ARDSLEY ADVISORY PARTNERS LP Hedge Fund

Location: Norwalk, CT

CIK: 0000900529 · Show all filings

Period: Q4 2013 (← Previous) (Next →)

Filing Date: Feb 12, 2014

Total Value: $753M (100.0% shares, 0.0% debt)

Holdings (161)

IWM ISHARES 16.9%
Value $127M Shares 1,100,000 Est. Cost Unrealized
JAZZ JAZZ PHARMACEUTICALS PLC 5.9%
Value $44.74M Shares 353,500 Est. Cost $61.12 Unrealized +69.3%
CSIQ CANADIAN SOLAR INC 5.6%
Value $42.49M Shares 1,425,000 Est. Cost $9.01 Unrealized +193.6%
SUNEDISON INC 5.3%
Value $40.13M Shares 3,075,000 Est. Cost $8.37 Unrealized
URI UNITED RENTALS INC 5.2%
Value $38.98M Shares 500,000 Est. Cost $52.12 Unrealized +24.5%
CREE INC 3.9%
Value $29.7M Shares 475,000 Est. Cost $62.03 Unrealized
CONCHO RES INC 3.0%
Value $22.68M Shares 210,000 Est. Cost $108.48 Unrealized
ESINQ ITT EDUCATIONAL SERVICES INC 2.7%
Value $20.15M Shares 600,000 Est. Cost $30.44 Unrealized +17.9%
TBT PROSHARES TR 2.6%
Value $19.8M Shares 250,000 Est. Cost $79.20 Unrealized
CONSTELLIUM HOLDCO B V 2.6%
Value $19.71M Shares 846,900 Est. Cost $22.88 Unrealized
ARTHROCARE CORP 2.5%
Value $18.91M Shares 470,000 Est. Cost $35.28 Unrealized
LYB LYONDELLBASELL INDUSTRIES N 2.0%
Value $15.25M Shares 190,000 Est. Cost $33.34 Unrealized +23.1%
AMERICAN RLTY CAP PPTYS INC 2.0%
Value $14.78M Shares 1,150,000 Est. Cost $12.85 Unrealized
HASI HANNON ARMSTRONG SUST INFR C 1.8%
Value $13.61M Shares 975,000 Est. Cost $5.93 Unrealized +5.7%
HOME INNS & HOTELS MGMT INC 1.6%
Value $12.35M Shares 283,000 Est. Cost $39.01 Unrealized
SUPN SUPERNUS PHARMACEUTICALS INC 1.4%
Value $10.63M Shares 1,410,000 Est. Cost $6.99 Unrealized 0.0%
C CITIGROUP INC 1.4%
Value $10.42M Shares 200,000 Est. Cost $37.66 Unrealized 0.0%
NMIH NMI HLDGS INC 1.4%
Value $10.18M Shares 800,000 Est. Cost $13.30 Unrealized 0.0%
SUNEDISON INC 1.3%
Value $9.788M Shares 750,000 Est. Cost $8.37 Unrealized
GROUPON INC 1.2%
Value $8.941M Shares 760,000 Est. Cost $11.30 Unrealized
ENTEROMEDICS INC 1.2%
Value $8.772M Shares 4,300,000 Est. Cost $1.26 Unrealized
BLUCORA INC 1.2%
Value $8.748M Shares 300,000 Est. Cost $29.16 Unrealized
CELLDEX THERAPEUTICS INC NEW 1.1%
Value $8.643M Shares 357,000 Est. Cost $17.83 Unrealized
AMERICAN RESIDENTIAL PPTYS I 1.1%
Value $8.58M Shares 500,000 Est. Cost $17.34 Unrealized
GILD GILEAD SCIENCES INC 1.1%
Value $8.449M Shares 112,500 Est. Cost $48.38 Unrealized 0.0%
CRM SALESFORCE COM INC 1.1%
Value $8.279M Shares 150,000 Est. Cost $44.85 Unrealized +17.8%
MU MICRON TECHNOLOGY INC 1.1%
Value $8.156M Shares 375,000 Est. Cost $14.15 Unrealized +34.1%
LEN LENNAR CORP 1.1%
Value $7.912M Shares 200,000 Est. Cost $30.45 Unrealized 0.0%
PHYSICIANS RLTY TR 1.0%
Value $7.835M Shares 615,000 Est. Cost $12.50 Unrealized
