PERCEPTIVE ADVISORS LLC Quant / Systematic

Location: New York, NY

CIK: 0001224962 · Show all filings

Period: Q4 2014 (← Previous) (Next →)

Filing Date: Feb 17, 2015

Total Value: $1.192B (99.3% shares, 0.7% debt)

Holdings (150)

FOLD AMICUS THERAPEUTICS INC 10.1%
Value $120M Shares 14,439,444 Est. Cost $3.01 Unrealized +127.7%
NBIX NEUROCRINE BIOSCIENCES INC 6.7%
Value $79.65M Shares 3,565,267 Est. Cost $12.74 Unrealized +48.7%
ACELRX PHARMACEUTICALS INC 3.7%
Value $44.24M Shares 6,574,060 Est. Cost $9.69 Unrealized
SRPT SAREPTA THERAPEUTICS INC 3.4%
Value $40.7M Shares 2,812,352 Est. Cost $33.05 Unrealized -48.8%
RELYPSA INC 3.2%
Value $38.17M Shares 1,239,142 Est. Cost $26.48 Unrealized
NBIX NEUROCRINE BIOSCIENCES INC 3.0%
Value $35.74M Shares 1,600,000 Est. Cost $12.74 Unrealized +48.7%
RECEPTOS INC 3.0%
Value $35.7M Shares 291,394 Est. Cost $49.28 Unrealized
PTCT PTC THERAPEUTICS INC 2.9%
Value $34.78M Shares 671,736 Est. Cost $26.87 Unrealized +63.8%
ACAD ACADIA PHARMACEUTICALS INC 2.9%
Value $34.71M Shares 1,093,281 Est. Cost $24.52 Unrealized +15.6%
TESARO INC 2.8%
Value $32.85M Shares 883,359 Est. Cost $34.85 Unrealized
XNCR XENCOR INC 2.6%
Value $30.91M Shares 1,927,171 Est. Cost $8.89 Unrealized +30.5%
DYAX CORP 2.2%
Value $26.04M Shares 1,852,000 Est. Cost $7.87 Unrealized
LION BIOSCIENCES 2.1%
Value $25.3M Shares 3,214,549 Est. Cost $9.29 Unrealized
BELLICUM PHARMACEUTICALS INC 2.0%
Value $24.11M Shares 1,046,402 Est. Cost $23.04 Unrealized
RETROPHIN INC 2.0%
Value $23.75M Shares 1,940,725 Est. Cost $9.19 Unrealized
TARO PHARMACEUTICAL INDS LTD 1.9%
Value $22.82M Shares 154,028 Est. Cost $130.22 Unrealized
BLUEBIRD BIO INC 1.7%
Value $20.64M Shares 225,000 Est. Cost $91.72 Unrealized
VERSARTIS INC 1.7%
Value $19.74M Shares 931,171 Est. Cost $23.79 Unrealized
OPHTHOTECH CORP 1.6%
Value $19.27M Shares 429,386 Est. Cost $37.70 Unrealized
ANIP ANI PHARMACEUTICALS INC 1.5%
Value $17.62M Shares 312,500 Est. Cost $44.09 Unrealized 0.0%
ALLERGAN INC 1.5%
Value $17.56M Shares 82,583 Est. Cost $186.33 Unrealized
ZBH ZIMMER HLDGS INC 1.5%
Value $17.48M Shares 154,093 Est. Cost $88.71 Unrealized +8.5%
CELGENE CORP 1.4%
Value $16.39M Shares 146,567 Est. Cost $112.47 Unrealized
OTONOMY INC 1.3%
Value $15.14M Shares 454,306 Est. Cost $24.00 Unrealized
VRTX VERTEX PHARMACEUTICALS INC 1.1%
Value $13.07M Shares 110,000 Est. Cost $73.30 Unrealized +53.7%
NEPTUNE TECHNOLOGIES BIORESO 1.1%
Value $12.82M Shares 6,750,444 Est. Cost $3.13 Unrealized
THORATEC CORP 1.1%
Value $12.74M Shares 392,465 Est. Cost $30.31 Unrealized
