Essex Investment Management Co Llc Portfolio Stock Holdings
According to the SEC 13F filed on October 19, 2026, Essex Investment Management Co Llc disclosed 295 stock positions valued at approximately $674.70M as of quarter-end September 30, 2026. The largest holdings include TOWER SEMICONDUCTOR LTD, KINIKSA PHARMACEUTICALS INTL P, and LIGAND PHARMACEUTICALS INC.
- Report Period
- September 30, 2026
- No. of Stocks
- 295
- Portfolio Value
- $674.70M
Holdings by Sector
Essex Investment Management Co Llc Portfolio Holdings in Q3 2026
| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| TOWER SEMICONDUCTOR LTD | TSEM | Technology | 3.08% | 91,519 | -14,024 | -13.29% | $20,814,166 |
| KINIKSA PHARMACEUTICALS INTL P | KNSA | Healthcare | 2.23% | 202,021 | -39,361 | -16.31% | $15,072,787 |
| LIGAND PHARMACEUTICALS INC | LGND | Healthcare | 1.80% | 38,917 | -4,650 | -10.67% | $12,156,503 |
| ADAPTIVE BIOTECHNOLOGIES CORP | ADPT | Healthcare | 1.72% | 401,735 | -71,028 | -15.02% | $11,610,142 |
| APPLE INC | AAPL | Technology | 1.53% | 31,084 | -1,343 | -4.14% | $10,351,594 |
| CECO ENVIRONMENTAL CORP | CECO | Industrials | 1.50% | 145,717 | -4,699 | -3.12% | $10,147,732 |
| HCI GROUP INC | HCI | Financial Services | 1.40% | 54,282 | -1,978 | -3.52% | $9,435,297 |
| LEONARDO DRS INC | DRS | Industrials | 1.32% | 242,479 | -7,736 | -3.09% | $8,882,006 |
| MIRUM PHARMACEUTICALS INC | MIRM | Healthcare | 1.29% | 101,716 | -3,953 | -3.74% | $8,694,684 |
| COHU INC | COHU | Technology | 1.28% | 127,180 | -3,990 | -3.04% | $8,666,045 |
| AVEPOINT INC | AVPT | Technology | 1.15% | 551,987 | -19,554 | -3.42% | $7,771,977 |
| STERLING INFRASTRUCTURE INC | STRL | Industrials | 1.13% | 15,536 | -619 | -3.83% | $7,640,294 |
| TRAVERE THERAPEUTICS INC | TVTX | Healthcare | 1.13% | 129,493 | -4,373 | -3.27% | $7,624,548 |
| BRAINSWAY LTD | BWAY | Healthcare | 1.12% | 574,818 | -17,788 | -3.00% | $7,587,598 |
| GE VERNOVA INC | GEV | Utilities | 1.12% | 7,978 | -305 | -3.68% | $7,583,009 |
| NUVATION BIO INC | NUVB | Healthcare | 1.12% | 1,344,871 | +673,830 | +100.42% | $7,531,278 |
| WERNER ENTERPRISES INC | WERN | Industrials | 1.11% | 220,515 | -11,110 | -4.80% | $7,493,100 |
| MICROSOFT CORP | MSFT | Technology | 1.10% | 14,469 | -1,245 | -7.92% | $7,421,150 |
| FREQUENCY ELECTRS INC | FEIM | Technology | 1.08% | 86,267 | -2,776 | -3.12% | $7,292,150 |
| BIODESIX INC | BDSX | Healthcare | 1.04% | 234,542 | -7,373 | -3.05% | $6,996,388 |
| AGNICO EAGLE MINES LTD | AEM | Basic Materials | 1.01% | 37,195 | -1,267 | -3.29% | $6,816,728 |
| NOVOCURE LTD | NVCR | Healthcare | 1.00% | 424,133 | -15,515 | -3.53% | $6,764,921 |
| XERIS BIOPHARMA HOLDINGS INC | XERS | Healthcare | 0.98% | 693,260 | -22,348 | -3.12% | $6,627,566 |
| SEMTECH CORP | SMTC | Technology | 0.98% | 37,026 | -1,200 | -3.14% | $6,603,587 |
| MARVELL TECHNOLOGY INC | MRVL | Technology | 0.97% | 24,845 | -1,066 | -4.11% | $6,564,297 |
| GRAHAM CORP | GHM | Industrials | 0.96% | 75,219 | -18,186 | -19.47% | $6,492,152 |
| AMAZON COM INC | AMZN | Consumer Cyclical | 0.96% | 25,879 | -1,183 | -4.37% | $6,447,753 |
| LANTRONIX INC | LTRX | Technology | 0.95% | 889,983 | +227,913 | +34.42% | $6,416,777 |
| OCEANEERING INTL INC | OII | Energy | 0.95% | 146,483 | -4,980 | -3.29% | $6,391,053 |
| GOLDMAN SACHS GROUP INC | GS | Financial Services | 0.94% | 7,069 | -444 | -5.91% | $6,364,645 |
Showing 30 of 295 holdings in the latest reporting period.