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 | 373,723,810 | 2,476,140 | SH | DFND | 1 | 0 | 2,476,140 | 0 | ||
| ALPHABET INC | CAP STK CL C | 02079K107 | 261,202,030 | 1,715,500 | SH | DFND | 1 | 0 | 1,715,500 | 0 | ||
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | 190,332,000 | 300 | SH | DFND | 1 | 0 | 300 | 0 | ||
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | 13,364,126 | 31,780 | SH | DFND | 1 | 0 | 31,780 | 0 | ||
| BIONTECH SE | SPONSORED ADS | 09075V102 | 1,337,625 | 14,500 | SH | DFND | 1 | 0 | 14,500 | 0 | ||
| BIO RAD LABS INC | CL A | 090572207 | 2,766,960 | 8,000 | SH | DFND | 1 | 0 | 8,000 | 0 | ||
| CARVANA CO | CL A | 146869102 | 51,704,179 | 588,149 | SH | DFND | 1 | 0 | 588,149 | 0 | ||
| CREDIT ACCEP CORP MICH | COM | 225310101 | 50,742,600 | 92,000 | SH | DFND | 1 | 0 | 92,000 | 0 | ||
| FERGUSON PLC NEW | SHS | G3421J106 | 6,116,040 | 28,000 | SH | DFND | 1 | 0 | 28,000 | 0 | ||
| FERGUSON PLC NEW | SHS | G3421J106 | 4,914,675 | 22,500 | SH | DFND | 1 | 0 | 22,500 | 0 | ||
| INTERACTIVE BROKERS GROUP IN | COM CL A | 45841N107 | 22,342,000 | 200,000 | SH | DFND | 1 | 0 | 200,000 | 0 | ||
| INTERACTIVE BROKERS GROUP IN | COM CL A | 45841N107 | 1,088,837 | 9,747 | SH | DFND | 1 | 0 | 9,747 | 0 | ||
| MARKEL CORP | COM | 570535104 | 3,537,441 | 2,325 | SH | DFND | 1 | 0 | 2,325 | 0 | ||
| MERCADOLIBRE INC | COM | 58733R102 | 2,343,538 | 1,550 | SH | DFND | 1 | 0 | 1,550 | 0 | ||
| META PLATFORMS INC | CL A | 30303M102 | 65,067,720 | 134,000 | SH | DFND | 1 | 0 | 134,000 | 0 | ||
| MICROSOFT CORP | COM | 594918104 | 325,426,920 | 773,500 | SH | DFND | 1 | 0 | 773,500 | 0 | ||
| NU HLDGS LTD | ORD SHS CL A | G6683N103 | 1,193,000 | 100,000 | SH | DFND | 1 | 0 | 100,000 | 0 | ||
| PAYPAL HLDGS INC | COM | 70450Y103 | 1,574,265 | 23,500 | SH | DFND | 1 | 0 | 23,500 | 0 | ||
| PDD HOLDINGS INC | SPONSORED ADS | 722304102 | 23,250,000 | 200,000 | SH | DFND | 1 | 0 | 200,000 | 0 | ||
| SPOTIFY TECHNOLOGY S A | SHS | L8681T102 | 2,770,950 | 10,500 | SH | DFND | 1 | 0 | 10,500 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 3,248,093 | 175,005 | SH | DFND | 1 | 0 | 175,005 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 4,268,800 | 230,000 | SH | DFND | 1 | 0 | 230,000 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 2,693,056 | 145,100 | SH | DFND | 1 | 0 | 145,100 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 947,488 | 51,050 | SH | DFND | 1 | 0 | 51,050 | 0 | ||
| TUCOWS INC | COM NEW | 898697206 | 26,233,428 | 1,413,439 | SH | DFND | 1 | 0 | 1,413,439 | 0 | ||
| WIX COM LTD | SHS | M98068105 | 34,370,000 | 250,000 | SH | DFND | 1 | 0 | 250,000 | 0 | ||