2020-10-28T15:56:04-05:00 2019-12-31 Foundation Source One Hollow Ln Ste 212 Lake Success NY 11042 990PF 2019-01-01 061331577 The Mayer-Phillips Foundation Inc % Foundation Source MAYE 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 ALESSANDRA MAYER vice president 8008391754 2020-10-15 true Jeffrey D Haskell P01345770 8008391754 67.82.234.252 06391520203025000043 2020-10-28 P BC971FC33BAF52379132A0473611089A0DAEC697 384717C1FADDEF7B1C9CB58DAC69F19ED4566B5B 2019 2021-04-22 16:20:28Z X 8754917 X 505688 1680 1680 206463 206463 103400 1466940 429020 2193 2193 819424 639356 35000 35000 2993 2993 16882 16882 7945 45140 5424 39716 107960 22306 77709 289700 289700 397660 22306 367409 421764 617050 251213 109723 109723 6182717 6682261 8264198 37365 25440 32288 183578 259213 348708 6654873 7076637 8754917 0 0 X 6654873 7076637 6654873 7076637 6654873 7076637 6654873 421764 7076637 7076637 Publicly-traded Securities 1466940 1056513 410427 410427 Passthrough K1 Capital Gain/(Loss) 18593 429020 false 399284 6964299 0.057333 233544 6624223 0.035256 99133 5892615 0.016823 473366 5802951 0.081573 165930 5610729 0.029574 0.220559 0.044112 7942740 350370 6171 356541 367409 X 6171 6171 6171 8070 4580 12650 X 6479 6479 false false false false false false false true true CT true false false false false true Foundation Source 8008391754 501 Silverside Road Suite 123 Wilmington DE 198091377 false false false false true false false false false false false false false false false false false false false false false false Alessandra Mayer Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 12.0 35000 316 0 Barbara P Mayer Foundation Source 501 Silverside Rd Wilmington DE 198091377 Pres, Dir 1.0 0 0 0 Christa A Mayer Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 John A Mayer Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Sec 1.0 0 0 0 Timothy P Mayer Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Treas 1.0 0 0 0 7677560 74820 311315 8063695 0 8063695 120955 7942740 397137 397137 6171 6171 390966 390966 390966 367409 0 0 0 0 367409 6171 361238 390966 232717 2017 2016 2015 367409 232717 134692 0 0 256274 0 0 Barbara P Mayer John A Mayer X 5280 HIGH SCHOOL 899 N BROADWAY DENVER CO 80203 N/A PC General & Unrestricted 50000 BIDWELL TRAINING CENTER INC 1815 METROPOLITAN ST PITTSBURGH PA 15233 N/A PC General & Unrestricted 2000 CAPITAL SISTERS INTERNATIONAL INC 227 LAMB LN GOLDEN CO 80401 N/A PC General & Unrestricted 1000 CAREERWISE COLORADO 400 S COLORADO BLVD STE 700 DENVER CO 80246 N/A PC General & Unrestricted 50000 CHALLENGE FOUNDATION INC 4545 S UNIVERSITY BLVD ENGLEWOOD CO 80113 N/A PC General & Unrestricted 2500 COLORADO THERAPEUTIC RIDING CENTER 11968 MINERAL RD LONGMONT CO 80504 N/A PC General & Unrestricted 2000 FII - NATIONAL 1203 PRESERVATION PARK WAY OAKLAND CA 94612 N/A PC Up Together Fund 50000 MEADORS MASTERS FOUNDATION 1168 LINKS CT ERIE CO 80516 N/A PC General & Unrestricted 700 ONE WORLD CHILDRENS FUND 3108 GLENDALE BLVD 506 LOS ANGELES CA 90039 N/A PC Empowering Youth in Cambodia Program 2000 ONE WORLD CHILDRENS FUND 3108 GLENDALE BLVD 506 LOS ANGELES CA 90039 N/A PC Empowering Youth in Cambodia Program 1500 PRODIGY