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 | 837,900 | 7,000 | SH | DFND | 1 | 0 | 7,000 | 0 | ||
| ALPHABET INC | CAP STK CL A | 02079K305 | 296,393,958 | 2,476,140 | SH | DFND | 1 | 0 | 2,476,140 | 0 | ||
| ALPHABET INC | CAP STK CL C | 02079K107 | 207,524,035 | 1,715,500 | SH | DFND | 1 | 0 | 1,715,500 | 0 | ||
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | 155,343,000 | 300 | SH | DFND | 1 | 0 | 300 | 0 | ||
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | 10,836,980 | 31,780 | SH | DFND | 1 | 0 | 31,780 | 0 | ||
| BIONTECH SE | SPONSORED ADS | 09075V102 | 1,187,230 | 11,000 | SH | DFND | 1 | 0 | 11,000 | 0 | ||
| CARVANA CO | CL A | 146869102 | 11,016,000 | 425,000 | SH | DFND | 1 | 0 | 425,000 | 0 | ||
| CREDIT ACCEP CORP MICH | COM | 225310101 | 59,025,529 | 116,208 | SH | DFND | 1 | 0 | 116,208 | 0 | ||
| FERGUSON PLC NEW | SHS | G3421J106 | 6,292,400 | 40,000 | SH | DFND | 1 | 0 | 40,000 | 0 | ||
| FERGUSON PLC NEW | SHS | G3421J106 | 5,112,575 | 32,500 | SH | DFND | 1 | 0 | 32,500 | 0 | ||
| INTERACTIVE BROKERS GROUP IN | COM CL A | 45841N107 | 16,614,000 | 200,000 | SH | DFND | 1 | 0 | 200,000 | 0 | ||
| MARKEL CORP | COM | 570535104 | 3,215,894 | 2,325 | SH | DFND | 1 | 0 | 2,325 | 0 | ||
| MERCADOLIBRE INC | COM | 58733R102 | 592,300 | 500 | SH | DFND | 1 | 0 | 500 | 0 | ||
| MERCADOLIBRE INC | COM | 58733R102 | 2,013,820 | 1,700 | SH | DFND | 1 | 0 | 1,700 | 0 | ||
| META PLATFORMS INC | CL A | 30303M102 | 49,934,520 | 174,000 | SH | DFND | 1 | 0 | 174,000 | 0 | ||
| MICROSOFT CORP | COM | 594918104 | 263,407,690 | 773,500 | SH | DFND | 1 | 0 | 773,500 | 0 | ||
| MICROSOFT CORP | COM | 594918104 | 1,157,836 | 3,400 | SH | DFND | 1 | 0 | 3,400 | 0 | ||
| NU HLDGS LTD | ORD SHS CL A | G6683N103 | 828,450 | 105,000 | SH | DFND | 1 | 0 | 105,000 | 0 | ||
| PAYPAL HLDGS INC | COM | 70450Y103 | 800,760 | 12,000 | SH | DFND | 1 | 0 | 12,000 | 0 | ||
| PAYPAL HLDGS INC | COM | 70450Y103 | 487,129 | 7,300 | SH | DFND | 1 | 0 | 7,300 | 0 | ||
| SALESFORCE INC | COM | 79466L302 | 30,744,245 | 145,528 | SH | DFND | 1 | 0 | 145,528 | 0 | ||
| SPOTIFY TECHNOLOGY S A | SHS | L8681T102 | 2,488,525 | 15,500 | SH | DFND | 1 | 0 | 15,500 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 4,854,639 | 175,005 | SH | DFND | 1 | 0 | 175,005 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 6,380,200 | 230,000 | SH | DFND | 1 | 0 | 230,000 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 2,776,774 | 100,100 | SH | DFND | 1 | 0 | 100,100 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 39,208,798 | 1,413,439 | SH | DFND | 1 | 0 | 1,413,439 | 0 | ||
| WIX COM LTD | SHS | M98068105 | 19,560,000 | 250,000 | SH | DFND | 1 | 0 | 250,000 | 0 | ||