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
AGENUS INC COM NEW 00847G705 2,497 550,000 SH   DFND 1,2,3,4,5 550,000 0 0
AGIOS PHARMACEUTICALS INC COM 00847X104 17,853 275,000 SH   DFND 1,2,3,4,5 275,000 0 0
AGIOS PHARMACEUTICALS INC COM 00847X104 6,492 100,000 SH Call DFND 1,2,3,4,5 100,000 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 24,381 300,000 SH   DFND 1,2,3,4,5 300,000 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 24,381 300,000 SH Call DFND 1,2,3,4,5 300,000 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 44,717 475,000 SH   DFND 1,2,3,4,5 475,000 0 0
AMERICAN EXPRESS CO COM 258161090 13,910 200,000 SH Call DFND 1,2,3,4,5 200,000 0 0
APPLE INC COM 378331000 63,156 600,000 SH Call DFND 1,2,3,4,5 600,000 0 0
ARRAY BIOPHARMA INC COM 04269X105 15,656 3,710,000 SH   DFND 1,2,3,4,5 3,710,000 0 0
ARRAY BIOPHARMA INC COM 04269X105 1,266 300,000 SH Call DFND 1,2,3,4,5 300,000 0 0
BANK AMER CORP COM 605051040 16,830 1,000,000 SH   DFND 1,2,3,4,5 1,000,000 0 0
BANK AMER CORP COM 605051040 67,320 4,000,000 SH Call DFND 1,2,3,4,5 4,000,000 0 0
BIOGEN INC COM 09062X103 107,223 350,000 SH Call DFND 1,2,3,4,5 350,000 0 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 28,809 275,000 SH   DFND 1,2,3,4,5 275,000 0 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 10,476 100,000 SH Call DFND 1,2,3,4,5 100,000 0 0
BIOTIME INC COM 09066L105 5,256 1,282,050 SH   DFND 1,2,3,4,5 1,282,050 0 0
BLUEBIRD BIO INC COM 09609G100 23,119 360,000 SH   DFND 1,2,3,4,5 360,000 0 0
BLUEBIRD BIO INC COM 09609G100 3,211 50,000 SH Call DFND 1,2,3,4,5 50,000 0 0
BLUE BUFFALO PET PRODS INC COM 09531U102 2,151,417 114,987,547 SH   DFND 1,2,3,4 114,987,547 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 34,395 500,000 SH Call DFND 1,2,3,4,5 500,000 0 0
CELGENE CORP COM 151020104 11,976 100,000 SH   DFND 1,2,3,4,5 100,000 0 0
CELGENE CORP COM 151020104 95,808 800,000 SH Call DFND 1,2,3,4,5 800,000 0 0
CELLDEX THERAPEUTICS INC NEW COM 15117B103 5,880 375,000 SH   DFND 1,2,3,4,5 375,000 0 0
CELLECTIS S A SPONSORED ADS 15117K103 6,516 210,000 SH   DFND 1,2,3,4,5 210,000 0 0
CERES INC COM NEW 156773400 338 1,024,020 SH   DFND 1,2,3,4 1,024,020 0 0
CHEMOCENTRYX INC COM 16383L106 7,290 900,000 SH   DFND 1,2,3,4,5 900,000 0 0
CITIGROUP INC COM NEW 172967424 12,938 250,000 SH Call DFND 1,2,3,4,5 250,000 0 0
COLUCID PHARMACEUTICALS INC COM 19716T101 47 5,575 SH   DFND 1,2,3,4 5,575 0 0
DELPHI AUTOMOTIVE PLC SHS G27823106 8,573 100,000 SH   DFND 1,2,3,4,5 100,000 0 0
DELTA AIR LINES INC DEL COM NEW 247361702 5,069 100,000 SH   DFND 1,2,3,4,5 100,000 0 0
DIMENSION THERAPEUTICS INC COM 25433V105 1,974 175,000 SH   DFND 1,2,3,4,5 175,000 0 0
ENDO INTL PLC SHS G30401106 18,366 300,000 SH Call DFND 1,2,3,4,5 300,000 0 0
GENERAL ELECTRIC CO COM 369604103 15,575 500,000 SH Call DFND 1,2,3,4,5 500,000 0 0
GENERAL MTRS CO COM 37045V100 13,604 400,000 SH   DFND 1,2,3,4,5 400,000 0 0
GENERAL MTRS CO COM 37045V100 34,010 1,000,000 SH Call DFND 1,2,3,4,5 1,000,000 0 0
GILEAD SCIENCES INC COM 375558103 30,357 300,000 SH Call DFND 1,2,3,4,5 300,000 0 0
GOLDMAN SACHS GROUP INC COM 38141G104 135,173 750,000 SH Call DFND 1,2,3,4,5 750,000 0 0
IGNYTA INC COM 451731103 6,365 475,000 SH   DFND 1,2,3,4,5 475,000 0 0
INCYTE CORP COM 45337C102 61,817 570,000 SH   DFND 1,2,3,4,5 570,000 0 0
INCYTE CORP COM 45337C102 5,423 50,000 SH Call DFND 1,2,3,4,5 50,000 0 0
