What does CUSIP 60649T107 represent in this 13F holders report?

CUSIP 60649T107 is the security identifier for MG - Mistras Group, Inc. - Common Stock, $0.01 par value used to aggregate holder disclosures.

How many institutions held MG - Mistras Group, Inc. - Common Stock, $0.01 par value in Q2 2026?

28 institutional investors reported MG - Mistras Group, Inc. - Common Stock, $0.01 par value for Q2 2026. Use the holders table for investor-level position and value details.

Mistras Group, Inc. - Common Stock, $0.01 par value (MG)

CUSIP: 60649T107

Q2 2026 13F Holders as of 30 Jun 2026

Security type / class: Equity / Common Stock, $0.01 par value
Total 13F shares: 437,796
Total 13F value: $7,581,709
Share change: +76,828
SEC-reported price per share: $17.47
Number of holders: 28
Value change: +$1,278,534
Number of buys: 13
Number of sells: 5
Shares outstanding: 31,812,554

Security key

60649T107

Report period

Q2 2026

Institutions

Top holders

MG full security history Ownership snapshot Full 13F holder table Mistras Group, Inc. SEC filings Mistras Group, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 60649T107

Recent filing periods:

Q2 2026

Ownership snapshot

Top reported holders of MG - Mistras Group, Inc. - Common Stock, $0.01 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Aspasia Felice Vahaviolos

Disclosed value leader

Stephanie Athena Foglia

Comparable rows

15/15

Latest evidence

10 Jun 2026

13D/G 3/4/5 13F Lead comparable stake: 19% 13D/G row: Aspasia Felice Vahaviolos Showing 1-6 of 15 holder rows.

Quick read

Aspasia Felice Vahaviolos leads the comparable SEC ownership view at 19%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Aspasia Felice Vahaviolos's linked filing trail.

Comparable ownership Top 5

Aspasia Felice Vahaviolos 19%

Stephanie Athena Foglia 19%

Mill Road Capital III, L.P. 5.9%

DIMENSIONAL FUND ADVISORS LP 5.2%

Kristy Vahaviolos Kyriakopoulos 5.1%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Aspasia Felice Vahaviolos	13D/G 3/4/5 Aspasia Vahaviolos · 10%+ Owner 13D/G 3/4/5	19%	$95,736,592 6,105,650 shares	$0	31 Dec 2025
Stephanie Athena Foglia	13D/G 3/4/5 Stephanie Foglia · 10%+ Owner 13D/G 3/4/5	19%	$101,656,379 5,917,135 shares	-$7,076,012	10 Jun 2026
Mill Road Capital III, L.P.	13D/G 13D/G	5.9%	$27,647,172 1,870,580 shares	+$1,585,539	21 Apr 2026
DIMENSIONAL FUND ADVISORS LP	13F 13D/G Company 13F 13D/G	5.2% from 13D/G	$25,180,276 1,703,681 shares	—	31 Mar 2026
Kristy Vahaviolos Kyriakopoulos	13D/G Kristy Kyriakopoulos 13D/G	5.1%	$25,354,654 1,617,006 shares	$0	08 Jul 2025
2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. Vahaviolos	3/4/5 10%+ Owner 3/4/5	18%	$85,130,359 5,759,835 shares	-$61,700	10 Jun 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

437,796

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders

129

Q2 2026 holders

Holder diff

-101

Investor	Q1 2026 Shares	Q2 2026 Shares	Share Diff	Share Chg %	Q1 2026 value	Q2 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend