SEC 13F Intelligence

MGMISTRAS GROUP INC

CUSIP 60649T107 · Yahoo Finance ↗ · Google Finance ↗

Mistras Group Inc (MG) has 128 institutional holders in Filings Flow’s 13F database, together reporting 18.19M shares worth $257M as of Q1 2026. The largest reported holders are Mill Road Capital Management LLC, Dimensional Fund Advisors LP, and Royce & Associates LP.

Institutional Holders
128
Q1 2026
Reported Value
$257M
Ticker
MG
Quarters Tracked
10

Ownership Trend

Institutional holders
Q4 ’18: 75Q4 ’18Q1 ’19: 73Q2 ’19: 69Q2 ’19Q3 ’19: 77Q2 ’21: 68Q2 ’21Q4 ’21: 70Q4 ’22: 49Q4 ’22Q4 ’25: 122Q1 ’26: 128Q1 ’26Q2 ’26: 7filingsflow.com
Total reported value
Q4 ’18: $103MQ4 ’18Q1 ’19: $150MQ2 ’19: $143MQ2 ’19Q3 ’19: $514MQ2 ’21: $142MQ2 ’21Q4 ’21: $227MQ4 ’22: $40MQ4 ’22Q4 ’25: $216MQ1 ’26: $257MQ1 ’26Q2 ’26: $4Mfilingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
WEBER CAPITAL MANAGEMENT LLC /ADV$100M AUM21.51%$22M1.46MQ1 2026OLDER
Mill Road Capital Management LLC$191M AUM14.49%$28M1.87MQ1 2026OLDER
IES Holdings, Inc.$214M AUM7.74%$17M1.12MQ1 2026OLDER
Pacific Ridge Capital Partners, LLC$462M AUM0.91%$4M285.3KQ1 2026OLDER
ESSEX INVESTMENT MANAGEMENT CO LLC$632M AUM0.63%$4M268.6KQ1 2026OLDER
JB CAPITAL PARTNERS LP$581M AUM0.51%$3M202.2KQ1 2026OLDER
Clearline Capital LP$1.9B AUM0.43%$8M554.1KQ1 2026OLDER
Invenomic Capital Management LP$2.2B AUM0.31%$7M452.6KQ1 2026OLDER
Values First Advisors, Inc.$192M AUM0.27%$522,13135.3KQ1 2026OLDER
ROYCE & ASSOCIATES LP$10.1B AUM0.22%$23M1.53MQ1 2026OLDER
Manatuck Hill Partners, LLC$370M AUM0.20%$739,00050.0KQ1 2026OLDER
Informed Momentum Co LLC$866M AUM0.16%$1M96.3KQ1 2026OLDER
Inspire Investing, LLC$1.7B AUM0.14%$2M115.8KQ1 2026OLDER
Knights of Columbus Asset Advisors LLC$1.8B AUM0.12%$2M140.1KQ1 2026OLDER
Ellsworth Advisors, LLC$609M AUM0.11%$679,17242.3KQ2 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC$5.0B AUM0.11%$5M354.4KQ1 2026OLDER
EntryPoint Capital, LLC$341M AUM0.09%$301,89620.4KQ1 2026OLDER
J. Goldman & Co LP$3.4B AUM0.04%$2M134.2KQ4 2025OLDER
RBF Capital, LLC$2.0B AUM0.04%$812,90055.0KQ1 2026OLDER
LAWSON KROEKER INVESTMENT MANAGEMENT INC/NE$343M AUM0.04%$210,20221.4KQ3 2025OLDER
Heron Bay Capital Management$1.1B AUM0.04%$184,23514.6KQ4 2025OLDER
Inspire Advisors, LLC$1.2B AUM0.03%$294,47429.9KQ3 2025OLDER
RITHOLTZ WEALTH MANAGEMENT$5.8B AUM0.03%$2M104.8KQ1 2026OLDER
Empowered Funds, LLC$15.7B AUM0.02%$3M225.5KQ2 2026
