2025-08-29T16:20:11-05:00 2024-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2024-01-01 911117863 Harry and Masie Masto Foundation dba masto foundation % THE FOUNDATION HARR 5306990337 58 COLLINGWOOD STREET san francisco CA 94114 Allison Sparks Executive Director 5306990337 2025-08-28 true true Jeffrey D Haskell P01345770 8008391754 2024 2025-03-06 01:10:19Z X X 8383899 X 0 X 9895 9895 134771 134771 97716 1109320 97716 242382 242382 191000 191000 30235 30235 15797 3949 0 11848 92619 67619 25000 17581 1653 16633 16633 46326 199 38689 410191 73420 0 313405 596522 545848 1006713 73420 0 859253 -764331 168962 0 217485 224575 224575 4023 4023 4023 100000 9948 10034 10034 6416355 6710997 6710997 1363162 1334270 1334270 297 100000 100000 8107247 8383899 8383899 8653 7438 187888 238562 24613 38192 221154 284192 X 515416 7370677 8099707 7886093 8099707 8107247 8383899 7886093 -764331 977945 8099707 8099707 Publicly-traded Securities 1109320 1011604 97716 97716 97716 2349 2349 2349 12383 0 12383 X 0 10034 10034 false false false false false false false true true CA WA true false false false true true www.mastofoundation.org THE FOUNDATION 5306990337 58 COLLINGTON ST san francisco CA 94114 false false true true true false false false false false false false false false false false false false false false false false Allison Sparks 58 COLLINGWOOD STREET san francisco CA 94114 Executive Dir 35.0 191000 0 0 Sherrie Sparks 58 COLLINGWOOD STREET san francisco CA 94114 Pres, Trustee 2.0 0 0 0 Tiffany Sparks 58 COLLINGWOOD STREET san francisco CA 94114 Trustee 1.0 0 0 0 Whittier Trust Company 520 Pike St ste 1415 SEATTLE WA 98101 inv mgmt & philanthr 101272 8068404 263362 0 8331766 0 8331766 124976 8206790 410340 410340 2349 2349 407991 407991 407991 859253 0 0 0 0 859253 407991 190765 244692 349005 562137 1346599 859253 407991 451262 1797861 0 1797861 190765 244692 349005 562137 451262 NONE X ASIAN AMERICAN FUTURES 15333 CULVER DR STE 340 PMB 2181 IRVINE CA 92604 N/A PC TO SUPPORT ASIAN AMERICAN FUTURES "IMAGINE INITIATIVE" 20000 ASIAN AMERICAN-PACIFIC ISLANDERS IN PHILANTHROPY 1714 FRANKLIN ST STE 100 PMB 386 OAKLAND CA 94612 N/A PC AAPIP EXPANDS FUNDING AND SUPPORT FOR AAPI COMMUNITIES THROUGH ADVOCACY, LEADERSHIP AND PHILANTHROPIC COLLABORATION 20000 ASTRAEA FOUNDATION INC 116 EAST 16TH ST 7TH FL NEW YORK NY 10003 N/A PC TO SUPPORT ASTRAEA'S US FUND FOR CRISIS PREPARATION 10000 CENTER FOR EMPOWERED POLITICS EDUCATION FUND 1212 BROADWAY STE 700 OAKLAND CA 94612 N/A PC QUEER CRESCENT - SUPPORT OF LGBTQ+ MUSLIMS THROUGH HEALING, ADVOCACY AND EMPOWERMENT 1250 CHINESE FOR AFFIRMATIVE ACTION 17 WALTER U LUM PL SAN FRANCISCO CA 94108 N/A PC FOR LAVENDER PHOENIX'S EFFORTS TO PROMOTE LIBERATION FOR LGBTQ+API COMMUNITIES 16500 COMMUNITY INITIATIVES 1000 BROADWAY STE 480 OAKLAND CA 94607 N/A PC TSURU FOR SOLIDARITY DIRECT ACTION PROJECTS WORKING TO