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Disclosery

MG MISTRAS GROUP INC

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COMMON STOCK (common), issuer CIK 1436126

108 managers (110 13F filers) reported a position in MG shares at 2025-03-31, 15,149,672 shares in all. 17 filers opened a position and 15 filers sold out during the quarter.

Managers
108
13F filers
110
New
17
Added
32
Reduced
38
Sold out
15
Shares held by filers
15,149,672

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, Q1 2025

Filers in the available 13F reports with a share position at 2025-03-31, 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$17.6M10.01%-56,80113F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP1,534,879$16.2M<0.01%+73,54013F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.1,418,738$15M<0.01%-61,62613F-HRTimelineGroup
ROYCE & ASSOCIATES LP1,384,847$14.7M0.16%-57,12013F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC1,216,345$12.9M<0.01%-4,27013F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.681,186$7.21M0.02%+43413F-HRTimelineGroup
J. Goldman & Co LP659,408$6.98M0.25%new13F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC455,751$4.82M<0.01%+21913F-HRTimelineGroup
Acuitas Investments, LLC424,062$4.49M3.82%+131,79813F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC407,138$4.31M0.11%-13,41413F-HRTimeline
Foundry Partners, LLC376,658$3.99M0.21%-2,36513F-HRTimeline
STATE STREET CORPin group STATE STREET CORP334,315$3.54M<0.01%+17,23613F-HRTimelineGroup
Pacific Ridge Capital Partners, LLC300,458$3.18M0.84%-13,95913F-HRTimeline
Invesco Ltd.in group Invesco Ltd.289,838$3.07M<0.01%+243,17513F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC262,000$2.77M<0.01%+107,50013F-HRTimeline
Empowered Funds, LLC218,088$2.31M0.03%+14,78613F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC209,781$2.22M0.01%-9,29413F-HRTimeline
JB CAPITAL PARTNERS LP202,243$2.14M0.45%013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY184,585$1.95M<0.01%+48,37413F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\167,988$1.78M<0.01%+7,23313F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC161,673$1.71M<0.01%+1,58613F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP160,562$1.7M<0.01%-30813F-HRTimelineGroup
Hillsdale Investment Management Inc.139,083$1.47M0.07%+121,78313F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.132,520$1.4M<0.01%+102,24913F-HRTimelineGroup
Inspire Investing, LLCgroup of 2 filers holding115,875$1.23M+69,871Timeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …114,946$1.22M<0.01%+6,41613F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding87,642$927K+36,157Timeline
Assenagon Asset Management S.A.87,255$923K<0.01%013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC81,506$862K<0.01%-77,10613F-HRTimelineGroup
Nuveen, LLCin group TIAA79,017$836K<0.01%13F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC76,853$813K<0.01%-22,91013F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC74,949$793K<0.01%-28,54213F-HR/ATimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC68,044$720K<0.01%-60,91813F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO63,894$676K<0.01%-29,77313F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp63,604$673K<0.01%-24713F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP62,720$664K<0.01%-13,37313F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP58,782$622K0.06%-18,36413F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co58,201$616K<0.01%-4513F-HR/ATimelineGroup
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC58,100$614K<0.01%new13F-HRTimelineGroup
RBF Capital, LLC58,000$614K0.04%013F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC52,058$551K<0.01%+29,23613F-HR/ATimelineGroup
O'SHAUGHNESSY ASSET MANAGEMENT, LLC49,814$527K<0.01%+8713F-HRTimeline
STRS OHIO49,300$522K<0.01%-2,60013F-HRTimeline
Qube Research & Technologies Ltd46,273$490K<0.01%+1,88013F-HRTimeline
Values First Advisors, Inc.43,322$458K0.27%-31613F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…41,484$439K<0.01%+3,53313F-HRTimelineGroup
