Ardsley Advisory Partners as of Dec. 31, 2011
Portfolio Holdings for Ardsley Advisory Partners
Ardsley Advisory Partners holds 85 positions in its portfolio as reported in the December 2011 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price |
|---|---|---|---|---|---|
| Amarin Corporation (AMRN) | 9.9 | $47M | 6.3M | 7.49 | |
| ArthroCare Corporation | 7.7 | $37M | 1.2M | 31.68 | |
| Pfizer (PFE) | 5.9 | $28M | 1.3M | 21.64 | |
| Merck & Co (MRK) | 5.5 | $26M | 700k | 37.70 | |
| Halliburton Company (HAL) | 5.0 | $24M | 700k | 34.51 | |
| General Electric Company | 4.9 | $23M | 1.3M | 17.91 | |
| First Solar (FSLR) | 4.5 | $21M | 635k | 33.76 | |
| Aetna | 4.0 | $19M | 450k | 42.19 | |
| Westport Innovations | 3.2 | $16M | 465k | 33.24 | |
| Linn Energy | 3.2 | $15M | 400k | 37.91 | |
| Ens | 2.2 | $11M | 225k | 46.92 | |
| Heckmann Corporation | 2.0 | $9.6M | 1.5M | 6.65 | |
| Bridgepoint Education | 2.0 | $9.4M | 409k | 23.00 | |
| AFLAC Incorporated (AFL) | 1.8 | $8.7M | 200k | 43.26 | |
| Cameron International Corporation | 1.8 | $8.6M | 175k | 49.19 | |
| BP (BP) | 1.8 | $8.5M | 200k | 42.74 | |
| Halozyme Therapeutics (HALO) | 1.7 | $8.3M | 875k | 9.51 | |
| United Rentals (URI) | 1.7 | $8.1M | 275k | 29.55 | |
| Cabot Oil & Gas Corporation (CTRA) | 1.7 | $8.0M | 106k | 75.90 | |
| Industries N shs - a - (LYB) | 1.6 | $7.7M | 236k | 32.49 | |
| C&j Energy Services | 1.5 | $7.3M | 350k | 20.93 | |
| Energy Xxi | 1.3 | $6.4M | 200k | 31.88 | |
| Keynote Systems | 1.3 | $6.2M | 300k | 20.54 | |
| Gannett | 1.2 | $5.7M | 429k | 13.37 | |
| Fushi Copperweld | 1.2 | $5.6M | 750k | 7.52 | |
| Hldgs (UAL) | 1.2 | $5.7M | 300k | 18.87 | |
| Allot Communications (ALLT) | 1.1 | $5.4M | 353k | 15.20 | |
| Inphi Corporation | 1.1 | $5.4M | 450k | 11.96 | |
| Ormat Technologies (ORA) | 1.1 | $5.1M | 283k | 18.03 | |
| Radian (RDN) | 1.0 | $4.7M | 2.0M | 2.34 | |
| TiVo | 0.9 | $4.5M | 500k | 8.97 | |
| Pulte (PHM) | 0.9 | $4.4M | 700k | 6.31 | |
| EnteroMedics | 0.9 | $4.2M | 2.5M | 1.70 | |
| Comverge | 0.8 | $3.8M | 3.0M | 1.26 | |
| Occidental Petroleum Corporation (OXY) | 0.8 | $3.7M | 40k | 93.70 | |
| MGM Resorts International. (MGM) | 0.8 | $3.7M | 350k | 10.43 | |
| Pioneer Natural Resources (PXD) | 0.8 | $3.6M | 40k | 89.48 | |
| Sensata Technologies Hldg Bv | 0.7 | $3.3M | 125k | 26.28 | |
| Nextera Energy (NEE) | 0.6 | $2.7M | 45k | 60.89 | |
| Johnson Controls | 0.5 | $2.5M | 80k | 31.26 | |
| McDermott International | 0.5 | $2.3M | 200k | 11.51 | |
| Ameres (AMRC) | 0.4 | $2.1M | 150k | 13.72 | |
| ZBB Energy Corporation (ZBB) | 0.4 | $2.0M | 2.8M | 0.71 | |
| World Energy Solutions | 0.4 | $1.9M | 641k | 3.02 | |
| Itron (ITRI) | 0.4 | $1.8M | 50k | 35.78 | |
| ProShares UltraShort Euro (EUO) | 0.3 | $1.5M | 75k | 20.35 | |
| MasTec (MTZ) | 0.3 | $1.5M | 85k | 17.36 | |
| China Valves Technology | 0.3 | $1.4M | 678k | 2.13 | |
| Maxwell Technologies | 0.3 | $1.4M | 85k | 16.24 | |
| Fuel Systems Solutions | 0.3 | $1.4M | 85k | 16.49 | |
| Synutra International | 0.3 | $1.3M | 265k | 5.06 | |
| EnerNOC | 0.3 | $1.4M | 125k | 10.87 | |
| NCI Building Systems | 0.3 | $1.4M | 125k | 10.87 | |
| Active Power | 0.2 | $1.1M | 1.7M | 0.66 | |
| Cheniere Energy (LNG) | 0.2 | $1.1M | 125k | 8.69 | |
| GrafTech International | 0.2 | $1.0M | 75k | 13.65 | |
| Calavo Growers (CVGW) | 0.2 | $1.0M | 40k | 25.68 | |
| Rockwood Holdings | 0.2 | $984k | 25k | 39.36 | |
| American Railcar Industries | 0.2 | $957k | 40k | 23.92 | |
| FutureFuel (FF) | 0.2 | $972k | 78k | 12.41 | |
| China Green Agriculture | 0.2 | $870k | 290k | 3.00 | |
| LSB Industries (LXU) | 0.2 | $841k | 30k | 28.03 | |
| Calpine Corporation | 0.2 | $817k | 50k | 16.34 | |
| Thermon Group Holdings (THR) | 0.2 | $793k | 45k | 17.62 | |
| Trinity Industries (TRN) | 0.2 | $752k | 25k | 30.08 | |
| Universal Display Corporation (OLED) | 0.1 | $734k | 20k | 36.70 | |
| EnergySolutions | 0.1 | $695k | 225k | 3.09 | |
| Green Plains Renewable Energy (GPRE) | 0.1 | $732k | 75k | 9.76 | |
| Ada-es | 0.1 | $716k | 32k | 22.64 | |
| Gevo | 0.1 | $566k | 90k | 6.29 | |
| China Yida Holding | 0.1 | $535k | 280k | 1.91 | |
| Flow Intl Corp Cmn Stk cmn | 0.1 | $525k | 150k | 3.50 | |
| Ecotality | 0.1 | $496k | 459k | 1.08 | |
| Generac Holdings (GNRC) | 0.1 | $420k | 15k | 28.00 | |
| Moly | 0.1 | $360k | 15k | 24.00 | |
| Commercial Metals Company (CMC) | 0.1 | $346k | 25k | 13.84 | |
| Arris | 0.1 | $325k | 30k | 10.83 | |
| Fuel Tech (FTEK) | 0.1 | $329k | 50k | 6.58 | |
| Ctrip.com International | 0.1 | $257k | 11k | 23.36 | |
| China Hydroelectric Corp | 0.0 | $128k | 113k | 1.14 | |
| China Lodging | 0.0 | $142k | 10k | 14.20 | |
| Procera Networks | 0.0 | $156k | 10k | 15.60 | |
| LSI Corporation | 0.0 | $89k | 15k | 5.93 | |
| RF Micro Devices | 0.0 | $54k | 10k | 5.40 | |
| Cereplast (CERP) | 0.0 | $38k | 39k | 0.97 |