END DETENTION SITES AND SUPPORT IMMIGRANTS 16500 DENSHO 1416 S JACKSON ST SEATTLE WA 98144 N/A PC TO SHARE HISTORY OF THE WWII INCARCERATION WITH JAPANESE AMERICANS TO PROMOTE EQUITY AND JUSTICE 15000 DONORS OF COLOR NETWORK INC 9450 SW GEMINI DR PMB 57981 BEAVERTON OR 97008 N/A PC TO SUPPORT DOCN'S CROSS-NACIAL NETWORK OF DONORS ADVANCING JUSTICE 10000 FRIENDS OF MAJAL INC 10733 E HAWK AVE MESA AZ 85212 N/A PC TO SUPPORT AN ARAB LANGUAGE PLATFORM AND ONLINE COMMUNITY FOR LGBTQ PEOPLE IN THE MIDDLE EAST 10000 FRIENDS OF MINIDOKA INC PO BOX 1085 TWIN FALLS ID 83303 N/A PC TO ENGAGE IN AND SUPPORT EDUCATION, RESEARCH, AND HISTORIC PRESERVATION OF WWII INCARCERATION 20000 FUND FOR CONSTITUTIONAL GOVERNMENT 1100 13TH ST NW STE 800 WASHINGTON DC 20005 N/A PC FOR KESEB'S EFFORTS TO COUNTER AUTHORITARIANISM AND ADVANCE INCLUSIVE AND RESILIENT DEMOCRACIES 21400 FUNDERS FOR LESBIAN AND GAY ISSUES INC 45 WEST 36TH ST 8TH FLOOR NEW YORK NY 10018 N/A PC FUNDING FORWARD 2025 sponsorship 5000 HORIZONS FOUNDATION 155 SANSOME ST STE 650 SAN FRANCISCO CA 94104 N/A PC ANNUAL BOARD DISCRETIONARY 10000 INSIGHT KASHTANOVA ST 15 APP 33 KIEV KYIV UP 02225 N/A PC TO SUPPORT LBQ HUMAN RIGHTS, ADVOCACY, AND SOCIAL SERVICES IN UKRAINE 5000 JAPANESE AMERICAN CITIZENS LEAGUE PO BOX 5323 KENT WA 98064 N/A PC TO SUPPORT CREATION OF THE REMEMBERANCE GALLERY AT THE PUYALLUP 20000 JAPANESE AMERICAN NATIONAL MUSEUM 100 N CENTRAL AVE LOS ANGELES CA 90012 N/A PC TO SUPPORT THE JANM'S IREICHO - (SACRED BOOK OF NAMES) HONORING JAPANESE-AMERICANS INCARCERATED IN WWII 5000 KULTIVATE LABS 1010 MISSION ST SAN FRANCISCO CA 94103 N/A PC TO SUPPORT KOHO - A VIBRANT NEW ARTS AND CULTURE CENTER IN JAPANTOWN 22223 LILITH FUND PO BOX 684949 AUSTIN TX 78768 N/A PC TO SUPPORT FREEDOM AND ACCESS TO ABORTION CARE FOR WOMEN IN TEXAS 10000 LTSC COMMUNITY DEVELOPMENT CORPORATION 231 E 3RD ST STE G106 LOS ANGELES CA 90013 N/A PC OKAERI'S COMMUNITY BUILDING EFFORTS FOR LGBTQ+ JAPANESE-AMERICANS, FAMILIES AND ALLIES 5435 LTSC COMMUNITY DEVELOPMENT CORPORATION 231 E 3RD ST STE G106 LOS ANGELES CA 90013 N/A PC END OF YEAR MATCH CHALLENGE GRANT FOR OKAERI 11000 LTSC COMMUNITY DEVELOPMENT CORPORATION 231 E 3RD ST STE G106 LOS ANGELES CA 90013 N/A PC FOR OKAERI'S SUPPORT FOR LGBTQ+ INDIVIDUALS, THEIR FAMILIES AND LOVED ONES WITHIN THE NIKKEI (JAPANESE-AMERICAN) COMMUNITY 3227 MAHOGANY PROJECT 9896 BISSONNET ST STE 550 HOUSTON TX 77036 N/A PC TO SUPPORT WORK THAT REDUCES SOCIAL ISOLATION AND STIGMA FACED BY BLACK TRANSGENDER WOMEN 5000 MUFG UNION BANK CARES FUND 445 SOUTH FIGUEROA ST SUITE 401 LOS ANGELES CA 90071 N/A PC TO SUPPORT SAME-SEX MARRIAGE EDUCATION AND ADVOCACY EFFORTS IN JAPAN 52360 NATIONAL JAPANESE AMERICAN MEMORIAL FOUNDATION 4200 WISCONSIN AVE 106-236 WASHINGTON DC 20016 N/A PC TO SUPPORT CAPACITY BUILDING AND FUNDRAISING EFFORTS FOR THE JAPANESE-AMERICAN CONFINEMENT SITES CONSORTIUM 