2024-11-15T16:46:15-06:00 2023-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2023-01-01 356951044 Burnham Family Foundation % Foundation Source BURN 8008391754 FOUNDATION SOURCE 501 SILVERSIDE RD Wilmington DE 198091377 SOFIA GARCELON EXECUTIVE DIRECTOR 8008391754 2024-11-15 true true Jeffrey D Haskell 8008391754 2023 2024-10-15 13:58:12Z X X 65344173 X 5027609 13066 13066 950023 950023 2292047 19190913 2286206 45518 31970 8328263 3281265 0 150000 150000 12750 12750 10632 0 0 10632 27755 4125 0 23630 76465 75985 480 41766 5766 2860 2860 113313 73618 39695 435541 159494 0 240047 3048879 3048879 3484420 159494 0 3288926 4843843 3121771 1357488 436083 436083 6211132 6271999 7797137 37372723 46397508 35647110 7783546 12238583 44801735 51803484 65344173 0 0 X 44801735 51803484 44801735 51803484 44801735 51803484 44801735 4843843 2157906 51803484 51803484 Publicly-traded Securities 19190913 16801675 2389238 2389238 Passthrough K1 Capital Gain/(Loss) -103032 2286206 43393 43393 43393 48690 0 12300 60990 X 0 17597 17597 false false false false false true true false true true NY true false false false true true N/A 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 Mary Buttrick Burnham FOUNDATION SOURCE 501 SILVERSIDE RD Wilmington DE 198091377 Trustee 1.0 0 0 0 R Bradford Burnham III FOUNDATION SOURCE 501 SILVERSIDE RD Wilmington DE 198091377 Trustee 1.0 0 0 0 SOFIA GARCELON PO BOX 855 OLD LYME CT 06371 EXECUTIVE DIRECTOR 40.0 150000 Fidelity 1261 Post Road FAIRFIELD CT 06824 Investment Mgmt 75985 44151653 713683 10257329 55122665 0 55122665 826840 54295825 2714791 2714791 43393 1335 44728 2670063 2670063 2670063 3288926 0 0 0 0 3288926 2670063 2061843 3288926 2061843 1227083 0 0 1442980 0 0 Mary Buttrick Burnham R Bradford Burnham III X ARCHITECTURAL LEAGUE OF NEW YORK 594 BROADWAY RM 607 NEW YORK NY 10012 N/A PC General & Unrestricted 10000 BILLION OYSTER PROJECT 10 SOUTH ST SLIP 7 NEW YORK NY 10004 N/A PC General & Unrestricted 32314 DYSLEXIA ALLIANCE FOR BLACK CHILDREN 131 ELM ST B NEW ROCHELLE NY 10805 N/A PC General & Unrestricted 101254 EL EDUCATION INC 247 WEST 35TH ST 8TH FLOOR NEW YORK NY 10001 N/A PC General & Unrestricted 20501 ENVIRONMENTAL ADVOCATES NY INC 353 HAMILTON ST ALBANY NY 12210 N/A PC General & Unrestricted 20501 FARMLINK PROJECT 3680 WILSHIRE BLVD STE P04 1590 LOS ANGELES CA 90010 N/A PC General & Unrestricted 20074 FIDELITY INVESTMENTS CHARITABLE GIFT FUND 245 SUMMER ST MZ-NM438 BOSTON MA 02210 N/A PC General & Unrestricted 2443708 GLYNWOOD CENTER INC PO BOX 157 362 GLYNWOOD RD COLD SPRINGS NY 10516 N/A PC General & Unrestricted 10000 LIGHTHOUSE WORKS INC 1070 MONTAUK AVE 385 FISHERS ISLAND NY 06390 N/A PC General & Unrestricted 80882 LITERACY INC PO BOX 822 KATONAH NY 10536 N/A PC General & Unrestricted 60715 MUSIC FORWARD 1275 PROSPECT AVE BROOKLYN NY 11218 N/A PC Charitable Event 4500 NEW VISIONS FOR PUBLIC SCHOOLS INC 205 E 42ND ST 4TH FL NEW YORK NY 10017 N/A PC Literacy Academy Collective 100000 NEWTOWN CREEK ALLIANCE INCORPORATED 520 KINGSLAND AVE 3RD FL BROOKLYN NY 11222 N/A PC General & Unrestricted 15000 OPEN SPACE INSTITUTE INC 1370 BROADWAY 5TH FL NEW YORK NY 10018 N/A PC General & Unrestricted 100929 RIVERKEEPER INC 20 SECOR RD OSSINING NY 10562 N/A PC SWIM Coalition 8000 WIKIMEDIA FOUNDATION INC PO BOX 98204 WASHINGTON DC 20090 N/A PC General & Unrestricted 20501 3048879 14 13066 14 950023 525990 5841 18 2286206 K-1 Inc/Loss 525990 13548 14 31970 19389 3281265 3300654 false false false false false false false false false false X X 1 Burnham III R Bradford PO Box 855 Old Lyme CT 06371 5027609 X 1 MONGODB INC CL A MDB, 13691 sh. 5027609 2023-10-11 Bookkeeping 1800 1800 General Consultations 6355 4125 2230 Tax Return Preparation/Review 19600 19600 IN-KIND GRANTS PART I LINE 25 AND PART XIV LINE 3A DISTRIBUTIONS OF PROPERTY VALUE AT FAIR MARKET VALUE AT DATE OF DISTRIBUTION METHOD FOR DETERMINING FMV OF SECURITIES: AVERAGE OF HIGH/LOW ON DATE GRANTED TO CHARITY METHOD OF DETERMINING BOOK VALUE OF SECURITIES: COST OR AVERAGE OF HIGH/LOW ON DATE CONTRIBUTED TO FOUNDATION TOTAL FAIR