2025-11-14T10:00:34+00:00 2024-12-31 440160260 FORVIS MAZARS LLP 120 E Palmetto Park Road Suite 403 Boca Raton FL 33432 990PF 2024-01-01 480926946 David H Koch Charitable Foundation DAVI 3167464052 PO Box 780007 WICHITA KS 67278 JULIA F KOCH DIRECT./PRES./SECRETARY/TREAS. 3167464052 2025-11-14 true April Arnold P01559426 5612991820 2025-11-14 2024 2025-03-06 01:10:19Z X 1512449 X 154030 154030 0 0 0 0 0 0 0 0 154030 154030 0 0 0 0 0 6300 630 0 5670 2200 0 0 2200 4000 0 0 0 0 0 0 425 0 0 425 12925 630 0 8295 2300000 2100000 2312925 630 0 2108295 -2158895 153400 0 12079 14154 14154 0 0 0 0 0 0 0 0 0 0 0 0 0 0 143 143 143 0 0 0 0 0 0 0 0 0 0 0 0 3459122 1498152 1498152 0 0 0 0 0 0 0 3471344 1512449 1512449 0 200000 0 0 0 0 0 200000 X 3471344 1312449 3471344 1312449 3471344 1512449 3471344 -2158895 0 1312449 0 1312449 0 2132 0 2132 2132 2613 0 2000 4613 2481 2481 0 false false false 0 0 0 false false false false true true KS true false false false false true WWW.DAVIDKOCHFOUNDATION.ORG THE COMPANY 3167464052 PO Box 780007 WICHITA KS 67278 false false false true false false false false false false false false false false false false false false false false false false MEGAN REICHENBERGER PO Box 780007 WICHITA KS 67278 TREASURER 0.50 0 0 0 JULIA F KOCH PO Box 780007 WICHITA KS 67278 DIRECTOR/PRESIDENT/SECRETARY 1.00 0 0 0 TERRA R ECK PO Box 780007 WICHITA KS 67278 TREASURER 0.50 0 0 0 0 0 NONE NONE NONE 0 0 2758103 13466 0 2771569 0 2771569 41574 2729995 136500 136500 2132 2132 134368 134368 134368 2108295 0 0 2108295 134368 0 2020 0 0 1604793 645068 2869230 461010 5580101 2108295 0 0 0 134368 1973927 0 7554028 0 0 0 0 0 0 7554028 1604793 645068 2869230 461010 1973927 NOT APPLICABLE NOT APPLICABLE X Cox Science Center and Aquarium Inc 4801 Dreher Trail N West Palm Beach FL 33405 NONE PC General Operating Support 2000000 Prostate Cancer Foundation 1250 Fourth Street Santa Monica CA 90401 NONE PC General Operating Support 100000 2100000 Prostate Cancer Foundation 1250 Fourth Street Santa Monica CA 90401 NONE PC General Operating Support 200000 200000 14 154030 0 154030 0 154030 false false false false false false false false false true JULIA KOCH FAMILY PHILANTHROPY FUND 501(c)(4) COMMON DIRECTORS JULIA KOCH FAMILY FOUNDATION 501(c)(4) COMMON DIRECTORS JMKC4 INC 501(c)(4) COMMON DIRECTORS ACCOUNTING FEES 6300 630 0 5670 NONE ALTERNATIVE INVESTMENT FMV 1498152 1498152 INSURANCE 425 0 0 425 PROFESSIONAL FEES 2200 0 0 2200 FEDERAL EXCISE TAXES 4000 0 0 0