ASHR DBX ETF TR 1.0%
Value $7.398M Shares 300,000 Est. Cost $24.66 Unrealized
PHM PULTE GROUP INC 0.9%
Value $6.62M Shares 325,000 Est. Cost $15.23 Unrealized 0.0%
PFE PFIZER INC 0.9%
Value $6.585M Shares 215,000 Est. Cost $16.46 Unrealized +7.1%
U S SILICA HLDGS INC 0.8%
Value $6.31M Shares 185,000 Est. Cost $34.11 Unrealized
SPANSION INC 0.8%
Value $6.251M Shares 450,000 Est. Cost $13.76 Unrealized
BYD BOYD GAMING CORP 0.7%
Value $5.63M Shares 500,000 Est. Cost $11.51 Unrealized -3.7%
CTRA CABOT OIL & GAS CORP 0.7%
Value $5.426M Shares 140,000 Est. Cost $25.81 Unrealized 0.0%
AMH AMERICAN HOMES 4 RENT 0.6%
Value $4.86M Shares 300,000 Est. Cost $16.20 Unrealized
WESTPORT INNOVATIONS INC 0.5%
Value $3.922M Shares 200,000 Est. Cost $19.61 Unrealized
ENERNOC INC 0.5%
Value $3.614M Shares 210,000 Est. Cost $15.14 Unrealized
WORLD ENERGY SOLUTIONS INC D 0.5%
Value $3.54M Shares 832,995 Est. Cost $4.05 Unrealized
ESINQ ITT EDUCATIONAL SERVICES INC 0.4%
Value $3.358M Shares 100,000 Est. Cost $30.44 Unrealized +17.9%
GTLS CHART INDS INC 0.4%
Value $3.347M Shares 35,000 Est. Cost $105.20 Unrealized 0.0%
PREFERRED APT CMNTYS INC 0.4%
Value $3.296M Shares 410,000 Est. Cost $8.04 Unrealized
CSIQ CANADIAN SOLAR INC 0.4%
Value $2.982M Shares 100,000 Est. Cost $9.01 Unrealized +193.6%
LIVEPERSON INC 0.4%
Value $2.89M Shares 195,000 Est. Cost $14.82 Unrealized
CECO CECO ENVIRONMENTAL CORP 0.4%
Value $2.778M Shares 172,000 Est. Cost $13.23 Unrealized +10.4%
COVANTA HLDG CORP 0.4%
Value $2.663M Shares 150,000 Est. Cost $17.75 Unrealized
ARUBA NETWORKS INC 0.3%
Value $2.238M Shares 125,000 Est. Cost $17.90 Unrealized
SHORETEL INC 0.3%
Value $2.181M Shares 235,000 Est. Cost $9.28 Unrealized
BERRY PLASTICS GROUP INC 0.3%
Value $2.141M Shares 90,000 Est. Cost $22.07 Unrealized
SENSATA TECHNOLOGIES HLDG BV 0.3%
Value $1.939M Shares 50,000 Est. Cost $38.78 Unrealized
NAVISTAR INTL CORP 0.3%
Value $1.91M Shares 50,000 Est. Cost Unrealized
IRT INDEPENDENCE RLTY TR INC 0.2%
Value $1.668M Shares 200,000 Est. Cost $8.25 Unrealized
PWR QUANTA SVCS INC 0.2%
Value $1.578M Shares 50,000 Est. Cost $27.55 Unrealized +4.6%
CREE INC 0.2%
Value $1.563M Shares 25,000 Est. Cost $62.03 Unrealized
VOXELJET AG 0.2%
Value $1.382M Shares 35,000 Est. Cost $39.49 Unrealized
STKL SUNOPTA INC 0.2%
Value $1.33M Shares 132,900 Est. Cost $7.73 Unrealized +24.6%
CWST CASELLA WASTE SYS INC 0.2%
Value $1.314M Shares 226,609 Est. Cost $4.11 Unrealized +41.3%
HEWLETT PACKARD CO 0.2%
Value $1.259M Shares 45,000 Est. Cost $27.98 Unrealized
AMRC AMERESCO INC 0.2%
Value $1.189M Shares 123,100 Est. Cost $8.20 Unrealized +16.8%
GOOGLE INC 0.1%
Value $1.121M Shares 1,000 Est. Cost $1121.00 Unrealized
