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 46,370 837,000 SH   SOLE   837,000 0 0
ACHILLION PHARMACEUTICALS IN COM 00448Q201 10,238 1,312,500 SH   SOLE   1,312,500 0 0
ACLARIS THERAPEUTICS INC COM 00461U105 18,470 1,000,000 SH   SOLE   1,000,000 0 0
ADAPTIMMUNE THERAPEUTICS PLC SPONDS ADR 00653A107 6,235 765,001 SH   SOLE   765,001 0 0
ADURO BIOTECH INC COM 00739L101 4,694 415,000 SH   SOLE   415,000 0 0
ADVANCED ACCELERATOR APPLIC SPONSORED ADS 00790T100 27,846 921,000 SH   SOLE   921,000 0 0
AEGLEA BIOTHERAPEUTICS INC COM 00773J103 2,547 524,089 SH   SOLE   524,089 0 0
AETNA INC NEW COM 00817Y108 53,749 440,100 SH   SOLE   440,100 0 0
AIMMUNE THERAPEUTICS INC COM 00900T107 3,170 293,000 SH   SOLE   293,000 0 0
ALDER BIOPHARMACEUTICALS INC COM 014339105 4,507 180,500 SH   SOLE   180,500 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 27,497 235,500 SH   SOLE   235,500 0 0
ALKERMES PLC SHS G01767105 8,406 194,500 SH   SOLE   194,500 0 0
ALLERGAN PLC SHS G0177J108 41,850 181,100 SH   SOLE   181,100 0 0
ALLERGAN PLC PFD CONV SER A G0177J116 4,164 5,000 SH   SOLE   5,000 0 0
AMERICAN RENAL ASSOCIATES HO COM 029227105 7,243 250,000 SH   SOLE   250,000 0 0
AMGEN INC COM 031162100 14,302 94,000 SH   SOLE   94,000 0 0
AMICUS THERAPEUTICS INC COM 03152W109 3,713 680,000 SH   SOLE   680,000 0 0
ANTHERA PHARMACEUTICALS INC COM NEW 03674U201 1,391 450,000 SH   SOLE   450,000 0 0
ARDELYX INC COM 039697107 11,131 1,275,000 SH   SOLE   1,275,000 0 0
ASCENDIS PHARMA A S SPONSORED ADR 04351P101 3,981 300,000 SH   SOLE   300,000 0 0
ASSEMBLY BIOSCIENCES INC COM 045396108 2,165 390,000 SH   SOLE   390,000 0 0
ATHENAHEALTH INC COM 04685W103 6,314 45,750 SH   SOLE   45,750 0 0
ATYR PHARMA INC COM 002120103 1,205 433,500 SH   SOLE   433,500 0 0
AURIS MED HLDG AG COM H03579101 3,562 850,000 SH   SOLE   850,000 0 0
AVEXIS INC COM 05366U100 5,428 142,758 SH   SOLE   142,758 0 0
BEIGENE LTD SPONSORED ADR 07725L102 6,705 225,000 SH   SOLE   225,000 0 0
BIOGEN INC COM 09062X103 13,941 57,650 SH   SOLE   57,650 0 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 8,791 113,000 SH   SOLE   113,000 0 0
BLUEBIRD BIO INC COM 09609G100 866 20,000 SH   SOLE   20,000 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 14,453 196,500 SH   SOLE   196,500 0 0
CARDIOME PHARMA CORP COM NO PAR 14159U301 6,144 1,200,000 SH   SOLE   1,200,000 0 0
CELGENE CORP COM 151020104 25,101 254,500 SH   SOLE   254,500 0 0
CERNER CORP COM 156782104 1,172 20,000 SH   SOLE   20,000 0 0
CERULEAN PHARMA INC COM 15708Q105 1,325 625,000 SH   SOLE   625,000 0 0
