2025-05-23T08:21:02-05:00 2024-12-31 Foundation Source 3333 New Hyde Park Rd Ste 406 New Hyde Park NY 11042 990PF 2024-01-03 990485052 The Jeffrey L Greenblum Charitable Foundation % Foundation Source JEFF 8008391754 Foundation Source 501 Silverside Rd Wilmington DE 198091377 ROBERT GREENBLUM PRESIDENT 8008391754 2025-05-15 true true Jeffrey D Haskell P01345770 8008391754 2024 2025-03-06 01:10:19Z X X 9660666 X 10537627 177 177 2535 2535 -84 1147 1030 10540255 3742 0 11996 11996 11996 0 11996 0 0 11996 0 11996 10528259 3742 0 681135 681135 9847124 8979531 0 10528259 9660666 0 0 X 10528259 0 10528259 0 10528259 0 10528259 10528259 10528259 Publicly-traded Securities 1147 117 1030 1030 1030 52 52 52 0 0 52 false false false false false false false true true DE true false true 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 Spencer Eig Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Pres, Sec 10.0 0 0 0 Robert Greenblum Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Sec, Pres 10.0 0 0 0 Peter McDonald Foundation Source 501 Silverside Rd Wilmington DE 198091377 Dir, Treas 10.0 0 0 0 748294 28381 0 776675 0 776675 11650 765025 38042 38042 52 52 37990 37990 37990 11996 0 0 0 0 11996 37990 11996 11996 0 0 25994 0 0 NONE X 14 177 14 2535 18 -84 2628 2628 false false false false false false false false false false X X 1 The Jeffrey L Greenblum Estate 811 Lovett Blvd 18 Houston TX 77006 10537627 X X 1 PALO ALTO NETWORKS INC PANW, 36 sh. 14019 2024-12-02 1 WAL-MART STORES INC WMT, 75 sh. 6935 2024-12-02 1 WAL-MART STORES INC WMT, 852 sh. 78784 2024-12-02 1 WILLIAMS COS WMB, 140 sh. 8048 2024-12-02 1 VOYA LARGE CAP GROWTH FUND CL I PLCIX, 389.311 sh. 24414 2024-12-02 1 T-MOBILE US INC TMUS, 261 sh. 64119 2024-12-02 1 THE BLACKSTONE GROUP INC CL A BX, 2007 sh. 380643 2024-12-02 1 DENISON MINES CORP DNN, 2830 sh. 6608 2024-12-02 1 ARCOSA INC ACA, 180 sh. 19573 2024-12-02 1 FEDEX CORPORATION FDX, 106 sh. 31580 2024-12-02 1 GAP INC GAP, 140 sh. 3578 2024-12-02 1 CROWDSTRIKE HOLDINGS, INC CRWD, 25 sh. 8636 2024-12-02 1 THE BLACKSTONE GROUP INC CL A BX, 35 sh. 6638 2024-12-02 1 CHIPOTLE MEX GRILL CMG, 200 sh. 12262 2024-12-02 1 ALPHABET INC CL A GOOGL, 420 sh. 71535 2024-12-02 1 ALPHABET INC CL C GOOG, 100 sh. 17194 2024-12-02 1 ALPHABET INC CL C GOOG, 400 sh. 68774 2024-12-02 1 ALPHABET INC CL C GOOG, 1180 sh. 202883 2024-12-02 1 DELTA AIR LINES INC DAL, 100 sh. 6370 2024-12-02 1 AMAZON COM AMZN, 730 sh. 154213 2024-12-02 1 AMERICAN EXPRESS CO AXP, 10 sh. 3034 2024-12-02 1 APPLE INC AAPL, 136 sh. 32500 2024-12-02 1 APPLE INC AAPL, 894 sh. 213644 2024-12-02 1 CATERPILLAR