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
Abbott Laboratories COM 002824100 7,324 62,000 SH   SOLE 0 62,000 0 0
Adams Diversified Equity Fund, COM 006212104 3,362 169,819 SH   SOLE 0 169,819 0 0
Advance Auto Parts, Inc. COM 00751Y106 9,977 47,761 SH   SOLE 0 47,761 0 0
Agnico Eagle Mines Limited COM 008474108 8,688 167,554 SH   SOLE 0 167,554 0 0
Akamai Technologies, Inc COM 00971T101 11,782 112,653 SH   SOLE 0 112,653 0 0
Alamos Gold Inc. COM 011532108 6,094 846,422 SH   SOLE 0 846,422 0 0
Alphabet Inc. COM 02079K107 70,631 26,500 SH   SOLE 0 26,500 0 0
Amazon.com, Inc. COM 023135106 47,633 14,500 SH   SOLE 0 14,500 0 0
ANGI Inc. COM 00183L102 9,899 802,225 SH   SOLE 0 802,225 0 0
Apple Inc. COM 037833100 49,242 348,000 SH   SOLE 0 348,000 0 0
Applied Materials, Inc. COM 038222105 16,948 131,652 SH   SOLE 0 131,652 0 0
Arch Capital Group Ltd. COM G0450A105 32,714 856,828 SH   SOLE 0 856,828 0 0
ASML Holding N.V. COM N07059210 61,732 82,850 SH   SOLE 0 82,850 0 0
Axis Capital Holdings Limited COM G0692U109 11,510 250,000 SH   SOLE 0 250,000 0 0
Barrick Gold Corporation COM 067901108 6,864 380,300 SH   SOLE 0 380,300 0 0
Berkshire Hathaway Inc. - Clas COM 084670108 45,252 110 SH   SOLE 0 110 0 0
Berkshire Hathaway Inc. - Clas COM 084670702 8,611 31,549 SH   SOLE 0 31,549 0 0
Booking Holdings Inc. COM 09857L108 9,495 4,000 SH   SOLE 0 4,000 0 0
Broadcom Inc. COM 11135F101 14,548 30,000 SH   SOLE 0 30,000 0 0
Brooks Automation Inc. COM 114340102 3,299 32,230 SH   SOLE 0 32,230 0 0
Cameco Corporation COM 13321L108 13,999 644,230 SH   SOLE 0 644,230 0 0
CDK Global, Inc. COM 12508E101 2,705 63,575 SH   SOLE 0 63,575 0 0
Chevron Corporation COM 166764100 10,347 101,991 SH   SOLE 0 101,991 0 0
Cisco Systems, Inc. COM 17275R102 28,576 525,000 SH   SOLE 0 525,000 0 0
Cleveland-Cliffs Inc. COM 185899101 13,266 669,669 SH   SOLE 0 669,669 0 0
Costco Wholesale Corporation COM 22160K105 26,961 60,000 SH   SOLE 0 60,000 0 0
Diageo plc ADR COM 25243Q205 4,825 25,000 SH   SOLE 0 25,000 0 0
Eaton Corporation plc COM G29183103 21,819 146,131 SH   SOLE 0 146,131 0 0
Elanco Animal Health Incorpora COM 28414H103 4,784 150,000 SH   SOLE 0 150,000 0 0
Energy Transfer LP COM 29273V100 11,209 1,170,030 SH   SOLE 0 1,170,030 0 0
Everest Re Group, Ltd. COM G3223R108 30,470 121,500 SH   SOLE 0 121,500 0 0
Expedia Group, Inc. COM 30212P303 13,450 82,065 SH   SOLE 0 82,065 0 0
Facebook, Inc. - Class A COM 30303M102 17,139 50,500 SH   SOLE 0 50,500 0 0
Fiserv Inc COM 337738108 14,919 137,500 SH   SOLE 0 137,500 0 0
Gilead Sciences, Inc. COM 375558103 7,048 100,900 SH   SOLE 0 100,900 0 0
