Mistras Group, Inc. - MG

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Mill Road Capital Management LLC History Added to 1,870,580 27,647 14.49% 12.57% 1 +197,899 11.83% Q1 2026 May 15, 2026
DIMENSIONAL FUND ADVISORS LP History Added to 1,703,681 25,180 0.01% 0.0% 2 +35,835 2.15% Q1 2026 May 07, 2026
ROYCE & ASSOCIATES LP History Added to 1,533,052 22,658 0.22% 0.18% 3 +111,965 7.88% Q1 2026 May 12, 2026
WEBER CAPITAL MANAGEMENT LLC /ADV History Reduced 1,456,969 21,534 21.51% 17.7% 4 -25,133 -1.7% Q1 2026 Apr 22, 2026
IES Holdings, Inc. History Added to 1,120,545 16,561 7.74% 7.98% 5 +40,704 3.77% Q1 2026 May 15, 2026
VANGUARD GROUP INC History No change 1,109,588 14,036 0.0% 0.0% 6 0 0.0% Q4 2025 Jan 29, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 930,178 13,748 0.0% 7 +930,178 New Q1 2026 May 15, 2026
BlackRock, Inc. History Reduced 859,452 12,702 0.0% 0.0% 8 -21,260 -2.41% Q1 2026 May 13, 2026
FEDERATED HERMES, INC. History No change 656,032 9,696 0.02% 0.01% 9 0 0.0% Q1 2026 May 11, 2026
Clearline Capital LP History Reduced 554,089 8,189 0.43% 0.44% 10 -144,760 -20.71% Q1 2026 May 15, 2026
Invenomic Capital Management LP History Reduced 452,614 6,689 0.31% 0.28% 11 -23,078 -4.85% Q1 2026 May 15, 2026
DEUTSCHE BANK AG\ History No change 379,454 5,608 0.0% 0.0% 12 0 0.0% Q1 2026 May 06, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Reduced 354,371 5,237 0.11% 0.11% 13 -48,672 -12.08% Q1 2026 May 15, 2026
GEODE CAPITAL MANAGEMENT, LLC History Reduced 353,411 5,225 0.0% 0.0% 14 -7,069 -1.96% Q1 2026 May 15, 2026
STATE STREET CORP History Reduced 312,164 4,613 0.0% 0.0% 15 -18,670 -5.64% Q1 2026 May 15, 2026
Pacific Ridge Capital Partners, LLC History Added to 285,274 4,216 0.91% 0.79% 16 +1,445 0.51% Q1 2026 May 11, 2026
First Eagle Investment Management, LLC History Added to 281,532 4,161 0.01% 0.0% 17 +204,313 264.59% Q1 2026 May 14, 2026
ESSEX INVESTMENT MANAGEMENT CO LLC History New 268,567 3,969 0.63% 18 +268,567 New Q1 2026 May 11, 2026
CSM Advisors, LLC History Reduced 267,881 3,961 0.1% 0.09% 19 -1,420 -0.53% Q1 2026 May 15, 2026
TWO SIGMA INVESTMENTS, LP History Added to 231,325 3,418 0.0% 0.0% 20 +98,370 73.99% Q1 2026 May 15, 2026
Empowered Funds, LLC History Added to 225,494 3,332 0.02% 0.05% 21 +4,058 1.83% Q1 2026 May 14, 2026
Qube Research & Technologies Ltd History Added to 218,046 3,222 0.0% 0.0% 22 +54,274 33.14% Q1 2026 May 15, 2026
SEI INVESTMENTS CO History Added to 204,840 3,027 0.0% 0.0% 23 +146,222 249.45% Q1 2026 May 13, 2026
JB CAPITAL PARTNERS LP History No change 202,243 2,989 0.51% 0.44% 24 0 0.0% Q1 2026 May 14, 2026
ALGERT GLOBAL LLC History Added to 179,290 2,650 0.04% 0.03% 25 +42,040 30.63% Q1 2026 May 14, 2026
NORTHERN TRUST CORP History Reduced 159,751 2,361 0.0% 0.0% 26 -1,296 -0.8% Q1 2026 May 14, 2026
