ESSEX INVESTMENT MANAGEMENT CO LLC
•CIK: 201772•Filing: Q4 2025
**ESSEX INVESTMENT MANAGEMENT CO LLC** manages $656M across a diversified portfolio of 306 positions. The fund exhibits notable concentration in several names, with BKFDF representing the largest holding at $22.6M. Key allocations also include KTOS ($14.4M), UAO ($13.7M), and HCI ($11.3M). This structure suggests a tactical approach emphasizing specific, high-conviction opportunities across its holdings.
Total AUM
$655.9M
QoQ Performance
+0.4%
Positions
306
Top 10 Concentration
19.2%
Latest Filing
Q4 2025
Top Holdings Allocation
TSEM3.4%
KTOS2.2%
STRL2.1%
HCI1.7%
LGND1.7%
INSM1.7%
KINIKSA1.6%
GSAT1.6%
📈 Biggest Buys
📉 Biggest Sells
Sector Breakdown
Other91.9%
Technology3.9%
Financial1.6%
Consumer1.0%
Communication0.4%
Consumer Staples0.3%
Utilities0.2%
Healthcare0.2%
🚪 Exited Positionssold since Q3 2025
+117 more exited positions
Changes from Q3 2025
NEW23 new positions
↑20 increased
↓118 decreased
Historical Filings
Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023Q2 2023Q1 2023Q4 2022