Essex Investment Management Co LLC
Net seller this quarter
$763M
300
-$33.4M
20.1%
Holdings
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026 | |||||
 TSEM | $27.5M | 3.60% | 0.09% | -9.0% | Q3 2014 |
 LINC | $17M | 2.22% | 1.07% | -4.2% | Q2 2014 |
 KNSA | $15.4M | 2.02% | Not reported | -3.2% | Q1 2023 |
 OUST | $14.1M | 1.85% | 0.33% | +22.5% | Q1 2024 |
 LGND | $13.8M | 1.80% | 0.22% | -25.5% | Q2 2013 |
 CECO | $13.6M | 1.79% | 0.26% | -4.3% | Q2 2013 |
 STRL | $13.6M | 1.78% | 0.05% | -49.6% | Q3 2015 |
 AIP | $13.5M | 1.77% | 0.57% | -4.4% | Q3 2024 |
 MIRM | $12.4M | 1.62% | 0.16% | -2.5% | Q2 2025 |
 AGX | $12.4M | 1.62% | 0.11% | -3.9% | Q4 2023 |
 GHM | $11.6M | 1.51% | 0.80% | -27.2% | Q3 2018 |
 DRS | $10.7M | 1.40% | 0.09% | -4.3% | Q4 2022 |
 ADPT | $10.1M | 1.33% | 0.30% | -4.2% | Q1 2023 |
 WERN | $10.1M | 1.32% | 0.39% | Not reported | Q4 2020 |
 HCI | $9.86M | 1.29% | 0.45% | -2.4% | Q2 2018 |
 GEV | $9.73M | 1.27% | 0.00% | -0.4% | Q2 2024 |
 COHU | $9.69M | 1.27% | 0.26% | -31.6% | Q2 2025 |
 AAPL | $9.38M | 1.23% | 0.00% | -0.5% | Q2 2013 |
 AMSC | $9.21M | 1.21% | 0.46% | -2.5% | Q3 2017 |
 BWAY | $9.19M | 1.20% | 0.76% | -4.2% | Q2 2022 |
 TTI | $8.4M | 1.10% | 0.50% | -4.3% | Q2 2013 |
 LYTS | $7.86M | 1.03% | 0.80% | +7.9% | Q1 2015 |
 MRVL | $7.72M | 1.01% | 0.00% | -28.4% | Q3 2018 |
 KTOS | $7.66M | 1.00% | 0.08% | -3.3% | Q1 2022 |
 TVTX | $7.6M | 1.00% | 0.14% | -17.2% | Q4 2021 |
 GS | $7.6M | 1.00% | 0.00% | -0.6% | Q2 2013 |
 PATK | $7.45M | 0.98% | 0.26% | +79.5% | Q2 2016 |
 ORN | $7.44M | 0.98% | 1.09% | -4.2% | Q4 2020 |
 ASML | $7.04M | 0.92% | 0.00% | -0.5% | Q1 2025 |
 AMBA | $6.86M | 0.90% | 0.18% | -2.9% | Q1 2015 |
 NVCR | $6.66M | 0.87% | 0.38% | -2.8% | Q3 2017 |
 AMZN | $6.45M | 0.84% | 0.00% | -0.5% | Q2 2013 |
 AVPT | $6.41M | 0.84% | 0.27% | +14.7% | Q1 2024 |
 WMS | $6.34M | 0.83% | 0.06% | -0.4% | Q1 2015 |
 SMTC | $6.19M | 0.81% | 0.04% | -24.5% | Q2 2018 |
 OII | $6.14M | 0.80% | 0.15% | -4.4% | Q3 2018 |
 ECG | $6.04M | 0.79% | 0.07% | -4.5% | Q4 2024 |
 AEM | $5.97M | 0.78% | 0.01% | -0.5% | Q3 2013 |