FEDERATED HERMES, INC.$61.5B AUM0.02%$10M656.0KQ1 2026OLDER
Raiffeisen Bank International AG$7.0B AUM0.01%$949,00065.0KQ1 2026OLDER
Kemnay Advisory Services Inc.$622M AUM0.01%$82,0295.5KQ1 2026OLDER
LOM Asset Management Ltd$348M AUM0.01%$44,3403.0KQ1 2026OLDER
Hillsdale Investment Management Inc.$3.7B AUM0.01%$393,14826.6KQ1 2026OLDER
O'SHAUGHNESSY ASSET MANAGEMENT, LLC$20.1B AUM0.01%$2M135.2KQ1 2026OLDER
MARTINGALE ASSET MANAGEMENT L P$4.0B AUM0.01%$380,32330.1KQ4 2025OLDER
JACOBS LEVY EQUITY MANAGEMENT, INC$23.8B AUM0.01%$2M114.5KQ1 2026OLDER
First Eagle Investment Management, LLC$59.0B AUM0.01%$4M281.5KQ1 2026OLDER
DIMENSIONAL FUND ADVISORS LP$481.4B AUM0.01%$25M1.70MQ1 2026OLDER
OLD NATIONAL BANCORP /IN/$6.0B AUM0.00%$295,60020.0KQ1 2026OLDER
Trexquant Investment LP$13.9B AUM0.00%$649,25643.9KQ1 2026OLDER
PEAK6 LLC$42.6B AUM0.00%$2M175.9KQ4 2025OLDER
Qube Research & Technologies Ltd$89.9B AUM0.00%$3M218.0KQ1 2026OLDER
Engineers Gate Manager LP$8.0B AUM0.00%$259,65517.6KQ1 2026OLDER
ExodusPoint Capital Management, LP$12.6B AUM0.00%$293,50829.8KQ3 2025OLDER
SEI INVESTMENTS CO$108.4B AUM0.00%$3M204.8KQ1 2026OLDER
RENAISSANCE TECHNOLOGIES LLC$63.9B AUM0.00%$2M120.5KQ1 2026OLDER
TWO SIGMA INVESTMENTS, LP$123.9B AUM0.00%$3M231.3KQ1 2026OLDER
Brevan Howard Capital Management LP$11.3B AUM0.00%$229,88818.2KQ4 2025OLDER
Investors Research Corp$523M AUM0.00%$11,824800Q1 2026OLDER
PANAGORA ASSET MANAGEMENT INC$26.7B AUM0.00%$516,20634.9KQ1 2026OLDER
STRS OHIO$25.2B AUM0.00%$468,52631.7KQ1 2026OLDER
DEUTSCHE BANK AG\$302.7B AUM0.00%$6M379.5KQ1 2026OLDER
LAZARD ASSET MANAGEMENT LLC$60.8B AUM0.00%$1M70.4KQ1 2026OLDER
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC$49.1B AUM0.00%$615,58040.2KQ1 2026OLDER
Torren Management, LLC$201M AUM0.00%$1,862126Q1 2026OLDER
D. E. Shaw & Co., Inc.$166.3B AUM0.00%$1M86.0KQ1 2026OLDER
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO$30.9B AUM0.00%$192,40613.0KQ1 2026OLDER
FIRST TRUST ADVISORS LP$140.0B AUM0.00%$845,56357.2KQ1 2026OLDER
Ameritas Investment Partners, Inc.$3.3B AUM0.00%$14,9281.0KQ1 2026OLDER
C M BIDWELL & ASSOCIATES LTD$214M AUM0.00%$97566Q1 2026OLDER
Police & Firemen's Retirement System of New Jersey$11.7B AUM0.00%$53,0753.6KQ1 2026OLDER
VANGUARD FIDUCIARY TRUST CO$396.1B AUM0.00%$2M112.3KQ1 2026OLDER
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$16,0811.1KQ1 2026OLDER
