DOSSIER · 13F Holders · Q1 2026Defensive growthQuality
MG

Mistras Group, Inc.

135 institutions still hold Mistras Group, Inc. as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 60649t107·135 13F holders·last filed Mar 31, 2026
Market cap
1.3%
vs prior quarter
13F value held
$208M
66.0% inst. owned
of float
Holders
135
-91 QoQ
filers reporting
Activity
+73 / −6
+836 added · −783 reduced
this quarter
Concentration
13.27%
Mill Road Capital Management LLC #1
top holder share
AI Holders Summary · Q1 2026

135 institutions reported MG in Q1 2026. Mill Road Capital Management LLC leads at 13.3% of the visible book. -91 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Mill Road Capital Management LLC
CIK 0001512275
$28M1.9M14.49%Q1 2026
02
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$25M1.7M0.01%Q1 2026
03
ROYCE & ASSOCIATES LP
CIK 0000906304
$23M1.5M0.22%Q1 2026
04
WEBER CAPITAL MANAGEMENT LLC /ADV
CIK 0001099905
$22M1.5M21.51%Q1 2026
05
IES Holdings, Inc.
CIK 0001048268
$17M1.1M7.74%Q1 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$14M930K0.00%Q1 2026
07
BlackRock, Inc.
CIK 0002012383
$13M859K0.00%Q1 2026
08
FEDERATED HERMES, INC.
CIK 0001056288
$10M656K0.02%Q1 2026
09
Clearline Capital LP
CIK 0001600136
$9M699K0.44%Q4 2025
10
Invenomic Capital Management LP
CIK 0001769456
$6M476K0.28%Q4 2025
11
DEUTSCHE BANK AG\
CIK 0000948046
$6M379K0.00%Q1 2026
12
BRIDGEWAY CAPITAL MANAGEMENT, LLC
CIK 0001107261
$5M354K0.11%Q1 2026
13
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$5M353K0.00%Q1 2026
14
STATE STREET CORP
CIK 0000093751
$5M312K0.00%Q1 2026
15
Pacific Ridge Capital Partners, LLC
CIK 0001591546
$4M285K0.91%Q1 2026
16
First Eagle Investment Management, LLC
CIK 0001325447
$4M282K0.01%Q1 2026
17
Foundry Partners, LLC
CIK 0001573913
$4M377K0.21%Q1 2025
18
ESSEX INVESTMENT MANAGEMENT CO LLC
CIK 0000201772
$4M269K0.63%Q1 2026
19
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$3M231K0.00%Q1 2026
20
CITADEL ADVISORS LLC
CIK 0001423053
$3M264K0.00%Q4 2025
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