CHIASMA INC COM 16706W102 1,423 492,500 SH   SOLE   492,500 0 0
CHINA CORD BLOOD CORP SHS G21107100 5,060 880,000 SH   SOLE   880,000 0 0
CIDARA THERAPEUTICS INC COM 171757107 2,578 250,000 SH   SOLE   250,000 0 0
CIGNA CORPORATION COM 125509109 26,468 206,800 SH   SOLE   206,800 0 0
CLEARSIDE BIOMEDICAL INC COM 185063104 9,487 1,353,326 SH   SOLE   1,353,326 0 0
CLOVIS ONCOLOGY INC COM 189464100 1,715 125,000 SH   SOLE   125,000 0 0
COHERUS BIOSCIENCES INC COM 19249H103 6,756 400,000 SH   SOLE   400,000 0 0
COLLEGIUM PHARMACEUTICAL INC COM 19459J104 14,398 1,215,000 SH   SOLE   1,215,000 0 0
COMPUGEN LTD ORD M25722105 5,314 820,000 SH   SOLE   820,000 0 0
CORSICANTO LTD NOTE 3.500% 1/1 220480AB3 7,214 7,000,000 PRN   SOLE   7,000,000 0 0
CORVUS PHARMACEUTICALS INC COM 221015100 6,417 450,000 SH   SOLE   450,000 0 0
DBV TECHNOLOGIES S A SPONSORED ADR 23306J101 2,381 73,000 SH   SOLE   73,000 0 0
DERMIRA INC COM 24983L104 10,381 354,900 SH   SOLE   354,900 0 0
DIMENSION THERAPEUTICS INC COM 25433V105 1,628 271,370 SH   SOLE   271,370 0 0
DYNAVAX TECHNOLOGIES CORP COM NEW 268158201 2,406 165,000 SH   SOLE   165,000 0 0
EDWARDS LIFESCIENCES CORP COM 28176E108 8,327 83,500 SH   SOLE   83,500 0 0
EGALET CORP COM 28226B104 1,488 300,000 SH   SOLE   300,000 0 0
EGALET CORP NOTE 5.500% 4/0 28226BAB0 5,923 7,800,000 PRN   SOLE   7,800,000 0 0
ENDOCHOICE HLDGS INC COM 29272U103 3,479 710,000 SH   SOLE   710,000 0 0
ENVISION HEALTHCARE HLDGS IN COM 29413U103 7,383 291,000 SH   SOLE   291,000 0 0
EPIZYME INC COM 29428V104 6,118 597,500 SH   SOLE   597,500 0 0
FIBROGEN INC COM 31572Q808 3,692 225,000 SH   SOLE   225,000 0 0
FIVE PRIME THERAPEUTICS INC COM 33830X104 6,327 153,000 SH   SOLE   153,000 0 0
GALAPAGOS NV SPON ADR 36315X101 11,649 210,000 SH   SOLE   210,000 0 0
GENOCEA BIOSCIENCES INC COM 372427104 1,968 480,000 SH   SOLE   480,000 0 0
GILEAD SCIENCES INC COM 375558103 28,671 343,700 SH   SOLE   343,700 0 0
GLOBAL BLOOD THERAPEUTICS IN COM 37890U108 1,626 98,000 SH   SOLE   98,000 0 0
GW PHARMACEUTICALS PLC ADS 36197T103 24,724 270,000 SH   SOLE   270,000 0 0
HCA HOLDINGS INC COM 40412C101 33,114 430,000 SH   SOLE   430,000 0 0
HEALTHSOUTH CORP COM NEW 421924309 10,287 265,000 SH   SOLE   265,000 0 0
HEARTWARE INTL INC COM 422368100 17,960 311,000 SH   SOLE   311,000 0 0
HILL ROM HLDGS INC COM 431475102 6,054 120,000 SH   SOLE   120,000 0 0
HOLOGIC INC COM 436440101 7,958 230,000 SH   SOLE   230,000 0 0
INCYTE CORP COM 45337C102 12,397 155,000 SH   SOLE   155,000 0 0