CHINA MING YANG WIND PWR GRO 0.1%
Value $1.103M Shares 450,000 Est. Cost $2.21 Unrealized
JUST ENERGY GROUP INC 0.1%
Value $1.073M Shares 150,000 Est. Cost $7.15 Unrealized
PATTERN ENERGY GROUP INC 0.1%
Value $1.061M Shares 35,000 Est. Cost $30.31 Unrealized
VECO VEECO INSTRS INC DEL 0.1%
Value $987K Shares 30,000 Est. Cost $32.34 Unrealized 0.0%
SUNGY MOBILE LTD 0.1%
Value $985K Shares 48,000 Est. Cost $20.52 Unrealized
POLYPORE INTL INC 0.1%
Value $973K Shares 25,000 Est. Cost $40.52 Unrealized
MEADWESTVACO CORP 0.1%
Value $923K Shares 25,000 Est. Cost $36.92 Unrealized
CHINA LODGING GROUP LTD 0.1%
Value $914K Shares 30,000 Est. Cost $26.26 Unrealized
GLOBE SPECIALTY METALS INC 0.1%
Value $901K Shares 50,000 Est. Cost $16.71 Unrealized
MARRONE BIO INNOVATIONS INC 0.1%
Value $889K Shares 50,000 Est. Cost $16.86 Unrealized
NEW ORIENTAL ED & TECH GRP I 0.1%
Value $882K Shares 28,000 Est. Cost $31.50 Unrealized
TRMB TRIMBLE NAVIGATION LTD 0.1%
Value $868K Shares 25,000 Est. Cost $31.53 Unrealized 0.0%
POWERSECURE INTL INC 0.1%
Value $859K Shares 50,000 Est. Cost $17.18 Unrealized
JBLU JETBLUE AIRWAYS CORP 0.1%
Value $854K Shares 100,000 Est. Cost $6.46 Unrealized +22.9%
MTZ MASTEC INC 0.1%
Value $818K Shares 25,000 Est. Cost $31.66 Unrealized 0.0%
PAREXEL INTL CORP 0.1%
Value $768K Shares 17,000 Est. Cost $45.18 Unrealized
CELGENE CORP 0.1%
Value $760K Shares 4,500 Est. Cost $168.89 Unrealized
ENS ENERSYS 0.1%
Value $701K Shares 10,000 Est. Cost $43.44 Unrealized +37.1%
WUXI PHARMATECH CAYMAN INC 0.1%
Value $652K Shares 17,000 Est. Cost $38.35 Unrealized
FFIV F5 NETWORKS INC 0.1%
Value $636K Shares 7,000 Est. Cost $85.18 Unrealized 0.0%
MEAD JOHNSON NUTRITION CO 0.1%
Value $586K Shares 7,000 Est. Cost $83.71 Unrealized
EXPRESS SCRIPTS HLDG CO 0.1%
Value $562K Shares 8,000 Est. Cost $70.25 Unrealized
MSFT MICROSOFT CORP 0.1%
Value $561K Shares 15,000 Est. Cost $30.02 Unrealized 0.0%
EXPE EXPEDIA INC DEL 0.1%
Value $557K Shares 8,000 Est. Cost $54.93 Unrealized 0.0%
HUBBELL INC 0.1%
Value $545K Shares 5,000 Est. Cost $109.00 Unrealized
VERIFONE SYS INC 0.1%
Value $536K Shares 20,000 Est. Cost $26.80 Unrealized
DAR DARLING INTL INC 0.1%
Value $522K Shares 25,000 Est. Cost $21.38 Unrealized 0.0%
CAPSTONE TURBINE CORP 0.1%
Value $516K Shares 400,000 Est. Cost $1.29 Unrealized
AIXTRON SE 0.1%
Value $508K Shares 35,000 Est. Cost $14.51 Unrealized
VMWARE INC 0.1%
Value $504K Shares 5,620 Est. Cost $89.68 Unrealized
TRIP TRIPADVISOR INC 0.1%
Value $497K Shares 6,000 Est. Cost $72.75 Unrealized 0.0%
AETNA INC NEW 0.1%
Value $480K Shares 7,000 Est. Cost $64.95 Unrealized
SONUS NETWORKS INC 0.1%
Value $473K Shares 150,000 Est. Cost $3.15 Unrealized
CHINACACHE INTL HLDG LTD 0.1%
