CIK: 0001569606 · Show all filings
Period: Q4 2020 (← Previous) (Next →)
Filing Date: Jan 29, 2021
Total Value: $1.069B (100.0% shares, 0.0% debt)
| Ticker | Issuer | Shares | Value | % | Est. Cost | Unrealized | Class | CUSIP |
|---|---|---|---|---|---|---|---|---|
| GOOGL | ALPHABET INC | 124,507 | $218M | 20.4% | $45.81 | +82.3% | CAP STK CL A | 02079K305 |
| MSFT | MICROSOFT CORP | 782,000 | $174M | 16.3% | $50.70 | +306.4% | COM | 594918104 |
| GOOG | ALPHABET INC | 86,345 | $151M | 14.1% | $49.49 | +69.2% | CAP STK CL C | 02079K107 |
| TCX | TUCOWS INC | 1,594,627 | $118M | 11.0% | $50.20 | +48.2% | COM NEW | 898697206 |
| BRK/A | BERKSHIRE HATHAWAY INC DEL | 300 | $104M | 9.8% | $165973.77 | +99.3% | CL A | 084670108 |
| CACC | CREDIT ACCEP CORP MICH | 190,000 | $65.77M | 6.2% | $237.70 | +37.4% | COM | 225310101 |
| META | FACEBOOK INC | 220,000 | $60.09M | 5.6% | $156.22 | +74.3% | CL A | 30303M102 |
| WIX | WIX COM LTD | 217,169 | $54.28M | 5.1% | $127.04 | +107.3% | SHS | M98068105 |
| — | SLACK TECHNOLOGIES INC | 1,000,000 | $42.24M | 4.0% | $34.55 | — | COM CL A | 83088V102 |
| WAB | WABTEC CORP | 475,000 | $34.77M | 3.3% | $73.70 | -9.9% | COM | 929740108 |
| TRUP | TRUPANION INC | 230,000 | $27.53M | 2.6% | $13.12 | +619.8% | COM | 898202106 |
| BRK/B | BERKSHIRE HATHAWAY INC DEL | 31,780 | $7.369M | 0.7% | $110.02 | +100.2% | CL B NEW | 084670702 |
| IBKR | INTERACTIVE BROKERS GROUP IN | 67,074 | $4.086M | 0.4% | $12.04 | +6.8% | COM CL A | 45841N107 |
| MKL | MARKEL CORP | 2,325 | $2.402M | 0.2% | $523.59 | +90.4% | COM | 570535104 |
| MELI | MERCADOLIBRE INC | 1,420 | $2.379M | 0.2% | $675.44 | +108.8% | COM | 58733R102 |
| ITRN | ITURAN LOCATION AND CONTROL | 60,000 | $1.143M | 0.1% | $14.45 | +11.8% | SHS | M6158M104 |
| AMZN | AMAZON COM INC | 250 | $814K | 0.1% | $93.15 | +71.3% | COM | 023135106 |
| STNE | STONECO LTD | 9,000 | $755K | 0.1% | $52.89 | — | COM CL A | G85158106 |