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
ADVANTAGE OIL & GAS LTD COM 00765F101 26,402 8,445,139 SH   SOLE   0 0 0
Aegerion Pharmaceuticals Inc., 2pc, due 2019/08/15 NOTE 2.000% 8/1 00767EAB8 34,055 52,392,000 SH   SOLE   0 0 0
AFFILIATED MANAGERS GROUP COM 008252108 432,145 2,906,740 SH   SOLE   0 0 0
BANK N S HALIFAX COM 064149107 66,424 1,173,085 SH   SOLE   0 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 480,596 1,704 SH   SOLE   0 0 0
BERKSHIRE HATHAWAY INC DEL CL B 084670702 106,063 568,246 SH   SOLE   0 0 0
BLACK STONE MINERALS L P COM UNIT 09225M101 15,626 845,123 SH   SOLE   0 0 0
COLLIERS INTL GROUP INC SUB VTG SHRS 194693107 62,187 817,375 SH   SOLE   0 0 0
COLONY CAP INC NOTE 5.000% 4/1 19624RAA4 1,896 2,000,000 SH   SOLE   0 0 0
CSX Corp. COM 126408103 648,171 10,162,600 SH   SOLE   0 0 0
DAVIDSTEA INC COM 238661102 10,595 2,984,352 SH   SOLE   0 0 0
DIGI INTL INC COM 253798102 21,702 1,644,087 SH   SOLE   0 0 0
DINE BRANDS GLOBAL INC. COM 254423106 38,488 514,544 SH   SOLE   0 0 0
ECHOSTAR CORP., CLASS A CL A 278768106 31,021 698,682 SH   SOLE   0 0 0
ENBRIDGE ENERGY MANAGEMENT, L.L.C. SHS UNITS LLI 29250X103 12,236 1,192,596 SH   SOLE   0 0 0
ENBRIDGE INC COM 29250N105 53,047 1,483,790 SH   SOLE   0 0 0
EXFO INC SUB VTG SHS 302046107 5,689 1,654,596 SH   SOLE   0 0 0
FIDELITY NATIONAL INFORMATION SERVICES, INC. COM 31620M106 256,346 2,417,673 SH   SOLE   0 0 0
FLOWSERVE CORP COM 34354P105 587,150 14,533,419 SH   SOLE   0 0 0
FRANCO NEVADA CORP COM 351858105 24,147 330,841 SH   SOLE   0 0 0
GENERAC HLDGS INC COM 368736104 458,741 8,867,996 SH   SOLE   0 0 0
GILDAN ACTIVEWEAR INC COM 375916103 29,521 1,048,060 SH   SOLE   0 0 0
GRAN TIERRA ENERGY INC NOTE 5.000% 4/0 38500TAA9 5,126 4,210,000 SH   SOLE   0 0 0
GRANITE REAL ESTATE INVT TR UNIT/99/99/9999 387437114 130,346 3,195,807 SH   SOLE   0 0 0
MANULIFE FINL CORP COM 56501R106 56,222 3,129,242 SH   SOLE   0 0 0
MATTEL, INC. COM 577081102 58,736 3,577,088 SH   SOLE   0 0 0
MIDDLEBY CORP COM 596278101 522,678 5,005,532 SH   SOLE   0 0 0
NATIONAL ENERGY SERVICES REU *W EXP 05/05/202 G6375R115 1,200 1,000,000 SH   SOLE   0 0 0
NOVELION THERAPEUTICS INC COM 67001K202 8,078 2,195,063 SH   SOLE   0 0 0
Oaktree Capital Group, LLC UNIT CL A 674001201 167 4,081 SH   SOLE   0 0 0
OSISKO GOLD ROYALTIES LTD COM 68827L101 81,514 8,607,357 SH   SOLE   0 0 0
PRICESMART INC COM 741511109 206,009 2,276,346 SH   SOLE   0 0 0
REALOGY HLDGS CORP COM 75605Y106 346,579 15,200,848 SH   SOLE   0 0 0
RESTAURANT BRANDS INTL INC COM 76131D103 106,002 1,757,320 SH   SOLE   0 0 0
SANDSTORM GOLD LTD COM 80013R206 4,746 1,055,774 SH   SOLE   0 0 0
SEACOR HOLDINGS INC NOTE 2.500%12/1 811904AM3 17,901 17,500,000 SH   SOLE   0 0 0
SERITAGE GROWTH PPTYS COM 81752R100 203,711 4,801,106 SH   SOLE   0 0 0
TE CONNECTIVITY LTD COM H84989104 513,225 5,698,700 SH   SOLE   0 0 0
THE SHERWIN-WILLIAMS CO. COM 824348106 287,828 706,204 SH   SOLE   0 0 0
TORONTO DOMINION BK ONT COM 891160509 54,530 942,140 SH   SOLE   0 0 0
UBIQUITI NETWORKS INC COM 90347A100 318,850 3,763,572 SH   SOLE   0 0 0
WABCO HLDGS INC COM 92927K102 408,488 3,490,757 SH   SOLE   0 0 0
WABTEC CORP COM 929740108 340,358 3,452,607 SH   SOLE   0 0 0
WELLS FARGO & CO NEW COM 949746101 725,013 13,077,437 SH   SOLE   0 0 0
WESCO INTL INC COM 95082P105 234,399 4,105,070 SH   SOLE   0 0 0