20000 NEW BREATH FOUNDATION 1999 HARRISON ST STE 1800 OAKLAND CA 94612 N/A PC FOR NEW BREATH FOUNDATION'S COLLECTIVE LIBERATION EVENT 5000 OUTRIGHT ACTION INTERNATIONAL 216 E 45TH ST FL 17 NEW YORK NY 10017 N/A PC TO STRENGTHEN THE CAPACITY OF THE LGBTQI RIGHTS MOVEMENT INTERNATIONALLY 20000 POSSIBILITY LABS 1410 FRANKLIN ST 135 SAN FRANCISCO CA 94109 N/A PC to SUPPORT the DEVelopment OF THE MOONSOON VENTURE CAPITAL FUND FOR INDIGENOUS WOMEN 26250 RE POWER FUND 2136 FORD PKWY 5523 ST PAUL MN 55116 N/A PC TO SUPPORT CAPACITY BUILDING AND TRAINING FOR BIPOC LEADERS AND SOCIAL JUSTICE 15000 REUNION OF AFRICAN DESCENDANTS INC 2214 8TH AVE 152 NEW YORK NY 10026 N/A PC ROAD EMPOWERS FORMERLY INCARCERATED INDIVIDUALS LEADERSHIP AND ORGANIZING TO ADVANCE SOCIAL JUSTICE 1250 SAN DIEGO ALLIANCE FOR ASIAN PACIFIC ISLANDER AMER 3298 GOVERNOR DR SAN DIEGO CA 92122 N/A PC TO SUPPORT ASIAN AMERICAN AND PACIFIC ISLANDERS IN HISTORICAL PRESERVATION'S 2024 FORUM 3000 SAVE OUR SISTERS UNITED 4110 ALMEDA RD UNIT 8471 HOUSTON TX 77288 N/A PC SOSU SUPPORT OF BLACK TRANSGENDER WOMEN IN HOUSTON THROUGH ADVOCACY AND COMMUNITY BUILDING 5000 THE FIELD 228 PARK AVE S STE 97217 NEW YORK NY 10003 N/A PC TO SUPPORT MARSHA'S PLATE WEEKLY PODCAST THAT CENTERS ON BLACK TRANSGENDER WOMEN 1350 TIDES FOUNDATION PO BOX 889389 LOS ANGELES CA 90088 N/A PC FOR EQUALITY WITHOUT BORDERS GRANTEES 36333 TRANSGENDER LAW CENTER PO BOX 741803 LOS ANGELES CA 90074 N/A PC THE BLACK LGBTQIA MIGRANT PROJECT TO BUILD COMMUNITY AT THE INTERSECTION OF BLACK AND MIGRANT EXPERIENCES 1250 VISIBLE FIGURES 1434 DUKE ST ALEXANDRIA VA 22314 N/A PC TO SUPPORT THE COMMUNITY BUILDING AND ADVANCEMENT OF BLACK FEMALE AND NON-BINARY ENTREPRENEURS 7500 CHINESE FOR AFFIRMATIVE ACTION 17 WALTER U LUM PL SAN FRANCISCO CA 94108 n/a PC IN HONOR OF LAVENDER PHOENIX'S 20TH ANNIVERSARY 5500 HORIZONS FOUNDATION 155 SANSOME ST STE 650 san francisco CA 94104 n/a PC ANNUAL BOARD DISCRETIONARY 10000 HORIZONS FOUNDATION 155 SANSOME ST STE 650 san francisco CA 94104 n/a PC ANNUAL BOARD DISCRETIONARY 10000 HORIZONS FOUNDATION 155 SANSOME ST STE 650 san francisco CA 94104 n/a PC FOR HORIZONS FOUNDATION'S ANNUAL GALA 10000 HORIZONS FOUNDATION 155 SANSOME ST STE 650 san francisco CA 94104 n/a PC FOR JULY MUNOZ SPIRIT AWARD TO PROMOTE LGBTQ COMMUNITY BUILDING IN THE BAY AREA 10000 KULTIVATE LABS 1010 MISSION ST san francisco CA 94103 n/a PC to support KOHO SPACE RENOVATION 11000 TIDES FOUNDATION PO BOX 889389 los angeles CA 90088 n/a PC FREEDOM TO MARRY GLOBAL'S CAMPAIGN TO ADVANCE MARRIAGE FOR SAME-SEX COUPLES 10320 VISIBLE FIGURES 1434 DUKE ST alexandria VA 22314 n/a PC ADDITIONAL ADD-ON GRANT FOR VISIBLE FIGURES FROM THE TRUST BLACK WOMEN INITIATIVE 20000 COMMUNITY INITIATIVES 1000 BROADWAY STE 480 OAKLAND CA 94607 N/A PC TSURU FOR SOLIDARITY KINTSUGI CONFERENCE SPONSORSHIP 2200 545848 CHINESE FOR AFFIRMATIVE ACTION 