 LQDA | $5.96M | 0.78% | 0.08% | -4.4% | Q1 2026 |
 WLDN | $5.92M | 0.78% | 0.50% | -4.4% | Q3 2014 |
 FEIM | $5.91M | 0.77% | 0.90% | -4.3% | Q4 2020 |
 MSFT | $5.86M | 0.77% | 0.00% | -0.5% | Q2 2013 |
 MAMA | $5.84M | 0.76% | 0.80% | -4.3% | Q2 2025 |
 XERS | $5.67M | 0.74% | 0.41% | -4.3% | Q4 2024 |
 PKE | $5.48M | 0.72% | 0.69% | -4.2% | Q3 2025 |
 BDSX | $5.46M | 0.71% | 2.29% | +83.2% | Q1 2021 |
 XMTR | $5.4M | 0.71% | 0.12% | New | Q2 2026 |
 BXC | $5.36M | 0.70% | 1.11% | New | Q2 2026 |
 MITK | $5.31M | 0.70% | 0.59% | -4.2% | Q2 2014 |
 CXDO | $5.31M | 0.70% | 2.14% | -4.3% | Q4 2020 |
| Q1 2026 | |||||
| TSEM | $20.3M | 3.22% | 0.10% | -39.8% | Q3 2014 |
| LINC | $14.5M | 2.29% | 1.12% | -8.6% | Q2 2014 |
| STRL | $13.1M | 2.07% | 0.10% | -28.3% | Q3 2015 |
| KNSA | $12M | 1.90% | Not reported | -0.7% | Q1 2023 |
| LGND | $11.7M | 1.85% | 0.29% | -2.6% | Q2 2013 |
| DRS | $11.6M | 1.84% | 0.10% | +1.8% | Q4 2022 |
| KTOS | $11.2M | 1.77% | 0.08% | -16.5% | Q1 2022 |
 GSAT | $11M | 1.74% | 0.13% | -1.0% | Q3 2025 |
 INSM | $10.2M | 1.62% | 0.03% | +0.4% | Q3 2018 |
| GHM | $10.1M | 1.60% | 1.16% | -8.8% | Q3 2018 |
| MIRM | $10M | 1.58% | 0.18% | -2.7% | Q2 2025 |
| CECO | $9.37M | 1.48% | 0.44% | +1.8% | Q2 2013 |
| HCI | $8.91M | 1.41% | 0.45% | -2.7% | Q2 2018 |
| AGX | $8.77M | 1.39% | 0.12% | -41.7% | Q4 2023 |
| AAPL | $8.27M | 1.31% | 0.00% | -6.6% | Q2 2013 |
| BWAY | $8.22M | 1.30% | 0.79% | +1.7% | Q2 2022 |
| AEM | $7.84M | 1.24% | 0.01% | -3.5% | Q3 2013 |
| AMSC | $7.7M | 1.22% | 0.48% | +5.8% | Q3 2017 |
 AMPX | $7.51M | 1.19% | 0.32% | -13.8% | Q1 2025 |
| GEV | $7.26M | 1.15% | 0.00% | -3.3% | Q2 2024 |
 PRIM | $6.89M | 1.09% | 0.09% | -5.5% | Q2 2013 |
| ADPT | $6.85M | 1.08% | 0.31% | -21.0% | Q1 2023 |
| TTI | $6.6M | 1.04% | 0.57% | +1.8% | Q2 2013 |
| GS | $6.39M | 1.01% | 0.00% | -12.7% | Q2 2013 |
| WLDN | $5.99M | 0.95% | 0.53% | +1.8% | Q3 2014 |
| COHU | $5.88M | 0.93% | 0.38% | +1.8% | Q2 2025 |
| MSFT | $5.85M | 0.93% | 0.00% | -10.3% | Q2 2013 |
 MIR | $5.75M | 0.91% | 1.65% | +1.9% | Q3 2023 |
| AMZN | $5.67M | 0.90% | 0.00% | -5.6% | Q2 2013 |
