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 | (x$1000) | PRN AMT | PRN | CALL | DISCRETION | MANAGER | SOLE | SHARED | NONE |
| APPLE INC | COM | 037833100 | 55,656 | 455,629 | SH | SOLE | 455,629 | 0 | 0 | ||
| CECO ENVIRONMENTAL CORP | COM | 125141101 | 4,544 | 573,000 | SH | SOLE | 573,000 | 0 | 0 | ||
| CHARTER COMMUNICATIONS INC N | CL A | 16119P108 | 52,135 | 84,495 | SH | SOLE | 84,495 | 0 | 0 | ||
| DAILY JOURNAL CORP | COM | 233912104 | 4,851 | 15,600 | SH | SOLE | 15,600 | 0 | 0 | ||
| EQUIFAX INC | COM | 294429105 | 45,037 | 248,644 | SH | SOLE | 248,644 | 0 | 0 | ||
| ETSY INC | COM | 29786A106 | 5,039 | 25,000 | SH | SOLE | 25,000 | 0 | 0 | ||
| FIRSTSERVICE CORP NEW | COM | 33767E202 | 4,267 | 28,792 | SH | SOLE | 28,792 | 0 | 0 | ||
| GENPACT LIMITED | SHS | G3922B107 | 39,313 | 918,105 | SH | SOLE | 918,105 | 0 | 0 | ||
| ISHARES TR | ISHS 5-10YR INVT | 464288638 | 2,251 | 37,000 | SH | SOLE | 37,000 | 0 | 0 | ||
| MASTERCARD INCORPORATED | CL A | 57636Q104 | 46,440 | 130,414 | SH | SOLE | 130,414 | 0 | 0 | ||
| MICROSOFT CORP | COM | 594918104 | 56,904 | 241,354 | SH | SOLE | 241,354 | 0 | 0 | ||
| MOODYS CORP | COM | 615369105 | 48,290 | 161,742 | SH | SOLE | 161,742 | 0 | 0 | ||
| MSCI INC | COM | 55354G100 | 51,269 | 122,284 | SH | SOLE | 122,284 | 0 | 0 | ||
| NETFLIX INC | COM | 64110L106 | 44,980 | 86,222 | SH | SOLE | 86,222 | 0 | 0 | ||
| NEW YORK TIMES CO | CL A | 650111107 | 5,923 | 117,000 | SH | SOLE | 117,000 | 0 | 0 | ||
| OLO INC | CL A | 68134L109 | 1,846 | 70,000 | SH | SOLE | 70,000 | 0 | 0 | ||
| SCHWAB CHARLES CORP | COM | 808513105 | 58,223 | 893,272 | SH | SOLE | 893,272 | 0 | 0 | ||
| SHERWIN WILLIAMS CO | COM | 824348106 | 47,998 | 65,037 | SH | SOLE | 65,037 | 0 | 0 | ||
| SPDR SER TR | SPDR BLOOMBERG | 78468R663 | 746 | 8,150 | SH | SOLE | 8,150 | 0 | 0 | ||
| VISA INC | COM CL A | 92826C839 | 50,391 | 237,935 | SH | SOLE | 237,935 | 0 | 0 | ||
| WILLIAMS INDL SVCS GROUP INC | COM | 96951A104 | 223 | 64,000 | SH | SOLE | 64,000 | 0 | 0 | ||