INC CAT, 68 sh. 27504 2024-12-02 1 GENERAL MOTORS GM, 526 sh. 29012 2024-12-02 1 NETFLIX INC NFLX, 14 sh. 12505 2024-12-02 1 ADVANCED MICRO DEVICES INC AMD, 355 sh. 49810 2024-12-02 1 ADVANCED MICRO DEVICES INC AMD, 376 sh. 52757 2024-12-02 1 ADVANCED MICRO DEVICES INC AMD, 568 sh. 79696 2024-12-02 1 ABB LTD ABBNY, 110 sh. 6308 2024-12-02 1 AMAZON COM AMZN, 220 sh. 46475 2024-12-02 1 MARTIN MARIETTA MATLS INC MLM, 18 sh. 10730 2024-12-02 1 MARVELL TECHNOLOGY, INC MRVL, 160 sh. 15406 2024-12-02 1 MCKESSON CORP MCK, 15 sh. 9331 2024-12-02 1 GE VERNOVA GEV, 60 sh. 20465 2024-12-02 1 MYR GROUP INC DEL COM MYRG, 181 sh. 28392 2024-12-02 1 GRAYSCALE BITCOIN MINI BTC, 29 sh. 1231 2024-12-02 1 ACCELLERON INDS ADR ACLLY, 5 sh. 277 2024-12-02 1 ACCELLERON INDS ADR ACLLY, 26 sh. 1440 2024-12-02 1 ELI LILLY & CO LLY, 24 sh. 19207 2024-12-02 1 ELI LILLY & CO LLY, 50 sh. 40014 2024-12-02 1 MICROSOFT CORP MSFT, 18 sh. 7689 2024-12-02 1 MICROSOFT CORP MSFT, 790 sh. 337452 2024-12-02 1 JP MORGAN CHASE JPM, 570 sh. 141154 2024-12-02 1 JP MORGAN CHASE JPM, 1135 sh. 281071 2024-12-02 1 KONTOOR BRANDS INC KTB, 180 sh. 16764 2024-12-02 1 KONTOOR BRANDS INC KTB, 492 sh. 45821 2024-12-02 1 META PLATFORMS INC META, 11 sh. 6436 2024-12-02 1 META PLATFORMS INC META, 204 sh. 119347 2024-12-02 1 INVESCO QQQ TRUST QQQ, 20 sh. 10269 2024-12-02 1 INVESCO QQQ TRUST QQQ, 35 sh. 17970 2024-12-02 1 GENERAL ELECTRIC CO GE, 240 sh. 43327 2024-12-02 1 INTERNATIONAL BANCSHARES CORPORATION IBOC, 74500 sh. 5445390 2024-12-02 1 IRON MOUNTAIN IRM, 235 sh. 28693 2024-12-02 1 JP MORGAN CHASE JPM, 250 sh. 61910 2024-12-02 1 KINETIK HOLDINGS INC KNTK, 3630 sh. 210123 2024-12-02 1 ISHARES GLOBAL TECH IXN, 570 sh. 48112 2024-12-02 1 ISHARES GLOBAL TECH IXN, 1513 sh. 127709 2024-12-02 1 Hovnanian Enterprises Inc Cl A HOV, 20 sh. 3930 2024-12-02 1 HOLCIM LTD SPON ADS HCMLY, 343 sh. 6996 2024-12-02 1 HOLCIM LTD SPON ADS HCMLY, 2150 sh. 43849 2024-12-02 1 SANDOZ GROUP AG SDZNY, 46 sh. 2020 2024-12-02 1 TAKE-TWO INTERACTIVE SOFTWARE TTWO, 25 sh. 4695 2024-12-02 1 STIFEL FINANCIAL CP SF, 50 sh. 5795 2024-12-02 1 SHOPIFY INC SHOP, 60 sh. 6813 2024-12-02 1 T-MOBILE US INC TMUS, 24 sh. 5896 2024-12-02 1 GOLDMAN SACHS GROUP GS, 13 sh. 7886 2024-12-02 1 ORACLE CORP ORCL, 45 sh. 8242 2024-12-02 1 ORACLE CORP ORCL, 391 sh. 71610 2024-12-02 1 ZSCALER INC ZS, 44 sh. 9207 2024-12-02 1 QUANTA SVCS INC PWR, 70 sh. 24114 2024-12-02 1 RIOT BLOCKCHAIN INC RIOT, 260 sh. 3221 2024-12-02 1 SANDOZ GROUP AG SDZNY, 12 sh. 527 2024-12-02 1 VERTEX PHARMCTLS INC VRTX, 15 sh. 6984 2024-12-02 1 NVIDIA CORP NVDA, 2950 sh. 410456 2024-12-02 