MARKET VALUE OF PROPERTY: $2,894,379 TOTAL BOOK VALUE OF PROPERTY: $736,473 TOTAL CASH PORTION OF GRANTS: $- TOTAL AMOUNT OF GRANTS: $2,894,379 FORM 990-PF, PART III, LINE 3 - OTHER INCREASES/DECREASES: $2,157,906 DETAILS OF ITEMS GRANTED: DESCRIPTION OF PROPERTY: AIRBUS GROUP SE UNITS: 1277 DATE OF DISTRIBUTION: 1/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $165,413 BOOK VALUE OF PROPERTY: $148,752 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $165,413 DESCRIPTION OF PROPERTY: HEICO CORP UNITS: 566 DATE OF DISTRIBUTION: 1/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $94,590 BOOK VALUE OF PROPERTY: $11,786 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $94,590 DESCRIPTION OF PROPERTY: FIRST REPUBLIC BANK UNITS: 373 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $51,400 BOOK VALUE OF PROPERTY: $12,581 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $51,400 DESCRIPTION OF PROPERTY: ADVANCE AUTO PARTS INC UNITS: 2714 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $403,355 BOOK VALUE OF PROPERTY: $315,404 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $403,355 DESCRIPTION OF PROPERTY: LABCORP HLDGS INC UNITS: 1300 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $335,179 BOOK VALUE OF PROPERTY: $37,758 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $335,179 DESCRIPTION OF PROPERTY: LENDINGCLUB CORPORATION UNITS: 33428 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $363,028 BOOK VALUE OF PROPERTY: $1 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $363,028 DESCRIPTION OF PROPERTY: LOWES COMPANIES INC UNITS: 233 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $47,791 BOOK VALUE OF PROPERTY: $20,550 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $47,791 DESCRIPTION OF PROPERTY: ROPER INDUSTRIES UNITS: 700 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $310,121 BOOK VALUE OF PROPERTY: $30,618 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $310,121 DESCRIPTION OF PROPERTY: ROLLINS INC UNITS: 1449 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $52,381 BOOK VALUE OF PROPERTY: $13,076 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $52,381 DESCRIPTION OF PROPERTY: MICROSOFT CORP UNITS: 173 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $41,966 BOOK VALUE OF PROPERTY: $16,208 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $41,966 DESCRIPTION OF PROPERTY: WATERS CORP UNITS: 943 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $324,109 BOOK VALUE OF PROPERTY: $30,851 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $324,109 DESCRIPTION OF PROPERTY: UNITEDHEALTH GROUP INC UNITS: 140 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $95,900 BOOK VALUE OF PROPERTY: $5,773 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $95,900 IN-KIND GRANTS PART I LINE 25 AND PART XIV LINE 3A DESCRIPTION OF PROPERTY: TRANSDIGM GRP INC UNITS: 126 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $31,001 BOOK VALUE OF PROPERTY: $7,098 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $31,001 DESCRIPTION OF PROPERTY: SHERWIN-WILLIAMS CO UNITS: 1508 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $84,237 BOOK VALUE OF PROPERTY: $61,255 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $84,237 DESCRIPTION OF PROPERTY: SCHLUMBERGER LTD UNITS: 89 DATE OF DISTRIBUTION: 01/23/2023 GRANT RECIPIENT: FIDELITY INVESTMENTS CHARITABLE GIFT FUND FMV OF PROPERTY: $43,237 BOOK VALUE OF PROPERTY: $24,042 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $43,237 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 64 DATE OF DISTRIBUTION: 7/10/2023 GRANT RECIPIENT: BILLION OYSTER PROJECT FMV OF PROPERTY: $25,314 BOOK VALUE OF PROPERTY: $40 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $25,314 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 256 DATE OF DISTRIBUTION: 07/11/2023 GRANT RECIPIENT: DYSLEXIA ALLIANCE FOR BLACK CHILDREN FMV OF PROPERTY: $101,254 BOOK VALUE OF PROPERTY: $161 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $101,254 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 52 DATE OF