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ESSEX INVESTMENT MANAGEMENT CO LLC

Position in MG — Mistras Group, Inc.

CIK 201772 BOSTON, MA

Position in MG

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$4,492,008
+$522,588 QoQ
Shares Held
257,127
-4.3% QoQ
Ownership
0.807%
of shares outstanding
% of Portfolio
0.60%
of 13F equity value
Holder Rank
#19
of 136 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 54% Shared 0% None 46%

Common Shares in MG Over Time

Shares Held

Position Value (USD)

Position in Security & Protection Services

Industrials · as of Jun 30, 2026

ESSEX INVESTMENT MANAGEMENT CO LLC holds $4,492,008 across 1 Security & Protection Services name. MG ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MG
Mistras Group, Inc.
This page
257,127 $4,492,008

All Filings in MG

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,492,008 257,127
2026-03-31 $3,969,420 268,567