VENTURES INC 3801 E 40TH AVE DENVER CO 80205 N/A PC General & Unrestricted 1000 PROTECT OUR DEFENDERS FOUNDATION 950 N WASHINGTON ST ALEXANDRIA VA 22314 N/A PC General & Unrestricted 1000 ST VRAIN VALLEY SCHOOL DISTRICT 395 S PRATT PKWY LONGMONT CO 80501 N/A PC St. Vrain Innovation Center 50000 THE CUBE CORP 3399 HOLLY ST DENVER CO 80207 N/A GOV General & Unrestricted 50000 THORNE ECOLOGICAL INSTITUTE PO BOX 19107 BOULDER CO 80308 N/A PC Nature Kids Lafayette Program 25000 WOMEN'S FOUNDATION OF COLORADO INC 1901 E ASBURY AVE 3RD FL DENVER CO 80208 N/A PC PEP Program 1000 289700 14 1680 14 206463 18 103400 K-1 Inc/Loss 14 2193 313736 313736 false false false false false false false false false false X X 1 Mayer John A 7 Upland Drive Greenwich CT 06831 505688 X 1 TEXAS PACIFIC LAND TRUST TPL, 12 sh. 9507 2019-04-01 1 ADOBE SYSTEMS, INC ADBE, 21 sh. 6486 2019-07-17 1 ADVANCED MICRO DEVICES INC AMD, 132 sh. 4474 2019-07-17 1 AMAZON COM AMZN, 60 sh. 120121 2019-07-17 1 AMAZON COM AMZN, 54 sh. 108109 2019-07-17 1 AUTODESK, INC ADSK, 69 sh. 11792 2019-07-17 1 AUTODESK, INC ADSK, 49 sh. 8374 2019-07-17 1 CSX CORP CSX, 248 sh. 17820 2019-07-17 1 CSX CORP CSX, 47 sh. 3377 2019-07-17 1 CHIPOTLE MEX GRILL CMG, 7 sh. 5298 2019-07-17 1 WALT DISNEY HOLDINGS CO DIS, 93 sh. 13348 2019-07-17 1 WALT DISNEY HOLDINGS CO DIS, 99 sh. 14209 2019-07-17 1 INTUIT INTU, 53 sh. 14906 2019-07-17 1 ESTEE LAUDER COMPANIES INC EL, 51 sh. 9689 2019-07-17 1 MASTERCARD INC MA, 189 sh. 52328 2019-07-17 1 MASTERCARD INC MA, 146 sh. 40423 2019-07-17 1 MICROSOFT CORP MSFT, 13 sh. 1782 2019-07-17 1 NETFLIX INC NFLX, 20 sh. 7283 2019-07-17 1 PAYPAL HOLDINGS, INC PYPL, 171 sh. 20417 2019-07-17 1 PAYPAL HOLDINGS, INC PYPL, 185 sh. 22088 2019-07-17 1 PROGRESSIVE CORP OHIO PGR, 171 sh. 13858 2019-07-17 JPMORGAN CHASE - 7.900% - 12/3 25440 32288 DODGE & COX FUNDS INTERNATIONA 135167 150808 DOUBLELINE TOTAL RETURN BOND 151052 146462 FIDELITY 500 INDEX FUND 677287 789049 FIDELITY INTERNATL INDEX INSTL 8558 8520 ISHARES 20+ YR TREAS BD 75233 70992 ISHARES CORE MSCI EAFE ETF 214501 223382 ISHARES TRUST MSCI EAFE INDEX 478945 573783 ISHARESLEHMAN 7-10YR 70500 73958 JPMORGAN BETA BUILDERS EUROPE 37848 40125 JPMORGAN BETABUILDERS CANADA E 138089 152965 JPMORGAN BETABUILDERS DEVELOPE 75436 73248 JPMORGAN BETABUILDERS JAPAN ET 139854 152197 JPMORGAN GLOBAL RESEARCH ENHAN 410693 491285 JPMORGAN U.S. LARGE CAP CORE P 167904 159175 JPMORGAN US I&G DOMESTIC REIT 970 1000 MFS INTERNATIONAL VALUE FUND C 143815 224467 NEUBERGER BERMAN MULTI CAP OPP 164481 189254 OAKMARK INTERNATIONAL FUND 155469 191266 PIMCO SHORT TERM FD INSTITUTIO 76487 76333 SPDR S&P 500 ETF TRUST 2055620 3138134 VANGUARD TOT INTL BOND IX ADMI 752486 766976 VANGUARD TOTAL BOND MARKET IND 551866 570819 JPM US RE I&G DOMESTIC LP 187148 293456 ORBIMED ROYALTIES III PRVTE IN 27738 17846 PEG GLOBAL PRIVATE EQUITY VIII 44327 37406 Administrative Fees 38916 38916 Foundation Dues & Memberships 750 750 K-1 Exp JPM US RE I&G DOMESTIC 5424 5424 State or Local Filing Fees 50 50 K-1 Inc/Loss JPM US RE I&G DOMESTIC LP 2193 2193 Investment Management Services 16882 16882 990-PF Estimated Tax for 2019 1900 990-PF Extension for 2018 6045