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 Q1 2026?

3 institutional investors reported MG - Mistras Group, Inc. - Common Stock, $0.01 par value for Q1 2026. Use the holders table for investor-level position and value details.

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

CUSIP: 60649T107

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class: Equity / Common Stock, $0.01 par value
Shares outstanding: 31,582,148
Total 13F shares: 924
Share change: +14
Total reported value: $13,658
Price per share: $14.78
Number of holders: 3
Value change: +$209
Number of buys: 2

Quarterly Holders Quick Answers

What is CUSIP 60649T107?
CUSIP 60649T107 identifies MG - Mistras Group, Inc. - Common Stock, $0.01 par value in SEC institutional holdings data.

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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Previous quarter: Q4 2025

Recent filing periods for CUSIP 60649T107:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders 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. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Stephanie Athena Foglia	13D/G	Stephanie Foglia	22%	6,862,978	$107,611,495	+$82,522,774	31 Dec 2025	13D/G
Aspasia Felice Vahaviolos	13D/G 3/4/5	Aspasia Vahaviolos · 10%+ Owner	19%	6,105,650	$95,736,592	$0	31 Dec 2025	13D/G 3/4/5
2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. Vahaviolos	3/4/5	10%+ Owner	17%	5,251,358	$75,567,041	—	31 Dec 2025	3/4/5
Sotirios J. Vahaviolos	3/4/5	Director, 10%+ Owner	— class O/S missing	3,890,699	$36,183,501	—	06 Mar 2024	3/4/5
Kristy Vahaviolos Kyriakopoulos	13D/G	Kristy Kyriakopoulos	5.1%	1,617,006	$25,354,654	$0	08 Jul 2025	13D/G
Mill Road Capital Management LLC	13F	Company	5.3%	1,672,681	$21,159,415	—	31 Dec 2025	13F
DIMENSIONAL FUND ADVISORS LP	13F 13D/G	Company	5.2% from 13D/G	1,667,846	$21,098,467	—	31 Dec 2025	13F 13D/G
WEBER CAPITAL MANAGEMENT LLC /ADV	13F	Company	4.7%	1,482,102	$18,748,590	—	31 Dec 2025	13F
ROYCE & ASSOCIATES LP	13F	Company	4.5%	1,421,087	$17,976,751	—	31 Dec 2025	13F
Mill Road Capital III, L.P.	13D/G	—	5.7%	1,763,304	$16,363,461	-$6,783,809	06 Mar 2025	13D/G
VANGUARD GROUP INC	13F	Company	3.5%	1,109,588	$14,036,289	—	31 Dec 2025	13F
IES Holdings, Inc.	13F	Company	3.4%	1,079,841	$13,659,989	—	31 Dec 2025	13F
BlackRock, Inc.	13F	Company	2.8%	880,712	$11,141,006	—	31 Dec 2025	13F
Clearline Capital LP	13F	Company	2.2%	698,849	$8,840,440	—	31 Dec 2025	13F
FEDERATED HERMES, INC.	13F	Company	2.1%	656,032	$8,298,805	—	31 Dec 2025	13F
Manuel N. Stamatakis	3/4/5	Executive Chairman, Director	1.6%	509,795	$7,478,692	+$77,100	04 Mar 2026	3/4/5
Invenomic Capital Management LP	13F	Company	1.5%	475,692	$6,017,504	—	31 Dec 2025	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	1.3%	403,043	$5,098,494	—	31 Dec 2025	13F
DEUTSCHE BANK AG\	13F	Company	1.2%	379,454	$4,800,093	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.1%	360,480	$4,561,503	—	31 Dec 2025	13F
STATE STREET CORP	13F	Company	1%	330,834	$4,185,050	—	31 Dec 2025	13F
Pacific Ridge Capital Partners, LLC	13F	Company	0.9%	283,829	$3,590,437	—	31 Dec 2025	13F
CSM Advisors, LLC	13F	Company	0.85%	269,301	$3,408,000	—	31 Dec 2025	13F
Dennis Bertolotti	3/4/5	President and CEO, Director	— class O/S missing	424,358	$3,089,326	—	30 Mar 2023	3/4/5
Empowered Funds, LLC	13F	Company	0.7%	221,436	$2,801,165	—	31 Dec 2025	13F
Michael J. Lange	3/4/5	Senior EVP	— class O/S missing	240,515	$2,686,553	—	25 Sep 2024	3/4/5
JB CAPITAL PARTNERS LP	13F	Company	0.64%	202,243	$2,558,374	—	31 Dec 2025	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.64%	201,600	$2,550,240	—	31 Dec 2025	13F
Nicholas DeBenedictis	3/4/5	Director	0.85%	266,958	$2,477,370	—	19 May 2025	3/4/5
Edward J. Prajzner	3/4/5	Sr. EVP and CFO	0.47%	148,076	$2,197,447	—	22 Mar 2026	3/4/5
D. E. Shaw & Co., Inc.	13F	Company	0.52%	163,788	$2,071,918	—	31 Dec 2025	13F
Qube Research & Technologies Ltd	13F	Company	0.52%	163,772	$2,071,716	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	0.51%	161,047	$2,037,244	—	31 Dec 2025	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.49%	156,277	$1,976,904	—	31 Dec 2025	13F
Natalia Shuman-Fabbri	3/4/5	President and CEO, Director	— mixed-class rows	161,190 mixed-class rows	$1,851,207	—	25 Feb 2026	3/4/5
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	13F	Company	0.45%	142,621	$1,804,156	—	31 Dec 2025	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.45%	140,785	$1,780,930	—	31 Dec 2025	13F
ALGERT GLOBAL LLC	13F	Company	0.43%	137,250	$1,736,000	—	31 Dec 2025	13F
J. Goldman & Co LP	13F	Company	0.42%	134,200	$1,697,630	—	31 Dec 2025	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.42%	132,955	$1,681,881	—	31 Dec 2025	13F
James J. Forese	3/4/5	Director	0.54%	170,181	$1,579,279	—	19 May 2025	3/4/5
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.39%	124,282	$1,572,167	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	0.36%	112,931	$1,428,577	—	31 Dec 2025	13F
Jonathan H. Wolk	3/4/5	Sr. EVP and COO	— class O/S missing	194,575	$1,416,506	—	03 Jan 2023	3/4/5
AMERIPRISE FINANCIAL INC	13F	Company	0.34%	105,993	$1,340,810	—	31 Dec 2025	13F
CITADEL ADVISORS LLC	13F	Company	0.33%	102,897	$1,301,647	—	31 Dec 2025	13F
Inspire Investing, LLC	13F	Company	0.32%	101,661	$1,286,012	—	31 Dec 2025	13F
Informed Momentum Co LLC	13F	Company	0.3%	96,263	$1,217,727	—	31 Dec 2025	13F
Squarepoint Ops LLC	13F	Company	0.29%	90,017	$1,138,715	—	31 Dec 2025	13F
RITHOLTZ WEALTH MANAGEMENT	13F	Company	0.27%	86,003	$1,087,938	—	31 Dec 2025	13F

Institutional Holders of Mistras Group, Inc. - Common Stock, $0.01 par value (MG) as of Q1 2026

As of 31 Mar 2026, Mistras Group, Inc. - Common Stock, $0.01 par value (MG) was held by 3 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 924 shares. The largest 3 holders included Investors Research Corp, GAMMA Investing LLC, and Farther Finance Advisors, LLC. This page lists 3 institutional shareholders reporting positions in this security for the Q1 2026 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

121

Q1 2026 holders

Holder diff

-118

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 Value $	Q1 2026 Value $	Value Diff $	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.