HARBOR CAPITAL ADVISORS, INC.

Position in MG — Mistras Group, Inc.

CIK 1039128 CHICAGO, IL

Position in MG

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$6,586

+$1,014 QoQ

Shares Held

377

0.0% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#114

of 136 holders

Holding Since

Sep 2024

8 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

HARBOR CAPITAL ADVISORS, INC. holds $3,520,864 across 6 Security & Protection Services names. MG ranks #4 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BCO	Brinks Co	16,720	$1,579,872
2	GEO	Geo Group Inc	38,295	$1,131,617
3	NSSC	Napco Security Technologies, Inc	21,137	$802,783
4	MG	Mistras Group, Inc. This page	377	$6,586
5	CIX	Compx International Inc	177	$4
6	NL	Nli Holdings, Inc.	379	$2

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$6,586	377	0.0%	Shares	Sole	2026-08-07
2026-03-31	$5,572	377	+98.4%	Shares	Sole	2026-04-28
2025-12-31	$2	190	-1.6%	Shares	Sole	2026-01-20
2025-09-30	$1,899	193	+2.7%	Shares	Sole	2025-10-15
2025-06-30	$2	188	-43.4%	Shares	Sole	2025-07-09
2025-03-31	$4	332	+0.6%	Shares	Sole	2025-04-14
2024-12-31	$2,989	330	-1.5%	Shares	Sole	2025-01-10
2024-09-30	$3,808	335	—	Shares	Sole	2024-10-29
No filing history on record for this holder in this stock.