17 WALTER U LUM PL San Francisci CA 94108 n/a PC FOR LAVENDER PHONEIX'S EFFORTS TO PROMOTE LIBERATION FOR LGBTQ+API COMMUNITIES 16500 DENSHO 1416 S JACKSON ST Seattle WA 98144 n/a PC TO SHARE HISTORY OF THE WWII INCARCERATION OF JAPANESE AMERICANS TO PROMOTE EQUITY AND JUSTICE 15000 KULTIVATE LABS 1010 MISSION ST San Francisco CA 94103 n/a PC TO SUPPORT KOHO, A VIBRANT NEW ARTS AND CULTURE CENTER IN JAPANTOWN 22223 NATIONAL NETWORK OF ABORTION FUNDS - LILITH FUND po box 684949 Austin TX 78768 n/a PC TO SUPPORT REPRODUCTIVE FREEDOM AND ACCESS TO ABORTION CARE FOR WOMEN IN TEXAS 20000 TIDES FOUNDATION PO BOX 889389 Los Angeles CA 90088 n/a PC FREEDOM TO MARRY GLOBAL'S CAMPAIGN TO ADVANCE MARRIAGE FOR SAME-SEX COUPLES 30960 LTSC COMMUNITY DEVELOPMENT CORPORATION 231 E 3RD STREET STE G106 Los Angeles CA 90013 n/a PC OKAERI'S COMMUNITY BUILDING EFFORTS FOR LGBTQ+ JAPANESE-AMERICANS, FAMILIES, AND ALLIES 16305 HORIZONS FOUNDATION 155 SANSOME ST STE 650 san francisco CA 94104 n/a PC for the july MUNOZ SPIRIT AWARD TO PROMOTE LGBTQ COMMUNITY BUILDING IN THE BAY AREA 10000 RE POWER FUND 2136 FORD PARKWAY 5523 st pau MN 55116 n/a PC TO SUPPORT CAPACITY BUILDING AND TRAINING FOR BIPOC LEADERS AND SOCIAL JUSTICE 15000 COMMUNITY INITIATIVES 1000 BROADWAY STE 480 oakland CA 94607 n/a PC TO SUPPORT TSURU FOR SOLIDARITY DIRECT ACTION PROJECTS WORKING TO END DETENTION SITES AND SUPPORT IMMIGRANTS 16500 SOUTHWEST INDIGENOUS WOMEN'S coalition 6936 E LOBO AVE mesa AZ 85209 n/a PC FOR THE NATIONAL LGBTQ+TWO SPIRIT equity center 57500 SEATTLE INDIAN HEALTH BOARD 611 12 ave s seattle WA 98144 n/a PC TO SUPPORT URBAN INDIAN HEALTH INSTITUTE'S DATA GATHERING AND RESEARCH THAT STRENGTHENS NATIVE COMMUNITIES 11500 ASIAN AMERICAN WORMEN'S POLITICAL initiative 35 FAYWOOD AVE APT 2 east boston MA 02128 n/a PC TO SUPPORT THE ONLY POLITICAL LEADERSHIP ORGANIZATION FOR AAPI WOMEN IN THE US 20000 251488 14 9895 14 134771 18 97716 242382 242382 false false false false false false false false false false Tax Return Preparation/Review 15797 3949 11848 Form 990-PF, Parts I and XIV FORM 990-PF, PARTS I AND XIV TOTAL FORM 990-PF, PART I LINE 25 COLUMN (D) AND PART XIV LN 3A: $545,848 DECREASED BY GRANTS AUTHORIZED IN PRIOR YEAR TO BE PAID IN CURRENT YEAR: $187,888 INCREASED BY GRANTS AUTHORIZED IN CURRENT YEAR TO BE PAID in future years: $251,488 less discount on grants authorized in current year to be paid next year: $12,926 TOTAL FORM 990-PF, PART I LINE 25 COLUMN (A): $596,522 Part XII (990-PF) Undistributed Income Part XII (990-PF) - Undistributed Income The amounts of the excess grants carryover shown in Part XII, Line 3, in respect of the taxable years comprising the "adjustment period", as such term is defined in IRC Section 4942(i)(2), has been corrected to reflect a Program Related Investment made in 2023 in lieu of filing amended returns for such year. The