Ardsley Advisory Partners

Ardsley Advisory Partners as of Dec. 31, 2013

Portfolio Holdings for Ardsley Advisory Partners

Ardsley Advisory Partners holds 157 positions in its portfolio as reported in the December 2013 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
iShares Russell 2000 Index (IWM) 16.9 $127M 1.1M 115.36
Sunedison 6.6 $50M 3.8M 13.05
Canadian Solar (CSIQ) 6.0 $46M 1.5M 29.82
Jazz Pharmaceuticals (JAZZ) 5.9 $45M 354k 126.56
United Rentals (URI) 5.2 $39M 500k 77.95
Cree 4.2 $31M 500k 62.52
ITT Educational Services (ESINQ) 3.1 $24M 700k 33.58
Concho Resources 3.0 $23M 210k 108.00
Proshares Ultrashort 20+y Tr etf (TBT) 2.6 $20M 250k 79.20
Constellium Holdco B V cl a 2.6 $20M 847k 23.27
ArthroCare Corporation 2.5 $19M 470k 40.24
Industries N shs - a - (LYB) 2.0 $15M 190k 80.28
American Realty Capital Prop 2.0 $15M 1.2M 12.85
Hannon Armstrong (HASI) 1.8 $14M 975k 13.96
Home Inns & Hotels Management 1.6 $12M 283k 43.64
Supernus Pharmaceuticals (SUPN) 1.4 $11M 1.4M 7.54
Citigroup (C) 1.4 $10M 200k 52.11
Nmi Hldgs Inc cl a (NMIH) 1.4 $10M 800k 12.73
Groupon 1.2 $8.9M 760k 11.76
EnteroMedics 1.2 $8.8M 4.3M 2.04
Blucora 1.2 $8.7M 300k 29.16
Celldex Therapeutics 1.1 $8.6M 357k 24.21
American Residential Pptys I 1.1 $8.6M 500k 17.16
Gilead Sciences (GILD) 1.1 $8.4M 113k 75.10
salesforce (CRM) 1.1 $8.3M 150k 55.19
Micron Technology (MU) 1.1 $8.2M 375k 21.75
Lennar Corporation (LEN) 1.1 $7.9M 200k 39.56
Physicians Realty Trust 1.0 $7.8M 615k 12.74
Dbx Etf Tr dbxtr har cs 300 (ASHR) 1.0 $7.4M 300k 24.66
Pfizer (PFE) 0.9 $6.6M 215k 30.63
Pulte (PHM) 0.9 $6.6M 325k 20.37
Us Silica Hldgs (SLCA) 0.8 $6.3M 185k 34.11
Spansion 0.8 $6.3M 450k 13.89
Boyd Gaming Corporation (BYD) 0.8 $5.6M 500k 11.26
Cabot Oil & Gas Corporation (CTRA) 0.7 $5.4M 140k 38.76
American Homes 4 Rent-a reit (AMH) 0.7 $4.9M 300k 16.20
Westport Innovations 0.5 $3.9M 200k 19.61
EnerNOC 0.5 $3.6M 210k 17.21
World Energy Solutions 0.5 $3.5M 833k 4.25
Chart Industries (GTLS) 0.4 $3.3M 35k 95.63
Preferred Apartment Communitie 0.4 $3.3M 410k 8.04
LivePerson (LPSN) 0.4 $2.9M 195k 14.82
CECO Environmental (CECO) 0.4 $2.8M 172k 16.15
Covanta Holding Corporation 0.3 $2.7M 150k 17.75
Aruba Networks 0.3 $2.2M 125k 17.90
ShoreTel 0.3 $2.2M 235k 9.28
Berry Plastics (BERY) 0.3 $2.1M 90k 23.79
Sensata Technologies Hldg Bv 0.3 $1.9M 50k 38.78
Navistar Intl Corp pfd sr d conv 0.2 $1.9M 50k 38.20
Independence Realty Trust In (IRT) 0.2 $1.7M 200k 8.34
Quanta Services (PWR) 0.2 $1.6M 50k 31.56
Sunopta (STKL) 0.2 $1.3M 133k 10.01
Voxeljet Ag ads 0.2 $1.4M 35k 39.49
Hewlett-Packard Company 0.2 $1.3M 45k 27.98
Casella Waste Systems (CWST) 0.2 $1.3M 227k 5.80
Ameres (AMRC) 0.2 $1.2M 123k 9.66
Google 0.1 $1.1M 1.0k 1121.00
China Ming Yang Wind Power 0.1 $1.1M 450k 2.45
Just Energy Group 0.1 $1.1M 150k 7.15
Pattern Energy 0.1 $1.1M 35k 30.31
Polypore International 0.1 $973k 25k 38.92
Veeco Instruments (VECO) 0.1 $987k 30k 32.90
Sungy Mobile Ltd adr rep ord a 0.1 $985k 48k 20.52
Globe Specialty Metals 0.1 $901k 50k 18.02
MeadWestva 0.1 $923k 25k 36.92
Trimble Navigation (TRMB) 0.1 $868k 25k 34.72
New Oriental Education & Tech 0.1 $882k 28k 31.50
China Lodging 0.1 $914k 30k 30.47
Marrone Bio Innovations 0.1 $889k 50k 17.78
JetBlue Airways Corporation (JBLU) 0.1 $854k 100k 8.54
MasTec (MTZ) 0.1 $818k 25k 32.72
PowerSecure International 0.1 $859k 50k 17.18
PAREXEL International Corporation 0.1 $768k 17k 45.18
Celgene Corporation 0.1 $760k 4.5k 168.89
