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
ALEXION PHARMACEUTICALS INC COM 015351109 3,241 23,100 SH   SOLE   23,100 0 0
ALLERGAN PLC SHS G0177J108 7,592 37,041 SH   SOLE   37,041 0 0
ALTRIA GROUP INC COM 02209S103 8,143 128,400 SH   SOLE   128,400 0 0
AMAZON COM INC COM 023135106 10,270 10,683 SH   SOLE   10,683 0 0
AMERICAN INTL GROUP INC COM NEW 026874784 9,638 157,000 SH   SOLE   157,000 0 0
ANTHEM INC COM 036752103 11,393 60,000 SH   SOLE   60,000 0 0
APPLE INC COM 037833100 14,564 94,500 SH   SOLE   94,500 0 0
AQUINOX PHARMACEUTICALS INC COM 03842B101 268 18,900 SH   SOLE   18,900 0 0
BANK AMER CORP COM 060505104 7,980 314,900 SH   SOLE   314,900 0 0
BANK NEW YORK MELLON CORP COM 064058100 9,703 183,000 SH   SOLE   183,000 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 29,408 160,420 SH   SOLE   160,420 0 0
BLACKSTONE GROUP L P COM UNIT LTD 09253U108 6,340 190,000 SH   SOLE   190,000 0 0
CANADIAN NATL RY CO COM 136375102 8,202 99,000 SH   SOLE   99,000 0 0
COMCAST CORP NEW CL A 20030N101 11,390 296,000 SH   SOLE   296,000 0 0
COMMERCEHUB INC COM SER A 20084V108 488 21,637 SH   SOLE   21,637 0 0
COMMERCEHUB INC COM SER C 20084V306 554 25,942 SH   SOLE   25,942 0 0
CONSTELLATION BRANDS INC CL A 21036P108 1,775 8,900 SH   SOLE   8,900 0 0
CROWN HOLDINGS INC COM 228368106 4,766 79,813 SH   SOLE   79,813 0 0
DISNEY WALT CO COM DISNEY 254687106 10,005 101,500 SH   SOLE   101,500 0 0
EQUIFAX INC COM 294429105 4,770 45,000 SH   SOLE   45,000 0 0
EQUINIX INC COM PAR $0.001 29444U700 13,300 29,800 SH   SOLE   29,800 0 0
FACEBOOK INC CL A 30303M102 11,260 65,900 SH   SOLE   65,900 0 0
FEDERATED INVS INC PA CL B 314211103 5,579 187,835 SH   SOLE   187,835 0 0
FEDEX CORP COM 31428X106 5,640 25,000 SH   SOLE   25,000 0 0
FIDELITY NATIONAL FINANCIAL FNF GROUP COM 31620R303 1,718 36,200 SH   SOLE   36,200 0 0
FISERV INC COM 337738108 18,906 146,600 SH   SOLE   146,600 0 0
HINGHAM INSTN SVGS MASS COM 433323102 705 3,703 SH   SOLE   3,703 0 0
INCYTE CORP COM 45337C102 817 7,000 SH   SOLE   7,000 0 0
KRAFT HEINZ CO COM 500754106 9,616 124,000 SH   SOLE   124,000 0 0
LEVEL 3 COMMUNICATIONS INC COM NEW 52729N308 1,332 25,000 SH   SOLE   25,000 0 0
LIBERTY BROADBAND CORP COM SER A 530307107 1,413 15,000 SH   SOLE   15,000 0 0
LIBERTY BROADBAND CORP COM SER C 530307305 16,334 171,400 SH   SOLE   171,400 0 0
LIBERTY EXPEDIA HOLDINGS SER A COM 53046P109 744 14,000 SH   SOLE   14,000 0 0
LIBERTY GLOBAL PLC SHS CL A G5480U104 849 25,026 SH   SOLE   25,026 0 0
LIBERTY GLOBAL PLC SHS CL C G5480U120 12,053 368,600 SH   SOLE   368,600 0 0
LIBERTY INTERACTIVE CORP LBT VEN COM A NE 53071M856 1,364 23,700 SH   SOLE   23,700 0 0
LIBERTY MEDIA CORP DELAWARE COM A SIRIUSXM 531229409 947 22,600 SH   SOLE   22,600 0 0
LIBERTY MEDIA CORP DELAWARE COM C SIRIUSXM 531229607 11,393 272,100 SH   SOLE   272,100 0 0
LIBERTY MEDIA CORP DELAWARE COM A BRAVES GRP 531229706 241 9,500 SH   SOLE   9,500 0 0
LIBERTY MEDIA CORP DELAWARE COM SER C FRMLA 531229854 6,551 172,000 SH   SOLE   172,000 0 0
LIBERTY MEDIA CORP DELAWARE COM SER A FRMLA 531229870 547 15,000 SH   SOLE   15,000 0 0
LIBERTY MEDIA CORP DELAWARE COM C BRAVES GRP 531229888 2,994 118,500 SH   SOLE   118,500 0 0
LOCKHEED MARTIN CORP COM 539830109 16,290 52,500 SH   SOLE   52,500 0 0
LOWES COS INC COM 548661107 10,752 134,500 SH   SOLE   134,500 0 0
MASTERCARD INCORPORATED CL A 57636Q104 10,172 72,040 SH   SOLE   72,040 0 0
NEWMARKET CORP COM 651587107 12,784 30,026 SH   SOLE   30,026 0 0
NVR INC COM 62944T105 2,187 766 SH   SOLE   766 0 0
PFIZER INC COM 717081103 11,317 317,000 SH   SOLE   317,000 0 0
PHILIP MORRIS INTL INC COM 718172109 8,770 79,000 SH   SOLE   79,000 0 0
PPG INDS INC COM 693506107 10,866 100,000 SH   SOLE   100,000 0 0
PRICELINE GRP INC COM NEW 741503403 12,018 6,564 SH   SOLE   6,564 0 0
SCRIPPS NETWORKS INTERACT IN CL A COM 811065101 6,957 81,000 SH   SOLE   81,000 0 0
SEATTLE GENETICS INC COM 812578102 349 6,420 SH   SOLE   6,420 0 0
TRANSUNION COM 89400J107 3,474 73,500 SH   SOLE   73,500 0 0
UNION PAC CORP COM 907818108 9,278 80,000 SH   SOLE   80,000 0 0
VISA INC COM CL A 92826C839 10,688 101,560 SH   SOLE   101,560 0 0
WELLS FARGO CO NEW COM 949746101 16,876 306,000 SH   SOLE   306,000 0 0
WYNN RESORTS LTD COM 983134107 1,489 10,000 SH   SOLE   10,000 0 0