1 ONEOK INC OKE, 21 sh. 2346 2024-12-02 1 ONEOK INC OKE, 893 sh. 99761 2024-12-02 1 ONEOK INC OKE, 1107 sh. 123669 2024-12-02 1 ONEMAIN HOLDINGS INC OMF, 260 sh. 14842 2024-12-02 1 TESLA MOTORS INC TSLA, 165 sh. 58670 2024-12-02 1 TOLL BROTHERS INC TOL, 224 sh. 36739 2024-12-02 1 TAIWAN SEMICONDUCTOR MFG CO LTD TSM, 120 sh. 23054 2024-12-02 1 UNITED CONTINENTAL HOLDINGS INC UAL, 135 sh. 13171 2024-12-02 1 VANGUARD GROWTH ETF VUG, 20 sh. 8232 2024-12-02 1 VANECK SEMICONDUCTOR ETF SMH, 40 sh. 9850 2024-12-02 ABB LTD 6308 5908 ACCELLERON INDS ADR 1717 1578 ADVANCED MICRO DEVICES INC 182263 156906 ALPHABET INC CL A 71535 79506 ALPHABET INC CL C 288851 319938 AMAZON COM 200688 208421 AMERICAN EXPRESS CO 3034 2968 APPLE INC 246144 257933 ARCOSA INC 19573 17413 CATERPILLAR INC 27504 24668 CHIPOTLE MEX GRILL 12262 12060 CROWDSTRIKE HOLDINGS, INC 8636 8554 DELTA AIR LINES INC 6370 6050 DENISON MINES CORP 6608 5094 ELI LILLY & CO 59221 57128 FEDEX CORPORATION 31580 29821 GAP INC 3578 3308 GE VERNOVA 20465 19736 GENERAL ELECTRIC CO 43327 40030 GENERAL MOTORS 29012 28020 GOLDMAN SACHS GROUP 7886 7444 HOLCIM LTD SPON ADS 50845 47741 HOVNANIAN ENTERPRISES INC CL A 3930 2676 INTERNATIONAL BANCSHARES CORPO 5445390 4705419 INVESCO QQQ TRUST 28239 28118 IRON MOUNTAIN 28693 24701 ISHARES GLOBAL TECH 175821 176534 JP MORGAN CHASE 484135 468632 KINETIK HOLDINGS INC 210123 205857 KONTOOR BRANDS INC 62585 57396 MARTIN MARIETTA MATLS INC 10730 9297 MARVELL TECHNOLOGY, INC 15406 17672 MCKESSON CORP 9331 8549 META PLATFORMS INC 125783 125885 MICROSOFT CORP 345141 340571 MYR GROUP INC DEL COM 28392 26927 NETFLIX INC 12505 12478 NVIDIA CORP 410456 396155 ONEMAIN HOLDINGS INC 14842 13554 ONEOK INC 225776 202908 ORACLE CORP 79851 72655 PALO ALTO NETWORKS INC 14019 6551 QUANTA SVCS INC 24114 22124 RIOT BLOCKCHAIN INC 3221 2655 SANDOZ GROUP AG 2547 2349 SHOPIFY INC 6813 6380 STIFEL FINANCIAL CP 5795 5304 T-MOBILE US INC 70015 62908 TAIWAN SEMICONDUCTOR MFG CO LT 23054 23699 TAKE-TWO INTERACTIVE SOFTWARE 4695 4602 TESLA MOTORS INC 58670 66634 THE BLACKSTONE GROUP INC CL A 387281 352081 TOLL BROTHERS INC 36739 28213 UNITED CONTINENTAL HOLDINGS IN 13171 13109 VANECK SEMICONDUCTOR ETF 9850 9687 VANGUARD GROWTH ETF 8232 8209 VERTEX PHARMCTLS INC 6984 6041 VOYA LARGE CAP GROWTH FUND CL 24414 23507 WAL-MART STORES INC 85719 83754 WILLIAMS COS 8048 7577 ZSCALER INC 9207 7938 Administrative Fees 4971 4971 Administrative Set-Up Fee 5900 5900 Delaware Incorporation Fees 500 500 IRS Application Fees 600 600 State or Local Filing Fees 25 25 The Jeffrey L Greenblum Estate 811 Lovett Blvd 18 Houston TX 77006