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
ACADIA HEALTHCARE COMPANY IN COM 00404A109 41,305 749,500 SH   SOLE   749,500 0 0
ACHILLION PHARMACEUTICALS IN COM 00448Q201 9,418 1,220,000 SH   SOLE   1,220,000 0 0
ACLARIS THERAPEUTICS INC COM 00461U105 16,970 895,500 SH   SOLE   895,500 0 0
ADAPTIMMUNE THERAPEUTICS PLC SPONDS ADR 00653A107 6,219 765,001 SH   SOLE   765,001 0 0
ADURO BIOTECH INC COM 00739L101 5,316 415,000 SH   SOLE   415,000 0 0
ADVANCED ACCELERATOR APPLIC SPONSORED ADS 00790T100 29,172 833,000 SH   SOLE   833,000 0 0
AETNA INC NEW COM 00817Y108 46,176 411,000 SH   SOLE   411,000 0 0
AIMMUNE THERAPEUTICS INC COM 00900T107 3,973 293,000 SH   SOLE   293,000 0 0
ALDER BIOPHARMACEUTICALS INC COM 014339105 2,388 97,500 SH   SOLE   97,500 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 31,707 227,750 SH   SOLE   227,750 0 0
ALKERMES PLC SHS G01767105 6,650 194,500 SH   SOLE   194,500 0 0
ALLERGAN PLC SHS G0177J108 45,833 171,000 SH   SOLE   171,000 0 0
ALLERGAN PLC PFD CONV SER A G0177J116 4,585 5,000 SH   SOLE   5,000 0 0
AMGEN INC COM 031162100 14,093 94,000 SH   SOLE   94,000 0 0
AMICUS THERAPEUTICS INC COM 03152W109 5,184 613,500 SH   SOLE   613,500 0 0
ANACOR PHARMACEUTICALS INC COM 032420101 9,487 177,500 SH   SOLE   177,500 0 0
ANTHEM INC COM 036752103 16,818 121,000 SH   SOLE   121,000 0 0
ANTHERA PHARMACEUTICALS INC COM NEW 03674U201 1,629 450,000 SH   SOLE   450,000 0 0
ARDELYX INC COM 039697107 8,239 1,060,400 SH   SOLE   1,060,400 0 0
ASCENDIS PHARMA A S SPONSORED ADR 04351P101 5,009 270,000 SH   SOLE   270,000 0 0
ASSEMBLY BIOSCIENCES INC COM 045396108 1,958 390,000 SH   SOLE   390,000 0 0
ATHENAHEALTH INC COM 04685W103 6,349 45,750 SH   SOLE   45,750 0 0
ATYR PHARMA INC COM 002120103 1,708 433,496 SH   SOLE   433,496 0 0
AURIS MED HLDG AG COM H03579101 2,867 787,600 SH   SOLE   787,600 0 0
AVEXIS INC COM 05366U100 3,889 142,758 SH   SOLE   142,758 0 0
BAXALTA INC COM 07177M103 32,724 810,000 SH   SOLE   810,000 0 0
BEIGENE LTD SPONSORED ADR 07725L102 6,595 225,000 SH   SOLE   225,000 0 0
BIOGEN INC COM 09062X103 13,836 53,150 SH   SOLE   53,150 0 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 8,516 103,250 SH   SOLE   103,250 0 0
BLUEBIRD BIO INC COM 09609G100 850 20,000 SH   SOLE   20,000 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 10,860 170,000 SH   SOLE   170,000 0 0
CARDIOME PHARMA CORP COM NO PAR 14159U301 4,867 1,190,000 SH   SOLE   1,190,000 0 0
CELGENE CORP COM 151020104 23,972 239,500 SH   SOLE   239,500 0 0
CERULEAN PHARMA INC COM 15708Q105 1,694 625,000 SH   SOLE   625,000 0 0
CHIASMA INC COM 16706W102 4,511 492,500 SH   SOLE   492,500 0 0
CHINA CORD BLOOD CORP SHS G21107100 5,342 880,000 SH   SOLE   880,000 0 0
CIDARA THERAPEUTICS INC COM 171757107 3,175 250,000 SH   SOLE   250,000 0 0
CIGNA CORPORATION COM 125509109 16,743 122,000 SH   SOLE   122,000 0 0
CLOVIS ONCOLOGY INC COM 189464100 2,400 125,000 SH   SOLE   125,000 0 0
COHERUS BIOSCIENCES INC COM 19249H103 5,987 282,000 SH   SOLE   282,000 0 0
COLLEGIUM PHARMACEUTICAL INC COM 19459J104 20,782 1,145,000 SH   SOLE   1,145,000 0 0
COMPUGEN LTD ORD M25722105 4,576 820,000 SH   SOLE   820,000 0 0
