2026-04-03T08:15:21-04:00 2025-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2025-01-01 300134969 The Rainbow Private Foundation Inc % Foundation Source RAIN 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Ashley Wu President 8008391754 2026-03-31 true Jeffrey D Haskell P01345770 8008391754 2025 2025-03-06 01:10:19Z X 5115278 X 0 X 2537 2537 193925 193925 151074 2951451 151074 347536 347536 0 27991 27991 9093 25272 25272 62356 27991 25272 250000 250000 312356 27991 275272 35180 319545 0 210852 77760 77760 2118 1015149 2279641 2405031 3589056 2494954 2632487 4817175 4852355 5115278 0 0 X 4817175 4852355 4817175 4852355 4817175 4852355 4817175 35180 4852355 4852355 Publicly-traded Securities 2951451 2800377 151074 151074 151074 4442 4442 4442 3800 0 3800 X 0 642 0 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 Ashley Wu Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Pres, Sec 1.0 0 0 0 Richard Wu Foundation Source 501 Silverside Rd Wilmington DE 198091377 VP, Dir 1.0 0 0 0 4866955 152791 0 5019746 0 5019746 75296 4944450 247223 247223 4442 4442 242781 242781 242781 275272 0 0 0 0 275272 242781 230395 2023 2022 2021 275272 230395 44877 0 0 197904 0 0 NONE X CITY OF NEW YORK PARKS AND RECREATION 830 5TH AVE NEW YORK NY 10065 N/A GOV Harlem Parks Upkeep Fund 150000 LINCOLN CENTER FOR THE PERFORMING ARTS INC PO BOX 22349 NEW YORK NY 10087 N/A PC Visa Support Sponsorship 100000 250000 14 2537 14 193925 18 151074 347536 347536 false false false false false false false false false false AIR LEASE CORP MTN - 3.250% - 46991 52547 AMGEN INC - 5.250% - 03/02/203 52481 52950 AT&T INC - 4.350% - 03/01/2029 50490 51266 BANK AMER CORP - 3.419% - 12/2 29056 29659 BANK OF AMERICA CORP - 6.630% 27675 28133 BANK OF NEW YORK MELLON CORP - 53636 53751 BK OF AMERICA CORP SER N MTN - 46807 54694 BOEING - 6.298% - 05/01/2029 53478 54177 BROADCOM INC - 4.350% - 02/15/ 50443 51376 CAPITAL ONE FINL COPR - 7.624% 49851 53159 CB RICHARD ELLIS SERVICES INC 53312 53327 CHARLES SCHWAB CORP - 4.000% - 24456 25841 CITIGROUP INC - 5.174% - 02/13 60616 62650 CITIGROUP INC - 6.020% - 01/24 53626 53515 CNO FINANCIAL GROUP INC - 6.45 51553 52983 CROWN CASTLE INC - 5.000% - 01 52746 52826 DELL INTERNATIONAL LLC / EMC C 51705 51300 DIGITAL RLTY TR LP - 4.450% - 52009 52352 DOMNION ENERGY INC - 5.950% - 52506 53340 DUKE ENERGY CORP - 2.450% - 06 46876 53794 EDISON INTL NOTE - 6.950% - 11 47173 49007 ENERGY TRANSFER LP - 6.550% - 55135 54892 ENERGY TRANSFER OPERATING LP - 47924 51408 EPR PPTYS - 3.750% - 08/15/202 46781 56221 GEORGIA POWER CO - 5.200% - 03 52970 54501 GOLDMAN SACHS - 3.814% - 04/23 80176 82540 GOLDMAN SACHS GROUP INC - 2.38 47782 56485 HCA INC NOTE CALL MAKE WHOLE - 80525 84774 HEWLETT PACKARD ENTERPRISE CO 50943 51436 JPMORGAN CHASE & CO - 4.005% - 52465 53965 JPMORGAN CHASE - 1.953% - 02/0 46424 55358 KIMCO REALTY CORP NOTE - 4.600 48722 55048 LPL HOLDINGS INC - 5.700% - 05 52462 53002 M & T BANK CORP - 0.000% - 07/ 53398 53560 META PLATFORMS INC - 4.750% - 53825 54571 MICRON TECHNOLOGY INC - 5.650% 54614 54745 ORACLE CORP NOTE - 6.250% - 11 48519 50170 PNC FINL SVCS GROUP INC BOND P 26908 27449 PRUDENTIAL FINANCIAL INC - 5.7 46488 51513 RTX CORP NOTE - 6.000% - 03/15 49318 50666 SABINE PASS LIQUEFACTION LLC - 46617 51255 SEMPRA NOTE CALL - 5.500% - 08 76537 80572 SOUTHWEST AIRLS CO - 5.125% - 51541 51649 STATE STR CORP NOTE - 4.421% - 47419 52834 T MOBILE USA INC NOTE - 3.375% 45806 50717 TRUIST FINL CORP - 5.435% - 01 46845 48691 US BANCORP MTN - 2.491% - 11/0 47920 60292 VERIZON COMMUNICATIONS INC - 2 50473 54720 WELLS FARGO - 2.393% - 06/02/2 78931 86806 FULLER & THALER BEHAVIORAL SML 221000 239328 GQG PARTNERS EMERGING MARKETS 251046 257571 INVESCO AEROSPACE & DEFENSE ET 126157 174212 INVESCO S&P 500 EQUAL WEIGHT E 639783 671092 ISHARES S&P GLOBAL I 131652 150211 PACER US SMALL CAP CASH COWS 1 255757 241571 SALIENT MLP & ENERGY INFRASTRU 249341 250140 VANGUARD FTSE EUROPEAN ETF 404905 420906 Administrative Fees 25187 25187 Postage/Delivery Service 60 60 State or Local Filing Fees 25 25 Investment Management Services 27991 27991 990-PF Estimated Tax for 2025 3800 990-PF Excise Tax for 2024 5293