Gulf Coast Ultra Deep Royalty COM 40222T104 91 3,830,440 SH   SOLE 0 3,830,440 0 0
GXO Logistics, Inc. COM 36262G101 3,922 50,000 SH   SOLE 0 50,000 0 0
Halliburton Company COM 406216101 6,406 296,300 SH   SOLE 0 296,300 0 0
Intra-Cellular Therapies, Inc. COM 46116X101 13,078 350,804 SH   SOLE 0 350,804 0 0
Invesco S&P Equal Weight COM 46137V357 4,212 28,111 SH   SOLE 0 28,111 0 0
JPMorgan Chase & Co. COM 46625H100 13,095 80,000 SH   SOLE 0 80,000 0 0
Liberty Broadband Corporation COM 530307305 17,748 102,768 SH   SOLE 0 102,768 0 0
M&T Bank Corporation COM 55261F104 16,427 110,000 SH   SOLE 0 110,000 0 0
Merck & Co., Inc. COM 58933Y105 19,167 255,191 SH   SOLE 0 255,191 0 0
MetLife, Inc. COM 59156R108 19,564 316,927 SH   SOLE 0 316,927 0 0
Microsoft Corporation COM 594918104 66,251 235,000 SH   SOLE 0 235,000 0 0
Nelnet, Inc. COM 64031N108 19,288 243,415 SH   SOLE 0 243,415 0 0
Otis Worldwide Corporation COM 68902V107 13,090 159,085 SH   SOLE 0 159,085 0 0
Paratek Pharmaceuticals, Inc. COM 699374302 5,408 1,112,658 SH   SOLE 0 1,112,658 0 0
PepsiCo, Inc. COM 713448108 21,057 140,000 SH   SOLE 0 140,000 0 0
Pfizer Inc. COM 717081103 14,873 345,808 SH   SOLE 0 345,808 0 0
Raytheon Technologies Corporat COM 75513E101 15,043 175,000 SH   SOLE 0 175,000 0 0
Regeneron Pharmaceuticals, Inc COM 75886F107 9,683 16,001 SH   SOLE 0 16,001 0 0
Republic Services, Inc. COM 760759100 63,019 524,895 SH   SOLE 0 524,895 0 0
Rogers Corporation COM 775133101 7,021 37,652 SH   SOLE 0 37,652 0 0
Royce Value Trust, Inc. COM 780910105 3,556 197,358 SH   SOLE 0 197,358 0 0
salesforce.com, inc. COM 79466L302 8,904 32,829 SH   SOLE 0 32,829 0 0
T-Mobile US, Inc. COM 872590104 29,123 227,950 SH   SOLE 0 227,950 0 0
Target Corporation COM 87612E106 29,958 130,951 SH   SOLE 0 130,951 0 0
TJX Companies, Inc./The COM 872540109 36,295 550,092 SH   SOLE 0 550,092 0 0
Tyler Technologies, Inc. COM 902252105 5,045 11,000 SH   SOLE 0 11,000 0 0
Universal Display Corporation COM 91347P105 11,627 68,009 SH   SOLE 0 68,009 0 0
Vale S.A. ADR COM 91912E105 2,790 200,000 SH   SOLE 0 200,000 0 0
Vale S.A. January 15 Calls CALL 91912E905 150 200,000 SH   SOLE 0 200,000 0 0
Vale S.A. March 15 Calls CALL 91912E905 95 100,000 SH   SOLE 0 100,000 0 0
VBI Vaccines, Inc. COM 91822J103 5,839 1,877,497 SH   SOLE 0 1,877,497 0 0
Venator Materials PLC COM G9329Z100 2,206 774,076 SH   SOLE 0 774,076 0 0
Wal-Mart, Inc. COM 931142103 13,261 95,140 SH   SOLE 0 95,140 0 0
Walt Disney Company /The COM 254687106 15,475 91,478 SH   SOLE 0 91,478 0 0
World Wrestling Entertainment, COM 98156Q108 7,483 133,000 SH   SOLE 0 133,000 0 0
ASML Holding N.V. Oct 830 Puts PUT N07059950 1,465 17,500 SH   SOLE 0 17,500 0 0