ACADIAN ASSET MANAGEMENT LLC History Added to 158,335 2,336 0.0% 0.0% 27 +150,021 1804.44% Q1 2026 May 13, 2026
CITADEL ADVISORS LLC History Reduced 155,134 2,292 0.0% 0.0% 28 -108,863 -41.24% Q1 2026 May 15, 2026
Knights of Columbus Asset Advisors LLC History New 140,081 2,070 0.12% 29 +140,081 New Q1 2026 May 11, 2026
O'SHAUGHNESSY ASSET MANAGEMENT, LLC History Reduced 135,168 1,997 0.01% 0.01% 30 -7,453 -5.23% Q1 2026 May 13, 2026
GOLDMAN SACHS GROUP INC History Reduced 131,376 1,941 0.0% 0.0% 31 -9,409 -6.68% Q1 2026 May 15, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 120,500 1,780 0.0% 0.0% 32 -81,100 -40.23% Q1 2026 May 14, 2026
Inspire Investing, LLC History Added to 115,815 1,711 0.14% 0.12% 33 +14,154 13.92% Q1 2026 Apr 23, 2026
JACOBS LEVY EQUITY MANAGEMENT, INC History Reduced 114,477 1,691 0.01% 0.01% 34 -9,805 -7.89% Q1 2026 May 15, 2026
VANGUARD FIDUCIARY TRUST CO History New 112,277 1,659 0.0% 35 +112,277 New Q1 2026 May 08, 2026
AMERIPRISE FINANCIAL INC History Added to 107,375 1,587 0.0% 0.0% 36 +1,382 1.3% Q1 2026 May 15, 2026
RITHOLTZ WEALTH MANAGEMENT History Added to 104,752 1,548 0.03% 0.02% 37 +18,749 21.8% Q1 2026 Apr 20, 2026
MORGAN STANLEY History Reduced 104,271 1,541 0.0% 0.0% 38 -8,660 -7.67% Q1 2026 May 15, 2026
Informed Momentum Co LLC History No change 96,263 1,422 0.16% 0.14% 39 0 0.0% Q1 2026 May 13, 2026
D. E. Shaw & Co., Inc. History Reduced 86,031 1,271 0.0% 0.0% 40 -77,757 -47.47% Q1 2026 May 15, 2026
Legato Capital Management LLC History New 83,945 1,240 0.11% 41 +83,945 New Q1 2026 May 14, 2026
JANE STREET GROUP, LLC History Reduced 72,764 1,075 0.0% 0.0% 42 -15,658 -17.71% Q1 2026 May 12, 2026
LAZARD ASSET MANAGEMENT LLC History New 70,369 1,040 0.0% 43 +70,369 New Q1 2026 May 15, 2026
Raiffeisen Bank International AG History No change 65,000 949 0.01% 0.01% 44 0 0.0% Q1 2026 Apr 24, 2026
Nuveen, LLC History Reduced 63,884 944 0.0% 0.0% 45 -4,052 -5.96% Q1 2026 Apr 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History New 63,813 943 0.0% 46 +63,813 New Q1 2026 May 08, 2026
Bank of New York Mellon Corp History Added to 63,129 933 0.0% 0.0% 47 +7,055 12.58% Q1 2026 May 05, 2026
FIRST TRUST ADVISORS LP History Added to 57,210 845 0.0% 0.0% 48 +331 0.58% Q1 2026 May 13, 2026
RBF Capital, LLC History No change 55,000 812 0.04% 0.03% 49 0 0.0% Q1 2026 May 18, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 53,100 784 0.0% 0.0% 50 +29,481 124.82% Q1 2026 May 15, 2026
Manatuck Hill Partners, LLC History New 50,000 739 0.2% 51 +50,000 New Q1 2026 May 15, 2026
GSA CAPITAL PARTNERS LLP History Added to 48,765 721 0.04% 0.04% 53 +9,063 22.83% Q1 2026 May 08, 2026
AMERICAN CENTURY COMPANIES INC History Added to 48,798 721 0.0% 0.0% 52 +1,430 3.02% Q1 2026 May 15, 2026
Trexquant Investment LP History Added to 43,928 649 0.0% 0.0% 54 +1,853 4.4% Q1 2026 May 15, 2026