Cubist Systematic Strategies, LLC39,829$421K0.01%new13F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC38,186$404K<0.01%+5,81213F-HRTimelineGroup
Clearline Capital LP38,136$403K0.04%new13F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P37,413$396K0.01%new13F-HRTimeline
UBS Group AGin group UBS Group AG26,003$275K<0.01%-35,33213F-HRTimelineGroup
Dynamic Technology Lab Private Ltd24,219$256K0.04%new13F-HRTimeline
NJ State Employees Deferred Compensatio…24,000$254K0.03%013F-HRTimeline
RITHOLTZ WEALTH MANAGEMENT23,898$253K0.01%-1,81413F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC22,449$238K<0.01%+8,80713F-HR/ATimelineGroup
LSV ASSET MANAGEMENT22,100$234K<0.01%013F-HRTimeline
RHUMBLINE ADVISERS21,645$229K<0.01%-1,37513F-HR/ATimeline
LAWSON KROEKER INVESTMENT MANAGEMENT IN…21,362$226K0.04%-82,90913F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC21,181$224K<0.01%-18,52513F-HR/ATimelineGroup
Engineers Gate Manager LP20,294$215K<0.01%-2,89913F-HRTimeline
OLD NATIONAL BANCORP /IN/20,000$212K0.01%013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS19,986$211K<0.01%-8,94313F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC15,879$168K<0.01%-1,48513F-HRTimelineGroup
EntryPoint Capital, LLC15,305$162K0.07%+4,04113F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/15,192$161K<0.01%-16,68913F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA13,860$147K<0.01%-7,98613F-HR/ATimelineGroup
MACKENZIE FINANCIAL CORP13,872$147K<0.01%013F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd13,529$143K0.01%-10,84813F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…13,018$138K<0.01%-1,96513F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…12,991$137K<0.01%+30113F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN12,880$136K<0.01%+56813F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…12,542$133K<0.01%+54613F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC11,990$127K<0.01%new13F-HRTimelineGroup
Heron Bay Capital Management11,880$126K0.03%-50813F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…11,787$125K<0.01%-7713F-HRTimelineGroup
IEQ CAPITAL, LLC11,633$123K<0.01%new13F-HRTimeline
Corebridge Financial, Inc.in group Corebridge Financial, Inc.10,277$109K<0.01%-15313F-HRTimelineGroup
Sterling Capital Management LLC7,469$79K<0.01%-31,30313F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND6,776$71.7K<0.01%013F-HR/ATimeline
State of Wyoming6,260$66.2K0.01%new13F-HRTimeline
Police & Firemen's Retirement System of…5,604$59.3K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC4,553$48K<0.01%+3,00613F-HRTimelineGroup
TD Waterhouse Canada Inc.2,870$30.1K<0.01%013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\1,976$20.9K<0.01%013F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…1,910$20K<0.01%new13F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc1,873$19.8K<0.01%013F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,720$18.2K<0.01%013F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…1,504$15.9K<0.01%013F-HRTimeline
FMR LLCin group FMR LLC1,491$15.8K<0.01%+15413F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,465$15.5K<0.01%-3,91413F-HRTimelineGroup
Investors Research Corp800$8.46K<0.01%013F-HRTimeline
Key Financial Inc785$8.3K<0.01%013F-HRTimeline
NewEdge Advisors, LLC690$7.3K<0.01%new13F-HRTimeline
AMALGAMATED BANK702$7K<0.01%013F-HRTimeline
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.614$6.5K<0.01%013F-HRTimelineGroup
Point72 Asia (Singapore) Pte. Ltd.503$5.32K<0.01%new13F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.332$4K<0.01%+213F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…315$3.33K<0.01%new13F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC146$1.54K<0.01%new13F-HRTimeline
True Wealth Design, LLC121$1.28K<0.01%+413F-HRTimeline
Quent Capital, LLC106$1.12K<0.01%013F-HRTimeline
GAMMA Investing LLC86$910<0.01%+6913F-HR/ATimeline
Lindbrook Capital, LLC85$899<0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…80$846<0.01%+4213F-HRTimelineGroup
IFP Advisors, Inc16$169<0.01%013F-HRTimeline
Archer Investment Corp10$106<0.01%013F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…8$85<0.01%new13F-HRTimelineGroup
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