| OII | $5.62M | 0.89% | 0.16% | +1.9% | Q3 2018 |
| WMS | $5.56M | 0.88% | 0.06% | -5.3% | Q1 2015 |
 BVS | $5.51M | 0.87% | Not reported | +55.5% | Q4 2025 |
| MAMA | $5.24M | 0.83% | 0.84% | +1.8% | Q2 2025 |
 BWXT | $5.23M | 0.83% | 0.03% | -6.2% | Q1 2019 |
| PATK | $5.13M | 0.81% | 0.14% | +0.6% | Q2 2016 |
| LYTS | $5.1M | 0.81% | 0.75% | +1.8% | Q1 2015 |
| ORN | $5.03M | 0.80% | 1.14% | +2.7% | Q4 2020 |
| NVCR | $4.93M | 0.78% | 0.39% | Not reported | Q3 2017 |
| TVTX | $4.8M | 0.76% | 0.18% | +1.9% | Q4 2021 |
| AIP | $4.77M | 0.76% | 0.63% | +1.8% | Q3 2024 |
| AVPT | $4.74M | 0.75% | 0.24% | -1.9% | Q1 2024 |
| ASML | $4.7M | 0.74% | 0.00% | -6.6% | Q1 2025 |
 SNDX | $4.65M | 0.74% | 0.22% | New | Q1 2026 |
| CXDO | $4.58M | 0.73% | 2.29% | +1.8% | Q4 2020 |
| ECG | $4.5M | 0.71% | 0.07% | +1.9% | Q4 2024 |
| XERS | $4.34M | 0.69% | 0.43% | +1.8% | Q4 2024 |
 GMED | $4.31M | 0.68% | 0.04% | -2.7% | Q2 2014 |
| AMBA | $4.24M | 0.67% | 0.19% | -1.7% | Q1 2015 |
 XZO | $4.23M | 0.67% | 0.32% | -1.0% | Q4 2025 |
| FEIM | $4.12M | 0.65% | 0.95% | +1.8% | Q4 2020 |
| Q4 2025 | |||||
| TSEM | $22.6M | 3.45% | 0.17% | -1.9% | Q3 2014 |
| KTOS | $14.4M | 2.20% | 0.11% | -22.1% | Q1 2022 |
| STRL | $13.7M | 2.09% | 0.15% | -2.1% | Q3 2015 |
| HCI | $11.3M | 1.73% | 0.46% | -1.8% | Q2 2018 |
| LGND | $11.3M | 1.73% | 0.30% | -1.8% | Q2 2013 |
| INSM | $10.9M | 1.66% | 0.03% | -28.3% | Q3 2018 |
| KNSA | $10.4M | 1.58% | Not reported | +1.5% | Q1 2023 |
| GSAT | $10.2M | 1.56% | 0.13% | -13.9% | Q3 2025 |
| ADPT | $10.1M | 1.55% | 0.41% | -2.2% | Q1 2023 |
| AAPL | $9.48M | 1.45% | 0.00% | -3.8% | Q2 2013 |
| LINC | $9.39M | 1.43% | 1.23% | -2.2% | Q2 2014 |
| CECO | $9.24M | 1.41% | 0.43% | -2.2% | Q2 2013 |
| GHM | $9.04M | 1.38% | 1.28% | -2.1% | Q3 2018 |
| MIRM | $8.79M | 1.34% | 0.21% | -1.9% | Q2 2025 |
| DRS | $8.76M | 1.33% | 0.10% | -2.2% | Q4 2022 |
| AGX | $8.66M | 1.32% | 0.20% | -2.4% | Q4 2023 |
| MSFT | $8.52M | 1.30% | 0.00% | -3.6% | Q2 2013 |
| WLDN | $7.97M | 1.22% | 0.52% | -2.5% | Q3 2014 |
| GS | $7.61M | 1.16% | 0.00% | -3.7% | Q2 2013 |
