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Disclosery

MG MISTRAS GROUP INC

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COMMON STOCK (common), issuer CIK 1436126

110 managers (111 13F filers) reported a position in MG shares at 2025-09-30, 15,916,123 shares in all. 13 filers opened a position and 11 filers sold out during the quarter.

Managers
110
13F filers
111
New
13
Added
30
Reduced
45
Sold out
11
Shares held by filers
15,916,123

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

Insider trades

The latest Form 4 transactions, non-derivative.
OwnerDateSharesPriceFiling
Vahaviolos Aspasia Felice10% owner2026-09-10+387,093 G$0Form 4/A

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Mill Road Capital Management LLCin group Mill Road Capital Management …1,672,381$16.5M8.57%+4,70013F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP1,633,327$16.1M<0.01%+10,18613F-HRTimelineGroup
ROYCE & ASSOCIATES LP1,342,747$13.2M0.13%+71,49013F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC1,165,054$11.5M<0.01%-29,93913F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.1,058,273$10.4M<0.01%-165,88513F-HRTimelineGroup
Clearline Capital LP698,849$6.88M0.59%013F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.680,245$6.69M0.01%-58013F-HRTimelineGroup
Acuitas Investments, LLC643,483$6.33M4.06%+219,42113F-HR/ATimeline
Invenomic Capital Management LP472,536$4.65M0.24%new13F-HRTimeline
J. Goldman & Co LP421,920$4.15M0.16%-341,97113F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC408,283$4.02M0.09%-10,45413F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC407,663$4.01M<0.01%-10,09013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP369,400$3.63M<0.01%-38,06613F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC357,513$3.52M<0.01%+117,33413F-HRTimelineGroup
Pacific Ridge Capital Partners, LLC290,650$2.86M0.63%-5,96713F-HRTimeline
CSM Advisors, LLC268,851$2.65M0.07%-95,12213F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC240,318$2.36M<0.01%+141,69913F-HRTimelineGroup
Empowered Funds, LLC224,633$2.21M0.02%-5,05413F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\210,040$2.07M<0.01%+46,70013F-HRTimelineGroup
JB CAPITAL PARTNERS LP202,243$1.99M0.34%013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP194,806$1.92M<0.01%-12,62913F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC180,800$1.78M<0.01%-80,20013F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC175,331$1.73M<0.01%+119,82613F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC147,146$1.45M0.01%-76,78213F-HRTimeline
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding140,852$1.39M+52,121Timeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.135,797$1.34M<0.01%+22,00413F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY112,775$1.11M<0.01%-35,19013F-HR/ATimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/112,560$1.11M<0.01%+89,91613F-HR/ATimelineGroup
Qube Research & Technologies Ltd104,727$1.03M<0.01%-7,09713F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC103,394$1.02M<0.01%-64,55413F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC97,077$955K<0.01%+57,74213F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC89,480$880K<0.01%-8,03313F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP85,934$846K0.07%new13F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …81,930$806K<0.01%-71,38213F-HRTimelineGroup
MARTINGALE ASSET MANAGEMENT L P74,038$729K0.02%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA70,284$692K<0.01%-21,12313F-HRTimelineGroup
Nuveen, LLCin group TIAA67,936$668K<0.01%-11,08113F-HRTimelineGroup
Raiffeisen Bank International AGin group Raiffeisen Bank International…65,000$644K0.01%+10,00013F-HRTimelineGroup
RBF Capital, LLC58,000$571K0.03%013F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp56,679$558K<0.01%-2,80213F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP55,483$546K<0.01%new13F-HRTimelineGroup
STRS OHIO53,100$523K<0.01%013F-HRTimeline
LSV ASSET MANAGEMENT51,001$502K<0.01%013F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co48,249$475K<0.01%013F-HRTimelineGroup
O'SHAUGHNESSY ASSET MANAGEMENT, LLC48,075$473K<0.01%+12,53613F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC47,410$467K<0.01%-8813F-HRTimelineGroup
Values First Advisors, Inc.42,588$419K0.22%-81913F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…37,562$370K<0.01%-2,07913F-HRTimelineGroup
SIMPLEX TRADING, LLC36,339$357K0.01%+33,22613F-HRTimeline
PANAGORA ASSET MANAGEMENT INC33,864$333K<0.01%+24413F-HRTimeline
