DIMENSIONAL FUND ADVISORS LP

Position in MG — Mistras Group, Inc.

CIK 354204 AUSTIN, TX

Back to MG Full portfolio

Position in MG

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$29,712,852

+$4,532,449 QoQ

Shares Held

1,700,793

-0.2% QoQ

Ownership

5.34%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

of 136 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 93% Shared 5% None 2%

Common Shares in MG Over Time

Shares Held

Position Value (USD)

Position in Security & Protection Services

Industrials · as of Jun 30, 2026

DIMENSIONAL FUND ADVISORS LP holds $871,749,389 across 12 Security & Protection Services names. MG ranks #6 (3.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ADT	ADT Inc.	43,246,525	$281,102,411
2	ALLE	Allegion plc	1,090,624	$153,221,764
3	BRC	Brady Corp	1,548,727	$141,816,929
4	MSA	MSA Safety Inc	773,699	$135,072,370
5	BCO	Brinks Co	888,348	$83,940,000
6	MG	Mistras Group, Inc. This page	1,700,793	$29,712,852
7	NSSC	Napco Security Technologies, Inc	725,550	$27,556,387
8	NL	Nli Holdings, Inc.	2,058,135	$12,245,901

All Filings in MG

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27 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$29,712,852	1,700,793	-0.2%	Shares	Sole	2026-08-11
2026-03-31	$25,180,403	1,703,681	+2.1%	Shares	Sole	2026-05-07
2025-12-31	$21,098,249	1,667,846	+2.1%	Shares	Sole	2026-02-12
2025-09-30	$16,071,935	1,633,327	+0.6%	Shares	Sole	2025-11-12
2025-06-30	$13,001,358	1,623,141	+5.8%	Shares	Sole	2025-08-12
2025-06-30	$13,001,359	1,623,141	—	Shares	Sole	2025-07-15
2025-03-31	$16,239,018	1,534,879	+5.0%	Shares	Sole	2025-05-13
2024-12-31	$13,239,729	1,461,339	+7.6%	Shares	Sole	2025-02-13
2024-09-30	$15,448,123	1,358,674	+3.6%	Shares	Sole	2024-11-07
2024-06-30	$10,874,115	1,311,715	+3.5%	Shares	Sole	2024-08-09
2024-03-31	$12,114,095	1,267,165	+7.3%	Shares	Sole	2024-05-10
2023-12-31	$8,648,366	1,181,471	-0.6%	Shares	Sole	2024-02-07
2023-09-30	$6,476,516	1,188,352	-1.0%	Shares	Sole	2023-11-09
2023-06-30	$9,266,129	1,200,276	+7.9%	Shares	Sole	2023-08-09
2023-03-31	$7,542,659	1,112,487	+2.8%	Shares	Sole	2023-05-12
2022-12-31	$5,331,648	1,082,170	-1.4%	Shares	Sole	2023-02-09
2022-09-30	$4,893,608	1,097,222	+1.5%	Shares	Sole	2022-11-10
2022-06-30	$6,423,022	1,081,317	+8.5%	Shares	Sole	2022-08-12
2022-03-31	$6,587,763	996,636	+3.8%	Shares	Defined	2022-05-13
2021-12-31	$7,131,804	959,866	-4.6%	Shares	Defined	2022-02-09
2021-09-30	$10,220,614	1,005,966	-9.6%	Shares	Defined	2021-11-12
2021-06-30	$10,938,774	1,112,795	+1.0%	Shares	Defined	2021-08-12
2021-03-31	$12,572,405	1,101,876	-3.0%	Shares	Defined	2021-05-14
2020-12-31	$8,813,117	1,135,711	-5.3%	Shares	Defined	2021-03-08
2020-09-30	$4,689,306	1,199,311	-13.9%	Shares	Defined	2020-11-12
2020-06-30	$5,500,560	1,392,547	-5.4%	Shares	Defined	2020-08-13
2020-03-31	$6,269,629	1,471,744	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.