ACCELERON PHARMA INC 1.0%
Value $12.38M Shares 317,636 Est. Cost $32.75 Unrealized
ESPR ESPERION THERAPEUTICS INC NE 1.0%
Value $12.23M Shares 302,500 Est. Cost $30.61 Unrealized 0.0%
SGMO SANGAMO BIOSCIENCES INC 1.0%
Value $12.17M Shares 800,000 Est. Cost $19.28 Unrealized -37.0%
VRTX VERTEX PHARMACEUTICALS INC 1.0%
Value $11.88M Shares 100,000 Est. Cost $73.30 Unrealized +53.7%
BDX BECTON DICKINSON & CO 0.9%
Value $11.13M Shares 80,000 Est. Cost $107.84 Unrealized 0.0%
INSM INSMED INC 0.9%
Value $10.61M Shares 685,812 Est. Cost $15.42 Unrealized -8.0%
VNDA VANDA PHARMACEUTICALS INC 0.7%
Value $8.592M Shares 600,000 Est. Cost Unrealized
ZAFGEN INC 0.7%
Value $8.583M Shares 278,313 Est. Cost $19.78 Unrealized
QUOTIENT LTD 0.7%
Value $8.169M Shares 453,870 Est. Cost $12.38 Unrealized
EPIZYME INC 0.7%
Value $8.164M Shares 432,619 Est. Cost $23.85 Unrealized
ANI PHARMACEUTICALS INC 0.7%
Value $7.885M Shares 7,500,000 Est. Cost $1.05 Unrealized
MGNX MACROGENICS INC 0.6%
Value $7.569M Shares 215,815 Est. Cost $26.16 Unrealized -4.7%
BIODELIVERY SCIENCES INTL IN 0.6%
Value $7.277M Shares 605,407 Est. Cost $11.55 Unrealized
TOKAI PHARMACEUTICALS INC 0.6%
Value $7.154M Shares 485,338 Est. Cost $14.89 Unrealized
CHRS COHERUS BIOSCIENCES INC 0.6%
Value $7.148M Shares 438,000 Est. Cost $14.11 Unrealized 0.0%
NEVRO CORP 0.6%
Value $6.828M Shares 176,563 Est. Cost $38.67 Unrealized
HRTX HERON THERAPEUTICS INC 0.6%
Value $6.7M Shares 666,042 Est. Cost $12.60 Unrealized -35.2%
SRPT Sarepta Therapeutics Inc 0.5%
Value $6.512M Shares 450,000 Est. Cost $33.05 Unrealized -48.8%
APPLIED GENETIC TECHNOL CORP 0.5%
Value $6.332M Shares 301,222 Est. Cost $20.83 Unrealized
AFFIMED N V 0.5%
Value $6.236M Shares 1,005,820 Est. Cost $63.01 Unrealized
CAPITAL SR LIVING CORP 0.5%
Value $6.228M Shares 250,000 Est. Cost $24.91 Unrealized
TRANSENTERIX INC 0.5%
Value $6.099M Shares 2,095,708 Est. Cost $4.24 Unrealized
ALLIQUA BIOMEDIC 0.5%
Value $5.946M Shares 1,121,951 Est. Cost $5.30 Unrealized
CEMPRA INC 0.5%
Value $5.819M Shares 247,500 Est. Cost $23.51 Unrealized
LA JOLLA PHARMACEUTICAL CO 0.4%
Value $5.331M Shares 288,955 Est. Cost $10.80 Unrealized
PRTA PROTHENA CORP PLC 0.4%
Value $5.135M Shares 247,336 Est. Cost $30.24 Unrealized -31.0%
CHINA BIOLOGIC PRODS INC 0.4%
Value $4.977M Shares 74,023 Est. Cost $66.50 Unrealized
NEURODERM LTD 0.4%
Value $4.914M Shares 350,000 Est. Cost $14.04 Unrealized
ARDX ARDELYX INC 0.4%
Value $4.831M Shares 255,728 Est. Cost $17.95 Unrealized +29.0%