INFINITY PHARMACEUTICALS INC COM 45665G303 359 270,000 SH   SOLE   270,000 0 0
INNOVIVA INC COM 45781M101 3,548 336,900 SH   SOLE   336,900 0 0
INOVALON HLDGS INC COM CL A 45781D101 1,878 104,302 SH   SOLE   104,302 0 0
INSMED INC COM PAR $.01 457669307 4,905 497,500 SH   SOLE   497,500 0 0
INSYS THERAPEUTICS INC NEW COM NEW 45824V209 4,730 365,500 SH   SOLE   365,500 0 0
INTERCEPT PHARMACEUTICALS IN COM 45845P108 1,427 10,000 SH   SOLE   10,000 0 0
INTERSECT ENT INC COM 46071F103 4,396 340,000 SH   SOLE   340,000 0 0
INTRA CELLULAR THERAPIES INC COM 46116X101 7,376 190,000 SH   SOLE   190,000 0 0
INTUITIVE SURGICAL INC COM NEW 46120E602 29,102 44,000 SH   SOLE   44,000 0 0
INVITAE CORP COM 46185L103 6,343 858,380 SH   SOLE   858,380 0 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 14,414 102,000 SH   SOLE   102,000 0 0
JUNO THERAPEUTICS INC COM 48205A109 7,573 197,001 SH   SOLE   197,001 0 0
KITE PHARMA INC COM 49803L109 4,000 80,000 SH   SOLE   80,000 0 0
LILLY ELI & CO COM 532457108 21,735 276,000 SH   SOLE   276,000 0 0
MACROGENICS INC COM 556099109 6,073 225,000 SH   SOLE   225,000 0 0
MCKESSON CORP COM 58155Q103 14,540 77,900 SH   SOLE   77,900 0 0
MEDICINES CO COM 584688105 22,885 680,500 SH   SOLE   680,500 0 0
MEDICINES CO NOTE 2.500% 1/1 584688AE5 3,549 3,000,000 PRN   SOLE   3,000,000 0 0
MEDNAX INC COM 58502B106 14,124 195,000 SH   SOLE   195,000 0 0
MERUS N V COM N5749R100 2,883 360,811 SH   SOLE   360,811 0 0
MIRNA THERAPEUTICS INC COM 60470J103 639 150,000 SH   SOLE   150,000 0 0
NABRIVA THERAPEUTICS AG SPONSORED ADR 62957M104 3,195 426,000 SH   SOLE   426,000 0 0
NEUROCRINE BIOSCIENCES INC COM 64125C109 18,612 409,500 SH   SOLE   409,500 0 0
NIVALIS THERAPEUTICS INC COM 65481J109 2,249 489,000 SH   SOLE   489,000 0 0
NOVADAQ TECHNOLOGIES INC COM 66987G102 5,461 555,000 SH   SOLE   555,000 0 0
NOVAVAX INC COM 670002104 6,198 852,500 SH   SOLE   852,500 0 0
NOVOCURE LTD ORD SHS G6674U108 2,501 214,316 SH   SOLE   214,316 0 0
OPHTHOTECH CORP COM 683745103 7,272 142,500 SH   SOLE   142,500 0 0
OREXIGEN THERAPEUTICS INC COM 686164104 711 1,653,000 SH   SOLE   1,653,000 0 0
OTONOMY INC COM 68906L105 3,811 240,000 SH   SOLE   240,000 0 0
PACIRA PHARMACEUTICALS INC COM 695127100 15,937 472,500 SH   SOLE   472,500 0 0
PARATEK PHARMACEUTICALS INC COM 699374302 5,821 418,500 SH   SOLE   418,500 0 0
PENUMBRA INC COM 70975L107 14,429 242,500 SH   SOLE   242,500 0 0
PERRIGO CO PLC SHS G97822103 3,436 37,900 SH   SOLE   37,900 0 0
PFIZER INC COM 717081103 37,175 1,055,800 SH   SOLE   1,055,800 0 0