COOPER COS INC COM NEW 216648402 7,329 47,600 SH   SOLE   47,600 0 0
CORVUS PHARMACEUTICALS INC COM 221015100 6,625 456,887 SH   SOLE   456,887 0 0
DBV TECHNOLOGIES S A SPONSORED ADR 23306J101 2,376 73,000 SH   SOLE   73,000 0 0
DERMIRA INC COM 24983L104 5,997 290,000 SH   SOLE   290,000 0 0
DIMENSION THERAPEUTICS INC COM 25433V105 2,125 271,370 SH   SOLE   271,370 0 0
DYNAVAX TECHNOLOGIES CORP COM NEW 268158201 3,175 165,000 SH   SOLE   165,000 0 0
EDWARDS LIFESCIENCES CORP COM 28176E108 6,704 76,000 SH   SOLE   76,000 0 0
EGALET CORP COM 28226B104 2,058 300,000 SH   SOLE   300,000 0 0
ENDOCHOICE HLDGS INC COM 29272U103 3,074 590,000 SH   SOLE   590,000 0 0
ENVISION HEALTHCARE HLDGS IN COM 29413U103 5,426 266,000 SH   SOLE   266,000 0 0
EPIZYME INC COM 29428V104 7,139 589,000 SH   SOLE   589,000 0 0
FIBROGEN INC COM 31572Q808 4,343 204,000 SH   SOLE   204,000 0 0
FIVE PRIME THERAPEUTICS INC COM 33830X104 5,871 144,500 SH   SOLE   144,500 0 0
GALAPAGOS NV SPON ADR 36315X101 8,782 210,000 SH   SOLE   210,000 0 0
GENOCEA BIOSCIENCES INC COM 372427104 3,715 480,000 SH   SOLE   480,000 0 0
GILEAD SCIENCES INC COM 375558103 30,341 330,300 SH   SOLE   330,300 0 0
GLOBAL BLOOD THERAPEUTICS IN COM 37890U108 1,237 78,000 SH   SOLE   78,000 0 0
GW PHARMACEUTICALS PLC ADS 36197T103 10,606 147,000 SH   SOLE   147,000 0 0
HCA HOLDINGS INC COM 40412C101 33,562 430,000 SH   SOLE   430,000 0 0
HEALTHSOUTH CORP COM NEW 421924309 7,827 208,000 SH   SOLE   208,000 0 0
HEARTWARE INTL INC COM 422368100 6,064 193,000 SH   SOLE   193,000 0 0
INCYTE CORP COM 45337C102 9,457 130,500 SH   SOLE   130,500 0 0
INFINITY PHARMACEUTICALS INC COM 45665G303 1,423 270,000 SH   SOLE   270,000 0 0
INOVALON HLDGS INC COM CL A 45781D101 7,914 427,300 SH   SOLE   427,300 0 0
INSMED INC COM PAR $.01 457669307 5,702 450,000 SH   SOLE   450,000 0 0
INSYS THERAPEUTICS INC NEW COM NEW 45824V209 5,844 365,500 SH   SOLE   365,500 0 0
INTERCEPT PHARMACEUTICALS IN COM 45845P108 1,285 10,000 SH   SOLE   10,000 0 0
INTERSECT ENT INC COM 46071F103 6,460 340,000 SH   SOLE   340,000 0 0
INTRA CELLULAR THERAPIES INC COM 46116X101 5,213 187,500 SH   SOLE   187,500 0 0
INTUITIVE SURGICAL INC COM NEW 46120E602 25,244 42,000 SH   SOLE   42,000 0 0
INVITAE CORP COM 46185L103 7,698 752,500 SH   SOLE   752,500 0 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 11,162 85,500 SH   SOLE   85,500 0 0
JUNO THERAPEUTICS INC COM 48205A109 7,504 197,001 SH   SOLE   197,001 0 0
KITE PHARMA INC COM 49803L109 3,673 80,000 SH   SOLE   80,000 0 0
LILLY ELI & CO COM 532457108 19,875 276,000 SH   SOLE   276,000 0 0
MACROGENICS INC COM 556099109 4,219 225,000 SH   SOLE   225,000 0 0
MCKESSON CORP COM 58155Q103 12,187 77,500 SH   SOLE   77,500 0 0
MEDICINES CO COM 584688105 20,079 632,000 SH   SOLE   632,000 0 0
MEDICINES CO NOTE 2.500% 1/1 584688AE5 3,405 3,000,000 PRN   SOLE   3,000,000 0 0
MEDNAX INC COM 58502B106 12,601 195,000 SH   SOLE   195,000 0 0
MIRNA THERAPEUTICS INC COM 60470J103 656 150,000 SH   SOLE   150,000 0 0
NABRIVA THERAPEUTICS AG SPONSORED ADR 62957M104 3,405 380,000 SH   SOLE   380,000 0 0
NEUROCRINE BIOSCIENCES INC COM 64125C109 15,998 404,500 SH   SOLE   404,500 0 0
NIVALIS THERAPEUTICS INC COM 65481J109 2,039 489,000 SH   SOLE   489,000 0 0
