2026-05-13T21:50:32-04:00 2025-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2025-01-01 920307168 The Filbrandt Foundation % Foundation Source FILB 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Patricia Filbrandt President 8008391754 2026-05-08 true Jeffrey D Haskell P01345770 8008391754 2025 2025-03-06 01:10:19Z X 2266670 X 1240544 5540 5540 29093 29093 -12345 837263 337162 1262832 371795 0 294 10364 10364 10658 0 10364 13000 13000 23658 0 23364 1239174 371795 0 311649 1123057 1123057 593531 1021297 1143613 905180 2144354 2266670 0 0 X 905180 2144354 905180 2144354 905180 2144354 905180 1239174 2144354 2144354 Publicly-traded Securities 837263 500101 337162 337162 337162 5168 5168 5168 0 0 X 0 5168 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 John Burns Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 Carissa Childs Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 Michael Filbrandt Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 1.0 0 0 0 Patricia J Filbrandt Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Pres, Sec, Treas 1.0 0 0 0 864871 183422 0 1048293 0 1048293 15724 1032569 51628 51628 5168 5168 46460 46460 46460 23364 0 0 0 0 23364 46460 22047 2023 2022 2021 23364 22047 1317 0 0 45143 0 0 Michael Filbrandt Patricia J Filbrandt X ALL SAINTS CATHOLIC SCHOOL INC 419 6TH AVE ANTIGO WI 54409 N/A PC For the schools technical network 13000 13000 14 5540 14 29093 18 -12345 22288 22288 false false false false false false false false false false X X 1 Filbrandt Patricia J PO Box 5525 Madison WI 53705 1240544 X X 1 AVANTIS INTERNATIONAL SMALL CAP VALUE E AVDV, 1800 sh. 168851 2025-12-11 1 ISHARES MSCI USA MOMENTUM FACTOR MTUM, 300 sh. 76818 2025-12-11 1 VANGUARD TOTAL STOCK MARKET INDEX FUND VSMPX, 646.463 sh. 200617 2025-12-11 1 AVANTIS EMERGING MKTS EQUITY AVEM, 1173 sh. 90531 2025-12-11 1 DIMENSIONAL INTERNATIONAL VAL ETF DFIV, 752 sh. 37273 2025-12-11 1 DFA US LARGE COMPANY PORTFOLIO DFUSX, 3893 sh. 178105 2025-12-11 1 ISHARES MSCI USA QUALITY FACTOR QUAL, 442 sh. 88349 2025-12-11 AVANTIS EMERGING MKTS EQUITY 63824 82411 AVANTIS INTERNATIONAL SMALL CA 51708 62960 DFA DIMENSIONAL CORE FIXED INC 24275 24685 DFA DIMENSIONAL US LARGE CAP V 79282 87064 DFA INVESTMENT GRADE PORTFOLIO 25000 24965 DIMENSIONAL ETF TRUST GLOBAL R 30554 32047 DIMENSIONAL INTERN HIGH PROFIT 52486 62253 DIMENSIONAL INTERNATIONAL SMAL 6865 9223 DIMENSIONAL INTERNATIONAL VAL 24460 33333 DIMENSIONAL SHORT DRT FXD 36924 37641 DIMENSIONAL US MARKETWIDE VALU 58756 69186 DIMENSIONAL US SMALL CAP VALUE 87742 94494 GUGGENHEIM TOTAL RETURN BOND F 300 299 ISHARE SP SMALL CAP 600 INDEX 10654 12018 JPMORGAN CORE PLUS BOND ETF 9916 10133 JPMORGAN INCOME ETF 24481 24950 JPMORGAN US QUALITY FACTOR ETF 83745 90916 PIMCO INCOME FUND 25010 25091 VANGUARD EMERGING MARKETS GOVE 11851 12609 VANGUARD FTSE DEVELOPED MARKET 25715 32297 VANGUARD SHORT TERM INFLATION 24141 24730 VANGUARD SHORT TERM INVESTMENT 25015 25024 VANGUARD TOTAL BOND MARKET ETF 103128 105625 VANGUARD TOTAL INTL BD IDX ETF 41072 40637 VANGUARD TOTAL STOCK MARKET ET 94393 119022 Administrative Fees 10339 10339 State or Local Filing Fees 25 25 990-PF Excise Tax for 2024 294