XENE XENON PHARMACEUTICALS INC 0.4%
Value $4.444M Shares 225,000 Est. Cost $14.68 Unrealized 0.0%
PLASMATECH BIOPHARMACEUTICAL 0.4%
Value $4.375M Shares 1,250,000 Est. Cost $3.50 Unrealized
MYLAN INC 0.4%
Value $4.296M Shares 76,210 Est. Cost $45.98 Unrealized
FIVE PRIME THERAPEUTICS INC 0.4%
Value $4.192M Shares 155,256 Est. Cost $17.46 Unrealized
QUIDEL CORP 0.3%
Value $4.121M Shares 142,500 Est. Cost $28.92 Unrealized
TETRAPHASE PHARMACEUTICALS I 0.3%
Value $3.971M Shares 100,000 Est. Cost $39.71 Unrealized
ACTAVIS PLC 0.3%
Value $3.884M Shares 15,088 Est. Cost $241.27 Unrealized
THC TENET HEALTHCARE CORP 0.3%
Value $3.847M Shares 75,913 Est. Cost $55.41 Unrealized -5.7%
ALERE INC 0.3%
Value $3.724M Shares 98,000 Est. Cost $38.00 Unrealized
FLAMEL TECHNOLOGIES SA 0.3%
Value $3.678M Shares 644,111 Est. Cost $12.99 Unrealized
HCA HCA HOLDINGS INC 0.3%
Value $3.57M Shares 48,639 Est. Cost $48.98 Unrealized +33.4%
THORATEC CORP 0.3%
Value $3.246M Shares 100,000 Est. Cost $30.31 Unrealized
ENDOLOGIX INC 0.3%
Value $3.211M Shares 210,000 Est. Cost $15.29 Unrealized
DBV TECHNOLOGIES S A 0.3%
Value $3.054M Shares 112,622 Est. Cost $27.12 Unrealized
PFENEX INC 0.2%
Value $2.962M Shares 404,665 Est. Cost $7.36 Unrealized
VASCULAR BIOGENICS LTD 0.2%
Value $2.955M Shares 500,000 Est. Cost $5.91 Unrealized
DERMA SCIENCES INC 0.2%
Value $2.919M Shares 313,583 Est. Cost $11.63 Unrealized
QURE UNIQURE NV 0.2%
Value $2.901M Shares 195,856 Est. Cost $12.24 Unrealized 0.0%
PROTEON THERAPEUTICS INC 0.2%
Value $2.86M Shares 275,000 Est. Cost $10.40 Unrealized
KERYX BIOPHARMACEUTICALS 0.2%
Value $2.83M Shares 200,000 Est. Cost Unrealized
DERMIRA INC 0.2%
Value $2.753M Shares 152,000 Est. Cost $18.11 Unrealized
ARNI ARNO THERAPEUTICS, INC 0.2%
Value $2.746M Shares 2,034,721 Est. Cost $1.49 Unrealized -41.5%
JUNO THERAPEUTICS INC 0.2%
Value $2.611M Shares 50,000 Est. Cost $52.22 Unrealized
MEDGENICS INC 0.2%
Value $2.602M Shares 514,224 Est. Cost $4.93 Unrealized
VCEL VERICEL CORP 0.2%
Value $2.584M Shares 850,000 Est. Cost $2.85 Unrealized 0.0%
SAGE THERAPEUTICS INC 0.2%
Value $2.58M Shares 70,484 Est. Cost $31.50 Unrealized
SNN SMITH & NEPHEW PLC 0.2%
Value $2.477M Shares 67,407 Est. Cost $46.85 Unrealized
GENVEC INC 0.2%
Value $2.226M Shares 1,040,344 Est. Cost $2.54 Unrealized
PRQR PROQR THRAPEUTICS N V 0.2%
Value $2.167M Shares 100,000 Est. Cost $16.02 Unrealized -5.3%
MGC DIAGNOSTICS CORP 0.2%
Value $2.152M Shares 336,287 Est. Cost $8.55 Unrealized
SHIRE PLC 0.2%
Value $2.125M Shares 10,000 Est. Cost $212.50 Unrealized