Invesco Ltd.in group Invesco Ltd.33,500$330K<0.01%-4,25413F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources31,836$313K<0.01%new13F-HRTimelineGroup
Inspire Advisors, LLCin group Inspire Investing, LLC29,926$294K0.03%-16,11413F-HRTimelineGroup
ExodusPoint Capital Management, LP29,828$294K<0.01%new13F-HRTimeline
NJ State Employees Deferred Compensatio…24,000$236K0.03%013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC23,208$228K<0.01%-6,31613F-HR/ATimelineGroup
UBS Group AGin group UBS Group AG22,564$222K<0.01%-2,39513F-HRTimelineGroup
RITHOLTZ WEALTH MANAGEMENT22,300$219K<0.01%+7,11213F-HRTimeline
LAWSON KROEKER INVESTMENT MANAGEMENT IN…21,362$210K0.04%013F-HRTimeline
WOLVERINE TRADING, LLC20,556$204K<0.01%new13F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC20,560$202K<0.01%-1,47513F-HRTimelineGroup
OLD NATIONAL BANCORP /IN/20,000$197K<0.01%013F-HRTimeline
RHUMBLINE ADVISERS19,765$194K<0.01%-35513F-HRTimeline
EntryPoint Capital, LLC19,264$190K0.07%-7,34913F-HRTimeline
Assenagon Asset Management S.A.18,058$178K<0.01%-69,19713F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC16,717$164K<0.01%+2,54413F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC15,946$157K<0.01%+38013F-HRTimelineGroup
Heron Bay Capital Management15,073$148K0.03%+4,60413F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN13,622$134K<0.01%+3,05913F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.13,580$134K<0.01%013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…13,018$128K<0.01%013F-HRTimeline
MACKENZIE FINANCIAL CORP10,893$107K<0.01%-2,97913F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/10,437$103K<0.01%013F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…7,692$75.7K<0.01%-1,30513F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS7,417$73K<0.01%+1,36013F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO7,130$70.2K<0.01%-75513F-HR/ATimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND6,776$66.7K<0.01%013F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…5,970$58.7K<0.01%-5,81713F-HRTimelineGroup
FMR LLCin group FMR LLC3,836$37.7K<0.01%+1,31313F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…3,830$37.7K<0.01%new13F-HRTimelineGroup
Police & Firemen's Retirement System of…3,591$35.3K<0.01%-2,01313F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP3,426$33.2K<0.01%new13F-HRTimelineGroup
LOM Asset Management Ltd3,000$30K0.01%013F-HRTimeline
TD Waterhouse Canada Inc.2,870$29.3K<0.01%013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC2,560$25.2K<0.01%-2,96313F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…2,293$22.6K<0.01%+2,18213F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,720$16.9K<0.01%013F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…1,496$15K<0.01%-41413F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc1,521$15K<0.01%013F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…1,505$14.8K<0.01%+113F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,448$14.2K<0.01%-1,35613F-HRTimelineGroup
Sterling Capital Management LLC1,136$11.2K<0.01%-6,41513F-HRTimeline
CWM, LLCin group CWM, LLC1,083$11K<0.01%-54013F-HRTimelineGroup
Investors Research Corp800$7.87K<0.01%013F-HRTimeline
AMALGAMATED BANK702$7K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC437$4.3K<0.01%013F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.270$2.66K<0.01%new13F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.260$2.56K<0.01%013F-HRTimelineGroup
HARBOR CAPITAL ADVISORS, INC.193$2K<0.01%+513F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…176$1.73K<0.01%-1013F-HRTimelineGroup
Quent Capital, LLC106$1.04K<0.01%new13F-HRTimeline
Arax Advisory Partners98$964<0.01%new13F-HRTimeline
GAMMA Investing LLC29$285<0.01%+1213F-HRTimeline
SBI Securities Co., Ltd.28$276<0.01%new13F-HRTimeline
Essential Partners LLC28$276<0.01%-3913F-HRTimeline
IFP Advisors, Inc20$197<0.01%+2013F-HR/ATimeline
Advisory Services Network, LLC12$118<0.01%new13F-HRTimeline
Archer Investment Corp10$98<0.01%013F-HRTimeline
True Wealth Design, LLC2$20<0.01%-613F-HRTimeline
Covestor Ltd13$00%+913F-HRTimelineValue filed as zero, left out of ratios.

Events

  • Vahaviolos Aspasia Felice acquired 387,093 MG shares on 2026-09-10, Form 4/A filed 2026-10-07. 0002082296-26-000011

    Accepted , ingested

  • Foglia Stephanie Athena and 2 other reporting persons reported 6,084,508 MG shares, 19.1% of the class, as of 2026-09-17, in a 13D/A filed 2026-10-07. 0001104659-26-114355

    Accepted , ingested