13F

Stock

Mistras Group, Inc.

MG · held by 129 managers

Reported value

$258.8M

Holders

129

+15 new · −12 exited

Holders’ est. mark

$31.4M

Price effect on 110 books still in the name

Largest holder

$27.6M

Mill Road Capital Management LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Mill Road Capital Management LLC1.87M$27.6M$3.56MAdded$6.49M
DIMENSIONAL FUND ADVISORS LP1.7M$25.2M$3.55MAdded$4.08M
ROYCE & ASSOCIATES LP1.53M$22.7M$3.03MAdded$4.68M
WEBER CAPITAL MANAGEMENT LLC /ADV1.46M$21.5M$3.1MAdded$2.79M
IES Holdings, Inc.1.12M$16.6M$2.3MAdded$2.9M
VANGUARD CAPITAL MANAGEMENT LLC930.2K$13.7MHeld
BlackRock, Inc.859.5K$12.7M$1.83MAdded$1.56M
FEDERATED HERMES, INC.656K$9.7M$1.4MAdded$1.4M
Clearline Capital LP554.1K$8.19M$1.18MCut−$651K
Invenomic Capital Management LP452.6K$6.69M$964.1KAdded$672.1K
DEUTSCHE BANK AG\379.5K$5.61M$808.2KAdded$808.2K
BRIDGEWAY CAPITAL MANAGEMENT, LLC354.4K$5.24M$754.8KAdded$139.1K
GEODE CAPITAL MANAGEMENT, LLC353.4K$5.23M$753.1KAdded$663.7K
State Street312.2K$4.61M$664.9KAdded$428.7K
Pacific Ridge Capital Partners, LLC285.3K$4.22M$604.6KAdded$625.9K
First Eagle Investment Management, LLC281.5K$4.16M$164.5KAdded$3.18M
ESSEX INVESTMENT MANAGEMENT CO LLC268.6K$3.97MNew
TWO SIGMA INVESTMENTS, LP231.3K$3.42M$283.2KAdded$1.74M
Empowered Funds, LLC225.5K$3.33M$471.7KAdded$531.6K
Qube Research & Technologies Ltd218K$3.22M$348.8KAdded$1.15M
SEI INVESTMENTS CO204.8K$3.03M$124.9KAdded$2.29M
JB CAPITAL PARTNERS LP202.2K$2.99M$430.8KAdded$430.8K
NORTHERN TRUST CORP159.8K$2.36M$340.3KAdded$323.9K
Knights of Columbus Asset Advisors LLC140.1K$2.07MNew
O'SHAUGHNESSY ASSET MANAGEMENT, LLC135.2K$2M$287.9KAdded$193.6K
GOLDMAN SACHS GROUP INC131.4K$1.94M$279.8KAdded$160.8K
Citadel126.2K$1.87M$219.2KAdded$564.1K
Renaissance Technologies120.5K$1.78M$256.7KCut−$769.3K
Inspire Investing, LLC115.8K$1.71M$216.5KAdded$425.7K
JACOBS LEVY EQUITY MANAGEMENT, INC114.5K$1.69M$243.8KAdded$119.8K
VANGUARD FIDUCIARY TRUST CO112.3K$1.66MHeld
AMERIPRISE FINANCIAL INC107.4K$1.59M$225.8KAdded$246.2K
RITHOLTZ WEALTH MANAGEMENT104.8K$1.55M$183.2KAdded$460.3K
MORGAN STANLEY104.3K$1.54M$222.1KAdded$112.5K
Informed Momentum Co LLC96.3K$1.42M$205KAdded$205K
D. E. Shaw & Co., Inc.86K$1.27M$183.2KCut−$800.4K
Legato Capital Management LLC83.9K$1.24MNew
LAZARD ASSET MANAGEMENT LLC70.4K$1.04MNew
Raiffeisen Bank International AG65K$949K$117KAdded$117K
Nuveen, LLC63.9K$944.2K$136.1KAdded$84.8K
VANGUARD PORTFOLIO MANAGEMENT LLC63.8K$943.2KHeld
Bank of New York Mellon Corp63.1K$933K$119.4KAdded$223.7K
FIRST TRUST ADVISORS LP57.2K$845.6K$121.2KAdded$126K
RBF Capital, LLC55K$812.9K$117.1KAdded$117.2K
Manatuck Hill Partners, LLC50K$739KNew
JANE STREET GROUP, LLC49.8K$735.5K$106KAdded$64.8K
AMERICAN CENTURY COMPANIES INC48.8K$721.2K$100.9KAdded$122K
Trexquant Investment LP43.9K$649.3K$89.6KAdded$117K
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC40.2K$615.6KNew
MILLENNIUM MANAGEMENT LLC37K$546.4K$78.7KCut−$1.43M
Values First Advisors, Inc.35.3K$522.1K$74.6KAdded$79.2K
PANAGORA ASSET MANAGEMENT INC34.9K$516.2K$70.9KAdded$95.1K
Verdad Advisers, LP34.5K$510.3K$73.5KCut−$122.2K
STRS OHIO31.7K$468.5K$67.5KCut−$69.1K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC31.1K$460.2K$66.3KCut−$10.5K
Invesco Ltd.30.3K$447.9K$64.5KAdded$39.1K
Hillsdale Investment Management Inc.26.6K$393.1K$56.7KAdded$56.7K
FRANKLIN RESOURCES INC25.4K$375.4K$54.1KCut−$4.84K
RAYMOND JAMES FINANCIAL INC23.1K$341.4K$44.2KAdded$79K
Icahn Capital21K$310.5K$39.6KAdded$75.2K
