2025-10-30T12:17:29-05:00 2024-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2024-01-01 200768118 The Dick & Diane May Foundation Inc % Foundation Source DICK 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Richard A May President 8008391754 2025-10-27 true true Jeffrey D Haskell P01345770 8008391754 2024 2025-03-06 01:10:19Z X 1001330 X 0 X 52 52 2657 2657 7968 109885 7968 -6480 -6480 4197 4197 0 24470 15137 9235 24470 15137 9235 32500 32500 56970 15137 41735 -52773 0 0 7082 9770 9770 512812 479066 480149 723230 701515 511411 1243124 1190351 1001330 0 0 X 1243124 1190351 1243124 1190351 1243124 1190351 1243124 -52773 1190351 1190351 Publicly-traded Securities 109885 101917 7968 7968 7968 0 0 0 100 0 100 200 200 200 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 Diane May Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 1.0 0 0 0 Richard A May Foundation Source 501 Silverside Rd Wilmington DE 198091377 Pres, Dir, Sec 1.0 0 0 0 349881 8226 511411 869518 0 869518 13043 856475 42824 42824 0 0 42824 42824 42824 41735 0 0 0 0 41735 42824 40782 41735 40782 953 0 0 41871 0 0 Diane May Richard A May X CATO INSTITUTE 1000 MASSACHUSETTS AVE NW WASHINGTON DC 20001 N/A PC General & Unrestricted 2000 CENTER FOR THE STUDY OF CARBON DIOXIDE AND GLOBAL 3047 W MARTINEZ DR SAN TAN VLY AZ 85144 N/A PC General & Unrestricted 1000 CHICAGO POLICE MEMORIAL FOUNDATION 1407 W WASHINGTON BLVD CHICAGO IL 60607 N/A PC General & Unrestricted 6000 HEARTLAND INSTITUTE 3939 N WILKE RD ARLINGTON HEIGHTS IL 60004 N/A PC General & Unrestricted 1000 HILLSDALE COLLEGE 33 E COLLEGE ST HILLSDALE MI 49242 N/A PC General & Unrestricted 1000 ILLINOIS POLICY INSTITUTE 300 S RIVERSIDE PLAZA STE 1650 CHICAGO IL 60606 N/A PC General & Unrestricted 1000 JUDICIAL WATCH INC 425 3RD ST SW STE 800 WASHINGTON DC 20024 N/A PC General & Unrestricted 1000 MIKEROWEWORKS FOUNDATION 10960 WILSHIRE BLVD 5TH FL LOS ANGELES CA 90024 N/A PC General & Unrestricted 3000 NATIONAL REVIEW INSTITUTE 19 W 44TH ST STE 1701 NEW YORK NY 10036 N/A PC General & Unrestricted 1000 PRAGER UNIVERSITY FOUNDATION 15021 VENTURA BLVD 552 SHERMAN OAKS CA 91403 N/A PC General & Unrestricted 1000 ROOTS & CULTURE CONTEMPORARY ART CENTER 1034 N MILWAUKEE AVE CHICAGO IL 60642 N/A PC General & Unrestricted 5000 RUSH UNIVERSITY MEDICAL CENTER 1201 W HARRISON ST STE 300 CHICAGO IL 60607 N/A PC Road Home 3000 UATX 522 CONGRESS AVE STE 300 AUSTIN TX 78701 N/A PC General & Unrestricted 1000 UNITED WAY OF NORTH CAROLINA 1130 KILDAIRE FARM RD STE 100 CARY NC 27511 N/A PC Hurricane Helene victims 2500 UNITED WAY SUNCOAST INC 4925 INDEPENDENCE PKWY STE 120 TAMPA FL 33634 N/A PC Hurricanes Helene and Milton relief 2500 WINDOW TO THE WORLD 5400 N ST LOUIS AVE CHICAGO IL 60625 N/A PC General & Unrestricted 500 32500 14 52 14 2657 18 7968 K-1 Inc/Loss 14 -6480 4197 4197 false false false false false false false false false false Form 990-PF Form 990-PF One or more partnerships have provided a Schedule K-3 for the tax year in which they have checked one or more of the boxes in Part I but not provided sufficient back-up information to allow the Foundation to verify why such boxes were checked or the extent to which the checking of such boxes affects any item on this return. The Foundation has prepared this return to the best of its ability and without any foreign filings for such partnerships based on the information provided to it by these partnerships and on the basis of having received no information to the contrary. Any missing or incomplete information is due to the Foundation's inability to obtain such information and is not a willful attempt to withhold such information. ADVANCED MICRO DEVICES INC 10727 7851 ADVISORSHARES PURE US CANNABIS 25992 4572 AMAZON COM 8096 17551 ATLASSIAN CORP CL A 11323 14603 CERAGON NETWORKS LTD. 7987 6398 DIGITAL TURBINE ORD SHS 19405 1690 FEDERAL NATIONAL MORTGAGE ASSO 268040 264403 HUBSPOT INC 11341 13935 MERCADOLIBRE, INC 4654 5101 MICROSOFT CORP 14879 16860 NEWLAKE CAPITAL PARTNERS ORD S 10802 7000 NVIDIA CORP 27387 80574 REGENXBIO INC 7871 1275 SAFEHOLD INC 18592 12012 SUPER MICRO COMPUTER INC 15390 9144 VORNADO REALTY TR PFD M 11260 17180 ZOVIO ORD SHS 5320 BUFFALO INVESTMENTS LLC 180201 120000 EDEN PARK ILLUMINATION COMPANY 475010 341411 MV STARTUP FUND VII, LLC 46304 50000 Administrative Fees 9210 9210 K-1 Exp BUFFALO INVESTMENTS LL 15235 15137 State or Local Filing Fees 25 25 K-1 Inc/Loss BUFFALO INVESTMENTS LLC -6480 -6480