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
Aegerion Pharmaceuticals Inc. NOTE 2.000% 8/1 00767EAB8 41,704 51,642,000 SH   SOLE   0 0 0
AFFILIATED MANAGERS GROUP COM 008252108 363,960 1,917,296 SH   SOLE   0 0 0
ALERE INC PERP PFD CONV SE 01449J204 26,403 65,844 SH   SOLE   0 0 0
AMERICAN INTL GROUP INC W EXP 01/19/202 026874156 52 2,580 SH   SOLE   0 0 0
ANTHEM INC COM 036752103 418,440 2,203,709 SH   SOLE   0 0 0
BANK N S HALIFAX COM 064149107 52,421 815,560 SH   SOLE   0 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 361,008 1,314 SH   SOLE   0 0 0
BERKSHIRE HATHAWAY INC DEL CL B 084670702 102,466 558,948 SH   SOLE   0 0 0
BLACK STONE MINERALS L P COM UNIT 09225M101 14,654 845,123 SH   SOLE   0 0 0
CARPENTER TECHNOLOGY CORP COM 144285103 160,942 3,350,871 SH   SOLE   0 0 0
COLLIERS INTL GROUP INC SUB VTG SHRS 194693107 54,426 1,097,094 SH   SOLE   0 0 0
CSX Corp. COM 126408103 384,787 7,091,545 SH   SOLE   0 0 0
DAVIDSTEA INC COM 238661102 9,980 2,348,271 SH   SOLE   0 0 0
DIGI INTL INC COM 253798102 20,222 1,907,764 SH   SOLE   0 0 0
DineEquity, Inc. COM 254423106 31,596 735,138 SH   SOLE   0 0 0
EchoStar Corp., class A CL A 278768106 40,571 708,918 SH   SOLE   0 0 0
ENERPLUS CORP COM 292766102 6,157 624,086 SH   SOLE   0 0 0
EXFO INC SUB VTG SHS 302046107 12,018 3,011,136 SH   SOLE   0 0 0
FLOWSERVE CORP COM 34354P105 376,695 8,844,687 SH   SOLE   0 0 0
FRANCO NEVADA CORP COM 351858105 20,121 259,730 SH   SOLE   0 0 0
GENERAC HLDGS INC COM 368736104 414,635 9,027,537 SH   SOLE   0 0 0
GRAN TIERRA ENERGY INC COM 38500T101 2,985 1,315,882 SH   SOLE   0 0 0
GRANITE REAL ESTATE INVT TR UNIT/99/99/9999 387437114 120,143 2,993,989 SH   SOLE   0 0 0
JPMORGAN CHASE & CO COM 46625H100 112,653 1,179,491 SH   SOLE   0 0 0
LIVE NATION ENTERTAINMENT IN COM 538034109 51,069 1,172,655 SH   SOLE   0 0 0
MANULIFE FINL CORP COM 56501R106 36,395 1,794,242 SH   SOLE   0 0 0
NATIONAL ENERGY SERVICES REU SHS G6375R107 9,620 1,000,000 SH   SOLE   0 0 0
NATIONAL ENERGY SERVICES REU *W EXP 05/05/202 G6375R115 500 1,000,000 SH   SOLE   0 0 0
OSISKO GOLD ROYALTIES LTD COM 68827L101 51,122 3,961,938 SH   SOLE   0 0 0
REALOGY HLDGS CORP COM 75605Y106 324,203 9,839,244 SH   SOLE   0 0 0
RESTAURANT BRANDS INTL INC COM 76131D103 82,970 1,298,628 SH   SOLE   0 0 0
REXNORD CORP NEW COM 76169B102 134,618 5,297,839 SH   SOLE   0 0 0
SANDSTORM GOLD LTD COM 80013R206 8,300 1,836,293 SH   SOLE   0 0 0
SEACOR HOLDINGS INC NOTE 2.500%12/1 811904AM3 17,500 17,500,000 SH   SOLE   0 0 0
SERVICE CORP INTL COM 817565104 132,708 3,846,613 SH   SOLE   0 0 0
TE CONNECTIVITY LTD COM H84989104 365,852 4,404,668 SH   SOLE   0 0 0
TORONTO DOMINION BK ONT COM 891160509 53,044 942,140 SH   SOLE   0 0 0
UBIQUITI NETWORKS INC COM 90347A100 343,289 6,127,974 SH   SOLE   0 0 0
WABCO HLDGS INC COM 92927K102 466,460 3,151,755 SH   SOLE   0 0 0
WABTEC CORP COM 929740108 391,310 5,165,811 SH   SOLE   0 0 0
WELLS FARGO & CO NEW COM 949746101 610,150 11,063,458 SH   SOLE   0 0 0
WESCO INTL INC COM 95082P105 243,318 4,177,130 SH   SOLE   0 0 0
FIRSTSERVICE CORP SUB VTG SH 337738108 1,225 18,643 SH   SOLE   0 0 0
GILDAN ACTIVEWEAR INC COM 375916103 30,335 970,781 SH   SOLE   0 0 0
MICROSEMI CORP COM 595137100 176,866 3,435,632 SH   SOLE   0 0 0
NOVELION THERAPEUTICS INC COM 67001K202 7,301 1,038,566 SH   SOLE   0 0 0