Assenagon Asset Management S.A.$80.2B AUM0.00%$313,95318.0KQ2 2026
AMERICAN CENTURY COMPANIES INC$194.3B AUM0.00%$721,23448.8KQ1 2026OLDER
CITADEL ADVISORS LLC$618.5B AUM0.00%$2M155.1KQ1 2026OLDER
AMERIPRISE FINANCIAL INC$431.8B AUM0.00%$2M107.4KQ1 2026OLDER
VANGUARD CAPITAL MANAGEMENT LLC$4.04T AUM0.00%$14M930.2KQ1 2026OLDER
Squarepoint Ops LLC$85.1B AUM0.00%$277,56818.8KQ1 2026OLDER
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$5M353.4KQ1 2026OLDER
VOYA INVESTMENT MANAGEMENT LLC$96.1B AUM0.00%$310,07021.0KQ1 2026OLDER
NORTHERN TRUST CORP$756.6B AUM0.00%$2M159.8KQ1 2026OLDER
MetLife Investment Management, LLC$19.6B AUM0.00%$55,9573.8KQ1 2026OLDER
PRUDENTIAL FINANCIAL INC$81.2B AUM0.00%$217,78314.7KQ1 2026OLDER
Nuveen, LLC$369.3B AUM0.00%$944,20663.9KQ1 2026OLDER
MILLENNIUM MANAGEMENT LLC$240.3B AUM0.00%$546,38737.0KQ1 2026OLDER
GOLDMAN SACHS GROUP INC$870.9B AUM0.00%$2M131.4KQ1 2026OLDER
BlackRock, Inc.$5.72T AUM0.00%$13M859.5KQ1 2026OLDER
Essential Partners LLC$250M AUM0.00%$53767Q1 2026OLDER
VANGUARD GROUP INC$6.90T AUM0.00%$14M1.11MQ4 2025OLDER
Bank of New York Mellon Corp$543.9B AUM0.00%$933,04463.1KQ1 2026OLDER
STATE STREET CORP$2.90T AUM0.00%$5M312.2KQ1 2026OLDER
Russell Investments Group, Ltd.$93.1B AUM0.00%$137,2909.3KQ1 2026OLDER
WOLVERINE TRADING, LLC$138.7B AUM0.00%$203,50420.6KQ3 2025OLDER
AQR CAPITAL MANAGEMENT LLC$218.4B AUM0.00%$310,51321.0KQ1 2026OLDER
JANE STREET GROUP, LLC$777.2B AUM0.00%$1M72.8KQ1 2026OLDER
RHUMBLINE ADVISERS$116.9B AUM0.00%$161,08110.9KQ1 2026OLDER
MACKENZIE FINANCIAL CORP$83.3B AUM0.00%$107,18710.9KQ3 2025OLDER
TD Waterhouse Canada Inc.$33.7B AUM0.00%$43,6532.9KQ1 2026OLDER
RAYMOND JAMES FINANCIAL INC$324.4B AUM0.00%$341,37423.1KQ1 2026OLDER
NEW YORK STATE COMMON RETIREMENT FUND$71.6B AUM0.00%$75,0235.1KQ1 2026OLDER
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$73.7B AUM0.00%$76,2805.2KQ1 2026OLDER
Sterling Capital Management LLC$5.3B AUM0.00%$5,380364Q1 2026OLDER
Rockefeller Capital Management L.P.$56.4B AUM0.00%$56,6073.8KQ1 2026OLDER
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$184.8B AUM0.00%$178,89712.1KQ1 2026OLDER
Quent Capital, LLC$1.4B AUM0.00%$1,341106Q4 2025OLDER
FRANKLIN RESOURCES INC$408.3B AUM0.00%$375,44225.4KQ1 2026OLDER
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$784,81853.1KQ1 2026OLDER
SIMPLEX TRADING, LLC$149.1B AUM0.00%$130,0348.8KQ1 2026OLDER
MORGAN STANLEY$1.67T AUM0.00%$1M112.9KQ1 2026OLDER
