Ardsley Advisory Partners as of Dec. 31, 2012
Portfolio Holdings for Ardsley Advisory Partners
Ardsley Advisory Partners holds 117 positions in its portfolio as reported in the December 2012 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price |
|---|---|---|---|---|---|
| United Rentals (URI) | 7.3 | $36M | 800k | 45.52 | |
| Spdr S&p 500 Etf (SPY) | 5.7 | $29M | 200k | 142.41 | |
| Linn | 5.6 | $28M | 775k | 36.14 | |
| Pfizer (PFE) | 5.2 | $26M | 1.0M | 25.08 | |
| Freeport-McMoRan Copper & Gold (FCX) | 4.7 | $23M | 675k | 34.20 | |
| Watson Pharmaceuticals | 4.3 | $21M | 246k | 86.00 | |
| Anadarko Petroleum Corporation | 3.7 | $19M | 250k | 74.31 | |
| Industries N shs - a - (LYB) | 3.3 | $16M | 285k | 57.09 | |
| Jazz Pharmaceuticals (JAZZ) | 3.1 | $16M | 293k | 53.25 | |
| Proshares Tr Ii Ultrashort Ye etf (YCS) | 3.1 | $16M | 305k | 50.77 | |
| Saba Software | 3.0 | $15M | 1.7M | 8.74 | |
| Lennar Corporation (LEN) | 2.5 | $12M | 315k | 38.67 | |
| Sensata Technologies Hldg Bv | 2.2 | $11M | 335k | 32.48 | |
| Monster Beverage | 2.1 | $11M | 200k | 52.84 | |
| Ellie Mae | 2.0 | $9.7M | 350k | 27.75 | |
| TiVo | 1.9 | $9.2M | 750k | 12.31 | |
| Hologic (HOLX) | 1.7 | $8.6M | 430k | 20.01 | |
| Facebook Inc cl a (META) | 1.6 | $8.1M | 304k | 26.62 | |
| Westport Innovations | 1.6 | $8.0M | 300k | 26.71 | |
| Schlumberger (SLB) | 1.5 | $7.6M | 110k | 69.30 | |
| Sunpower (SPWR) | 1.5 | $7.3M | 1.3M | 5.62 | |
| Blyth | 1.5 | $7.3M | 468k | 15.55 | |
| JDS Uniphase Corporation | 1.4 | $7.1M | 523k | 13.50 | |
| EnteroMedics | 1.4 | $7.0M | 2.5M | 2.80 | |
| Barrick Gold Corp (GOLD) | 1.4 | $7.0M | 200k | 35.01 | |
| USG Corporation | 1.4 | $7.0M | 250k | 28.07 | |
| D.R. Horton (DHI) | 1.4 | $6.9M | 350k | 19.78 | |
| Halcon Resources | 1.4 | $6.9M | 1.0M | 6.92 | |
| Unknown | 1.4 | $6.8M | 450k | 15.09 | |
| Gnc Holdings Inc Cl A | 1.3 | $6.7M | 200k | 33.28 | |
| Procera Networks | 1.3 | $6.5M | 353k | 18.55 | |
| Ensco Plc Shs Class A | 1.2 | $5.9M | 100k | 59.28 | |
| Claymore/AlphaShares China Small Cap ETF | 1.1 | $5.2M | 217k | 23.99 | |
| Active Power | 1.0 | $5.0M | 1.5M | 3.35 | |
| Silicon Motion Technology (SIMO) | 1.0 | $5.0M | 350k | 14.22 | |
| Regional Management (RM) | 1.0 | $4.8M | 288k | 16.55 | |
| Merck & Co (MRK) | 0.9 | $4.6M | 112k | 40.94 | |
| Ormat Technologies (ORA) | 0.7 | $3.7M | 191k | 19.28 | |
| World Energy Solutions | 0.7 | $3.5M | 795k | 4.40 | |
| EnerNOC | 0.5 | $2.4M | 200k | 11.75 | |
| Covanta Holding Corporation | 0.5 | $2.3M | 125k | 18.42 | |
| Rockwood Holdings | 0.5 | $2.3M | 46k | 49.46 | |
| Keynote Systems | 0.5 | $2.3M | 160k | 14.09 | |
| Clean Harbors (CLH) | 0.4 | $2.1M | 38k | 55.01 | |
| Bunge | 0.4 | $1.8M | 25k | 72.68 | |
| Rentech | 0.3 | $1.7M | 651k | 2.63 | |
| Shaw | 0.3 | $1.6M | 35k | 46.60 | |
| Calpine Corporation | 0.3 | $1.6M | 87k | 18.13 | |
| Great Lakes Dredge & Dock Corporation (GLDD) | 0.3 | $1.5M | 165k | 8.93 | |
| Greenbrier Companies (GBX) | 0.3 | $1.5M | 90k | 16.17 | |
| Power-One | 0.3 | $1.4M | 350k | 4.11 | |
| Cheniere Energy Partners (CQP) | 0.3 | $1.4M | 77k | 18.78 | |
| Stillwater Mining Company | 0.3 | $1.3M | 100k | 12.78 | |
| Ada-es | 0.2 | $1.2M | 73k | 16.89 | |
| General Cable Corporation | 0.2 | $1.2M | 40k | 30.40 | |
| Casella Waste Systems (CWST) | 0.2 | $1.2M | 276k | 4.38 | |
