Back to funds
View filing
ESSEX INVESTMENT MANAGEMENT CO LLC
hedge fundUpdated 35 days agoManaged by Essex Investment Management Co Llc • Latest filing Q2 2026
Portfolio value
$763.4M
Q2 2026
Filings
14
Quarterly 13F history
Top-10 concentration
100.0%
Weight of largest holdings
Annualized return
3.3%
Implied from 13F holdings
Portfolio value history
13F-disclosed portfolio value over 14 quarters
Show data table
| Period | Portfolio value |
|---|---|
| Q1 2023 | $688M |
| Q2 2023 | $716.2M |
| Q3 2023 | $612.7M |
| Q4 2023 | $507.9M |
| Q1 2024 | $506.7M |
| Q2 2024 | $534.7M |
| Q3 2024 | $573.7M |
| Q4 2024 | $556.1M |
| Q1 2025 | $479.4M |
| Q2 2025 | $550M |
| Q3 2025 | $653.4M |
| Q4 2025 | $655.9M |
| Q1 2026 | $631.7M |
| Q2 2026 | $763.4M |
Top holdings
306 positions as of Q2 2026
| # | Stock | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|---|
| 1 | T TSEM TOWER SEMICONDUCTOR LTD | $27.5M | 105.5K | 3.60% | Trimmed(-9.0%) |
| 2 | L LINC LINCOLN EDL SVCS CORP | $17M | 340.4K | 2.22% | Trimmed(-4.2%) |
| 3 | K KNSA KINIKSA PHARMACEUTICALS INTL P | $15.4M | 241.4K | 2.02% | Trimmed(-3.2%) |
| 4 | O OUST OUSTER INC | $14.1M | 226.0K | 1.85% | Added(+22.4%) |
| 5 | L LGNYZ LIGAND PHARMACEUTICALS INC | $13.8M | 43.6K | 1.80% | Trimmed(-25.5%) |
| 6 | C CECO CECO ENVIRONMENTAL CORP | $13.6M | 150.4K | 1.79% | Trimmed(-4.3%) |
| 7 | S STRL STERLING INFRASTRUCTURE INC | $13.6M | 16.2K | 1.78% | Trimmed(-49.6%) |
| 8 | A AIP ARTERIS INC | $13.5M | 277.7K | 1.77% | Trimmed(-4.4%) |
| 9 | M MIRM MIRUM PHARMACEUTICALS INC | $12.4M | 105.7K | 1.62% | Trimmed(-2.5%) |
| 10 | A AGX ARGAN INC | $12.4M | 15.5K | 1.62% | Trimmed(-3.9%) |
| 11 | G GHM GRAHAM CORP | $11.6M | 93.4K | 1.51% | Trimmed(-27.2%) |
| 12 | D DRS LEONARDO DRS INC | $10.7M | 250.2K | 1.40% | Trimmed(-4.3%) |
| 13 | A ADPT ADAPTIVE BIOTECHNOLOGIES CORP | $10.1M | 472.8K | 1.33% | Trimmed(-4.2%) |
| 14 | W WERN WERNER ENTERPRISES INC | $10.1M | 231.6K | 1.32% | — |
| 15 | H HCIIP HCI GROUP INC | $9.9M | 56.3K | 1.29% | Trimmed(-2.4%) |
| 16 | G GEV GE VERNOVA INC | $9.7M | 8.3K | 1.27% | Trimmed(-0.4%) |
| 17 | C COHU COHU INC | $9.7M | 131.2K | 1.27% | Trimmed(-31.6%) |
| 18 | A AAPL APPLE INC | $9.4M | 32.4K | 1.23% | Trimmed(-0.5%) |
| 19 | A AMSC AMERICAN SUPERCONDUCTOR CORP | $9.2M | 221.9K | 1.21% | Trimmed(-2.5%) |
| 20 | B BRSYF BRAINSWAY LTD | $9.2M | 592.6K | 1.20% | Trimmed(-4.2%) |