ESSEX INVESTMENT MANAGEMENT CO LLC
125 HIGH STREET, BOSTON, Massachusetts, 02110, (617) 482-4870
Report Date: 03/31/2013
Position Statistics:
| Total Positions | 391 |
| New Positions | 69 |
| Increased Positions | 126 |
| Decreased Positions | 245 |
| Positions with Activity | 371 |
| Sold Out Positions | 63 |
| Total Mkt Value (in $ millions) |
588 |
Sector Weighting
| Basic Materials | 6.45% |
| Capital Goods | 5.87% |
| Conglomerates | 1.86% |
| Consumer Cyclical | 2.67% |
| Consumer/Non-Cyclical | 2.86% |
| Energy | 8.86% |
| Financial | 11.9% |
| Healthcare | 14.57% |
| Services | 15.37% |
| Technology | 24.76% |
| Transportation | 3.5% |
| Utilities | 1.34% |
Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.
391 Positions as of 03/31/2013
| Company | Class | Value of Shares ($1,000s) |
Change in Value ($1,000s) | Change (%) | Shares Held |
|---|---|---|---|---|---|
| CELGENE CORP | COM | 15,515 | -592 | (3.67) | 125,692 |
| GOOGLE INC | CL A | 14,702 | -93 | (0.63) | 16,530 |
| U S AIRWAYS GROUP INC | COM | 14,549 | -892 | (5.78) | 811,434 |
| GILEAD SCIENCES INC | COM | 13,596 | 6,738 | 98.25 | 243,084 |
| EXONE CO | COM | 10,929 | 10,929 | New | 263,916 |
| ANADARKO PETE CORP | COM | 10,740 | 9,578 | 823.91 | 120,395 |
| ADOBE SYS INC | COM | 9,094 | -186 | (2.01) | 210,646 |
| DISNEY WALT CO | COM DISNEY | 8,781 | -956 | (9.82) | 133,921 |
| MORGAN STANLEY | COM NEW | 8,669 | 102 | 1.20 | 350,962 |
| UNI PIXEL INC | COM NEW | 8,351 | 144 | 1.76 | 360,284 |
| 3-D SYS CORP DEL | COM NEW | 8,151 | 8,151 | New | 175,139 |
| SPLUNK INC | COM | 7,891 | 7,477 | 1,805.83 | 174,936 |
| EBAY INC | COM | 7,865 | -6,934 | (46.85) | 144,585 |
| WESTPORT INNOVATIONS INC | COM NEW | 7,847 | 4,576 | 139.94 | 267,537 |
| QUALCOMM INC | COM | 7,260 | 538 | 8.01 | 111,296 |
| INTUIT | COM | 7,077 | -487 | (6.44) | 120,780 |
| ROYAL GOLD INC | COM | 6,991 | 967 | 16.05 | 135,346 |
| THE ADT CORPORATION | COM | 6,515 | 736 | 12.74 | 158,246 |
| NEWMONT MINING CORP | COM | 6,357 | 552 | 9.51 | 198,894 |
| BIOGEN IDEC INC | COM | 6,310 | 406 | 6.88 | 27,073 |
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