The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
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
ADOBE SYSTEMS INCORPORATED COM 00724F101 47,635 104,550 SH   SOLE   104,550 0 0
ALPHABET INC CAP STK CL A 02079K305 47,772 17,176 SH   SOLE   17,176 0 0
APPLE INC COM 037833100 82,382 471,808 SH   SOLE   471,808 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 53,031 97,212 SH   SOLE   97,212 0 0
COMFORT SYS USA INC COM 199908104 7,833 88,000 SH   SOLE   88,000 0 0
EQUIFAX INC COM 294429105 70,559 297,591 SH   SOLE   297,591 0 0
FIRSTSERVICE CORP NEW COM 33767E202 4,310 29,750 SH   SOLE   29,750 0 0
GENPACT LIMITED SHS G3922B107 48,836 1,122,414 SH   SOLE   1,122,414 0 0
ISHARES TR ISHS 5-10YR INVT 464288638 2,031 37,023 SH   SOLE   37,023 0 0
MICROSOFT CORP COM 594918104 76,026 246,591 SH   SOLE   246,591 0 0
MOODYS CORP COM 615369105 61,873 183,377 SH   SOLE   183,377 0 0
MSCI INC COM 55354G100 62,676 124,635 SH   SOLE   124,635 0 0
NEW YORK TIMES CO CL A 650111107 6,453 140,800 SH   SOLE   140,800 0 0
SCHWAB CHARLES CORP COM 808513105 73,531 872,149 SH   SOLE   872,149 0 0
SHERWIN WILLIAMS CO COM 824348106 53,167 212,992 SH   SOLE   212,992 0 0
SPDR SER TR BLOOMBERG 1-3 MO 78468R663 498 5,450 SH   SOLE   5,450 0 0
VISA INC COM CL A 92826C839 63,556 286,585 SH   SOLE   286,585 0 0