Value $463K Shares 52,000 Est. Cost $8.90 Unrealized
HCA HCA HOLDINGS INC 0.1%
Value $453K Shares 9,500 Est. Cost $36.32 Unrealized +18.3%
MEDIVATION INC 0.1%
Value $447K Shares 7,000 Est. Cost $63.86 Unrealized
HIMX HIMAX TECHNOLOGIES INC 0.1%
Value $441K Shares 30,000 Est. Cost $14.70 Unrealized
CAH CARDINAL HEALTH INC 0.1%
Value $434K Shares 6,500 Est. Cost $32.61 Unrealized +35.5%
A AGILENT TECHNOLOGIES INC 0.1%
Value $429K Shares 7,500 Est. Cost $30.11 Unrealized +14.2%
ZBB ENERGY CORPORATION 0.1%
Value $422K Shares 474,000 Est. Cost $0.89 Unrealized
CLOVIS ONCOLOGY INC 0.1%
Value $422K Shares 7,000 Est. Cost $60.29 Unrealized
YCS PROSHARES TR II 0.1%
Value $418K Shares 5,900 Est. Cost $63.73 Unrealized
RVTY PERKINELMER INC 0.1%
Value $412K Shares 10,000 Est. Cost $36.62 Unrealized 0.0%
MCK MCKESSON CORP 0.1%
Value $404K Shares 2,500 Est. Cost $101.46 Unrealized +38.5%
MELLANOX TECHNOLOGIES LTD 0.1%
Value $400K Shares 10,010 Est. Cost $39.96 Unrealized
ZTS ZOETIS INC 0.1%
Value $392K Shares 12,000 Est. Cost $29.32 Unrealized -1.1%
INTC INTEL CORP 0.1%
Value $389K Shares 15,000 Est. Cost $17.92 Unrealized 0.0%
DVA DAVITA HEALTHCARE PARTNERS I 0.1%
Value $380K Shares 6,000 Est. Cost $58.68 Unrealized 0.0%
CANCER GENETICS INC 0.1%
Value $379K Shares 27,500 Est. Cost $13.78 Unrealized
ABBV ABBVIE INC 0.0%
Value $370K Shares 7,000 Est. Cost $30.39 Unrealized 0.0%
AAOI APPLIED OPTOELECTRONICS INC 0.0%
Value $341K Shares 22,690 Est. Cost $12.80 Unrealized 0.0%
ACTAVIS PLC 0.0%
Value $336K Shares 2,000 Est. Cost $168.00 Unrealized
TMUS T-MOBILE US INC 0.0%
Value $336K Shares 10,000 Est. Cost $23.90 Unrealized +10.8%
APPLIED MICRO CIRCUITS CORP 0.0%
Value $334K Shares 25,000 Est. Cost $13.36 Unrealized
TORNIER N V 0.0%
Value $329K Shares 17,500 Est. Cost $18.80 Unrealized
JA SOLAR HOLDINGS CO LTD 0.0%
Value $321K Shares 35,000 Est. Cost $9.17 Unrealized
FF FUTUREFUEL CORPORATION 0.0%
Value $316K Shares 20,000 Est. Cost $3.51 Unrealized +28.1%
ASYS AMTECH SYS INC 0.0%
Value $314K Shares 45,100 Est. Cost $5.28 Unrealized +47.2%
ST JUDE MED INC 0.0%
Value $310K Shares 5,000 Est. Cost $53.60 Unrealized
ALLT ALLOT COMMUNICATIONS LTD 0.0%
Value $303K Shares 20,000 Est. Cost $13.58 Unrealized 0.0%
BROADCOM CORP 0.0%
Value $296K Shares 10,000 Est. Cost $29.60 Unrealized
CNC CENTENE CORP DEL 0.0%
Value $295K Shares 5,000 Est. Cost $14.95 Unrealized 0.0%
BAX BAXTER INTL INC 0.0%
Value $278K Shares 4,000 Est. Cost $29.22 Unrealized 0.0%
ALERE INC 0.0%
Value $272K Shares 7,500 Est. Cost $36.27 Unrealized
LAM RESEARCH CORP 0.0%
Value $272K Shares 5,000 Est. Cost $54.40 Unrealized
RIVERBED TECHNOLOGY INC 0.0%
Value $271K Shares 15,000 Est. Cost $18.07 Unrealized
CAMBREX CORP 0.0%
