BRIDGEWAY CAPITAL MANAGEMENT, LLC

Position in MG — Mistras Group, Inc.

CIK 1107261 HOUSTON, TX

Position in MG

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$6,190,861

+$953,258 QoQ

Shares Held

354,371

0.0% QoQ

Ownership

1.11%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

#13

of 136 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

BRIDGEWAY CAPITAL MANAGEMENT, LLC holds $26,347,101 across 5 Security & Protection Services names. MG ranks #2 (23.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CXW	CoreCivic, Inc.	567,831	$17,250,705
2	MG	Mistras Group, Inc. This page	354,371	$6,190,861
3	NL	Nli Holdings, Inc.	310,993	$1,850,408
4	CIX	Compx International Inc	22,667	$564,408
5	BAER	Bridger Aerospace Group Holdings, Inc.	255,583	$490,719

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$6,190,861	354,371	0.0%	Shares	Sole	2026-08-14
2026-03-31	$5,237,603	354,371	-12.1%	Shares	Sole	2026-05-15
2025-12-31	$5,098,493	403,043	-1.3%	Shares	Sole	2026-02-17
2025-09-30	$4,017,504	408,283	-2.5%	Shares	Sole	2025-11-14
2025-06-30	$3,354,083	418,737	+2.8%	Shares	Sole	2025-08-14
2025-03-31	$4,307,520	407,138	-3.2%	Shares	Sole	2025-05-15
2024-12-31	$3,810,201	420,552	+1.5%	Shares	Sole	2025-02-14
2024-09-30	$4,711,318	414,364	+2.4%	Shares	Sole	2024-11-14
2024-06-30	$3,353,984	404,582	-3.8%	Shares	Sole	2024-08-14
2024-03-31	$4,020,381	420,542	-3.2%	Shares	Sole	2024-05-15
2023-12-31	$3,180,964	434,558	+3.4%	Shares	Sole	2024-02-14
2023-09-30	$2,290,907	420,350	-0.1%	Shares	Sole	2023-11-14
2023-06-30	$3,249,023	420,858	+1.1%	Shares	Sole	2023-08-14
2023-03-31	$2,822,310	416,270	+13.0%	Shares	Sole	2023-05-15
2022-12-31	$1,815,719	368,300	0.0%	Shares	Sole	2023-02-14
2022-09-30	$1,642,618	368,300	+30.2%	Shares	Sole	2022-11-14
2022-06-30	$1,680,426	282,900	0.0%	Shares	Sole	2022-08-15
2022-03-31	$1,869,969	282,900	-28.6%	Shares	Sole	2022-05-16
2021-12-31	$2,944,375	396,282	+3.2%	Shares	Sole	2022-02-14
2021-09-30	$3,902,456	384,100	0.0%	Shares	Sole	2021-11-15
2021-06-30	$3,775,703	384,100	-8.1%	Shares	Sole	2021-08-16
2021-03-31	$4,768,239	417,900	+10.0%	Shares	Sole	2021-05-17
2020-12-31	$2,947,248	379,800	+16.3%	Shares	Sole	2021-02-16
2020-09-30	$1,277,397	326,700	+43.4%	Shares	Sole	2020-11-16
2020-06-30	$900,205	227,900	0.0%	Shares	Sole	2020-08-31
2020-03-31	$970,854	227,900	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.