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
ACCURAY INC COM 004397105 17,712 2,400,000 SH   SOLE   2,400,000 0 0
ALLERGAN INC COM 018490102 42,512 470,000 SH   SOLE   470,000 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 28,368 443,181 SH   SOLE   443,181 0 0
ANDINA ACQUISITION CORP UNIT 03/16/2016 G0440W118 1,578 150,000 SH   SOLE   150,000 0 0
ASSURED GUARANTY LTD COM G0585R106 41,250 2,200,000 SH   SOLE   2,200,000 0 0
BRUKER CORP COM 116794108 16,830 815,000 SH   SOLE   815,000 0 0
CASELLA WASTE SYS INC CL A 147448104 10,313 1,793,507 SH   SOLE   1,793,507 0 0
CENTENE CORP DEL COM 15135B101 39,916 624,071 SH   SOLE   624,071 0 0
CHARTER COMMUNICATIONS INC D CL A NEW 16117M305 69,509 515,800 SH   SOLE   515,800 0 0
COTT CORP QUE COM 22163N106 34,990 4,550,000 SH   SOLE   4,550,000 0 0
DUNKIN BRANDS GROUP INC COM 265504100 40,055 885,000 SH   SOLE   885,000 0 0
ENVISION HEALTHCARE HLDGS IN COM 29413U103 26,421 1,015,004 SH   SOLE   1,015,004 0 0
FACEBOOK INC CL A 30303M102 83,964 1,671,600 SH   SOLE   1,671,600 0 0
GENERAL MTRS CO COM 37045V100 66,545 1,850,000 SH   SOLE   1,850,000 0 0
HCA HOLDINGS INC COM 40412C101 36,124 845,000 SH   SOLE   845,000 0 0
IDENIX PHARMACEUTICALS INC COM 45166R204 22,632 4,360,628 SH   SOLE   4,360,628 0 0
KAR AUCTION SVCS INC COM 48238T109 67,704 2,400,000 SH   SOLE   2,400,000 0 0
MOMENTA PHARMACEUTICALS INC COM 60877T100 24,031 1,670,000 SH   SOLE   1,670,000 0 0
MORGAN STANLEY COM NEW 617446448 66,028 2,450,000 SH   SOLE   2,450,000 0 0
PENNYMAC FINL SVCS INC CL A 70932B101 32,413 1,725,000 SH   SOLE   1,725,000 0 0
PINNACLE ENTMT INC COM 723456109 48,008 1,916,481 SH   SOLE   1,916,481 0 0
PRICELINE COM INC COM NEW 741503403 48,020 47,500 SH   SOLE   47,500 0 0
RESPONSE GENETICS INC COM 76123U105 13,320 6,000,000 SH   SOLE   6,000,000 0 0
SCIENTIFIC GAMES CORP CL A 80874P109 36,383 2,250,000 SH   SOLE   2,250,000 0 0
SHFL ENTMT INC COM 78423R105 11,916 518,779 SH   SOLE   518,779 0 0
SODASTREAM INTERNATIONAL LTD USD SHS M9068E105 7,172 115,000 SH   SOLE   115,000 0 0
SPIRIT AIRLS INC COM 848577102 34,270 1,000,000 SH   SOLE   1,000,000 0 0
TEAM HEALTH HOLDINGS INC COM 87817A107 15,935 420,000 SH   SOLE   420,000 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 34,806 845,000 SH   SOLE   845,000 0 0
TESLA MTRS INC COM 88160R101 58,011 300,000 SH   SOLE   300,000 0 0
TEVA PHARMACEUTICAL INDS LTD ADR 881624209 31,735 840,000 SH   SOLE   840,000 0 0
TG THERAPEUTICS INC COM 88322Q108 7,560 1,500,000 SH   SOLE   1,500,000 0 0
TORNIER N V SHS N87237108 38,488 1,991,092 SH   SOLE   1,991,092 0 0
TRIPADVISOR INC COM 896945201 18,202 240,000 SH   SOLE   240,000 0 0
TROVAGENE INC COM NEW 897238309 15,386 2,142,857 SH   SOLE   2,142,857 0 0
UNITEDHEALTH GROUP INC COM 91324P102 42,966 600,000 SH   SOLE   600,000 0 0
VERASTEM INC COM 92337C104 2,490 200,000 SH   SOLE   200,000 0 0
VERISIGN INC COM 92343E102 62,137 1,221,000 SH   SOLE   1,221,000 0 0
VIPSHOP HLDGS LTD SPONSORED ADR 92763W103 23,572 415,000 SH   SOLE   415,000 0 0
WRIGHT MED GROUP INC COM 98235T107 37,119 1,423,284 SH   SOLE   1,423,284 0 0
WYNN RESORTS LTD COM 983134107 3,129 19,800 SH   SOLE   19,800 0 0
ZOETIS INC CL A 98978V103 37,439 1,203,038 SH   SOLE   1,203,038 0 0