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
Expires: July 31, 2015
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
AON PLC SHS CL A G0403H108 42,324,502 130,551 SH SOLE 130,551 0 0
APPLE INC COM 037833100 67,265,457 392,886 SH SOLE 392,886 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 749,292 2,139 SH SOLE 2,139 0 0
COMFORT SYS USA INC COM 199908104 46,781,221 274,513 SH SOLE 274,513 0 0
EQUIFAX INC COM 294429105 53,736,497 293,371 SH SOLE 293,371 0 0
FERGUSON PLC NEW SHS G3421J106 45,573,157 277,091 SH SOLE 277,091 0 0
FIRSTSERVICE CORP NEW COM 33767E202 4,329,815 29,750 SH SOLE 29,750 0 0
GENPACT LIMITED SHS G3922B107 40,917,765 1,130,325 SH SOLE 1,130,325 0 0
HILTON WORLDWIDE HLDGS INC COM 43300A203 33,663,147 224,152 SH SOLE 224,152 0 0
ISHARES TR ISHS 5-10YR INVT 464288638 763,951 15,703 SH SOLE 15,703 0 0
MICROSOFT CORP COM 594918104 72,044,929 228,174 SH SOLE 228,174 0 0
MOODYS CORP COM 615369105 56,689,607 179,286 SH SOLE 179,286 0 0
MSCI INC COM 55354G100 60,866,046 118,629 SH SOLE 118,629 0 0
SHERWIN WILLIAMS CO COM 824348106 52,175,068 204,568 SH SOLE 204,568 0 0
SPDR SER TR BLOOMBERG 1-3 MO 78468R663 6,019,168 65,554 SH SOLE 65,554 0 0
VISA INC COM CL A 92826C839 63,606,826 276,541 SH SOLE 276,541 0 0
XPEL INC COM 98379L100 8,019,440 104,000 SH SOLE 104,000 0 0