Mistras Group Inc

Historical 13F Holders

Symbol
MG
CUSIP
60649T107
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 60649T107 since 12/18/2024, newest first.

Filer % of Class Filed
Stephanie Athena Foglia 13D/A Amendment 5
19.1% 10/7/2026
Event 9/17/2026
Stephanie Athena Foglia 13D/A Amendment 4
19.1% 9/21/2026
Event 9/17/2026
Mill Road Capital III, L.P. 13D/A Amendment 3
6.1% 9/18/2026
Event 9/16/2026
Stephanie Athena Foglia 13D/A Amendment 3
17.4% 9/14/2026
Event 9/10/2026
Aspasia Felice Vahaviolos 13G/A Amendment 1 19.2% 8/13/2026
Event 6/30/2026
Foglia Stephanie Athena 13D/A Amendment 2
18.6% 6/12/2026
Event 6/10/2026
Foglia Stephanie Athena 13D/A Amendment 1
19.9% 6/4/2026
Event 4/27/2026
Mill Road Capital III, L.P. 13D/A Amendment 2
5.9% 4/23/2026
Event 4/21/2026
Kyriakopoulos Kristy Vahaviolos 13G/A Amendment 1 5.1% 3/31/2026
Event 7/8/2025
Vahaviolos Aspasia Felice 13G 19.3% 3/31/2026
Event 12/31/2025
Foglia Stephanie Athena 13D
21.7% 3/31/2026
Event 12/31/2025
Foglia Stephanie Athena 13G 5.1% 9/11/2025
Event 7/8/2025
Kyriakopoulos Kristy Vahaviolos 13G 5.3% 9/11/2025
Event 7/8/2025
Vahaviolos Aspasia Felice 13G 19.4% 9/11/2025
Event 5/23/2025
Dimensional Fund Advisors LP 13G 5.2% 7/15/2025
Event 6/30/2025
Mill Road Capital III, L.P. 13D/A Amendment 1
5.7% 3/10/2025
Event 3/6/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 8 436 k $9.16 M
2026 Q2 147 19.9 M $347 M
2026 Q1 132 18.3 M $270 M
2025 Q4 129 17.6 M $223 M
2025 Q3 118 15.9 M $157 M
2025 Q2 117 15.8 M $127 M
2025 Q1 116 15.2 M $161 M
2024 Q4 114 14.9 M $135 M
2024 Q3 111 15.1 M $172 M
2024 Q2 96 14.5 M $120 M
2024 Q1 91 14.6 M $140 M
2023 Q4 86 14.5 M $106 M
2023 Q3 84 14.8 M $80.7 M
2023 Q2 82 14.9 M $115 M
2023 Q1 67 13.5 M $91.4 M
2022 Q4 66 13.9 M $68.7 M
2022 Q3 70 14.5 M $64.7 M
2022 Q2 81 14.9 M $88.7 M
2022 Q1 95 15.8 M $103 M
2021 Q4 91 15.1 M $112 M
2021 Q3 93 14.7 M $149 M
2021 Q2 90 14.8 M $146 M
2021 Q1 95 14.7 M $167 M
2020 Q4 97 15.6 M $121 M
2020 Q3 93 13.3 M $51.8 M
2020 Q2 90 14.2 M $56.0 M
2020 Q1 91 16.3 M $69.6 M
2019 Q4 91 16.7 M $238 M
2019 Q3 102 16.3 M $268 M
2019 Q2 93 16.8 M $242 M
2019 Q1 99 16.9 M $234 M
2018 Q4 98 16.9 M $243 M
2018 Q3 103 17.5 M $379 M
2018 Q2 87 16.9 M $319 M
2018 Q1 84 17.5 M $332 M
2017 Q4 90 17.7 M $416 M
2017 Q3 84 17.5 M $359 M
2017 Q2 86 17.1 M $376 M
2017 Q1 97 16.5 M $352 M
2016 Q4 99 16.0 M $411 M
2016 Q3 108 16.3 M $383 M
2016 Q2 108 16.4 M $391 M
2016 Q1 107 16.2 M $400 M
2015 Q4 94 16.2 M $310 M
2015 Q3 83 16.0 M $207 M
2015 Q2 86 16.0 M $304 M
2015 Q1 85 16.2 M $313 M
2014 Q4 88 15.5 M $288 M
2014 Q3 94 15.5 M $317 M
2014 Q2 101 15.6 M $384 M
2014 Q1 105 15.1 M $344 M