHINGTON DC 20017 N/A PC General & Unrestricted 2500 CAPITAL PRIDE ALLIANCE INCORPORATED 2000 14TH ST NW STE 105 WASHINGTON DC 20009 N/A PC General & Unrestricted 500 CEDARS CAMPS 410 SOVEREIGN CT STE 8 BALLWIN MO 63011 N/A PC General & Unrestricted 1000 CENTER FOR THE INLAND BAYS INC 39375 INLET RD REHOBOTH BCH DE 19971 N/A PC General & Unrestricted 2000 CHESAPEAKE BAY FOUNDATION INC 6 HERNDON AVE ANNAPOLIS MD 21403 N/A PC General & Unrestricted 500 CHRISTIAN SCIENCE MEDIA COMMITTEE OF METROPOLITAN PO BOX 16101 ALEXANDRIA VA 22302 N/A PC General & Unrestricted 1000 CHRISTIAN SCIENCE SOCIETY OF ASPEN SNOWMASS INC 713 WEST MAIN ST ASPEN CO 81611 N/A PC General & Unrestricted 1000 CITY BLOSSOMS INC 516 KENNEDY ST NW WASHINGTON DC 20011 N/A PC General & Unrestricted 100 CONSERVATION INTERNATIONAL FOUNDATION 2011 CRYSTAL DRIVE STE 600 ARLINGTON VA 22202 N/A PC General & Unrestricted 1500 COOPERATIVE FOR ASSISTANCE AND RELIEF EVERYWHERE I PO BOX 1870 MERRIFIELD VA 22116 N/A PC General & Unrestricted 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1000 GLEN ECHO FIRE DEPARTMENT FOUNDATION INC 5920 MASSACHUSETTS AVE BETHESDA MD 20816 N/A PC General & Unrestricted 100 HARLEM LACROSSE AND LEADERSHIP CORPORATION 8 W 126TH ST 3RD FL NEW YORK NY 10027 N/A PC General & Unrestricted 500 HUMAN RIGHTS WATCH INC 350 FIFTH AVE 34TH FL NEW YORK NY 10118 N/A PC General & Unrestricted 1000 INTERNATIONAL ELEPHANT FOUNDATION PO BOX 366 AZLE TX 76098 N/A PC General & Unrestricted 500 JUNIOR LEAGUE OF BOSTON INCORPORATED 117 NEWBURY ST BOSTON MA 02116 N/A PC General & Unrestricted 2000 KIND TO KIDS FOUNDATION 875 AAA BLVD STE A NEWARK DE 19713 N/A PC General & Unrestricted 500 LITTLE FALLS WATERSHED ALLIANCE INC 4920 DORSET AVE CHEVY CHASE MD 20815 N/A PC The Falmouth Road Restoration Project 2000 LOCAL JOURNALISM INITIATIVE 1425 WOODLAWN AVE WILMINGTON DE 19806 N/A PC General & Unrestricted 500 LYNN HOUSE OF POTOMAC VALLEY INC 4400 W BRADDOCK RD ALEXANDRIA VA 22304 N/A PC General & Unrestricted 1000 MANNA FOOD CENTER INC 12301 OLD COLUMBIA PIKE SILVERSPRING MD 20904 N/A PC General & Unrestricted 1000 MERCER COUNTY COMMUNITY COLLEGE FOUNDATION 1200 OLD TRENTON RD WEST WINDSOR NJ 08550 N/A PC General & Unrestricted 1000 METROPOLITAN CLUB PRESERVATION FOUNDATION 1700 H ST NW WASHINGTON DC 20006 N/A PC General & Unrestricted 500 MICHIGAN STATE UNIVERSITY SPARTAN WAY 535 CHESTNUT RD RM 300 EAST LANSING MI 48824 N/A PC James Madison College general operations and Raymond D. and H. Claire Vlasin Faculty Development Fund 2000 MONTGOMERY COUNTY PARKS FOUNDATION INC 2425 REEDIE DRIVE 12TH FL WHEATON MD 20902 N/A PC General & Unrestricted 1000 MPT FOUNDATION INC 11767 OWINGS MILLS BLVD OWINGS MILLS MD 21117 N/A PC General & Unrestricted 1000 NATIONAL PARK FOUNDATION 1500 K ST NW STE 700 WASHINGTON DC 20005 N/A PC Manhattan Project National Historical Park, Los Alamos, NM 500 NATIONAL PARK FOUNDATION 1500 K ST NW STE 700 WASHINGTON DC 20005 N/A PC Bandelier National Monument, Los Alamos, NM 1000 NATIONAL TRUST FOR HISTORIC PRESERVATION IN THE UN 600 14TH ST NW STE 500 WASHINGTON DC 20005 N/A PC Acoma Sky City 500 NATURE CONSERVANCY 4245 N FAIRFAX DRIVE STE 100 ARLINGTON VA 22203 N/A PC General & Unrestricted 1000 NATURE CONSERVANCY 4245 N FAIRFAX DRIVE STE 100 ARLINGTON VA 22203 N/A PC Protection of the Amazon Rainforest 1000 NEW YORK BOTANICAL GARDEN 2900 SOUTHERN BLVD BRONX NY 10458 N/A PC General & Unrestricted 1000 OCEAN CONSERVANCY INC 1300 19TH ST NW 8TH FLOOR WASHINGTON DC 20036 N/A PC General & Unrestricted 1500 OUT & EQUAL PO BOX 894434 LOS ANGELES CA 90189 