DOSSIER · 13F Holders · Q2 2026
MG

MISTRAS GROUP INC

144 institutions still hold MISTRAS GROUP INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 60649T107·144 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$281M
visible holders
Holders
144
filers reporting
Concentration
12.01%
Mill Road Capital Management LLC #1
top holder share
AI Holders Summary · Q2 2026

144 institutions reported MG in Q2 2026. Mill Road Capital Management LLC leads at 12.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Mill Road Capital Management LLC
CIK 0001512275
$34M1.9M16.64%Q2 2026
02
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$30M1.7M0.01%Q2 2026
03
WEBER CAPITAL MANAGEMENT LLC /ADV
CIK 0001099905
$29M1.4M26.11%Q3 2026
04
ROYCE & ASSOCIATES LP
CIK 0000906304
$28M1.6M0.22%Q2 2026
05
BlackRock, Inc.
CIK 0002012383
$20M1.2M0.00%Q2 2026
06
First Eagle Investment Management, LLC
CIK 0001325447
$19M1.1M0.02%Q2 2026
07
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$18M1.1M0.00%Q2 2026
08
IES Holdings, Inc.
CIK 0001048268
$17M1.1M7.74%Q1 2026
09
FEDERATED HERMES, INC.
CIK 0001056288
$11M656K0.02%Q2 2026
10
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$9M510K0.00%Q2 2026
11
Clearline Capital LP
CIK 0001600136
$9M699K0.44%Q4 2025
12
WASATCH ADVISORS LP
CIK 0000814133
$8M392K0.06%Q3 2026
13
CITADEL ADVISORS LLC
CIK 0001423053
$8M466K0.00%Q2 2026
14
DEUTSCHE BANK AG\
CIK 0000948046
$7M389K0.00%Q2 2026
15
STATE STREET CORP
CIK 0000093751
$7M386K0.00%Q2 2026
16
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 0001107261
$6M354K0.11%Q2 2026
17
Invenomic Capital Management LP
CIK 0001769456
$6M476K0.28%Q4 2025
18
ESSEX INVESTMENT MANAGEMENT CO LLC
CIK 0000201772
$5M249K0.78%Q3 2026
19
Pacific Ridge Capital Partners, LLC
CIK 0001591546
$5M283K0.90%Q2 2026
20
Qube Research & Technologies Ltd
CIK 0001729829
$5M276K0.00%Q2 2026
Page 1 of 8
124 more holders available. Log in →
Insiders at MISTRAS GROUP INC
D'Alterio Gennaro A. →Coggins Eileen Mary →Vahaviolos Aspasia Felice →Shuman-Fabbri Natalia →Glanton Richard H →Lohmeier Michelle →Forese James J →Pizzi Charles P →