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Disclosery

MG MISTRAS GROUP INC

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COMMON STOCK (common), issuer CIK 1436126

109 managers (110 13F filers) reported a position in MG shares at 2025-06-30, 15,627,353 shares in all. 15 filers opened a position and 15 filers sold out during the quarter.

Managers
109
13F filers
110
New
15
Added
32
Reduced
39
Sold out
15
Shares held by filers
15,627,353

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, Q2 2025

Filers in the available 13F reports with a share position at 2025-06-30, 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 …1,667,681$13.4M8.55%013F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP1,623,141$13M<0.01%+88,26213F-HRTimelineGroup
ROYCE & ASSOCIATES LP1,271,257$10.2M0.1%-113,59013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.1,224,158$9.81M<0.01%-194,58013F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC1,194,993$9.57M<0.01%-21,35213F-HRTimelineGroup
J. Goldman & Co LP763,891$6.12M0.19%+104,48313F-HRTimeline
Clearline Capital LP698,849$5.6M0.49%+660,71313F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.680,825$5.45M0.01%-36113F-HRTimelineGroup
Acuitas Investments, LLC424,062$3.4M2.7%013F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC418,737$3.35M0.08%+11,59913F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC417,753$3.35M<0.01%-37,99813F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP407,466$3.26M<0.01%+73,15113F-HRTimelineGroup
CSM Advisors, LLC363,973$2.92M0.09%new13F-HRTimeline
Pacific Ridge Capital Partners, LLC296,617$2.38M0.57%-3,84113F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC261,000$2.09M<0.01%-1,00013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC240,179$1.92M<0.01%+163,32613F-HRTimelineGroup
Empowered Funds, LLC229,687$1.84M0.02%+11,59913F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC223,928$1.79M0.01%+14,14713F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP207,435$1.66M<0.01%+46,87313F-HRTimelineGroup
JB CAPITAL PARTNERS LP202,243$1.62M0.3%013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC167,948$1.35M<0.01%+6,27513F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\163,340$1.31M<0.01%-4,64813F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …153,312$1.23M<0.01%+38,36613F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY147,965$1.19M<0.01%-36,62013F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.113,793$911K<0.01%-18,72713F-HRTimelineGroup
Qube Research & Technologies Ltd111,824$896K<0.01%+65,55113F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC98,619$790K<0.01%+17,11313F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC97,513$781K<0.01%new13F-HR/ATimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA91,407$732K<0.01%+77,54713F-HR/ATimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding88,731$711K+1,089Timeline
Assenagon Asset Management S.A.87,255$699K<0.01%013F-HRTimeline
Nuveen, LLCin group TIAA79,017$633K<0.01%013F-HRTimelineGroup
MARTINGALE ASSET MANAGEMENT L P74,038$593K0.01%+36,62513F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp59,481$476K<0.01%-4,12313F-HRTimelineGroup
RBF Capital, LLC58,000$465K0.02%013F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd56,753$455K0.02%+43,22413F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC55,505$445K<0.01%-19,44413F-HRTimelineGroup
Raiffeisen Bank International AGin group Raiffeisen Bank International…55,000$431K0.01%new13F-HRTimelineGroup
STRS OHIO53,100$425K<0.01%+3,80013F-HRTimeline
LSV ASSET MANAGEMENT51,001$409K<0.01%+28,90113F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co48,249$386K<0.01%-9,95213F-HRTimelineGroup
HRT FINANCIAL LP48,108$385K<0.01%new13F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC47,498$380K<0.01%+9,31213F-HRTimelineGroup
Inspire Investing, LLCgroup of 2 filers holding46,040$369K-69,835Timeline
Values First Advisors, Inc.43,407$348K0.19%+8513F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…39,641$318K<0.01%-1,84313F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC39,335$315K<0.01%-12,72313F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.37,754$302K<0.01%-252,08413F-HRTimelineGroup
O'SHAUGHNESSY ASSET MANAGEMENT, LLC35,539$285K<0.01%-14,27513F-HRTimeline