TWO SIGMA ADVISERS, LP History No change 49,824 630 0.0% 0.0% 55 0 0.0% Q4 2025 Feb 17, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History New 40,234 615 0.0% 56 +40,234 New Q1 2026 Apr 08, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 36,968 546 0.0% 0.0% 57 -119,309 -76.34% Q1 2026 May 15, 2026
LSV ASSET MANAGEMENT History Reduced 35,801 529 0.0% 0.0% 58 -15,200 -29.8% Q1 2026 May 11, 2026
Values First Advisors, Inc. History Added to 35,327 522 0.27% 0.23% 59 +311 0.89% Q1 2026 Apr 17, 2026
PANAGORA ASSET MANAGEMENT INC History Added to 34,926 516 0.0% 0.0% 60 +1,635 4.91% Q1 2026 May 14, 2026
Verdad Advisers, LP History Reduced 34,526 510 0.57% 0.72% 61 -15,474 -30.95% Q1 2026 May 15, 2026
STRS OHIO History Reduced 31,700 468 0.0% 0.0% 62 -10,800 -25.41% Q1 2026 Apr 24, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Reduced 31,140 460 0.0% 0.0% 63 -6,073 -16.32% Q1 2026 May 15, 2026
Invesco Ltd. History Reduced 30,304 447 0.0% 0.0% 64 -2,013 -6.23% Q1 2026 May 12, 2026
HRT FINANCIAL LP History Added to 26,770 395 0.0% 0.0% 65 +4,891 22.35% Q1 2026 May 14, 2026
Hillsdale Investment Management Inc. History No change 26,600 393 0.01% 0.01% 66 0 0.0% Q1 2026 May 04, 2026
Cambridge Investment Research Advisors, Inc. History Added to 26,221 388 0.0% 0.0% 67 +3,222 14.01% Q1 2026 Apr 30, 2026
FRANKLIN RESOURCES INC History Reduced 25,402 375 0.0% 0.0% 68 -4,660 -15.5% Q1 2026 May 13, 2026
RAYMOND JAMES FINANCIAL INC History Added to 23,097 341 0.0% 0.0% 69 +2,357 11.36% Q1 2026 May 14, 2026
AQR CAPITAL MANAGEMENT LLC History Added to 21,009 310 0.0% 0.0% 71 +2,409 12.95% Q1 2026 May 15, 2026
VOYA INVESTMENT MANAGEMENT LLC History No change 20,979 310 0.0% 0.0% 70 0 0.0% Q1 2026 May 12, 2026
EntryPoint Capital, LLC History Added to 20,426 301 0.09% 0.06% 72 +8,275 68.1% Q1 2026 May 14, 2026
OLD NATIONAL BANCORP /IN/ History No change 20,000 295 0.0% 0.0% 73 0 0.0% Q1 2026 Apr 21, 2026
Squarepoint Ops LLC History Reduced 18,780 277 0.0% 0.0% 74 -71,237 -79.14% Q1 2026 May 15, 2026
Assenagon Asset Management S.A. History Reduced 17,971 265 0.0% 0.0% 75 -322 -1.76% Q1 2026 Apr 20, 2026
Engineers Gate Manager LP History Added to 17,568 259 0.0% 0.0% 76 +1,399 8.65% Q1 2026 May 15, 2026
UBS Group AG History Reduced 16,761 247 0.0% 0.0% 77 -33,307 -66.52% Q1 2026 May 05, 2026
BANK OF AMERICA CORP /DE/ History Reduced 15,906 235 0.0% 0.0% 78 -50,275 -75.97% Q1 2026 May 15, 2026
PRUDENTIAL FINANCIAL INC History Added to 14,735 217 0.0% 0.0% 79 +3,517 31.35% Q1 2026 May 13, 2026
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO History No change 13,018 192 0.0% 0.0% 80 0 0.0% Q1 2026 May 14, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History Reduced 12,104 178 0.0% 0.0% 81 -28,692 -70.33% Q1 2026 May 14, 2026
