2026-04-03T09:50:28-05:00 2025-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2025-01-01 472323601 Bronson Family Foundation % Foundation Source BRON 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Nathaniel Bronson III President 8008391754 2026-03-12 true Jeffrey D Haskell P01345770 8008391754 2025 2025-03-06 01:10:19Z X 869135 X 0 X 1778 1778 8697 8697 79948 2238416 79948 1161 1161 91584 91584 0 10358 10358 3974 11189 21 11168 25521 10379 11168 28165 28165 53686 10379 39333 37898 81205 0 41502 63119 63119 629477 617251 772416 28507 33600 670979 708877 869135 0 0 X 670979 708877 670979 708877 670979 708877 670979 37898 708877 708877 Publicly-traded Securities 2238416 2158468 79948 79948 79948 1129 1129 1129 2000 0 2000 X 0 871 871 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 Katharine Quimby Bronson Foundation Source 501 Silverside Rd Wilmington DE 198091377 VP 1.0 0 0 0 William Jewett Bronson Foundation Source 501 Silverside Rd Wilmington DE 198091377 Sec 1.0 0 0 0 Nathaniel R Bronson III Foundation Source 501 Silverside Rd Wilmington DE 198091377 Pres, Dir, Treas 1.0 0 0 0 754958 62950 0 817908 0 817908 12269 805639 40282 40282 1129 1129 39153 39153 39153 39333 0 0 0 0 39333 39153 5231 4691 9922 39333 39153 180 10102 0 10102 5231 4691 180 NONE X CULTIVATING COMMUNITY PO BOX 1492 PORTLAND ME 04104 N/A PC General & Unrestricted 3000 GRANITE BACKCOUNTRY ALLIANCE 120 N S RD UNIT C UNIT 203 NORTH CONWAY NH 03860 N/A PC General & Unrestricted 1833 KILHAM BEAR CENTER INC PO BOX 37 LYME NH 03768 N/A PC General & Unrestricted 2000 LONDONDERRY VOLUNTEER RESCUE SQUAD PO BOX 911 LONDONDERRY VT 05148 N/A PC General & Unrestricted 1333 MAHOOSUC LAND TRUST INC PO BOX 981 BETHEL ME 04217 N/A PC General & Unrestricted 4000 MAINE ISLAND TRAIL ASSOCIATION 100 KENSINGTON ST 2ND FL PORTLAND ME 04103 N/A PC General & Unrestricted 2333 NEW ENGLAND MOUNTAIN BIKE ASSOCIATION INC 7 POST OFC SQ UNIT 2221 ACTON MA 01720 N/A PC Portland Maine Chapter fund 2667 PORTLAND TRAILS 38 DIAMOND ST PORTLAND ME 04101 N/A PC General & Unrestricted 2666 ROCHESTER AREA SPORTS TRAILS ALLIANCE PO BOX 217 ROCHESTER VT 05767 N/A PC General & Unrestricted 4333 VERMONT LAND TRUST INC 8 BAILEY AVE MONTPELIER VT 05602 N/A PC General & Unrestricted 4000 28165 14 1778 14 8697 18 79948 CLASS ACTION LAWSUIT PROCEEDS 01 1161 91584 91584 false false false false false false false false false false RIVIAN AUTOMOTIVE INC - 3.625% 28507 33600 ACE LTD 34912 39015 AGNICO EAGLE MINES LTD 27095 35601 ALAMOS GOLD INC 28533 34722 ALPHABET INC CL C 32436 34518 AMAZON COM 29396 34623 ANALOG DEVICES INC 29903 32544 BOMBARDIER INC B 11219 31444 BROADCOM INC 33349 32880 BROOKFIELD CORP ORD SHS CL A 24044 42998 CRH PLC - ADR 23417 41808 E.L.F. BEAUTY, INC. 28912 28515 FTAI AVIATION LTD 28113 32480 GILDAN ACTIVEWEAR INC 24889 37476 MARTIN MARIETTA MATLS INC 29812 31133 MICROSOFT CORP 20254 36272 MILLROSE PROPERTIES INC CL A 37290 43311 NVIDIA CORP 28917 33570 ORACLE CORP 29479 29237 REGENERON PHARMACEUTICALS INC 29395 30875 SHAKE SHACK INC 27438 28410 UNION PACIFIC 39609 40481 VERTIV CL A 18839 40503 Administrative Fees 11143 11143 Bank Charges 21 21 State or Local Filing Fees 25 25 Class Action Lawsuit Proceeds 1161 1161 Investment Management Services 10358 10358 990-PF Estimated Tax for 2025 2000 990-PF Excise Tax for 2024 1894 IRS PENALTY FEE 80