| TTI | $7.12M | 1.09% | 0.57% | -2.1% | Q2 2013 |
| MIR | $7.1M | 1.08% | 1.62% | -2.3% | Q3 2023 |
| XZO | $7.06M | 1.08% | 0.32% | New | Q4 2025 |
| AVPT | $7.06M | 1.08% | 0.24% | -2.0% | Q1 2024 |
| AEM | $6.78M | 1.03% | 0.01% | -2.0% | Q3 2013 |
| AMZN | $6.66M | 1.01% | 0.00% | -1.5% | Q2 2013 |
 BBNX | $6.64M | 1.01% | 0.49% | -2.2% | Q3 2025 |
| PRIM | $6.33M | 0.96% | 0.09% | -7.5% | Q2 2013 |
 EVER | $6.25M | 0.95% | Not reported | -1.9% | Q4 2019 |
| WMS | $6.2M | 0.95% | 0.06% | -0.2% | Q1 2015 |
| AMSC | $6.19M | 0.94% | 0.45% | -12.4% | Q3 2017 |
| TVTX | $6.06M | 0.92% | 0.17% | -2.0% | Q4 2021 |
 UVE | $6M | 0.91% | 0.63% | -2.1% | Q2 2024 |
| AMBA | $5.94M | 0.91% | 0.19% | -1.8% | Q1 2015 |
| BWAY | $5.79M | 0.88% | 0.78% | -2.1% | Q2 2022 |
| XERS | $5.77M | 0.88% | 0.44% | -2.1% | Q4 2024 |
| GEV | $5.62M | 0.86% | 0.00% | -9.3% | Q2 2024 |
 CRM | $5.05M | 0.77% | 0.00% | -1.8% | Q2 2013 |
| PATK | $4.98M | 0.76% | 0.14% | -2.0% | Q2 2016 |
| LYTS | $4.93M | 0.75% | 0.87% | -2.1% | Q1 2015 |
| FEIM | $4.92M | 0.75% | 0.93% | -2.2% | Q4 2020 |
 PEGA | $4.74M | 0.72% | 0.05% | -1.5% | Q3 2024 |
| CXDO | $4.72M | 0.72% | 2.35% | -2.1% | Q4 2020 |
| BWXT | $4.71M | 0.72% | 0.03% | -1.6% | Q1 2019 |
 OCUL | $4.68M | 0.71% | 0.18% | -2.1% | Q3 2015 |
 ANGO | $4.63M | 0.71% | 0.87% | +10.1% | Q1 2025 |
| MAMA | $4.53M | 0.69% | 0.83% | -1.8% | Q2 2025 |
 GWRE | $4.53M | 0.69% | 0.03% | -1.7% | Q4 2020 |
| GMED | $4.49M | 0.68% | 0.04% | -2.3% | Q2 2014 |
| ORN | $4.47M | 0.68% | 1.13% | +44.8% | Q4 2020 |
 WGO | $4.44M | 0.68% | 0.39% | New | Q4 2025 |
| Q3 2025 | |||||
| KTOS | $22.3M | 3.41% | 0.14% | -30.3% | Q1 2022 |
| STRL | $15.5M | 2.37% | 0.15% | -14.1% | Q3 2015 |
| AMSC | $14.6M | 2.23% | 0.54% | -29.0% | Q3 2017 |
| TSEM | $14.2M | 2.17% | 0.18% | +0.5% | Q3 2014 |
| INSM | $12.5M | 1.92% | 0.04% | +31.3% | Q3 2018 |
| DRS | $11.9M | 1.82% | 0.10% | +3.4% | Q4 2022 |
| HCI | $11.6M | 1.77% | 0.47% | +0.6% | Q2 2018 |
| LGND | $10.8M | 1.66% | 0.31% | +0.6% | Q2 2013 |
| KNSA | $9.6M | 1.47% | Not reported | +44.3% | Q1 2023 |
