13F Insight
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DOSSIER · 13F-HR · Q1 2026

ESSEX INVESTMENT MANAGEMENT CO LLC

$632M in tracked AUM across 305 positions as of Q1 2026.

EI
CIK 0000201772 · last filed Mar 31, 2026
Total AUM
$632M
as of Q1 2026
Holdings
305
—
positions
Whale Score
45
45
tracked
Activity
—
no data
changes this Q

Top 10 holdings

By portfolio weight as of Q1 2026.

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