NOVADAQ TECHNOLOGIES INC COM 66987G102 6,155 555,000 SH   SOLE   555,000 0 0
NOVAVAX INC COM 670002104 4,399 852,500 SH   SOLE   852,500 0 0
NOVOCURE LTD ORD SHS G6674U108 3,103 214,316 SH   SOLE   214,316 0 0
OPHTHOTECH CORP COM 683745103 2,177 51,500 SH   SOLE   51,500 0 0
OREXIGEN THERAPEUTICS INC COM 686164104 930 1,653,000 SH   SOLE   1,653,000 0 0
OTONOMY INC COM 68906L105 3,581 240,000 SH   SOLE   240,000 0 0
PACIRA PHARMACEUTICALS INC COM 695127100 17,298 326,500 SH   SOLE   326,500 0 0
PARATEK PHARMACEUTICALS INC COM 699374302 3,383 223,000 SH   SOLE   223,000 0 0
PENUMBRA INC COM 70975L107 10,511 228,500 SH   SOLE   228,500 0 0
PERRIGO CO PLC SHS G97822103 3,838 30,000 SH   SOLE   30,000 0 0
PFIZER INC COM 717081103 30,775 1,038,300 SH   SOLE   1,038,300 0 0
PORTOLA PHARMACEUTICALS INC COM 737010108 3,570 175,000 SH   SOLE   175,000 0 0
PORTOLA PHARMACEUTICALS INC COM 737010108 714 35,000 SH Call SOLE   35,000 0 0
PRA HEALTH SCIENCES INC COM 69354M108 10,818 253,000 SH   SOLE   253,000 0 0
PROTEOSTASIS THERAPEUTICS IN COM 74373B109 4,531 470,000 SH   SOLE   470,000 0 0
PROTHENA CORP PLC SHS G72800108 12,677 308,000 SH   SOLE   308,000 0 0
PUMA BIOTECHNOLOGY INC COM 74587V107 925 31,500 SH   SOLE   31,500 0 0
RADIUS HEALTH INC COM NEW 750469207 25,419 808,500 SH   SOLE   808,500 0 0
REGENERON PHARMACEUTICALS COM 75886F107 5,947 16,500 SH   SOLE   16,500 0 0
RETROPHIN INC COM 761299106 7,122 521,400 SH   SOLE   521,400 0 0
RIGEL PHARMACEUTICALS INC COM NEW 766559603 3,045 1,464,050 SH   SOLE   1,464,050 0 0
RTI SURGICAL INC COM 74975N105 7,440 1,860,000 SH   SOLE   1,860,000 0 0
SAREPTA THERAPEUTICS INC COM 803607100 2,557 131,000 SH   SOLE   131,000 0 0
SCYNEXIS INC COM 811292101 2,559 635,000 SH   SOLE   635,000 0 0
SERES THERAPEUTICS INC COM 81750R102 6,959 262,000 SH   SOLE   262,000 0 0
SOPHIRIS BIO INC COM NEW 83578Q209 905 628,563 SH   SOLE   628,563 0 0
SPARK THERAPEUTICS INC COM 84652J103 17,131 580,500 SH   SOLE   580,500 0 0
TANDEM DIABETES CARE INC COM 875372104 4,899 562,500 SH   SOLE   562,500 0 0
TESARO INC COM 881569107 16,709 379,500 SH   SOLE   379,500 0 0
TETRAPHASE PHARMACEUTICALS I COM 88165N105 1,852 400,000 SH   SOLE   400,000 0 0
TEVA PHARMACEUTICAL INDS LTD ADR 881624209 21,136 395,000 SH   SOLE   395,000 0 0
THERAPEUTICSMD INC COM 88338N107 10,080 1,575,000 SH   SOLE   1,575,000 0 0
THERAVANCE BIOPHARMA INC COM G8807B106 12,229 650,500 SH   SOLE   650,500 0 0
THERMO FISHER SCIENTIFIC INC COM 883556102 14,187 100,200 SH   SOLE   100,200 0 0
ULTRAGENYX PHARMACEUTICAL IN COM 90400D108 7,502 118,500 SH   SOLE   118,500 0 0
VALEANT PHARMACEUTICALS INTL COM 91911K102 2,249 85,500 SH   SOLE   85,500 0 0
VERTEX PHARMACEUTICALS INC COM 92532F100 6,669 83,900 SH   SOLE   83,900 0 0
WALGREENS BOOTS ALLIANCE INC COM 931427108 10,404 123,500 SH   SOLE   123,500 0 0
WELLCARE HEALTH PLANS INC COM 94946T106 21,333 230,000 SH   SOLE   230,000 0 0
WRIGHT MED GROUP INC NOTE 2.000% 2/1 98235TAE7 898 1,000,000 PRN   SOLE   1,000,000 0 0
WRIGHT MED GROUP N V ORD SHS 0.03 PAR N96617118 8,134 490,000 SH   SOLE   490,000 0 0
XENOPORT INC COM 98411C100 4,961 1,100,000 SH   SOLE   1,100,000 0 0