| ADPT | $9.55M | 1.46% | 0.42% | +3.4% | Q1 2023 |
| MSFT | $9.46M | 1.45% | 0.00% | -1.2% | Q2 2013 |
| LINC | $9.34M | 1.43% | 1.26% | +3.3% | Q2 2014 |
| AAPL | $9.23M | 1.41% | 0.00% | -1.1% | Q2 2013 |
| MIRM | $8.32M | 1.27% | 0.22% | +0.6% | Q2 2025 |
| CECO | $8.09M | 1.24% | 0.44% | +3.4% | Q2 2013 |
| GHM | $7.89M | 1.21% | 1.31% | +3.4% | Q3 2018 |
| AVPT | $7.78M | 1.19% | 0.24% | +1.1% | Q1 2024 |
| AGX | $7.64M | 1.17% | 0.20% | +3.6% | Q4 2023 |
| WLDN | $7.63M | 1.17% | 0.54% | -26.4% | Q3 2014 |
| PRIM | $7.57M | 1.16% | 0.10% | -1.3% | Q2 2013 |
| AMPX | $7.34M | 1.12% | 0.53% | -32.0% | Q1 2025 |
| MIR | $7.22M | 1.11% | 1.66% | +3.6% | Q3 2023 |
| GS | $7.16M | 1.10% | 0.00% | -1.7% | Q2 2013 |
| GSAT | $7.07M | 1.08% | 0.15% | New | Q3 2025 |
| AMBA | $7.04M | 1.08% | 0.20% | +1.0% | Q1 2015 |
| AEM | $6.88M | 1.05% | 0.01% | -1.1% | Q3 2013 |
| LYTS | $6.5M | 0.99% | 0.89% | +3.4% | Q1 2015 |
| AMZN | $6.43M | 0.98% | 0.00% | -1.1% | Q2 2013 |
| XERS | $6.11M | 0.93% | 0.45% | +3.3% | Q4 2024 |
| WMS | $5.95M | 0.91% | 0.06% | +345.7% | Q1 2015 |
| GEV | $5.83M | 0.89% | 0.00% | -34.5% | Q2 2024 |
| EVER | $5.39M | 0.83% | Not reported | +0.5% | Q4 2019 |
| GWRE | $5.26M | 0.81% | 0.03% | -1.6% | Q4 2020 |
| BWXT | $5.1M | 0.78% | 0.03% | -1.6% | Q1 2019 |
 CLPT | $5.07M | 0.78% | 0.82% | -28.6% | Q2 2022 |
| OUST | $5.02M | 0.77% | 0.31% | -25.8% | Q1 2024 |
 STXS | $4.97M | 0.76% | 1.76% | +3.5% | Q4 2019 |
| PATK | $4.85M | 0.74% | 0.14% | +1.8% | Q2 2016 |
| CXDO | $4.85M | 0.74% | 2.43% | +3.3% | Q4 2020 |
| UVE | $4.77M | 0.73% | 0.65% | +3.3% | Q2 2024 |
| BWAY | $4.68M | 0.72% | 0.83% | +3.2% | Q2 2022 |
| PEGA | $4.64M | 0.71% | 0.05% | -1.6% | Q3 2024 |
| OCUL | $4.61M | 0.71% | 0.23% | +3.3% | Q3 2015 |
| CRM | $4.6M | 0.70% | 0.00% | -0.4% | Q2 2013 |
 NVRI | $4.47M | 0.68% | Not reported | +3.4% | Q3 2021 |
| TTI | $4.47M | 0.68% | 0.58% | +3.3% | Q2 2013 |
| BBNX | $4.42M | 0.68% | 0.51% | New | Q3 2025 |
 PENG | $4.42M | 0.68% | 0.32% | +3.5% | Q1 2025 |
 MASS | $4.33M | 0.66% | 1.37% | +3.5% | Q1 2025 |
| STKL | $4.07M | 0.62% | 0.59% | +2.0% | Q2 2014 |