Dynamic Technology Lab Private Ltd35,253$282K0.04%+11,03413F-HRTimeline
PANAGORA ASSET MANAGEMENT INC33,620$269K<0.01%new13F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC29,524$236K<0.01%+8,34313F-HR/ATimelineGroup
EntryPoint Capital, LLC26,613$213K0.11%+11,30813F-HRTimeline
UBS Group AGin group UBS Group AG24,959$200K<0.01%-1,04413F-HRTimelineGroup
NJ State Employees Deferred Compensatio…24,000$192K0.02%013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/22,644$181K<0.01%+7,45213F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC22,035$176K<0.01%-41413F-HRTimelineGroup
LAWSON KROEKER INVESTMENT MANAGEMENT IN…21,362$171K0.03%013F-HRTimeline
RHUMBLINE ADVISERS20,120$161K<0.01%-1,52513F-HRTimeline
OLD NATIONAL BANCORP /IN/20,000$160K<0.01%013F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management19,392$155K<0.01%new13F-HRTimelineGroup
EVERGREEN CAPITAL MANAGEMENT LLC17,000$136K<0.01%new13F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC15,566$125K<0.01%-52,47813F-HRTimelineGroup
RITHOLTZ WEALTH MANAGEMENT15,188$122K<0.01%-8,71013F-HRTimeline
Engineers Gate Manager LP14,355$115K<0.01%-5,93913F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC14,310$115K<0.01%new13F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC14,173$114K<0.01%+2,18313F-HRTimelineGroup
MACKENZIE FINANCIAL CORP13,872$111K<0.01%013F-HRTimeline
ALLIANCEBERNSTEIN L.P.13,580$109K<0.01%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…13,018$104K<0.01%013F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…11,787$94.4K<0.01%013F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN10,563$84.6K<0.01%-2,31713F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/10,437$84K<0.01%new13F-HRTimeline
Heron Bay Capital Management10,469$83.9K0.02%-1,41113F-HRTimeline
Campbell & CO Investment Adviser LLC10,086$80.8K0.01%new13F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…8,997$72.1K<0.01%-3,54513F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO7,885$63.2K<0.01%-56,00913F-HRTimelineGroup
Sterling Capital Management LLC7,551$60.5K<0.01%+8213F-HR/ATimeline
NEW YORK STATE COMMON RETIREMENT FUND6,776$54.3K<0.01%013F-HR/ATimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS6,057$48.5K<0.01%-13,92913F-HRTimelineGroup
Police & Firemen's Retirement System of…5,604$44.9K<0.01%013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC5,523$44.2K<0.01%-10,35613F-HRTimelineGroup
SIMPLEX TRADING, LLC3,113$24K<0.01%new13F-HRTimeline
LOM Asset Management Ltd3,000$24K0.01%13F-HR/ATimeline
TD Waterhouse Canada Inc.2,870$23K<0.01%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,804$22.5K<0.01%+1,33913F-HRTimelineGroup
FMR LLCin group FMR LLC2,523$20.2K<0.01%+1,03213F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…1,910$15K<0.01%013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\1,798$14.4K<0.01%-17813F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,720$13.8K<0.01%013F-HRTimelineGroup
CWM, LLCin group CWM, LLC1,623$13K<0.01%-2,93013F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc1,521$12.2K<0.01%-35213F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…1,504$12K<0.01%013F-HRTimeline
Investors Research Corp800$6.41K<0.01%013F-HRTimeline
AMALGAMATED BANK702$6K<0.01%013F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC746$5K<0.01%-57,35413F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC437$3.5K<0.01%+29113F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.260$2.08K<0.01%new13F-HR/ATimelineGroup
HARBOR CAPITAL ADVISORS, INC.188$2K<0.01%-14413F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…186$1.49K<0.01%+10613F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…111$889<0.01%-20413F-HRTimelineGroup
Essential Partners LLC67$537<0.01%13F-HRTimeline
Clearstead Advisors, LLC64$513<0.01%new13F-HRTimeline
IFP Advisors, Inc0$488<0.01%-1613F-HRTimelineAmount filed as zero, left out of ratios.
GAMMA Investing LLC17$136<0.01%-6913F-HRTimeline
Archer Investment Corp10$80<0.01%013F-HRTimeline
True Wealth Design, LLC8$65<0.01%-11313F-HRTimeline
Covestor Ltd4$00%new13F-HRTimelineValue filed as zero, left out of ratios.
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0013F-HRTimelineValue filed as zero, left out of ratios. Amount 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