The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete. | |||||||||||||||||
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F INFORMATION TABLE |
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| COLUMN 1 | COLUMN 2 | COLUMN 3 | COLUMN 4 | COLUMN 5 | COLUMN 6 | COLUMN 7 | COLUMN 8 | |||||
| VALUE | SHRS OR | SH/ | PUT/ | INVESTMENT | OTHER | VOTING AUTHORITY | ||||||
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | (to the nearest dollar) | PRN AMT | PRN | CALL | DISCRETION | MANAGER | SOLE | SHARED | NONE |
| ALPHABET INC | CAP STK CL A | 02079K305 | 726,110 | 7,000 | SH | DFND | 1 | 0 | 7,000 | 0 | ||
| ALPHABET INC | CAP STK CL A | 02079K305 | 256,850,002 | 2,476,140 | SH | DFND | 1 | 0 | 2,476,140 | 0 | ||
| ALPHABET INC | CAP STK CL C | 02079K107 | 178,412,000 | 1,715,500 | SH | DFND | 1 | 0 | 1,715,500 | 0 | ||
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | 139,680,000 | 300 | SH | DFND | 1 | 0 | 300 | 0 | ||
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | 9,812,711 | 31,780 | SH | DFND | 1 | 0 | 31,780 | 0 | ||
| BIONTECH SE | SPONSORED ADS | 09075V102 | 373,710 | 3,000 | SH | DFND | 1 | 0 | 3,000 | 0 | ||
| CARVANA CO | CL A | 146869102 | 4,160,750 | 425,000 | SH | DFND | 1 | 0 | 425,000 | 0 | ||
| CREDIT ACCEP CORP MICH | COM | 225310101 | 50,671,336 | 116,208 | SH | DFND | 1 | 0 | 116,208 | 0 | ||
| FERGUSON PLC NEW | SHS | G3421J106 | 5,350,000 | 40,000 | SH | DFND | 1 | 0 | 40,000 | 0 | ||
| INTERACTIVE BROKERS GROUP IN | COM CL A | 45841N107 | 12,384,000 | 150,000 | SH | DFND | 1 | 0 | 150,000 | 0 | ||
| INTERACTIVE BROKERS GROUP IN | COM CL A | 45841N107 | 996,829 | 12,074 | SH | DFND | 1 | 0 | 12,074 | 0 | ||
| MARKEL CORP | COM | 570535104 | 2,969,978 | 2,325 | SH | DFND | 1 | 0 | 2,325 | 0 | ||
| MERCADOLIBRE INC | COM | 58733R102 | 922,642 | 700 | SH | DFND | 1 | 0 | 700 | 0 | ||
| MERCADOLIBRE INC | COM | 58733R102 | 2,570,217 | 1,950 | SH | DFND | 1 | 0 | 1,950 | 0 | ||
| META PLATFORMS INC | CL A | 30303M102 | 36,877,560 | 174,000 | SH | DFND | 1 | 0 | 174,000 | 0 | ||
| MICROSOFT CORP | COM | 594918104 | 223,000,050 | 773,500 | SH | DFND | 1 | 0 | 773,500 | 0 | ||
| MICROSOFT CORP | COM | 594918104 | 1,066,710 | 3,700 | SH | DFND | 1 | 0 | 3,700 | 0 | ||
| NU HLDGS LTD | ORD SHS CL A | G6683N103 | 571,200 | 120,000 | SH | DFND | 1 | 0 | 120,000 | 0 | ||
| PAYPAL HLDGS INC | COM | 70450Y103 | 1,898,500 | 25,000 | SH | DFND | 1 | 0 | 25,000 | 0 | ||
| SALESFORCE INC | COM | 79466L302 | 29,073,584 | 145,528 | SH | DFND | 1 | 0 | 145,528 | 0 | ||
| SPOTIFY TECHNOLOGY S A | SHS | L8681T102 | 2,471,970 | 18,500 | SH | DFND | 1 | 0 | 18,500 | 0 | ||
| SPOTIFY TECHNOLOGY S A | SHS | L8681T102 | 1,670,250 | 12,500 | SH | DFND | 1 | 0 | 12,500 | 0 | ||
| STONECO LTD | COM CL A | G85158106 | 810,900 | 85,000 | SH | DFND | 1 | 0 | 85,000 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 2,914,500 | 150,000 | SH | DFND | 1 | 0 | 150,000 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 3,108,800 | 160,000 | SH | DFND | 1 | 0 | 160,000 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 1,245,463 | 64,100 | SH | DFND | 1 | 0 | 64,100 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 27,463,120 | 1,413,439 | SH | DFND | 1 | 0 | 1,413,439 | 0 | ||
| WIX COM LTD | SHS | M98068105 | 24,950,000 | 250,000 | SH | DFND | 1 | 0 | 250,000 | 0 | ||