Foundation would not have been subject to any penalties under IRC Section 4942 if the original returns filed for the taxable years comprising the adjustment period had reflected the corrected excess grants carryover amounts. ISHARES ESG AWARE US 623830 623830 CALVERT SHORT DURATION INCOME 361324 361324 ISHARES TRUST ESG AWARE USD CO 349116 349116 ADVANCED MICRO DEVICES INC 41552 41552 ALPHABET INC CL C 392116 392116 AMAZON COM 217854 217854 AMERICAN EXPRESS CO 70042 70042 APPLE INC 458269 458269 APPLIED MATERIALS INC 53180 53180 BOSTON PPTYS INC 48557 48557 CADENCE DESIGN SYSTEMS INC 60993 60993 CBRE GROUP 55798 55798 CISCO SYSTEMS INC 45347 45347 CITIGROUP INC 49343 49343 CME GROUP, INC 44124 44124 COLGATE-PALMOLIVE COMPANY 32637 32637 CUMMINS INC 52987 52987 DANAHER CORP 59913 59913 DOW INC 37802 37802 EATON CORP PLC 152992 152992 ECOLAB INC 64672 64672 ELEVANCE HEALTH INC 27668 27668 ELI LILLY & CO 152856 152856 ESTEE LAUDER COMPANIES INC 22269 22269 ETSY INC 14386 14386 EXELON CORPORATION 31843 31843 GENERAL MILLS INC 29462 29462 INTEL CORP 24581 24581 INTUIT 56565 56565 ISHARES MSCI USA ESG ETF 52405 52405 ISHARES TRUST ISHARES MSCI EAF 206339 206339 JP MORGAN CHASE 223170 223170 KIMBERLY CLARK CORP 17690 17690 LOWES COMPANIES INC 65402 65402 LULULEMON ATHLETICA INC 43977 43977 MARSH AND MCLENNAN COMPANIES I 67546 67546 MASTERCARD INC 50024 50024 MEDTRONIC PLC 35387 35387 MERCK & CO INC 64861 64861 MICROSOFT CORP 83457 83457 MONDELEZ INTERNATIONAL INC 17083 17083 NUVEEN ESG MID-CAP GROWTH ETF 1000145 1000145 NUVEEN ESG SMALL-CAP ETF 462084 462084 NVIDIA CORP 512989 512989 PAYPAL HOLDINGS, INC 38664 38664 PEPSICO INC 32085 32085 PROCTER GAMBLE CO 63539 63539 QUALCOMM INC 44703 44703 RBC EMERGING MARKETS EQUITY I 260645 260645 S&P GLOBAL INC COM 97116 97116 SALESFORCE.COM 198926 198926 SERVICE NOW 71028 71028 SPDR TR/SSGA GENDER DIVERSITY 147644 147644 STANLEY BLACK & DECKER INC 33481 33481 STARBUCKS CORP COM 62233 62233 T-MOBILE US INC 27812 27812 TARGET CORPORATION 4866 4866 TEXAS INSTRUMENTS INC 77629 77629 UNITED PARCEL SERVICE 25346 25346 UNITED RENTALS INC 65513 65513 UNITEDHEALTH GROUP INC 93584 93584 VERALTO CORPORATION 8861 8861 VERIZON COMMUNICATIONS 18315 18315 VISA INC 100817 100817 XYLEM INC 37823 37823 PRI-JUST TRANSITION INT CAP 0% 100000 100000 Administrative Fees 16401 8963 EQUIVALENCY DETERMINATION FEES 500 500 Digital Subscriptions 1596 199 1397 Foundation Dues & Memberships 18121 18121 Indemnification Insurance 750 750 Office Supplies 1029 1029 State or Local Filing Fees 110 110 Website Hosting/Support 553 553 PROFESSIONAL DEVELOPMENT 7266 7266 UNREALIZED CAPITAL GAINS 977110 TO ADJ PRIOR YR PPD TAXES TO ACTUAL 835 DEFERRED EXCISE TAXES 24613 38192 Investment Management Services 67619 67619 PHILANTHROPIC SERVICES 25000 25000 990-PF TAX FOR 2024 2349 Foreign Tax Paid 1653 1653 INCR. IN DEFERRED EXCISE TAXES 13579