| Chicago Bridge & Iron Company | 0.2 | $1.2M | 25k | 46.36 | |
| NCI Building Systems | 0.2 | $1.1M | 82k | 13.90 | |
| Cummins (CMI) | 0.2 | $1.1M | 10k | 108.40 | |
| Headwaters Incorporated | 0.2 | $1.1M | 125k | 8.56 | |
| LSB Industries (LXU) | 0.2 | $1.1M | 30k | 35.43 | |
| Gevo | 0.2 | $924k | 600k | 1.54 | |
| Delta Air Lines (DAL) | 0.2 | $890k | 75k | 11.87 | |
| Universal Display Corporation (OLED) | 0.2 | $897k | 35k | 25.63 | |
| ZBB Energy Corporation (ZBB) | 0.2 | $881k | 2.7M | 0.33 | |
| Valero Energy Corporation (VLO) | 0.2 | $853k | 25k | 34.12 | |
| Seagate Technology Com Stk | 0.2 | $837k | 28k | 30.44 | |
| Exide Technologies | 0.1 | $684k | 200k | 3.42 | |
| Sunopta (STKL) | 0.1 | $702k | 125k | 5.63 | |
| Flow International Corporation | 0.1 | $701k | 200k | 3.50 | |
| Babcock & Wilcox | 0.1 | $655k | 25k | 26.20 | |
| Trimble Navigation (TRMB) | 0.1 | $598k | 10k | 59.80 | |
| Primoris Services (PRIM) | 0.1 | $602k | 40k | 15.05 | |
| Golar Lng (GLNG) | 0.1 | $552k | 15k | 36.80 | |
| ArthroCare Corporation | 0.1 | $519k | 15k | 34.60 | |
| FutureFuel (FF) | 0.1 | $501k | 42k | 11.84 | |
| Omnicare | 0.1 | $451k | 13k | 36.08 | |
| Health Care SPDR (XLV) | 0.1 | $399k | 10k | 39.90 | |
| AtriCure (ATRC) | 0.1 | $380k | 55k | 6.91 | |
| Focus Media Holding | 0.1 | $334k | 13k | 25.69 | |
| McKesson Corporation (MCK) | 0.1 | $330k | 3.4k | 97.06 | |
| Atmel Corporation | 0.1 | $328k | 50k | 6.56 | |
| Bristol Myers Squibb (BMY) | 0.1 | $310k | 9.5k | 32.63 | |
| Sanofi-Aventis SA (SNY) | 0.1 | $308k | 6.5k | 47.38 | |
| Celgene Corporation | 0.1 | $314k | 4.0k | 78.50 | |
| Synergetics USA | 0.1 | $288k | 60k | 4.80 | |
| ProShares UltraShort Euro (EUO) | 0.1 | $285k | 15k | 19.00 | |
| Gt Solar Int'l | 0.1 | $303k | 100k | 3.03 | |
| iShares FTSE/Xinhua China 25 Index (FXI) | 0.1 | $243k | 6.0k | 40.50 | |
| Universal Health Services (UHS) | 0.1 | $266k | 5.5k | 48.36 | |
| Aetna | 0.1 | $232k | 5.0k | 46.40 | |
| eBay (EBAY) | 0.1 | $255k | 5.0k | 51.00 | |
| Shire | 0.1 | $230k | 2.5k | 92.00 | |
| Flextronics International Ltd Com Stk (FLEX) | 0.1 | $248k | 40k | 6.20 | |
| Computer Programs & Systems (TBRG) | 0.1 | $252k | 5.0k | 50.40 | |
| ShangPharma | 0.1 | $256k | 30k | 8.59 | |
| Cisco Systems (CSCO) | 0.0 | $196k | 10k | 19.60 | |
| Gilead Sciences (GILD) | 0.0 | $220k | 3.0k | 73.33 | |
| Yahoo! | 0.0 | $199k | 10k | 19.90 | |
| SBA Communications Corporation | 0.0 | $213k | 3.0k | 71.00 | |
| Illumina (ILMN) | 0.0 | $222k | 4.0k | 55.50 | |
| Youku | 0.0 | $219k | 12k | 18.25 | |
| Boston Scientific Corporation (BSX) | 0.0 | $143k | 25k | 5.72 | |
| LSI Corporation | 0.0 | $141k | 20k | 7.05 | |
| ShoreTel | 0.0 | $127k | 30k | 4.23 | |
| NxStage Medical | 0.0 | $169k | 15k | 11.27 | |
| Alcatel-Lucent | 0.0 | $139k | 100k | 1.39 | |
| Accuray Incorporated (ARAY) | 0.0 | $161k | 25k | 6.44 | |
| Giant Interactive | 0.0 | $135k | 25k | 5.40 | |
| Fabrinet (FN) | 0.0 | $171k | 13k | 13.15 | |
| Globus Med Inc cl a (GMED) | 0.0 | $157k | 15k | 10.47 | |
| Micron Technology (MU) | 0.0 | $95k | 15k | 6.33 | |
| E-House | 0.0 | $103k | 25k | 4.12 | |
| AsiaInfo-Linkage | 0.0 | $109k | 10k | 10.90 | |
| Qlt | 0.0 | $79k | 10k | 7.90 | |
| Achillion Pharmaceuticals | 0.0 | $120k | 15k | 8.00 | |
| Pactera Technology- | 0.0 | $79k | 10k | 7.90 |