Value $267K Shares 15,000 Est. Cost $17.80 Unrealized
PERFECT WORLD CO LTD 0.0%
Value $267K Shares 15,000 Est. Cost $17.42 Unrealized
ACXIOM CORP 0.0%
Value $259K Shares 7,000 Est. Cost $28.40 Unrealized
TWITTER INC 0.0%
Value $255K Shares 4,000 Est. Cost $63.75 Unrealized
LLY LILLY ELI & CO 0.0%
Value $255K Shares 5,000 Est. Cost $39.58 Unrealized 0.0%
TRINITY BIOTECH PLC 0.0%
Value $251K Shares 10,000 Est. Cost $16.85 Unrealized
MRK MERCK & CO INC NEW 0.0%
Value $250K Shares 5,000 Est. Cost $30.02 Unrealized +4.2%
ENZO BIOCHEM INC 0.0%
Value $248K Shares 85,000 Est. Cost $2.92 Unrealized
NOK NOKIA CORP 0.0%
Value $243K Shares 30,000 Est. Cost Unrealized
EXAS EXACT SCIENCES CORP 0.0%
Value $235K Shares 20,000 Est. Cost $11.47 Unrealized 0.0%
ZBH ZIMMER HLDGS INC 0.0%
Value $233K Shares 2,500 Est. Cost $67.30 Unrealized +16.3%
MARVELL TECHNOLOGY GROUP LTD 0.0%
Value $216K Shares 15,000 Est. Cost $14.40 Unrealized
BARCLAYS BK PLC 0.0%
Value $213K Shares 5,000 Est. Cost $42.60 Unrealized
MULTI FINELINE ELECTRONIX IN 0.0%
Value $208K Shares 15,000 Est. Cost $15.42 Unrealized
SEACHANGE INTL INC 0.0%
Value $207K Shares 17,000 Est. Cost $12.18 Unrealized
YELP YELP INC 0.0%
Value $207K Shares 3,000 Est. Cost $66.21 Unrealized 0.0%
ICLR ICON PLC 0.0%
Value $202K Shares 5,000 Est. Cost $38.50 Unrealized +3.3%
COUNTRY STYLE COOKING RESTAU 0.0%
Value $201K Shares 20,000 Est. Cost $9.20 Unrealized
BSX BOSTON SCIENTIFIC CORP 0.0%
Value $180K Shares 15,000 Est. Cost $11.81 Unrealized 0.0%
STREAMLINE HEALTH SOLUTIONS 0.0%
Value $175K Shares 25,000 Est. Cost $7.00 Unrealized
JBL JABIL CIRCUIT INC 0.0%
Value $174K Shares 10,000 Est. Cost $20.32 Unrealized -10.8%
CONCORD MED SVCS HLDGS LTD 0.0%
Value $164K Shares 30,000 Est. Cost $5.47 Unrealized
NVDA NVIDIA CORP 0.0%
Value $160K Shares 10,000 Est. Cost $0.36 Unrealized 0.0%
LMAT LEMAITRE VASCULAR INC 0.0%
Value $160K Shares 20,000 Est. Cost $6.78 Unrealized 0.0%
BIOSCRIP INC 0.0%
Value $148K Shares 20,000 Est. Cost $7.40 Unrealized
TEARLAB CORP 0.0%
Value $140K Shares 15,000 Est. Cost $9.33 Unrealized
LOGI LOGITECH INTL S A 0.0%
Value $137K Shares 10,000 Est. Cost $5.87 Unrealized +45.4%
ALCATEL-LUCENT 0.0%
Value $132K Shares 30,000 Est. Cost $1.82 Unrealized
OSUR ORASURE TECHNOLOGIES INC 0.0%
Value $126K Shares 20,000 Est. Cost $5.01 Unrealized +25.3%
NANOSPHERE INC 0.0%
Value $115K Shares 50,000 Est. Cost $2.21 Unrealized
ACELRX PHARMACEUTICALS INC 0.0%
Value $113K Shares 10,000 Est. Cost $11.30 Unrealized
CELESTICA INC 0.0%
Value $104K Shares 10,000 Est. Cost $10.40 Unrealized
CHINA FIN ONLINE CO LTD 0.0%
Value $63,000 Shares 10,000 Est. Cost $6.30 Unrealized
AVANIR PHARMACEUTICALS INC 0.0%
Value $34,000 Shares 10,000 Est. Cost Unrealized