VOYA INVESTMENT MANAGEMENT LLC21K$310.1K$44.7KAdded$44.7K
EntryPoint Capital, LLC20.4K$301.9K$25.9KAdded$148.2K
OLD NATIONAL BANCORP /IN/20K$295.6K$42.6KAdded$42.6K
Squarepoint Ops LLC18.8K$277.6K$40KCut−$861.1K
Assenagon Asset Management S.A.18K$265.6K$38.3KAdded$34.2K
Engineers Gate Manager LP17.6K$259.7K$34.4KAdded$55.1K
UBS Group AG16.8K$247.7K$35.7KCut−$385.6K
BANK OF AMERICA CORP /DE/15.9K$235.1K$33.9KCut−$602.1K
PRUDENTIAL FINANCIAL INC14.7K$217.8K$23.9KAdded$75.9K
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO13K$192.4K$27.7KAdded$27.7K
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP12.1K$178.9K$25.8KCut−$337.2K
RHUMBLINE ADVISERS10.9K$161.1K$23.2KCut−$8.57K
ALLIANCEBERNSTEIN L.P.11.9K$150.3K$0Cut−$21.5K
Russell Investments Group, Ltd.9.29K$137.3K$3.15KAdded$118.6K
SIMPLEX TRADING, LLC8.8K$130K$18.7KCut−$120.4K
Vanguard Global Advisers, LLC8.09K$119.6KHeld
BNP PARIBAS FINANCIAL MARKETS6.81K$100.6K$14.5KCut−$2.5K
WELLS FARGO & COMPANY/MN6.15K$90.9K$13.1KCut−$114.8K
BARCLAYS PLC6K$88.8K$12.8KCut−$158.5K
Kemnay Advisory Services Inc.5.55K$82K$11.8KAdded$8.17K
Fidelity5.5K$81.4K$8.97KAdded$28.1K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.5.16K$76.3K$11KAdded$3.04K
JPMORGAN CHASE & CO5.14K$75K$10KCut−$1.55K
NEW YORK STATE COMMON RETIREMENT FUND5.08K$75K$10.8KCut−$10.7K
CITIGROUP INC4.84K$71.5K$10.3KCut−$6.62K
Rockefeller Capital Management L.P.3.83K$56.6K$8.16KAdded$8.16K
MetLife Investment Management, LLC3.79K$56K$8.06KCut−$33K
JONES FINANCIAL COMPANIES LLLP3.68K$53.6K$7.13KAdded$7.13K
Police & Firemen's Retirement System of New Jersey3.59K$53.1K$7.65KAdded$7.65K
LOM Asset Management Ltd3K$44.3K$6.39KAdded$6.39K
TD Waterhouse Canada Inc.2.87K$43.7K$7.41KAdded$7.41K
CWM, LLC1.48K$21.8K$19.2KAdded$21.8K
Legal & General Group Plc1.11K$16.4K$2.37KAdded$2.37K
Tower Research Capital LLC (TRC)1.09K$16.1K$2.32KCut−$15.2K
Ameritas Investment Partners, Inc.1.01K$14.9K$2.15KAdded$2.15K
Investors Research Corp800$11.8K$1.7KAdded$1.7K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM602$8.9K$1.28KCut−$792
NISA INVESTMENT ADVISORS, LLC437$6.46K$931Added$931
Sterling Capital Management LLC364$5.38K$775Cut−$3.69K
CSM Advisors, LLC267.9K$3.96K$571Added$553
OSAIC HOLDINGS, INC.230$3.4K$489Added$110
ALGERT GLOBAL LLC179.3K$2.65K$293Added$914
ACADIAN ASSET MANAGEMENT LLC158.3K$2.34K$18Added$2.23K
Torren Management, LLC126$1.86K$268Cut−$26.4K
GAMMA Investing LLC121$1.79K$233Added$396
Larson Financial Group LLC101$1.49K$215Cut−$12.4K
EverSource Wealth Advisors, LLC67$990$123Added$256
C M BIDWELL & ASSOCIATES LTD66$975$140Added$140
SBI Securities Co., Ltd.63$931$102Added$324
GSA CAPITAL PARTNERS LLP48.8K$721$85Added$219
Essential Partners LLC36$532$74Added$89
LSV ASSET MANAGEMENT35.8K$529$76Cut−$116
MassMutual Private Wealth & Trust, FSB29$429New
Allworth Financial LP27$400$4Added$374
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC27$399New
HRT FINANCIAL LP26.8K$395$47Added$119
Cambridge Investment Research Advisors, Inc.26.2K$388$49Added$97
IFP Advisors, Inc22$325$47Added$47
Root Financial Partners, LLC14$207New
Advisory Services Network, LLC12$177New
PRICE T ROWE ASSOCIATES INC /MD/10.3K$153New
Archer Investment Corp10$148$21Added$21
MAI Capital Management6$89New
Optiver Holding B.V.4$59New
Farther Finance Advisors, LLC3$46New
True Wealth Design, LLC2$30$4Added$4
State of Alaska, Department of Revenue1.76K$26$4Added$4
ROTHSCHILD INVESTMENT LLC1$15New
HARBOR CAPITAL ADVISORS, INC.377$6$1Added$4

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.