2026-05-08T12:33:29-04:00 2025-12-31 ERNST & YOUNG US LLP One Manhattan West NEW YORK NY 10001 990PF 2025-01-01 464978561 The Michelson Foundation % KKR ACCOUNTING SERVICES LLC MICH 6506532406 10105 E Via Linda STE 103PMB 2799 Scottsdale AZ 85258 Susan P Doell Secretary/Treasurer 6506532419 2026-05-15 true Jessica Perna P00844664 2127733000 2025 2025-03-06 01:10:19Z X 68143694 X 0 X 529632 529632 8362 577999 8362 537994 537994 0 12392 3098 0 9294 4657 3601 1056 17049 6699 0 10350 961473 961473 978522 6699 0 971823 -440528 531295 0 6713 454 454 2015626 1581356 1658156 13355197 13355198 66485084 15377536 14937008 68143694 0 0 X 15377536 14937008 15377536 14937008 15377536 14937008 15377536 -440528 14937008 14937008 130000 SHS, US TSY NOTE 2025-12-12 129129 126716 1462 2413 465,000 SHS, US TSY NOTE 2023-08-31 448870 427347 6900 21523 8362 7385 7385 7385 15332 0 15332 X 7947 7947 0 false false false false false false false true true false false false false false true N/A KKR ACCOUNTING SERVICES LLC 6506532419 155 BOVET ROAD SUITE 770 SAN MATEO CA 94402 false false false false false false false false false false false false false false false false false false false false false MICHAEL W MICHELSON 10105 E Via Linda STE 103 PMB 2799 Scottsdale AZ 85258 DIRECTOR AND CHAIRMEN 1.0 0 0 0 SUSAN P DOELL 155 Bovet Road Suite 770 San Mateo CA 94402 SECRETARY AND TREASURER 3.0 0 0 0 KATE M GOLDKAMP 155 Bovet Road Suite 770 San Mateo CA 99402 DIRECTOR 1.0 0 0 0 LAURA E MICHELSON SIEVERS 155 Bovet Road Suite 770 San Mateo CA 99402 DIRECTOR 1.0 0 0 0 N/A NONE 56339943 5471 0 56345414 0 56345414 845181 55500233 2775012 2775012 7385 7385 2767627 2767627 2767627 971823 0 0 0 0 971823 2767627 826472 2023 2022 2021 0 971823 826472 145351 0 0 0 0 2622276 0 0 MICHAEL W MICHELSON NONE SUSAN P DOELL 155 BOVET ROAD SUITE 770 SAN MATEO CA 94402 6506532406 APPLICATIONS SHOULD BE MADE AS A FORMAL WRITTEN REQUEST NONE NONE The Better Angels Society Inc 5185 MacArthur Blvd Suite 570 Washington DC 20016 NONE PC UNRESTRICTED 333333 Eagles Autism Foundation One NovaCare Way Philadelphia PA 19145 NONE PC UNRESTRICTED 30000 Teach for America 25 Broadway Fl 12 New York City NY 10004 NONE PC UNRESTRICTED 25000 Kukio Ho'omana Fund PO Box 5380 Kailua Kona HI 96745 NONE PC UNRESTRICTED 10000 LIBERTAS COLLEGE PREPARATORY 5101 S Western Ave Los Angeles CA 90062 NONE PC UNRESTRICTED 10000 Vanderbilt University Blair Community Scholars Pr PMB 407727 2301 Vanderbilt Place Nashville TN 372407727 NONE PC UNRESTRICTED 453140 Child Mind Institute Inc 220 Montgomery Street Suite 600 San Francisco CA 94104 NONE PC UNRESTRICTED 50000 Book Book Go 9909 Manchester Road 117 Warson Woods MO 63122 NONE PC UNRESTRICTED 50000 961473 14 529632 18 8362 537994 537994 false false false false false false false false false false ACCOUNTING FEES 12392 3098 9294 NONE The foundation is not required to file a copy of Form 990-PF with any state Attorney General office. The Foundation operates out of Arizona, which does not require filing the Form 990-PF after tax year 2018. 348,812 SHS OF AMPHENOL CORP 7047970 47138454 19,242 SHS OF CHARLES SCHWAB 999622 1922468 100,000 SHS OF KKR & CO INC 2289000 12748000 21,970 SHS OF PROCTOR & GAMBLE 2022443 3148521 16,391 SHS OF WELLS FARGO 996163 1527641 1581356 1658156 MISCELLANEOUS EXPENSES 1031 1031 BANK FEES 3601 3601 FILING FEES 25 25