WuXi PharmaTech 0.1 $652k 17k 38.35
EnerSys (ENS) 0.1 $701k 10k 70.10
Mead Johnson Nutrition 0.1 $586k 7.0k 83.71
F5 Networks (FFIV) 0.1 $636k 7.0k 90.86
Microsoft Corporation (MSFT) 0.1 $561k 15k 37.40
Hubbell Incorporated 0.1 $545k 5.0k 109.00
Darling International (DAR) 0.1 $522k 25k 20.88
VeriFone Systems 0.1 $536k 20k 26.80
Capstone Turbine Corporation 0.1 $516k 400k 1.29
VMware 0.1 $504k 5.6k 89.68
Aixtron 0.1 $508k 35k 14.51
Expedia (EXPE) 0.1 $557k 8.0k 69.62
Tripadvisor (TRIP) 0.1 $497k 6.0k 82.83
Express Scripts Holding 0.1 $562k 8.0k 70.25
Himax Technologies (HIMX) 0.1 $441k 30k 14.70
Cardinal Health (CAH) 0.1 $434k 6.5k 66.77
Aetna 0.1 $480k 7.0k 68.57
Agilent Technologies Inc C ommon (A) 0.1 $429k 7.5k 57.20
Medivation 0.1 $447k 7.0k 63.86
Sonus Networks 0.1 $473k 150k 3.15
ChinaCache International Holdings 0.1 $463k 52k 8.90
Hca Holdings (HCA) 0.1 $453k 9.5k 47.68
Proshares Tr Ii Ultrashort Ye etf (YCS) 0.1 $418k 5.9k 70.85
Clovis Oncology 0.1 $422k 7.0k 60.29
Zbb Energy Corporation 0.1 $422k 474k 0.89
Intel Corporation (INTC) 0.1 $389k 15k 25.93
DaVita (DVA) 0.1 $380k 6.0k 63.33
McKesson Corporation (MCK) 0.1 $404k 2.5k 161.60
PerkinElmer (RVTY) 0.1 $412k 10k 41.20
Mellanox Technologies 0.1 $400k 10k 39.96
Abbvie (ABBV) 0.1 $370k 7.0k 52.86
Zoetis Inc Cl A (ZTS) 0.1 $392k 12k 32.67
Cancer Genetics 0.1 $379k 28k 13.78
Applied Optoelectronics (AAOI) 0.1 $341k 23k 15.03
Baxter International (BAX) 0.0 $278k 4.0k 69.50
Perfect World 0.0 $267k 15k 17.80
Broadcom Corporation 0.0 $296k 10k 29.60
Alere 0.0 $272k 7.5k 36.27
Lam Research Corporation (LRCX) 0.0 $272k 5.0k 54.40
Applied Micro Circuits Corporation 0.0 $334k 25k 13.36
Centene Corporation (CNC) 0.0 $295k 5.0k 59.00
Riverbed Technology 0.0 $271k 15k 18.07
Cambrex Corporation 0.0 $267k 15k 17.80
St. Jude Medical 0.0 $310k 5.0k 62.00
Allot Communications (ALLT) 0.0 $303k 20k 15.15
Amtech Systems (ASYS) 0.0 $314k 45k 6.96
FutureFuel (FF) 0.0 $316k 20k 15.80
Tornier Nv 0.0 $329k 18k 18.80
Ja Solar Holdings Co Ltd spon adr rep5ord 0.0 $321k 35k 9.17
Metropcs Communications (TMUS) 0.0 $336k 10k 33.60
Actavis 0.0 $336k 2.0k 168.00
Eli Lilly & Co. (LLY) 0.0 $255k 5.0k 51.00
Acxiom Corporation 0.0 $259k 7.0k 37.00
Nokia Corporation (NOK) 0.0 $243k 30k 8.10
Merck & Co (MRK) 0.0 $250k 5.0k 50.00
Zimmer Holdings (ZBH) 0.0 $233k 2.5k 93.20
SeaChange International 0.0 $207k 17k 12.18
Marvell Technology Group 0.0 $216k 15k 14.40
Multi-Fineline Electronix 0.0 $208k 15k 13.87
Enzo Biochem (ENZ) 0.0 $248k 85k 2.92
EXACT Sciences Corporation (EXAS) 0.0 $235k 20k 11.75
Trinity Biotech 0.0 $251k 10k 25.10
Country Syl Ckng Restaurant Chain 0.0 $201k 20k 10.05
Yelp Inc cl a (YELP) 0.0 $207k 3.0k 69.00
Icon (ICLR) 0.0 $202k 5.0k 40.40
Ipath S&p 500 Vix S/t Fu Etn 0.0 $213k 5.0k 42.60
Twitter 0.0 $255k 4.0k 63.75
NVIDIA Corporation (NVDA) 0.0 $160k 10k 16.00
Boston Scientific Corporation (BSX) 0.0 $180k 15k 12.00
BioScrip 0.0 $148k 20k 7.40
Jabil Circuit (JBL) 0.0 $174k 10k 17.40
LOGITECH INTERNATIONAL SA APP Com Stk (LOGI) 0.0 $137k 10k 13.70
OraSure Technologies (OSUR) 0.0 $126k 20k 6.30
Alcatel-Lucent 0.0 $132k 30k 4.40
Concord Medical Services Holding (CCM) 0.0 $164k 30k 5.47
Nanosphere 0.0 $115k 50k 2.30
LeMaitre Vascular (LMAT) 0.0 $160k 20k 8.00
Tearlab Corp 0.0 $140k 15k 9.33
Streamline Health Solutions (STRM) 0.0 $175k 25k 7.00
Acelrx Pharmaceuticals 0.0 $113k 10k 11.30
Celestica 0.0 $104k 10k 10.40
China Finance Online 0.0 $63k 10k 6.30
AVANIR Pharmaceuticals 0.0 $34k 10k 3.40