SEC Form 13F

ESSEX INVESTMENT MANAGEMENT CO LLC 13F Holdings

Report period2026-06-30
Publicly available2026-08-07
Reported value$763,373,957
Positions306

Largest disclosed positions

IssuerTickerClassReported valueReported amount
TOWER SEMICONDUCTOR LTDTSEMCOM$27,508,728105,543
LINCOLN EDL SVCS CORPLINCCOM$16,984,263340,366
KINIKSA PHARMACEUTICALS INTL PKNSACOM$15,436,379241,382
OUSTER INCOUSTCOM$14,131,271226,028
LIGAND PHARMACEUTICALS INCLGNDCOM$13,771,09343,567
CECO ENVIRONMENTAL CORPCECOCOM$13,648,748150,416
STERLING INFRASTRUCTURE INCSTRLCOM$13,559,86116,155
ARTERIS INCAIPCOM$13,491,742277,665
MIRUM PHARMACEUTICALS INCMIRMCOM$12,370,670105,669
ARGAN INCAGXCOM$12,351,17315,467

Public filing evidence only. NexusTrade's simulated follower strategies are hypothetical, modeled results — not live trading returns and not investment advice.

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