IONIS PHARMACEUTICALS INC COM 462222100 21,676 350,000 SH   DFND 1,2,3,4,5 350,000 0 0
IONIS PHARMACEUTICALS INC COM 462222100 6,193 100,000 SH Call DFND 1,2,3,4,5 100,000 0 0
IRONWOOD PHARMACEUTICALS INC COM CL A 46333X108 2,514 216,879 SH   DFND 1,2,3,4 216,879 0 0
ISHARES TR NASDQ BIOTEC ETF 464287556 33,833 100,000 SH Call DFND 1,2,3,4,5 100,000 0 0
JPMORGAN CHASE & CO COM 46625H100 13,206 200,000 SH   DFND 1,2,3,4,5 200,000 0 0
JPMORGAN CHASE & CO COM 46625H100 56,126 850,000 SH Call DFND 1,2,3,4,5 850,000 0 0
JUMEI INTL HLDG LTD SPONSORED ADR 48138L107 4,530 500,000 SH   DFND 1,2,3,4,5 500,000 0 0
JUNO THERAPEUTICS INC COM 48205A109 8,354 190,000 SH   DFND 1,2,3,4,5 190,000 0 0
KITE PHARMA INC COM 49803L109 21,567 350,000 SH   DFND 1,2,3,4,5 350,000 0 0
KITE PHARMA INC COM 49803L109 9,243 150,000 SH Call DFND 1,2,3,4,5 150,000 0 0
LENDINGCLUB CORP COM 52603A109 11,879 1,075,000 SH   DFND 1,2,3,4,5 1,075,000 0 0
LENDINGCLUB CORP COM 52603A109 3,591 325,000 SH Call DFND 1,2,3,4,5 325,000 0 0
LEXICON PHARMACEUTICALS INC COM NEW 528872302 10,559 793,327 SH   DFND 1,2,3,4,5 793,327 0 0
LEXICON PHARMACEUTICALS INC COM NEW 528872302 755,005 56,724,650 SH   DFND 1,2,3,4 56,724,650 0 0
LINKEDIN CORP COM CL A 53578A108 22,508 100,000 SH   DFND 1,2,3,4,5 100,000 0 0
MASTERCARD INC CL A 57636Q104 29,208 300,000 SH   DFND 1,2,3,4,5 300,000 0 0
MERCK & CO INC NEW COM 58933Y105 26,410 500,000 SH Call DFND 1,2,3,4,5 500,000 0 0
METLIFE INC COM 59156R108 72,315 1,500,000 SH Call DFND 1,2,3,4,5 1,500,000 0 0
MICRON TECHNOLOGY INC COM 595112103 14,160 1,000,000 SH Call DFND 1,2,3,4,5 1,000,000 0 0
MOBILEYE N V AMSTELVEEN ORD SHS N51488117 14,798 350,000 SH   DFND 1,2,3,4,5 350,000 0 0
MORGAN STANLEY COM NEW 617446448 9,543 300,000 SH   DFND 1,2,3,4,5 300,000 0 0
MORGAN STANLEY COM NEW 617446448 31,810 1,000,000 SH Call DFND 1,2,3,4,5 1,000,000 0 0
NANTKWEST INC COM 63016Q102 3,899 225,000 SH   DFND 1,2,3,4,5 225,000 0 0
NEKTAR THERAPEUTICS COM 640268108 26,960 1,600,000 SH   DFND 1,2,3,4,5 1,600,000 0 0
PARNELL PHARMACEUT HLDGS LTD SHS Q73622104 1,940 500,000 SH   DFND 1,2,3,4,5 500,000 0 0
QUALCOMM INC COM 747525103 8,223 164,500 SH   DFND 1,2,3,4,5 164,500 0 0
QUALCOMM INC COM 747525103 24,993 500,000 SH Call DFND 1,2,3,4,5 500,000 0 0
REGENXBIO INC COM 75901B107 2,656 160,000 SH   DFND 1,2,3,4,5 160,000 0 0
SAREPTA THERAPEUTICS INC COM 803607100 3,858 100,000 SH Call DFND 1,2,3,4,5 100,000 0 0
SERES THERAPEUTICS INC COM 81750R102 6,141 175,000 SH   DFND 1,2,3,4,5 175,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 50,968 250,000 SH Call DFND 1,2,3,4,5 250,000 0 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 10,530 150,000 SH Call DFND 1,2,3,4,5 150,000 0 0
SPECTRANETICS CORP COM 84760C107 1,506 100,000 SH   DFND 1,2,3,4,5 100,000 0 0
TEVA PHARMACEUTICAL INDS LTD ADR 881624209 29,538 450,000 SH Call DFND 1,2,3,4,5 450,000 0 0
TIME WARNER INC COM NEW 887317303 9,701 150,000 SH Call DFND 1,2,3,4,5 150,000 0 0
VISA INC COM CL A 92826C839 13,571 175,000 SH   DFND 1,2,3,4,5 175,000 0 0
WAL-MART STORES INC COM 931142103 102,065 1,665,000 SH Call DFND 1,2,3,4,5 1,665,000 0 0
WEIGHT WATCHERS INTL INC NEW COM 948626106 671,307 29,443,300 SH   DFND 1,2,3,4 29,443,300 0 0
XOMA CORP DEL COM 98419J107 532 400,000 SH Call DFND 1,2,3,4,5 400,000 0 0
YUM BRANDS INC COM 988498101 21,915 300,000 SH   DFND 1,2,3,4,5 300,000 0 0
YUM BRANDS INC COM 988498101 18,263 250,000 SH Call DFND 1,2,3,4,5 250,000 0 0