GAMMA Investing LLC$2.7B AUM0.00%$2,114121Q2 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$654.5B AUM0.00%$460,24931.1KQ1 2026OLDER
Invesco Ltd.$653.3B AUM0.00%$447,89330.3KQ1 2026OLDER
Vanguard Global Advisers, LLC$186.5B AUM0.00%$119,5708.1KQ1 2026OLDER
CWM, LLC$38.1B AUM0.00%$21,8451.5KQ1 2026OLDER
VANGUARD PORTFOLIO MANAGEMENT LLC$1.91T AUM0.00%$943,15663.8KQ1 2026OLDER
BNP PARIBAS FINANCIAL MARKETS$205.8B AUM0.00%$100,5936.8KQ1 2026OLDER
ALLIANCEBERNSTEIN L.P.$308.8B AUM0.00%$150,28211.9KQ1 2026OLDER
Larson Financial Group LLC$3.1B AUM0.00%$1,493101Q1 2026OLDER
UBS Group AG$666.3B AUM0.00%$247,72816.8KQ1 2026OLDER
Archer Investment Corp$469M AUM0.00%$14810Q1 2026OLDER
CITIGROUP INC$234.5B AUM0.00%$71,5064.8KQ1 2026OLDER
EverSource Wealth Advisors, LLC$3.3B AUM0.00%$99067Q1 2026OLDER
JONES FINANCIAL COMPANIES LLLP$208.1B AUM0.00%$53,6333.7KQ1 2026OLDER
SBI Securities Co., Ltd.$3.6B AUM0.00%$93163Q1 2026OLDER
NISA INVESTMENT ADVISORS, LLC$27.0B AUM0.00%$6,459437Q1 2026OLDER
BARCLAYS PLC$416.3B AUM0.00%$88,7556.0KQ1 2026OLDER
PRICE T ROWE ASSOCIATES INC /MD/$865M AUM0.00%$15310.3KQ1 2026OLDER
BANK OF AMERICA CORP /DE/$1.37T AUM0.00%$235,09115.9KQ1 2026OLDER
WELLS FARGO & COMPANY/MN$530.3B AUM0.00%$90,8976.2KQ2 2026
MassMutual Private Wealth & Trust, FSB$3.9B AUM0.00%$54231Q2 2026
Root Financial Partners, LLC$2.2B AUM0.00%$20714Q1 2026OLDER
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM$94.5B AUM0.00%$8,898602Q1 2026OLDER
True Wealth Design, LLC$360M AUM0.00%$302Q1 2026OLDER
IFP Advisors, Inc$4.8B AUM0.00%$32522Q1 2026OLDER
OSAIC HOLDINGS, INC.$68.3B AUM0.00%$3,399230Q1 2026OLDER
JPMORGAN CHASE & CO$1.56T AUM0.00%$75,0305.1KQ1 2026OLDER
FMR LLC$1.90T AUM0.00%$81,3705.5KQ1 2026OLDER
Legal & General Group Plc$432.4B AUM0.00%$16,4501.1KQ1 2026OLDER
Advisory Services Network, LLC$7.5B AUM0.00%$17712Q1 2026OLDER
Allworth Financial LP$24.7B AUM0.00%$40027Q1 2026OLDER
ROYAL BANK OF CANADA$570.1B AUM0.00%$8,000597Q4 2025OLDER
Arax Advisory Partners$3.5B AUM0.00%$383Q4 2025OLDER
ROTHSCHILD INVESTMENT LLC$1.9B AUM0.00%$151Q1 2026OLDER
MAI Capital Management$17.7B AUM0.00%$896Q1 2026OLDER
Farther Finance Advisors, LLC$10.6B AUM0.00%$463Q1 2026OLDER
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$481.0B AUM0.00%$39927Q1 2026OLDER
Optiver Holding B.V.$289.5B AUM0.00%$594Q2 2026

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.