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 7,188 62,000 SH   SOLE   62,000 0 0
Adams Diversified Equity Fund, COM 006212104 3,733 188,819 SH   SOLE   188,819 0 0
Advance Auto Parts, Inc. COM 00751Y106 7,746 37,761 SH   SOLE   37,761 0 0
Agnico Eagle Mines Limited COM 008474108 9,524 157,554 SH   SOLE   157,554 0 0
Akamai Technologies, Inc COM 00971T101 10,803 92,653 SH   SOLE   92,653 0 0
Alamos Gold Inc. COM 011532108 3,798 496,422 SH   SOLE   496,422 0 0
Alphabet Inc. COM 02079K107 66,417 26,500 SH   SOLE   26,500 0 0
Amazon.com, Inc. COM 023135106 49,882 14,500 SH   SOLE   14,500 0 0
ANGI Inc. COM 00183L102 4,530 335,059 SH   SOLE   335,059 0 0
Apple Inc. COM 037833100 47,662 348,000 SH   SOLE   348,000 0 0
Applied Materials, Inc. COM 038222105 18,747 131,652 SH   SOLE   131,652 0 0
Arch Capital Group Ltd. COM G0450A105 33,365 856,828 SH   SOLE   856,828 0 0
ASML Holding N.V. COM N07059210 57,236 82,850 SH   SOLE   82,850 0 0
ATI Physical Therapy, Inc. COM 00216W109 817 85,668 SH   SOLE   85,668 0 0
Autodesk, Inc. COM 052769106 12,552 43,000 SH   SOLE   43,000 0 0
Axis Capital Holdings Limited COM G0692U109 12,253 250,000 SH   SOLE   250,000 0 0
Barrick Gold Corporation COM 067901108 7,865 380,300 SH   SOLE   380,300 0 0
Berkshire Hathaway Inc. - Clas COM 084670108 46,046 110 SH   SOLE   110 0 0
Berkshire Hathaway Inc. - Clas COM 084670702 8,768 31,549 SH   SOLE   31,549 0 0
Booking Holdings Inc. COM 09857L108 6,564 3,000 SH   SOLE   3,000 0 0
Broadcom Inc. COM 11135F101 12,398 26,000 SH   SOLE   26,000 0 0
Cameco Corporation COM 13321L108 12,836 669,230 SH   SOLE   669,230 0 0
CDK Global, Inc. COM 12508E101 9,122 183,575 SH   SOLE   183,575 0 0
Chevron Corporation COM 166764100 10,159 96,991 SH   SOLE   96,991 0 0
Cisco Systems, Inc. COM 17275R102 27,825 525,000 SH   SOLE   525,000 0 0
Citrix Systems, Inc. COM 177376100 12,208 104,101 SH   SOLE   104,101 0 0
Cleveland-Cliffs Inc. COM 185899101 13,899 644,669 SH   SOLE   644,669 0 0
Costco Wholesale Corporation COM 22160K105 25,719 65,000 SH   SOLE   65,000 0 0
Diageo plc ADR COM 25243Q205 4,792 25,000 SH   SOLE   25,000 0 0
Eaton Corporation plc COM G29183103 21,654 146,131 SH   SOLE   146,131 0 0
Energy Transfer LP COM 29273V100 11,162 1,050,030 SH   SOLE   1,050,030 0 0
Everest Re Group, Ltd. COM G3223R108 30,619 121,500 SH   SOLE   121,500 0 0
Expedia Group, Inc. COM 30212P303 12,207 74,565 SH   SOLE   74,565 0 0
Facebook, Inc. - Class A COM 30303M102 17,559 50,500 SH   SOLE   50,500 0 0
Fiserv Inc COM 337738108 12,292 115,000 SH   SOLE   115,000 0 0
Gilead Sciences, Inc. COM 375558103 6,948 100,900 SH   SOLE   100,900 0 0
Gulf Coast Ultra Deep Royalty COM 40222T104 96 3,830,440 SH   SOLE   3,830,440 0 0