PORTOLA PHARMACEUTICALS INC COM 737010108 4,130 175,000 SH   SOLE   175,000 0 0
PRA HEALTH SCIENCES INC COM 69354M108 10,565 253,000 SH   SOLE   253,000 0 0
PROTEOSTASIS THERAPEUTICS IN COM 74373B109 5,034 415,000 SH   SOLE   415,000 0 0
PROTHENA CORP PLC SHS G72800108 10,768 308,000 SH   SOLE   308,000 0 0
PUMA BIOTECHNOLOGY INC COM 74587V107 983 33,000 SH   SOLE   33,000 0 0
RADIUS HEALTH INC COM NEW 750469207 31,881 867,500 SH   SOLE   867,500 0 0
REGENERON PHARMACEUTICALS COM 75886F107 5,937 17,000 SH   SOLE   17,000 0 0
RELYPSA INC COM 759531106 1,388 75,000 SH   SOLE   75,000 0 0
RETROPHIN INC COM 761299106 9,286 521,400 SH   SOLE   521,400 0 0
RIGEL PHARMACEUTICALS INC COM NEW 766559603 3,903 1,750,000 SH   SOLE   1,750,000 0 0
RTI SURGICAL INC COM 74975N105 6,677 1,860,000 SH   SOLE   1,860,000 0 0
SAREPTA THERAPEUTICS INC COM 803607100 2,498 131,000 SH   SOLE   131,000 0 0
SCYNEXIS INC COM 811292101 1,378 635,000 SH   SOLE   635,000 0 0
SERES THERAPEUTICS INC COM 81750R102 7,611 262,000 SH   SOLE   262,000 0 0
SHIRE PLC SPONSORED ADR 82481R106 22,097 120,042 SH   SOLE   120,042 0 0
SOPHIRIS BIO INC COM NEW 83578Q209 1,054 490,000 SH   SOLE   490,000 0 0
SPARK THERAPEUTICS INC COM 84652J103 31,189 610,000 SH   SOLE   610,000 0 0
STERIS PLC SHS USD G84720104 2,750 40,000 SH   SOLE   40,000 0 0
TANDEM DIABETES CARE INC COM 875372104 4,486 595,000 SH   SOLE   595,000 0 0
TESARO INC COM 881569107 40,344 480,000 SH   SOLE   480,000 0 0
TESARO INC COM 881569107 3,362 40,000 SH Call SOLE   40,000 0 0
TETRAPHASE PHARMACEUTICALS I COM 88165N105 1,828 425,000 SH   SOLE   425,000 0 0
TEVA PHARMACEUTICAL INDS LTD ADR 881624209 19,841 395,000 SH   SOLE   395,000 0 0
THERAPEUTICSMD INC COM 88338N107 13,388 1,575,000 SH   SOLE   1,575,000 0 0
THERAVANCE BIOPHARMA INC COM G8807B106 15,883 700,000 SH   SOLE   700,000 0 0
THERMO FISHER SCIENTIFIC INC COM 883556102 14,806 100,200 SH   SOLE   100,200 0 0
ULTRAGENYX PHARMACEUTICAL IN COM 90400D108 6,921 141,500 SH   SOLE   141,500 0 0
VALEANT PHARMACEUTICALS INTL COM 91911K102 1,331 66,100 SH   SOLE   66,100 0 0
VERTEX PHARMACEUTICALS INC COM 92532F100 7,355 85,500 SH   SOLE   85,500 0 0
WALGREENS BOOTS ALLIANCE INC COM 931427108 13,357 160,400 SH   SOLE   160,400 0 0
WELLCARE HEALTH PLANS INC COM 94946T106 25,157 234,500 SH   SOLE   234,500 0 0
WRIGHT MED GROUP INC NOTE 2.000% 2/1 98235TAE7 919 1,000,000 PRN   SOLE   1,000,000 0 0
WRIGHT MED GROUP N V ORD SHS 0.03 PAR N96617118 9,517 547,900 SH   SOLE   547,900 0 0
XENOPORT INC COM 98411C100 8,413 1,195,000 SH   SOLE   1,195,000 0 0