ARDSLEY ADVISORY PARTNERS
262 HARBOR DRIVE, 4TH FLOOR, STAMFORD, Connecticut, 06902, (203) 564-4230
Report Date: 03/31/2013
Position Statistics:
| Total Positions | 185 |
| New Positions | 72 |
| Increased Positions | 93 |
| Decreased Positions | 87 |
| Positions with Activity | 180 |
| Sold Out Positions | 57 |
| Total Mkt Value (in $ millions) |
542 |
Sector Weighting
| Basic Materials | 8.12% |
| Capital Goods | 10.06% |
| Conglomerates | 0.59% |
| Consumer Cyclical | 6.32% |
| Consumer/Non-Cyclical | 0.18% |
| Energy | 12.37% |
| Financial | 5.75% |
| Healthcare | 20.64% |
| Services | 15.93% |
| Technology | 17.67% |
| Transportation | 0% |
| Utilities | 1.36% |
Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.
185 Positions as of 03/31/2013
| Company | Class | Value of Shares ($1,000s) |
Change in Value ($1,000s) | Change (%) | Shares Held |
|---|---|---|---|---|---|
| AETNA INC NEW | COM | 298 | New | 5,000 | |
| FOREST LABS INC | COM | 281 | 281 | New | 7,500 |
| SILVER SPRING NETWORKS INC | COM | 271 | 271 | New | 15,000 |
| AVG TECHNOLOGIES N V | SHS | 269 | 269 | New | 15,000 |
| ICON PLC | SHS | 249 | 249 | New | 7,500 |
| YY INC | ADS REPCOM CLA | 246 | 246 | New | 10,200 |
| EXIDE TECHNOLOGIES | COM NEW | 241 | 75 | 45.40 | 290,800 |
| DISCOVERY COMMUNICATNS NEW | COM SER A | 237 | 237 | New | 3,000 |
| HHGREGG INC | COM | 234 | 234 | New | 17,000 |
| ATRICURE INC | COM | 229 | -274 | (54.55) | 25,000 |
| COVIDIEN PLC | SHS | 228 | 228 | New | 3,500 |
| CHARLES RIV LABS INTL INC | COM | 220 | 220 | New | 5,000 |
| T-MOBILE US INC | COM | 201 | 201 | New | 10,000 |
| MICRON TECHNOLOGY INC | COM | 197 | 33 | 20 | 18,000 |
| ARIAD PHARMACEUTICALS INC | COM | 184 | 184 | New | 10,000 |
| LSI CORPORATION | COM | 176 | 35 | 25 | 25,000 |
| RESPONSYS INC | COM | 146 | 146 | New | 15,000 |
| KEYW HLDG CORP | COM | 145 | 145 | New | 10,000 |
| LIVE NATION ENTERTAINMENT INC | COM | 136 | 136 | New | 10,000 |
| CECO ENVIRONMENTAL CORP | COM | 121 | 121 | New | 10,000 |
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