DISTRIBUTION: 07/11/2023 GRANT RECIPIENT: ENVIRONMENTAL ADVOCATES NY INC FMV OF PROPERTY: $20,501 BOOK VALUE OF PROPERTY: $33 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $20,501 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 52 DATE OF DISTRIBUTION: 07/11/2023 GRANT RECIPIENT: FARMLINK PROJECT FMV OF PROPERTY: $20,074 BOOK VALUE OF PROPERTY: $33 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $20,074 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 205 DATE OF DISTRIBUTION: 07/11/2023 GRANT RECIPIENT: LIGHTHOUSE WORKS INC FMV OF PROPERTY: $80,882 BOOK VALUE OF PROPERTY: $129 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $80,882 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 154 DATE OF DISTRIBUTION: 07/11/2023 GRANT RECIPIENT: LITERACY INC. FMV OF PROPERTY: $60,715 BOOK VALUE OF PROPERTY: $97 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $60,715 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 256 DATE OF DISTRIBUTION: 07/11/2023 GRANT RECIPIENT: OPEN SPACE INSTITUTE INC FMV OF PROPERTY: $100,929 BOOK VALUE OF PROPERTY: $161 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $100,929 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 52 DATE OF DISTRIBUTION: 07/11/2023 GRANT RECIPIENT: WIKIMEDIA FOUNDATION INC. FMV OF PROPERTY: $20,501 BOOK VALUE OF PROPERTY: $33 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $20,501 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 52 DATE OF DISTRIBUTION: 07/12/2023 GRANT RECIPIENT: EL EDUCATION INC FMV OF PROPERTY: $20,501 BOOK VALUE OF PROPERTY: $33 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $20,501 PART I 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): $2,286,206 TOTAL NOT INCLUDED IN PART IV: PASSTHROUGH K-1 CAPITAL GAIN/(LOSS) - UBI NET GAIN/(LOSS): $5,841 TOTAL PART I, LINE 6A: $2,292,047 DETAILS OF ASSETS INCLUDED IN PART IV: PUBLICLY-TRAIDED SECURITIES GROSS SALES PRICE: $19,190,913 BOOK BASIS: $16,801,675 NET GAIN/(LOSS): $2,389,238 PASSTHROUGH K-1 CAPITAL GAIN/(LOSS) - NON UBI NET GAIN/(LOSS): $(103,032) AIRBUS GROUP SE 713902 1046795 ALPHABET INC CL C 343853 860800 AMAZON COM 509289 872136 ANALOG DEVICES INC 543696 636385 CHARLES SCHWAB CORP 958619 973933 CHARTER COMMUNICATIONS, INC 628009 709341 COINBASE GLOBAL 4954 4494267 DANAHER CORP 562826 578581 LOWES COMPANIES INC 205906 512978 MICROSOFT CORP 331696 1065697 MONGODB INC CL A 5028790 6363751 MOODYS CORP 188577 188640 S&P GLOBAL INC COM 470164 615406 SAFRAN S.A. ORD SHS 506645 617397 SCHLUMBERGER LTD 422856 541736 SPDR PORTFOLIO SHORT TERM CORP 6305258 6092512 UNITEDHEALTH GROUP INC 302104 553846 VANGUARD SHORT TERM CORPORATE 6531605 6165538 VANGUARD TOTAL INTERNATIONAL S 4842827 5017365 VANGUARD TOTAL STOCK MARKET ET 7253873 7568505 VISA INC 717274 921899 6211132 6271999 ARCH VENTURES FUND XI 631558 876730 BITCOIN 163562 906122 CNK FUND III-B LP 949584 1294909 EMINENCE PARTNERS LONG LP 2767681 3019966 ETHEREUM 84012 1075132 PLACEHOLDER FUND I LP 995810 2657137 SHERIDAN SQUARE FUND II LP 2191339 2408587 General Consultations 10632 10632 Administrative Fees 18750 18750 Administrative Set-Up Fee 11000 11000 Bank Charges 99 99 Digital Subscriptions 2066 2066 Foundation Dues & Memberships 815 815 Indemnification Insurance 1950 1950 K-1 Exp ARCH VENTURES FUND XI 10509 10509 K-1 Exp CNK FUND III-B LP 2115 2115 K-1 Exp EMINENCE PARTNERS LONG 454 454 K-1 Exp PLACEHOLDER FUND I LP 34439 34439 K-1 Exp SHERIDAN SQUARE FUND I 26002 26002 Office Supplies 59 59 Payroll Processing Fees 1961 1961 Postage/Delivery Service 398 398 State or Local Filing Fees 750 750 Website Hosting/Support 1946 1946 K-1 Inc/Loss ARCH VENTURES FUND XI 943 943 K-1 Inc/Loss CNK FUND III-B LP 15534 1992 K-1 Inc/Loss EMINENCE PARTNERS LONG LP -7581 -7587 K-1 Inc/Loss SHERIDAN SQUARE FUND II LP 36622 36622 GRANTS OF PUBLICLY-TRADED SECURITIES 2157906 ADMINISTRATION OF FOUNDATION 480 480 Investment Management Services 75985 75985 990-PF Estimated Tax for 2023 25000 990-PF Extension for 2022 8000 990-T Extension for 2022 2000 Foreign Tax Paid 5766 5766 STATE INCOME TAX 2022 1000