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
ALERE INC COM 01449J105 129,878 3,116,075 SH   SOLE   3,116,075 0 0
ALERE INC PERP PFD CONV SE 01449J204 74,501 221,249 SH   SOLE   221,249 0 0
AMERICAN INTL GROUP INC COM 026874784 363,084 6,864,880 SH   SOLE   6,864,880 0 0
AMERICAN INTL GROUP INC W EXP 01/19/202 026874156 48 2,580 SH   SOLE   2,580 0 0
ANTHEM INC COM 036752103 231,245 1,760,663 SH   SOLE   1,760,663 0 0
ARISTA NETWORKS INC COM 040413106 79,081 1,228,340 SH   SOLE   1,228,340 0 0
BANK AMER CORP W EXP 01/16/201 060505146 3,062 879,972 SH   SOLE   879,972 0 0
BANK N S HALIFAX COM 064149107 40,896 834,560 SH   SOLE   834,560 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 152,533 703 SH   SOLE   703 0 0
BERKSHIRE HATHAWAY INC DEL CL B 084670702 82,187 567,630 SH   SOLE   567,630 0 0
CARPENTER TECHNOLOGY CORP COM 144285103 147,675 4,484,498 SH   SOLE   4,484,498 0 0
COLLIERS INTL GROUP INC SUB VTG SHRS 194693107 32,720 958,126 SH   SOLE   958,126 0 0
DIGI INTL INC COM 253798102 23,926 2,229,812 SH   SOLE   2,229,812 0 0
EASTMAN CHEM CO COM 277432100 203,672 2,999,584 SH   SOLE   2,999,584 0 0
ENCANA CORP COM 292505104 3,126 401,862 SH   SOLE   401,862 0 0
ENERPLUS CORP COM 292766102 4,785 726,388 SH   SOLE   726,388 0 0
EXFO INC SUB VTG SHS 302046107 14,509 4,193,500 SH   SOLE   4,193,500 0 0
FIRSTSERVICE CORP SUB VTG SH 33767E103 853 18,643 SH   SOLE   18,643 0 0
FLOWSERVE CORP COM 34354P105 226,720 5,019,259 SH   SOLE   5,019,259 0 0
FRANCO NEVADA CORP COM 351858105 17,240 226,730 SH   SOLE   226,730 0 0
GENERAC HLDGS INC COM 368736104 274,641 7,855,877 SH   SOLE   7,855,877 0 0
GRAN TIERRA ENERGY INC COM 38500T101 18,802 5,597,079 SH   SOLE   5,597,079 0 0
GRANITE REAL ESTATE INVT TR UNIT/99/99/9999 387437114 89,800 2,993,989 SH   SOLE   2,993,989 0 0
JPMORGAN CHASE & CO COM 46625H100 299,249 4,815,723 SH   SOLE   4,815,723 0 0
LIVE NATION ENTERTAINMENT IN COM 538034109 229,330 9,758,714 SH   SOLE   9,758,714 0 0
PEGASYSTEMS INC COM 705573103 48,299 1,792,165 SH   SOLE   1,792,165 0 0
PTC INC COM 69370C100 130,386 3,469,560 SH   SOLE   3,469,560 0 0
REALOGY HLDGS CORP COM 75605Y106 293,189 10,102,987 SH   SOLE   10,102,987 0 0
RESTAURANT BRANDS INTL INC COM 76131D103 52,143 1,252,628 SH   SOLE   1,252,628 0 0
REXNORD CORP NEW COM 76169B102 213,158 10,858,801 SH   SOLE   10,858,801 0 0
SANDSTORM GOLD LTD COM 80013R206 15,499 3,446,455 SH   SOLE   3,446,455 0 0
SERVICE CORP INTL COM 817565104 233,283 8,627,338 SH   SOLE   8,627,338 0 0
TE CONNECTIVITY LTD COM H84989104 296,926 5,199,189 SH   SOLE   5,199,189 0 0
TEAM INC COM 878155100 54,384 2,190,243 SH   SOLE   2,190,243 0 0
TORONTO DOMINION BK ONT COM 891160509 41,317 962,140 SH   SOLE   962,140 0 0
UBIQUITI NETWORKS INC COM 90347A100 223,535 5,782,063 SH   SOLE   5,782,063 0 0
UNION PAC CORP COM 907818108 286,829 3,287,438 SH   SOLE   3,287,438 0 0
WABCO HLDGS INC COM 92927K102 317,076 3,462,662 SH   SOLE   3,462,662 0 0
WABTEC CORP COM 929740108 123,031 1,751,832 SH   SOLE   1,751,832 0 0
WELLS FARGO & CO NEW COM 949746101 296,677 6,268,262 SH   SOLE   6,268,262 0 0
WELLS FARGO & CO NEW W EXP 10/28/201 949746119 276 20,300 SH   SOLE   20,300 0 0
WESCO INTL INC COM 95082P105 352,395 6,843,948 SH   SOLE   6,843,948 0 0