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
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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 35,019,742 42,642,000 SH   SOLE   0 0 0
AFFILIATED MANAGERS GROUP COM 008252108 320,493,932 1,932,316 SH   SOLE   0 0 0
ALERE INC COM 01449J105 266,007 5,300 SH   SOLE   0 0 0
ALERE INC PERP PFD CONV SE 01449J204 53,386,692 135,844 SH   SOLE   0 0 0
AMERICAN INTL GROUP INC W EXP 01/19/202 026874156 54,386 2,580 SH   SOLE   0 0 0
ANTHEM INC COM 036752103 417,800,045 2,220,805 SH   SOLE   0 0 0
BANK N S HALIFAX COM 064149107 49,060,706 815,560 SH   SOLE   0 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 289,593,900 1,137 SH   SOLE   0 0 0
BERKSHIRE HATHAWAY INC DEL CL B 084670702 94,687,653 559,058 SH   SOLE   0 0 0
BLACK STONE MINERALS L P COM UNIT 09225M101 3,392,482 215,259 SH   SOLE   0 0 0
CARPENTER TECHNOLOGY CORP COM 144285103 127,048,761 3,394,303 SH   SOLE   0 0 0
COLLIERS INTL GROUP INC SUB VTG SHRS 194693107 62,011,954 1,097,094 SH   SOLE   0 0 0
CSX Corp. COM 126408103 299,666,272 5,492,417 SH   SOLE   0 0 0
DAVIDSTEA INC COM 238661102 7,156,135 1,223,271 SH   SOLE   0 0 0
DIGI INTL INC COM 253798102 19,363,805 1,907,764 SH   SOLE   0 0 0
DineEquity, Inc. COM 254423106 26,388,373 599,055 SH   SOLE   0 0 0
EASTMAN CHEM CO COM 277432100 135,524,164 1,613,575 SH   SOLE   0 0 0
EchoStar Corp., class A CL A 278768106 43,031,323 708,918 SH   SOLE   0 0 0
ENERPLUS CORP COM 292766102 5,062,765 624,086 SH   SOLE   0 0 0
EXFO INC SUB VTG SHS 302046107 14,047,963 3,011,136 SH   SOLE   0 0 0
FLOWSERVE CORP COM 34354P105 292,855,136 6,307,455 SH   SOLE   0 0 0
FRANCO NEVADA CORP COM 351858105 18,740,723 259,730 SH   SOLE   0 0 0
GENERAC HLDGS INC COM 368736104 317,060,477 8,775,546 SH   SOLE   0 0 0
GRAN TIERRA ENERGY INC COM 38500T101 6,740,469 3,035,079 SH   SOLE   0 0 0
GRANITE REAL ESTATE INVT TR UNIT/99/99/9999 387437114 118,416,030 2,993,989 SH   SOLE   0 0 0
JPMORGAN CHASE & CO COM 46625H100 108,972,290 1,192,257 SH   SOLE   0 0 0
LIVE NATION ENTERTAINMENT IN COM 538034109 294,018,507 8,436,686 SH   SOLE   0 0 0
MANULIFE FINL CORP COM 56501R106 33,635,166 1,794,242 SH   SOLE   0 0 0
NATIONAL ENERGY SERVICES REU SHS G6375R107 9,550,000 1,000,000 SH   SOLE   0 0 0
NATIONAL ENERGY SERVICES REU *W EXP 05/05/202 G6375R115 550,000 1,000,000 SH   SOLE   0 0 0
OSISKO GOLD ROYALTIES LTD COM 68827L101 48,424,433 3,961,938 SH   SOLE   0 0 0
REALOGY HLDGS CORP COM 75605Y106 321,577,293 9,909,932 SH   SOLE   0 0 0
RESTAURANT BRANDS INTL INC COM 76131D103 81,254,489 1,298,628 SH   SOLE   0 0 0
REXNORD CORP NEW COM 76169B102 179,097,284 7,703,109 SH   SOLE   0 0 0
SANDSTORM GOLD LTD COM 80013R206 7,094,263 1,836,293 SH   SOLE   0 0 0
SEACOR HOLDINGS INC NOTE 2.500%12/1 811904AM3 17,500,000 17,500,000 SH   SOLE   0 0 0
SERVICE CORP INTL COM 817565104 257,445,751 7,696,435 SH   SOLE   0 0 0
TE CONNECTIVITY LTD COM H84989104 315,954,725 4,015,693 SH   SOLE   0 0 0
TEAM INC COM 878155100 59,434,517 2,534,521 SH   SOLE   0 0 0
TORONTO DOMINION BK ONT COM 891160509 47,477,587 942,140 SH   SOLE   0 0 0
UBIQUITI NETWORKS INC COM 90347A100 328,719,709 6,325,182 SH   SOLE   0 0 0
WABCO HLDGS INC COM 92927K102 404,803,574 3,174,681 SH   SOLE   0 0 0
WABTEC CORP COM 929740108 238,685,253 2,608,582 SH   SOLE   0 0 0
WELLS FARGO & CO NEW COM 949746101 561,607,335 10,135,487 SH   SOLE   0 0 0
WESCO INTL INC COM 95082P105 241,236,667 4,210,064 SH   SOLE   0 0 0
FIRSTSERVICE CORP SUB VTG SH 337738108 1,196,242 18,643 SH   SOLE   0 0 0