Institutional Fund
Essex Investment Management Co LLC
Boston, MACIK 2017725 filings on record
Portfolio Value
$631.74M
Q1 2026
Holdings
305
Reported positions
New Buys
28
Opened this quarter
QoQ Change
-3.7%
from $655.94M
Portfolio Value Trend
Reported 13F value by quarter
Portfolio value trend — upgrade to see history
UpgradeTop Allocations
Largest positions by weight
- Tower Semiconductor Ltd3.2%
- Lincoln Edl Svcs Corp2.3%
- Sterling Infrastructure Inc2.1%
- Kiniksa Pharmaceuticals Intl1.9%
- Ligand Pharmaceuticals Inc1.8%
- Leonardo Drs Inc1.8%
- Other86.8%
Portfolio Holdings
305 positions · Q1 2026
| # | Security | Shares | Value | % Port. | Δ Shares | Activity |
|---|---|---|---|---|---|---|
| 1 | Tower Semiconductor Ltd | 115.9K | $20.34M | 3.2% | −76.7K | Reduced |
| 2 | Lincoln Edl Svcs Corp | 355.3K | $14.45M | 2.3% | −33.5K | Reduced |
| 3 | Sterling Infrastructure Inc | 32.1K | $13.06M | 2.1% | −12.6K | Reduced |
| 4 | Kiniksa Pharmaceuticals Intl | 249.3K | $12.00M | 1.9% | −1.7K | Reduced |
| 5 | Ligand Pharmaceuticals Inc | 58.5K | $11.67M | 1.8% | −1.6K | Reduced |
| 6 | Leonardo Drs Inc | 261.5K | $11.64M | 1.8% | +4.6K | Added |
| 7 | Kratos Defense & Sec Solutio | 158.8K | $11.20M | 1.8% | −31.4K | Reduced |
| 8 | Globalstar Inc | 165.7K | $11.00M | 1.7% | −1.7K | Reduced |
| 9 | Insmed Inc | 62.7K | $10.25M | 1.6% | +253 | Added |
| 10 | Graham Corp | 128.3K | $10.12M | 1.6% | −12.4K | Reduced |
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