ALIMERA SCIENCES INC 0.2%
Value $2.115M Shares 381,900 Est. Cost $5.54 Unrealized
RGEN REPLIGEN CORP 0.2%
Value $1.98M Shares 100,000 Est. Cost Unrealized
ABIOMED INC 0.2%
Value $1.903M Shares 50,000 Est. Cost $24.84 Unrealized
CELLDEX THERAPEUTICS INC NEW 0.2%
Value $1.825M Shares 100,000 Est. Cost $18.25 Unrealized
AGENUS INC 0.1%
Value $1.599M Shares 402,717 Est. Cost $3.97 Unrealized
UROPLASTY INC 0.1%
Value $1.579M Shares 766,349 Est. Cost $2.64 Unrealized
WALGREENS BOOTS ALLIANCE INC 0.1%
Value $1.546M Shares 20,292 Est. Cost $76.19 Unrealized
VNDA VANDA PHARMACEUTICALS INC 0.1%
Value $1.432M Shares 100,000 Est. Cost Unrealized
SYNERON MEDICAL LTD 0.1%
Value $1.424M Shares 152,609 Est. Cost $11.84 Unrealized
ACHILLION PHARMACEUTICALS IN 0.1%
Value $1.3M Shares 106,100 Est. Cost $7.57 Unrealized
PSIVIDA CORP 0.1%
Value $1.294M Shares 315,000 Est. Cost $4.11 Unrealized
ACASTI PHARMA INC 0.1%
Value $1.286M Shares 2,573,645 Est. Cost $1.23 Unrealized
SUNESIS PHARMACEUTICALS INC 0.1%
Value $1.275M Shares 500,000 Est. Cost $2.55 Unrealized
MANNKIND CORP 0.1%
Value $1.043M Shares 200,000 Est. Cost Unrealized
PLASMATECH BIOPHARMACEUTICAL 0.1%
Value $1M Shares 1,250,000 Est. Cost $0.80 Unrealized
AQUINOX PHARMACEUTICALS INC 0.1%
Value $975K Shares 130,000 Est. Cost $12.73 Unrealized
PARNEUR PARNELL PHARMACEUT HLDGS LTD 0.1%
Value $888K Shares 214,100 Est. Cost $5.72 Unrealized
CHAMPIONS ONCOLOGY 0.1%
Value $812K Shares 1,625,744 Est. Cost $0.74 Unrealized
ANTHERA PHARMACEUTICALS INC 0.1%
Value $795K Shares 503,156 Est. Cost $1.90 Unrealized
ACHAOGEN INC 0.1%
Value $783K Shares 60,000 Est. Cost $15.47 Unrealized
DURECT CORP 0.1%
Value $716K Shares 907,064 Est. Cost $1.33 Unrealized
PORTOLA PHARMACEUTICALS INC 0.1%
Value $708K Shares 25,000 Est. Cost $28.32 Unrealized
HEALTH INS INNOVATIONS INC 0.1%
Value $687K Shares 96,000 Est. Cost $12.14 Unrealized
SIENTRA INC 0.1%
Value $621K Shares 37,000 Est. Cost $16.78 Unrealized
ONCOTHYREON INC 0.1%
Value $618K Shares 325,000 Est. Cost $2.10 Unrealized
SPECTRANETICS CORP 0.0%
Value $565K Shares 16,335 Est. Cost $22.19 Unrealized
THRESHOLD PHARMACEUTICAL INC 0.0%
Value $509K Shares 160,000 Est. Cost $3.61 Unrealized
GALMED PHARMACEUTICALS LTD 0.0%
Value $435K Shares 75,000 Est. Cost $11.47 Unrealized
RITE AID CORP 0.0%
Value $318K Shares 42,385 Est. Cost $7.50 Unrealized
LHC GROUP INC 0.0%
Value $302K Shares 9,688 Est. Cost $31.17 Unrealized
GALENA BIOPHARMA INC 0.0%
Value $302K Shares 200,000 Est. Cost Unrealized
MERGE HEALTHCARE INC 0.0%
