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
AGEX THERAPEUTICS INC COM 00848H108 938 262,847 SH   SOLE   0 0 938
AMAZON INC COM COM 023135106 493 259 SH   SOLE   0 0 493
APPLE INC COM 037833100 468 2,340 SH   SOLE   0 0 468
BERKSHIRE HATHAWAY INC CL B COM 084670702 28,367 133,302 SH   SOLE   0 0 28,367
BIOTIME INC COM 09066L105 4,269 4,119,800 SH   SOLE   0 0 4,269
CISCO SYS INC COM 17275R102 263 4,722 SH   SOLE   0 0 263
COLFAX CORP COM COM 194014106 5,388 197,593 SH   SOLE   0 0 5,388
COMPUGEN LTD ORD COM M25722105 1,187 306,733 SH   SOLE   0 0 1,187
DANAHER CORPORATION COM COM 235851102 21,219 148,916 SH   SOLE   0 0 21,219
FITBIT INC CL A COM 33812L102 87 20,000 SH   SOLE   0 0 87
FORTIVE CORP COM COM 34959J108 16,447 202,627 SH   SOLE   0 0 16,447
INOVIO PHARMACEUTICALS INC COM NEW COM 45773H201 1,920 648,800 SH   SOLE   0 0 1,920
KINDER MORGAN INC DEL COM COM 49456B101 2,480 120,831 SH   SOLE   0 0 2,480
MONSTER BEVERAGE CORP NEW COM COM 61174X109 18,522 289,545 SH   SOLE   0 0 18,522
STAAR SURGICAL CO COM PAR $0.01 COM 852312305 18,069 601,828 SH   SOLE   0 0 18,069
WINMARK CORP COM COM 974250102 3,497 20,078 SH   SOLE   0 0 3,497