2024-11-14T23:43:55-06:00 2023-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2023-01-01 205700615 Mackenzie Family Foundation % Foundation Source MACK 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 shawn mackenzie treasurer 8008391754 2024-11-14 true true Jeffrey D Haskell P01345770 8008391754 2023 2024-10-15 13:58:12Z X 67279025 X 52 X 5257 5257 254895 254895 -454565 3644673 314653 1580806 1084837 1386445 1659642 0 23100 0 0 23100 7087 7087 121395 1478857 1124869 68848 1630439 1131956 0 91948 3545000 3545000 5175439 1131956 0 3636948 -3788994 527686 291161 650 650 2952850 2999844 2952850 2952850 8673373 7801513 7784561 44823527 42243898 56540964 56787905 52998911 67279025 0 0 X 56787905 52998911 56787905 52998911 56787905 52998911 56787905 -3788994 52998911 52998911 Publicly-traded Securities 3644673 3406104 238569 238569 Passthrough K1 Capital Gain/(Loss) 76084 314653 7335 7335 7335 96305 0 96305 X 0 88970 7400 81570 false false false false false true true false true true CA true false false false false true Foundation Source 8008391754 55 WALLS DRIVE FL 3 Fairfield CT 06824 false false false false false false false false false false false false false false false false false false false false false Alyson Mackenzie Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 Andrew Mackenzie Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir 1.0 0 0 0 Douglas Mackenzie Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Pres 1.0 0 0 0 Shawn Mackenzie Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Sec, Treas 1.0 0 0 0 Foundation Source 55 Walls Drive 3rd Fl Fairfield CT 06824 Administrative 68648 10103192 58659 56770960 66932811 0 66932811 1003992 65928819 3296441 3296441 7335 60044 67379 3229062 3229062 3229062 3636948 0 0 0 0 3636948 3229062 3293662 3636948 3293662 343286 0 0 2885776 0 0 Douglas Mackenzie Shawn Mackenzie X COMMUNITY CENTER FOR THE ARTS PO BOX 860 JACKSON WY 83001 N/A PC General Fund 20000 DOUG COOMBS FOUNDATION PO BOX 7665 JACKSON WY 83002 N/A PC Outdoor Youth Camps 10000 EAST PALO ALTO TENNIS AND TUTORING PO BOX 60597 PALO ALTO CA 94306 N/A PC General & Unrestricted 35000 EASTSIDE COLLEGE PREPARATORY SCHOOL INC 1041 MYRTLE ST E PALO ALTO CA 94303 N/A PC Outdoor Program Fund 40000 EAT LEARN PLAY FOUNDATION 647 4TH ST OAKLAND CA 94607 N/A PC General & Unrestricted 100000 LUCILE PACKARD FOUNDATION FOR CHILDRENS HEALTH 400 HAMILTON AVE SUITE 340 PALO ALTO CA 94301 N/A PC The Mackenzie Family NICU Facilities Fund 2000000 LUCILE PACKARD FOUNDATION FOR CHILDRENS HEALTH 400 HAMILTON AVE SUITE 340 PALO ALTO CA 94301 N/A PC THE PEDIATRIC HEALTH EQUITY ALLIANCE FUND 250000 MEMORIAL SLOAN-KETTERING CANCER CENTER The Societ PO BOX 27106 NEW YORK NY 10087 N/A PC Brain Tumor Center and Center for Cancer Vaccines 500000 PGA TOUR FIRST TEE FOUNDATION INC 13000 SAWGRASS VILLAGE CIR PONTE VEDRA BEACH FL 32082 N/A PC General & Unrestricted 150000 SUMMER SEARCH 304 12TH ST STE 4A OAKLAND CA 94607 N/A PC Summer Search Silicon Valley 40000 TETON COUNTY SEARCH & RESCUE FOUNDATION 300 S BATCH PLANT RD 1063 JACKSON WY 83001 N/A PC To Purchase of A Year-Round Rescue Helicopter to Teton County Search and Rescue Foundation 250000 TETON RAPTOR CENTER PO BOX 1805 5450 WEST HWY 22 WILSON WY 83014 N/A PC Annual Fund 25000 UNIVERSITY OF VIRGINIA DARDEN SCHOOL FOUNDATION PO BOX 7726 CHARLOTTESVILLE VA 22906 N/A SO III FI Chaplinsky Fund 25000 UNIVERSITY OF VIRGINIA DARDEN SCHOOL FOUNDATION PO BOX 7726 CHARLOTTESVILLE VA 22906 N/A SO III FI Bruner Fund for transformational learning 50000 WOMENS SPORTS FOUNDATION 247 W 30TH ST 5TH FL NEW YORK NY 10001 N/A PC The Tara Vanderveer Fund for the Advancement of Women in Coaching 50000 3545000 14 5257 14 254895 525990 140278 18 -594843 K-1 Inc/Loss 525990 483185 14 1083681 Federal Tax Refund 01 9832 STATE TAX REFUND 01 2443 CLASS ACTION LAWSUIT PROCEEDS 01 1665 623463 762930 1386393 false false false false false false false false false false Audit Fees 23100 23100 PART I LINE 6A (990-PF) part 1 Line 6A (990-PF) PART I LINE 6A (990-PF) - RECONCILIATION OF NET GAIN/(LOSS) FROM SALES OF ASSETS NOT INCLUDED IN PART IV TOTAL INCLUDED IN PART IV: (DETAILS BELOW) NET GAIN/(LOSS): $(594,843) TOTAL NOT INCLUDED IN PART IV: PASSTHROUGH K-1 CAPITAL GAIN/(LOSS) - UBI NET GAIN/(LOSS): $140,278 TOTAL PART I, LINE 6A: $(454,565) DETAILS OF ASSETS INCLUDED IN PART IV: PUBLICLY-TRAIDED SECURITIES GROSS SALES PRICE: $3,644,673 BOOK BASIS: $4,315,600 NET GAIN/(LOSS): $(670,927) PASSTHROUGH K-1 CAPITAL GAIN/(LOSS) - NON UBI NET GAIN/(LOSS): $76,084 ALLIANCEBERN GLOBAL BOND ADV 2625502 2425144 ALLIANCEBERNSTEIN GLOBAL CORE 1713223 1796452 ALPHABET INC CL C 794811 1127440 BERNSTEIN INTERMED DURATION IN 2667977 2435525 MAKENA CAPITAL ASSOC (US) LP 42243898 56540964 Administrative Fees 68648 68648 Bank Charges 2 2 K-1 Exp MAKENA CAPITAL ASSOC ( 1410007 1124867 State or Local Filing Fees 200 200 K-1 Inc/Loss MAKENA CAPITAL ASSOC (US) LP 1566866 1083172 Class Action Lawsuit Proceeds 1665 1665 Federal Tax Refund 9832 State Tax Refund 2443 Investment Management Services 7087 7087 990-PF Estimated Tax for 2023 32400 990-T Extension for 2022 61500 STATE INCOME TAX 2022 27495