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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
AMERICAN EXPRESS CO COM 025816109   54,652,127 203,130 SH   SOLE   203,130 0 0
AON PLC SHS CL A G0403H108   65,185,764 163,336 SH   SOLE   163,336 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702   637,498 1,197 SH   SOLE   1,197 0 0
BOOZ ALLEN HAMILTON HLDG COR CL A 099502106   40,536,358 387,611 SH   SOLE   387,611 0 0
EQUIFAX INC COM 294429105   60,275,011 247,475 SH   SOLE   247,475 0 0
FERGUSON ENTERPRISES INC COMMON STOCK NEW 31488V107   47,138,865 294,195 SH   SOLE   294,195 0 0
FIRSTSERVICE CORP NEW COM 33767E202   2,074,707 12,502 SH   SOLE   12,502 0 0
GENPACT LIMITED SHS G3922B107   66,319,879 1,316,393 SH   SOLE   1,316,393 0 0
HILTON WORLDWIDE HLDGS INC COM 43300A203   62,233,332 273,493 SH   SOLE   273,493 0 0
ISHARES TR ISHS 5-10YR INVT 464288638   629,400 11,984 SH   SOLE   11,984 0 0
MICROSOFT CORP COM 594918104   70,365,729 187,447 SH   SOLE   187,447 0 0
MOODYS CORP COM 615369105   74,886,678 160,808 SH   SOLE   160,808 0 0
MSCI INC COM 55354G100   66,282,821 117,211 SH   SOLE   117,211 0 0
ROPER TECHNOLOGIES INC COM 776696106   82,847,192 140,519 SH   SOLE   140,519 0 0
SALESFORCE INC COM 79466L302   6,248,226 23,283 SH   SOLE   23,283 0 0
SHERWIN WILLIAMS CO COM 824348106   65,632,705 187,957 SH   SOLE   187,957 0 0
SPDR SER TR BLOOMBERG 1-3 MO 78468R663   6,370,282 69,446 SH   SOLE   69,446 0 0
VISA INC COM CL A 92826C839   87,532,291 249,764 SH   SOLE   249,764 0 0