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

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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
Acuity Brands Inc COM 00508Y102 56,641 661,234 SH   SOLE   578,246 0 82,988
Adtalem COM 00737L103 106,100 3,960,426 SH   SOLE   3,587,690 0 372,736
Alphabet Inc CAP STK CL A 02079K305 53,113 45,710 SH   SOLE   37,091 0 8,619
Alphabet Inc CAP STK CL C 02079K107 35,852 30,833 SH   SOLE   30,833 0 0
Astronics Corp COM 046433108 34,689 3,778,722 SH   SOLE   3,474,721 0 304,001
Baidu Inc SPON ADR REP A 056752108 29,285 290,559 SH   SOLE   275,398 0 15,161
Barrick Gold Corp COM 067901108 40,838 2,229,169 SH   SOLE   2,229,169 0 0
Berkshire Hathaway Inc CL A 084670108 183,328 674 SH   SOLE   592 0 82
Berkshire Hathaway Inc CL B 084670702 196,447 1,074,480 SH   SOLE   962,365 0 112,115
Booking Holdings Inc. COM 09857L108 6,423 4,774 SH   SOLE   4,774 0 0
CDK Global Inc. COM 12508E101 58,238 1,772,853 SH   SOLE   1,575,798 0 197,055
Chevron COM 166764100 1,554 21,441 SH   SOLE   21,441 0 0
Cimarex Energy Co COM 171798101 33,625 1,997,894 SH   SOLE   1,787,776 0 210,118
Criteo SA SPON ADS 226718104 11,156 1,403,219 SH   SOLE   1,304,825 0 98,394
Dollar Tree COM 256746108 727 9,900 SH   SOLE   9,900 0 0
iShares Gold Trust ISHARES 464285105 149,128 9,895,686 SH   SOLE   6,371,095 0 3,524,591
LKQ Corp COM 501889208 144,859 7,062,849 SH   SOLE   6,267,824 0 795,025
Loma Negra Corp SPON ADS 54150E104 9,712 2,735,720 SH   SOLE   2,735,720 0 0
Mastercard Inc CL A 57636Q104 31,519 130,481 SH   SOLE   114,449 0 16,032
Net 1 UEPS Technologies COM 64107N206 18,804 6,461,734 SH   SOLE   6,143,669 0 318,065
Newmont Goldcorp Corp. COM 651639106 86,170 1,903,038 SH   SOLE   1,903,038 0 0
News Corp CL B 65249B208 206 22,953 SH   SOLE   22,953 0 0
Oracle Corp COM 68389X105 65,795 1,361,377 SH   SOLE   1,200,905 0 160,472
Phoenix New Media Ltd SPON ADS 71910C103 6,473 5,228,192 SH   SOLE   5,228,192 0 0
Qurate Retail Inc COM SER A 74915M100 26,016 4,264,903 SH   SOLE   3,854,292 0 410,611
Schlumberger Ltd COM 806857108 42,855 3,176,819 SH   SOLE   2,966,521 0 210,298
Sina Corp COM G81477104 51,680 1,623,131 SH   SOLE   1,519,794 0 103,337
Spirit Airlines COM 848577102 1,337 103,712 SH   SOLE   103,712 0 0
Western Union Co COM 959802109 99,620 5,494,755 SH   SOLE   4,912,091 0 582,664