N/A PC General & Unrestricted 200 OYSTER RECOVERY PARTNERSHIP INC PO BOX 6775 ANNAPOLIS MD 21401 N/A PC General & Unrestricted 1000 PLATTE RIVER WHOOPING CRANE MAINTENANCE TRUST INC 6611 W WHOOPING CRANE DR WOOD RIVER NE 68883 N/A SO I General & Unrestricted 1000 RAZOM INC 140 2ND AVE STE 305 NEW YORK NY 10003 N/A PC General & Unrestricted 1000 REHOBOTH ART LEAGUE INC 12 DODDS LN HENLOPEN ACRES HENLOPEN ACRES DE 19971 N/A PC General & Unrestricted 500 REHOBOTH BEACH VOLUNTEER FIRE CO INC PO BOX 327 REHOBOTH BCH DE 19971 N/A PC General & Unrestricted 1000 ROCKY MOUNTAIN INSTITUTE 2490 JCT PLACE STE 200 BOULDER CO 80302 N/A PC General & Unrestricted 500 SALISBURY STATE UNIVERSITY FOUNDATION INC PO BOX 2655 SALISBURY MD 21802 N/A PC Delmarva Public Media 1000 SIXTH CHURCH OF CHRIST SCIENTIST WASHINGTON DC 4601 MASSACHUSETTS AVE NW WASHINGTON DC 20016 N/A PC General & Unrestricted 3000 SMYA INC 410 7TH ST SE WASHINGTON DC 20003 N/A PC General & Unrestricted 1000 SOME INC 71 O ST NW WASHINGTON DC 20001 N/A PC General & Unrestricted 1000 THE ASPEN INSTITUTE INC 2300 N ST NW STE 700 WASHINGTON DC 20037 N/A PC General & Unrestricted 1000 TRINITY COLLEGE 300 SUMMIT ST HARTFORD CT 06106 N/A PC Renovations to the Ferris Athletic Center 5000 TRINITY COLLEGE 300 SUMMIT ST HARTFORD CT 06106 N/A PC Trinity College Alumni Fund 5000 TUDOR PLACE FOUNDATION INC 1644 31ST ST NW WASHINGTON DC 20007 N/A PC General & Unrestricted 500 TUNE IN TO NATURE ORG PO BOX 99456 SEATTLE WA 98139 N/A PC General & Unrestricted 1000 UNION OF CONCERNED SCIENTISTS INC 2 BRATTLE SQ SUITE 6 CAMBRIDGE MA 02138 N/A PC General & Unrestricted 500 UNIVERSITY OF NEBRASKA FOUNDATION 1010 LINCOLN MALL STE 300 LINCOLN NE 68508 N/A PC General & Unrestricted 600 UNIVERSITY OF VIRGINIA DARDEN SCHOOL FOUNDATION PO BOX 7726 CHARLOTTESVILLE VA 22906 N/A SO III FI General & Unrestricted 2000 WASHINGTON EPISCOPAL DAY SCHOOL INC 5600 LITTLE FALLS PKWY BETHESDA MD 20816 N/A PC General & Unrestricted 500 WASHINGTON PERFORMING ARTS SOCIETY 1400 K ST NW STE 500 WASHINGTON DC 20005 N/A PC General & Unrestricted 4000 WETA 3939 CAMPBELL AVE ARLINGTON VA 22206 N/A PC General & Unrestricted 1200 WILMINGTON FREEDOM ALLIANCE 708 S LINCOLN ST WILMINGTON DE 19805 N/A PC General & Unrestricted 1000 WOMEN FOR WOMEN INTERNATIONAL 2000 M ST NW SUITE 750A WASHINGTON DC 20036 N/A PC General & Unrestricted 2000 WORLD CENTRAL KITCHEN INCORPORATED 200 MASSACHUSETTS AVE NW 7TH FL WASHINGTON DC 20001 N/A PC General & Unrestricted 2000 WORLD RESOURCES INSTITUTE 10 G ST NE 8TH FL WASHINGTON DC 20002 N/A PC General & Unrestricted 500 WORLD WILDLIFE FUND INC 1250 24TH ST NW WASHINGTON DC 20037 N/A PC General & Unrestricted 500 YELLOWSTONE FOREVER PO BOX 1857 BOZEMAN MT 59771 N/A PC General & Unrestricted 2000 87500 14 4165 14 30923 18 316295 351383 351383 false false false false false false false false false false ALLSTATE CORP 37594 65549 AMERICAN EXPRESS CO 67681 138007 APPLE INC 10604 108682 ARTISAN HIGH INCOME FUND CL IN 66650 66141 BOOZ ALLEN HAMILTON HOLDING CO 35366 32175 BROADCOM INC 61245 261979 BROWN ADVISORY SUSTAINABILITY 401490 1306834 CLIFFWATER CORPORATE LENDING F 66650 65237 FERGUSON PLC 38905 43566 FIDELITY NATIONAL INFORMATION 75126 99670 GEN DYNAMICS CP 66987 77993 ISHARE SP SMALL CAP 600 INDEX 137155 139071 JP MORGAN CHASE 29648 143826 KORN FERRY INTL 82461 91058 QUALCOMM INC 29077 84030 VANGUARD SF REIT ETF 35852 35632 69210 69894 Administrative Fees 15580 15580 State or Local Filing Fees 25 25 Investment Management Services 10765 10765 990-PF Estimated Tax for 2024 2200 990-PF Excise Tax for 2023 1869