Value $293K Shares 82,427 Est. Cost $2.88 Unrealized
CLOVIS ONCOLOGY INC 0.0%
Value $288K Shares 5,138 Est. Cost $53.54 Unrealized
NANOSPHERE INC 0.0%
Value $277K Shares 707,566 Est. Cost $0.39 Unrealized
HEALTH NET INC 0.0%
Value $269K Shares 5,025 Est. Cost $53.53 Unrealized
SKILLED HEALTHCARE GROUP INC 0.0%
Value $268K Shares 31,293 Est. Cost $8.56 Unrealized
SCICLONE PHARMACEUTICALS INC 0.0%
Value $262K Shares 29,942 Est. Cost $7.74 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 0.0%
Value $259K Shares 15,323 Est. Cost $14.56 Unrealized 0.0%
SURGICAL CARE AFFILIATES INC 0.0%
Value $259K Shares 7,702 Est. Cost $33.63 Unrealized
CNC CENTENE CORP DEL 0.0%
Value $258K Shares 2,484 Est. Cost $19.96 Unrealized +16.9%
TRIPLE-S MGMT CORP 0.0%
Value $254K Shares 10,605 Est. Cost $20.57 Unrealized
TRANSGENOMIC INC 0.0%
Value $253K Shares 126,084 Est. Cost $4.58 Unrealized
CYBERONICS INC 0.0%
Value $248K Shares 4,454 Est. Cost $55.68 Unrealized
UHS UNIVERSAL HLTH SVCS INC 0.0%
Value $248K Shares 2,233 Est. Cost $91.46 Unrealized +9.7%
CAMBREX CORP 0.0%
Value $248K Shares 11,488 Est. Cost $21.59 Unrealized
EXACTECH INC 0.0%
Value $245K Shares 10,374 Est. Cost $24.35 Unrealized
PAHC PHIBRO ANIMAL HEALTH CORP 0.0%
Value $237K Shares 7,526 Est. Cost $27.66 Unrealized 0.0%
BIOSPECIFICS TECHNOLOGIES CO 0.0%
Value $234K Shares 6,065 Est. Cost $38.58 Unrealized
PDL BIOPHARMA INC 0.0%
Value $232K Shares 30,151 Est. Cost $8.38 Unrealized
CIVITAS SOLUTIONS INC 0.0%
Value $231K Shares 13,585 Est. Cost $17.00 Unrealized
AETNA INC NEW 0.0%
Value $230K Shares 2,586 Est. Cost $84.96 Unrealized
BARD C R INC 0.0%
Value $228K Shares 1,367 Est. Cost $166.79 Unrealized
CIGNA CORPORATION 0.0%
Value $228K Shares 2,219 Est. Cost $102.75 Unrealized
PAREXEL INTL CORP 0.0%
Value $223K Shares 4,005 Est. Cost $55.68 Unrealized
USPH U S PHYSICAL THERAPY INC 0.0%
Value $216K Shares 5,156 Est. Cost $39.35 Unrealized 0.0%
OXIGENE INC 0.0%
Value $199K Shares 123,518 Est. Cost $3.73 Unrealized
SEM SELECT MED HLDGS CORP 0.0%
Value $192K Shares 13,365 Est. Cost $6.87 Unrealized -3.3%
LANNET INC 0.0%
Value $188K Shares 4,392 Est. Cost $45.68 Unrealized
SUPN SUPERNUS PHARMACEUTICALS INC 0.0%
Value $185K Shares 22,285 Est. Cost $8.40 Unrealized 0.0%
OHR PHARMACEUTICAL INC 0.0%
Value $50,000 Shares 6,000 Est. Cost $8.33 Unrealized
SEATTLE GENETICS INC /WA 0.0%
Value $29,000 Shares 900 Est. Cost Unrealized
CELLULAR DYNAMICS INTL INC 0.0%
Value $1,000 Shares 164 Est. Cost $6.10 Unrealized
XOMA LTD 0.0%
Value $1,000 Shares 200 Est. Cost Unrealized