Halliburton Company COM 406216101 6,850 296,300 SH   SOLE   296,300 0 0
Intel Corporation COM 458140100 6,456 115,000 SH   SOLE   115,000 0 0
Intra-Cellular Therapies, Inc. COM 46116X101 14,320 350,804 SH   SOLE   350,804 0 0
Invesco S&P Equal Weight COM 46137V357 4,237 28,111 SH   SOLE   28,111 0 0
JPMorgan Chase & Co. COM 46625H100 12,443 80,000 SH   SOLE   80,000 0 0
Kindred Biosciences, Inc. COM 494577109 701 76,471 SH   SOLE   76,471 0 0
Liberty Broadband Corporation COM 530307305 27,618 159,035 SH   SOLE   159,035 0 0
M&T Bank Corporation COM 55261F104 15,984 110,000 SH   SOLE   110,000 0 0
Merck & Co., Inc. COM 58933Y105 19,069 245,191 SH   SOLE   245,191 0 0
MetLife, Inc. COM 59156R108 18,968 316,927 SH   SOLE   316,927 0 0
Microsoft Corporation COM 594918104 63,662 235,000 SH   SOLE   235,000 0 0
Nelnet, Inc. COM 64031N108 18,312 243,415 SH   SOLE   243,415 0 0
Nuance Communications, Inc. COM 67020Y100 19,054 350,000 SH   SOLE   350,000 0 0
Organon & Co. COM 68622V106 742 24,519 SH   SOLE   24,519 0 0
Otis Worldwide Corporation COM 68902V107 15,461 189,085 SH   SOLE   189,085 0 0
Paratek Pharmaceuticals, Inc. COM 699374302 7,101 1,041,197 SH   SOLE   1,041,197 0 0
PepsiCo, Inc. COM 713448108 20,744 140,000 SH   SOLE   140,000 0 0
Pfizer Inc. COM 717081103 14,325 365,808 SH   SOLE   365,808 0 0
Raytheon Technologies Corporat COM 75513E101 14,929 175,000 SH   SOLE   175,000 0 0
Regeneron Pharmaceuticals, Inc COM 75886F107 7,262 13,001 SH   SOLE   13,001 0 0
Republic Services, Inc. COM 760759100 57,744 524,895 SH   SOLE   524,895 0 0
Rogers Corporation COM 775133101 5,773 28,752 SH   SOLE   28,752 0 0
Royce Value Trust, Inc. COM 780910105 3,744 197,358 SH   SOLE   197,358 0 0
T-Mobile US, Inc. COM 872590104 29,393 202,950 SH   SOLE   202,950 0 0
Target Corporation COM 87612E106 31,656 130,951 SH   SOLE   130,951 0 0
TJX Companies, Inc./The COM 872540109 37,087 550,092 SH   SOLE   550,092 0 0
Tyler Technologies, Inc. COM 902252105 4,976 11,000 SH   SOLE   11,000 0 0
Universal Display Corporation COM 91347P105 15,120 68,009 SH   SOLE   68,009 0 0
Valneva SE - ADS COM 92025Y103 1,976 75,000 SH   SOLE   75,000 0 0
VBI Vaccines, Inc. COM 91822J103 6,290 1,877,497 SH   SOLE   1,877,497 0 0
Venator Materials PLC COM G9329Z100 3,669 774,076 SH   SOLE   774,076 0 0
Vistra Corp. COM 92840M102 3,667 197,694 SH   SOLE   197,694 0 0
Wal-Mart, Inc. COM 931142103 9,186 65,140 SH   SOLE   65,140 0 0
Walt Disney Company /The COM 254687106 16,079 91,478 SH   SOLE   91,478 0 0
World Wrestling Entertainment, COM 98156Q108 2,605 45,000 SH   SOLE   45,000 0 0
Vaxart, Inc. July 7.50 Calls CALL 92243A900 71 109,900 SH   SOLE   109,900 0 0