RHUMBLINE ADVISERS History Reduced 10,899 161 0.0% 0.0% 82 -2,513 -18.74% Q1 2026 May 12, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History New 10,324 153 0.0% 83 +10,324 New Q1 2026 May 15, 2026
ALLIANCEBERNSTEIN L.P. History Reduced 11,880 150 0.0% 0.0% 84 -1,700 -12.52% Q1 2026 May 15, 2026
Russell Investments Group, Ltd. History Added to 9,289 137 0.0% 0.0% 85 +7,812 528.91% Q1 2026 May 08, 2026
SIMPLEX TRADING, LLC History Reduced 8,798 130 0.0% 0.0% 86 -10,997 -55.55% Q1 2026 May 14, 2026
Vanguard Global Advisers, LLC History New 8,090 119 0.0% 87 +8,090 New Q1 2026 May 08, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 6,806 100 0.0% 0.0% 88 -1,344 -16.49% Q1 2026 May 12, 2026
WELLS FARGO & COMPANY/MN History Reduced 6,150 90 0.0% 0.0% 89 -10,108 -62.17% Q1 2026 May 11, 2026
BARCLAYS PLC History Reduced 6,005 88 0.0% 0.0% 90 -13,543 -69.28% Q1 2026 May 14, 2026
Kemnay Advisory Services Inc. History Reduced 5,550 82 0.01% 0.01% 91 -289 -4.95% Q1 2026 May 15, 2026
FMR LLC History Added to 5,505 81 0.0% 0.0% 92 +1,295 30.76% Q1 2026 May 15, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Reduced 5,161 76 0.0% 0.0% 93 -629 -10.86% Q1 2026 May 15, 2026
NEW YORK STATE COMMON RETIREMENT FUND History Reduced 5,076 75 0.0% 0.0% 95 -1,700 -25.09% Q1 2026 May 06, 2026
JPMORGAN CHASE & CO History Reduced 5,139 75 0.0% 0.0% 94 -915 -15.11% Q1 2026 May 13, 2026
CITIGROUP INC History Reduced 4,838 71 0.0% 0.0% 96 -1,338 -21.66% Q1 2026 May 11, 2026
Rockefeller Capital Management L.P. History No change 3,830 56 0.0% 0.0% 97 0 0.0% Q1 2026 May 14, 2026
MetLife Investment Management, LLC History Reduced 3,786 55 0.0% 0.0% 98 -3,249 -46.18% Q1 2026 May 14, 2026
JONES FINANCIAL COMPANIES LLLP History No change 3,676 53 0.0% 0.0% 99 0 0.0% Q1 2026 May 15, 2026
Police & Firemen's Retirement System of New Jersey History No change 3,591 53 0.0% 0.0% 100 0 0.0% Q1 2026 Apr 29, 2026
LOM Asset Management Ltd History No change 3,000 44 0.01% 0.01% 101 0 0.0% Q1 2026 May 05, 2026
TD Waterhouse Canada Inc. History No change 2,870 43 0.0% 0.0% 102 0 0.0% Q1 2026 May 12, 2026
State of Alaska, Department of Revenue History No change 1,765 26 0.0% 0.0% 103 0 0.0% Q1 2026 Apr 20, 2026
CWM, LLC History Added to 1,478 21 0.0% 0.0% 104 +177 13.6% Q1 2026 May 14, 2026
Tower Research Capital LLC (TRC) History Reduced 1,088 16 0.0% 0.0% 106 -1,381 -55.93% Q1 2026 May 15, 2026
Legal & General Group Plc History No change 1,113 16 0.0% 0.0% 105 0 0.0% Q1 2026 May 08, 2026
Ameritas Investment Partners, Inc. History No change 1,010 14 0.0% 0.0% 107 0 0.0% Q1 2026 May 13, 2026
Investors Research Corp History No change 800 11 0.0% 0.0% 108 0 0.0% Q1 2026 Apr 03, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 602 8 0.0% 0.0% 109 -164 -21.41% Q1 2026 May 15, 2026
