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
AETNA INC NEW COM 00817Y108 61,394 386,100 SH   SOLE   386,100 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 77,878 555,120 SH   SOLE   555,120 0 0
ALLERGAN PLC SHS G0177J108 58,616 286,002 SH   SOLE   286,002 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 45,108 383,933 SH   SOLE   383,933 0 0
ARMSTRONG WORLD INDS INC NEW COM 04247X102 64,137 1,251,456 SH   SOLE   1,251,456 0 0
ATARA BIOTHERAPEUTICS INC COM 046513107 27,349 1,652,513 SH   SOLE   1,652,513 0 0
CABOT OIL & GAS CORP COM 127097103 24,586 919,090 SH   SOLE   919,090 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 42,196 116,109 SH   SOLE   116,109 0 0
CHIPOTLE MEXICAN GRILL INC COM 169656105 17,151 55,716 SH   SOLE   55,716 0 0
ELDORADO RESORTS INC COM 28470R102 69,130 2,695,132 SH   SOLE   2,695,132 0 0
ENVISION HEALTHCARE CORP COM 29414D100 49,184 1,094,194 SH   SOLE   1,094,194 0 0
FACEBOOK INC CL A 30303M102 38,673 226,328 SH   SOLE   226,328 0 0
GODADDY INC CL A 380237107 88,612 2,036,589 SH   SOLE   2,036,589 0 0
HUMANA INC COM 444859102 54,205 222,490 SH   SOLE   222,490 0 0
IMPAX LABORATORIES INC COM 45256B101 12,230 602,456 SH   SOLE   602,456 0 0
INCYTE CORP COM 45337C102 36,804 315,262 SH   SOLE   315,262 0 0
IRONWOOD PHARMACEUTICALS INC COM CL A 46333X108 40,152 2,546,095 SH   SOLE   2,546,095 0 0
LIBERTY BROADBAND CORP COM SER A 530307107 36,758 390,292 SH   SOLE   390,292 0 0
MEDICINES CO COM 584688105 104,044 2,808,954 SH   SOLE   2,808,954 0 0
MERCK & CO INC COM 58933Y105 50,423 787,497 SH   SOLE   787,497 0 0
MGM RESORTS INTERNATIONAL COM 552953101 49,645 1,523,332 SH   SOLE   1,523,332 0 0
MOLINA HEALTHCARE INC COM 60855R100 28,422 413,347 SH   SOLE   413,347 0 0
MORGAN STANLEY COM NEW 617446448 58,303 1,210,359 SH   SOLE   1,210,359 0 0
NEKTAR THERAPEUTICS COM 640268108 54,592 2,274,661 SH   SOLE   2,274,661 0 0
POST HLDGS INC COM 737446104 102,377 1,159,818 SH   SOLE   1,159,818 0 0
PRETIUM RES INC COM 74139C102 15,291 1,651,328 SH   SOLE   1,651,328 0 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 62,417 721,000 SH Put SOLE   721,000 0 0
TEMPUR SEALY INTL INC COM 88023U101 67,381 1,044,337 SH   SOLE   1,044,337 0 0
TEVA PHARMACEUTICAL INDS LTD SPONSORED ADR 881624209 13,200 750,000 SH   SOLE   750,000 0 0
TG THERAPEUTICS INC COM 88322Q108 62,746 5,295,044 SH   SOLE   5,295,044 0 0
VERISIGN INC COM 92343E102 33,725 316,997 SH   SOLE   316,997 0 0
WAVE LIFE SCIENCES LTD SHS Y95308105 6,327 290,885 SH   SOLE   290,885 0 0
WRIGHT MED GROUP N V ORD SHS 0.03 PAR N96617118 66,095 2,554,894 SH   SOLE   2,554,894 0 0
ZIMMER BIOMET HLDGS INC COM 98956P102 50,807 433,917 SH   SOLE   433,917 0 0