2024-09-19T13:16:04-05:00 2023-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2023-01-01 841979492 Platt Family Foundation Inc % Foundation Source PLAT 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 Ira Platt president 8008391754 2024-09-11 true true Jeffrey D Haskell P01345770 8008391754 2023 2024-08-08 14:25:15Z X 2654347 X 0 X 2034 2034 98320 98320 -111684 1528641 0 -4952 509 -16282 100863 0 1100 21241 5837 15324 22341 5837 15324 122950 122950 145291 5837 138274 -161573 95026 767227 169576 169576 2041109 2144991 1972880 130913 463109 511891 2939249 2777676 2654347 0 0 X 2939249 2777676 2939249 2777676 2939249 2777676 2939249 -161573 2777676 2777676 Publicly-traded Securities 1528641 1639358 -110717 -110717 Passthrough K1 Capital Gain/(Loss) -967 -111684 1321 1321 1321 1248 0 200 1448 X 0 127 127 false false false false false false false true true UT true false false false false true Foundation Source 8008391754 501 Silverside Road Suite 123 Wilmington DE 198091377 true CA false false false false false false false false false false false false false false false false false false false false Ben Platt Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, TREAS 1.0 0 0 0 Georgiana Platt Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, VP 1.0 0 0 0 Ira Platt Foundation Source 501 Silverside Rd Wilmington DE 198091377 Pres, Dir 1.0 0 0 0 Jeremy Platt Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, SEC 1.0 0 0 0 2249592 178813 196528 2624933 0 2624933 39374 2585559 129278 129278 1321 1321 127957 127957 127957 138274 0 0 0 0 138274 127957 2021 2020 2019 38329 38329 138274 127957 10317 48646 0 48646 38329 10317 Georgiana Platt Ira Platt X BRIDGEPORT RESCUE MISSION INC 725 PARK AVE BRIDGEPORT CT 06604 N/A PC General & Unrestricted 500 CHRIST & HOLY TRINITY CHURCH 55 MYRTLE AVE WESTPORT CT 06880 N/A PC General & Unrestricted 5200 DUKE UNIVERSITY BOX 90581 DURHAM NC 27708 N/A PC General & Unrestricted 2500 FAIRFIELD THEATRE COMPANY INC 70 SANFORD ST FAIRFIELD CT 06824 N/A PC Charitable Event 15000 FJC 225 W 39TH ST 12TH FL NEW YORK NY 10018 N/A PC Forest-Pfeiffer Kidney Match Fund 15000 FOXG1 RESEARCH INC ONE LUCKENBACH LN SANDS POINT NY 11050 N/A PC General & Unrestricted 1500 FRIENDS OF THE ISRAEL DEFENSE FORCES PO BOX 4224 NEW YORK NY 10163 N/A PC General & Unrestricted 7500 GRACE AT THE GREEN LIGHT INC 330 CARONDELET ST NEW ORLEANS LA 70130 N/A PC General & Unrestricted 2500 KIMBALL ART CENTER PO BOX 1478 PARK CITY UT 84060 N/A PC General & Unrestricted 10000 LAFAYETTE SQUARE CONSERVANCY 625 ST CHARLES AVE APT 5E NEW ORLEANS LA 70130 N/A PC General & Unrestricted 1000 LEAVING A POSITIVE LEGACY INC 2020 NE 35TH ST LIGHTHOUSE PT FL 33064 N/A PC General & Unrestricted 2500 MOUNTAIN TOWN STAGES PO BOX 680896 PARK CITY UT 84068 N/A PC General & Unrestricted 1500 NATIONAL ABILITY CENTER 1000 ABILITY WAY PARK CITY UT 84060 N/A PC General & Unrestricted 7500 NEAR & FAR AID ASSOCIATION INC PO BOX 717 SOUTHPORT CT 06890 N/A PC General & Unrestricted 5000 NEW ORLEANS MUSICIANS ASSISTANCEFOUNDATION 1525 LOUISIANA AVE NEW ORLEANS LA 70115 N/A PC Charitable Event 2000 PAN-MASSACHUSETTS CHALLENGE INC 77 4TH AVENUE NEEDHAM MA 02494 N/A PC Charitable Event 500 PEGGY LILLIS FOUNDATION 415 AVE C 4D BROOKLYN NY 11218 N/A PC General & Unrestricted 5000 PELOTONIA 450 W BROAD ST COLUMBUS OH 43215 N/A PC Charitable Event 250 PLANNED PARENTHOOD GULF COAST INC 4600 GULF FWY HOUSTON TX 77023 N/A PC New Orleans or Louisiana operations 1000 SON OF A SAINT PO BOX 19205 NEW ORLEANS LA 70119 N/A PC Charitable Event 16000 ST MARYS FOUNDATION FOR CHILDREN 2901 216TH ST BAYSIDE NY 11360 N/A PC Charitable Event 1000 THE ADMINISTRATORS OF THE TULANE EDUCATIONAL FUND PO BOX 669394 DALLAS TX 75266 N/A PC Platt Family Scholarship Fund 20000 122950 14 2034 14 98320 18 -111684 K-1 Inc/Loss 525990 -5461 14 509 -5461 -10821 -16282 false false false false false false false false false false 990-PF 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. ACREAGE HOLDINGS FLTNG SUB VTG 321941 2561 ALEXANDRIA REAL ESTATE EQUITIE 254129 243829 ALPHABET INC CL C 134015 140930 ARMADA HOFFLER PROPERTIES INC 158705 136445 BLACKSTONE MORTGAGE TRUST INC 254690 210412 EPR PROPERTIES 245557 248627 FEDERAL REALTY INVESTMENT TRUS 102478 108871 GOLDMAN SACHS TREASURYACCESS 0 50005 49870 MICROSOFT CORP 242041 385332 RICK'S CABARET INTERNATIONAL, 100000 132520 VICI PROPERTIES INC 281430 313483 AMBERSTONE VENTURES FD 1 LP 162655 196528 ENERGY TRANSFER LP 102841 110400 MPLX LP 99861 106488 PLAINS ALL AMERICAN PIPELINE L 97752 98475 Administrative Fees 15324 15324 Bank Charges 25 25 K-1 Exp AMBERSTONE VENTURES FD 5662 5662 K-1 Exp ENERGY TRANSFER LP 112 37 K-1 Exp MPLX LP 2 K-1 Exp PLAINS ALL AMERICAN PI 116 113 K-1 Inc/Loss AMBERSTONE VENTURES FD 1 LP 404 404 K-1 Inc/Loss ENERGY TRANSFER LP -1473 68 K-1 Inc/Loss MPLX LP -2623 12 K-1 Inc/Loss PLAINS ALL AMERICAN PIPELINE LP -1260 25 990-PF Estimated Tax for 2023 1100