HARBOR CAPITAL ADVISORS, INC. History Added to 377 6 0.0% 0.0% 111 +187 98.42% Q1 2026 Apr 28, 2026
NISA INVESTMENT ADVISORS, LLC History No change 437 6 0.0% 0.0% 110 0 0.0% Q1 2026 Apr 30, 2026
Sterling Capital Management LLC History Reduced 364 5 0.0% 0.0% 112 -353 -49.23% Q1 2026 Apr 22, 2026
OSAIC HOLDINGS, INC. History Reduced 230 3 0.0% 0.0% 113 -30 -11.54% Q1 2026 May 15, 2026
Torren Management, LLC History Reduced 126 1 0.0% 0.01% 116 -2,111 -94.37% Q1 2026 Apr 30, 2026
Larson Financial Group LLC History Reduced 101 1 0.0% 0.0% 114 -995 -90.78% Q1 2026 May 15, 2026
GAMMA Investing LLC History Added to 121 1 0.0% 0.0% 115 +11 10.0% Q1 2026 Apr 06, 2026
PEAK6 LLC History Closed out 0 0 0.0% -175,900 -100.0% Q1 2026 May 13, 2026
J. Goldman & Co LP History Closed out 0 0 0.04% -134,200 -100.0% Q1 2026 May 15, 2026
MARTINGALE ASSET MANAGEMENT L P History Closed out 0 0 0.01% -30,065 -100.0% Q1 2026 May 13, 2026
Brevan Howard Capital Management LP History Closed out 0 0 0.0% -18,173 -100.0% Q1 2026 May 15, 2026
Heron Bay Capital Management History Closed out 0 0 0.04% -14,564 -100.0% Q1 2026 May 13, 2026
SG Americas Securities, LLC History Closed out 0 0 0.0% -11,160 -100.0% Q1 2026 Apr 16, 2026
ROYAL BANK OF CANADA History Closed out 0 0 0.0% -597 -100.0% Q1 2026 May 15, 2026
AMALGAMATED BANK History Closed out 0 0 0.0% -391 -100.0% Q1 2026 May 08, 2026
Quent Capital, LLC History Closed out 0 0 0.0% -106 -100.0% Q1 2026 Apr 28, 2026
MassMutual Private Wealth & Trust, FSB History New 29 0 +29 New Q1 2026 Apr 13, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History New 27 0 +27 New Q1 2026 May 13, 2026
Allworth Financial LP History Added to 27 0 +25 1250.0% Q1 2026 May 14, 2026
Covestor Ltd History Closed out 0 0 -18 -100.0% Q1 2026 May 05, 2026
SBI Securities Co., Ltd. History Added to 63 0 +15 31.25% Q1 2026 Apr 27, 2026
Root Financial Partners, LLC History New 14 0 +14 New Q1 2026 Apr 24, 2026
Advisory Services Network, LLC History New 12 0 +12 New Q1 2026 May 15, 2026
EverSource Wealth Advisors, LLC History Added to 67 0 +9 15.52% Q1 2026 May 15, 2026
MAI Capital Management History New 6 0 +6 New Q1 2026 May 15, 2026
Optiver Holding B.V. History New 4 0 +4 New Q1 2026 May 15, 2026
Farther Finance Advisors, LLC History New 3 0 +3 New Q1 2026 Apr 07, 2026
Arax Advisory Partners History Closed out 0 0 -3 -100.0% Q1 2026 May 13, 2026
Essential Partners LLC History Added to 36 0 +1 2.86% Q1 2026 May 21, 2026
ROTHSCHILD INVESTMENT LLC History New 1 0 +1 New Q1 2026 May 07, 2026
C M BIDWELL & ASSOCIATES LTD History No change 66 0 0 0.0% Q1 2026 May 14, 2026
IFP Advisors, Inc History No change 22 0 0 0.0% Q1 2026 Apr 13, 2026
Archer Investment Corp History No change 10 0 0 0.0% Q1 2026 May 04, 2026
True Wealth Design, LLC History No change 2 0 0 0.0% Q1 2026 Apr 13, 2026