Security Snapshot

Mistras Group, Inc. - Common stock, $0.01 par value (MG) Institutional Ownership

CUSIP: 60649T107

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

128

Shares (Excl. Options)

18,265,896

Price

$14.78

Save this security page for your next review

Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.

Create free account and return here Sign in and return here Review latest holder period
Type / Class
Equity / Common stock, $0.01 par value
Symbol
MG on NYSE
Shares outstanding
31,704,746
Price per share
$16.70
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
18,265,896
Total reported value
$269,953,375
% of total 13F portfolios
0.01%
Share change
+680,732
Value change
+$10,684,422
Number of holders
128
Price from insider filings
$16.70
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Key facts

  • MG - Mistras Group, Inc. - Common stock, $0.01 par value is tracked under CUSIP 60649T107.
  • 128 institutions reported positions in Q1 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 121 to 128 between Q4 2025 and Q1 2026.
  • Reported value moved from $222,419,326 to $269,953,375.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 128 institutions filings for Q1 2026.

Open SEC Evidence

Security key

60649T107

Latest holder period

Q1 2026

13F holders

128

13D/G owners

5

CIK / CUSIP context first

Open Q1 2026 holders MG full holder history Mistras Group, Inc. SEC filings Mistras Group, Inc. company facts Mistras Group, Inc. insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

Significant Owners of Mistras Group, Inc. - Common stock, $0.01 par value (MG) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Foglia Stephanie Athena 22% +332% $107,611,495 +$82,522,774 6,862,978 +329% Stephanie Foglia 31 Dec 2025
Vahaviolos Aspasia Felice 19% -0.42% $95,736,592 6,105,650 0% Aspasia Vahaviolos 31 Dec 2025
Mill Road Capital III, L.P. 5.9% +3.3% $27,647,172 +$1,585,539 1,870,580 +6.1% Mill Road Capital III, L.P. 21 Apr 2026
DIMENSIONAL FUND ADVISORS LP 5.2% $13,001,359 1,623,141 Dimensional Fund Advisors LP 30 Jun 2025
Kyriakopoulos Kristy Vahaviolos 5.1% $25,354,654 1,617,006 Kristy Kyriakopoulos 08 Jul 2025

As of 31 Mar 2026, 128 institutional investors reported holding 18,265,896 shares of Mistras Group, Inc. - Common stock, $0.01 par value (MG). This represents 58% of the company’s total 31,704,746 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Mistras Group, Inc. - Common stock, $0.01 par value (MG) together control 48% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Mill Road Capital Management LLC 5.9% 1,870,580 +12% 14% $27,647,172
DIMENSIONAL FUND ADVISORS LP 5.4% 1,703,681 +2.1% 0.01% $25,180,276
ROYCE & ASSOCIATES LP 4.8% 1,533,052 +7.9% 0.22% $22,658,509
WEBER CAPITAL MANAGEMENT LLC /ADV 4.6% 1,456,969 -1.7% 22% $21,534,002
IES Holdings, Inc. 3.5% 1,120,545 +3.8% 7.7% $16,561,655
VANGUARD CAPITAL MANAGEMENT LLC 2.9% 930,178 0% 0% $13,748,031
BlackRock, Inc. 2.7% 859,452 -2.4% 0% $12,702,701
FEDERATED HERMES, INC. 2.1% 656,032 0% 0.02% $9,696,153
Clearline Capital LP 1.7% 554,089 -21% 0.64% $8,189,435
Invenomic Capital Management LP 1.4% 452,614 -4.9% 0.31% $6,689,635
DEUTSCHE BANK AG\ 1.2% 379,454 0% 0% $5,608,330
BRIDGEWAY CAPITAL MANAGEMENT, LLC 1.1% 354,371 -12% 0.11% $5,237,603
GEODE CAPITAL MANAGEMENT, LLC 1.1% 353,411 -2% 0% $5,225,171
STATE STREET CORP 0.98% 312,164 -5.6% 0% $4,613,784
Pacific Ridge Capital Partners, LLC 0.9% 285,274 +0.51% 0.91% $4,216,350
First Eagle Investment Management, LLC 0.89% 281,532 +265% 0.01% $4,161,043
ESSEX INVESTMENT MANAGEMENT CO LLC 0.85% 268,567 0.63% $3,969,420
CSM Advisors, LLC 0.84% 267,881 -0.53% 0.1% $3,961,000
TWO SIGMA INVESTMENTS, LP 0.73% 231,325 +74% 0% $3,418,983
Empowered Funds, LLC 0.71% 225,494 +1.8% 0.02% $3,332,801
Qube Research & Technologies Ltd 0.69% 218,046 +33% 0% $3,222,720
SEI INVESTMENTS CO 0.65% 204,840 +249% 0% $3,027,535
JB CAPITAL PARTNERS LP 0.64% 202,243 0% 0.51% $2,989,152
ALGERT GLOBAL LLC 0.57% 179,290 +31% 0.04% $2,650,000
NORTHERN TRUST CORP 0.5% 159,751 -0.8% 0% $2,361,119

Institutional Holders of Mistras Group, Inc. - Common stock, $0.01 par value (MG) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 18,265,896 $269,953,375 +$10,684,422 $14.78 128
2025 Q4 17,581,738 $222,419,326 -$9,634,007 $12.65 121
2025 Q3 15,916,078 $156,623,642 +$3,229,336 $9.84 109
2025 Q2 15,627,282 $125,166,649 +$5,913,927 $8.01 106
2025 Q1 15,149,624 $160,283,744 +$8,100,739 $10.58 109
2024 Q4 14,829,373 $134,351,444 -$1,882,993 $9.06 107
2024 Q3 15,042,681 $171,048,719 +$5,226,658 $11.37 106
2024 Q2 14,346,207 $118,932,546 +$891,248 $8.29 90
2024 Q1 14,196,251 $135,716,646 -$1,222,822 $9.56 82
2023 Q4 14,370,492 $105,193,279 -$2,251,718 $7.32 79
2023 Q3 14,733,427 $80,291,456 -$1,244,020 $5.45 77
2023 Q2 14,926,494 $115,233,696 +$10,917,302 $7.72 79
2023 Q1 13,484,951 $91,435,604 +$1,414,990 $6.78 63
2022 Q4 13,868,528 $68,369,461 -$2,904,116 $4.93 61
2022 Q3 14,477,717 $64,566,159 -$2,264,415 $4.46 64
2022 Q2 14,927,582 $88,691,297 -$4,723,049 $5.94 74
2022 Q1 15,756,743 $102,852,604 +$4,184,141 $6.61 87
2021 Q4 15,019,624 $111,642,338 +$1,415,192 $7.43 84
2021 Q3 14,699,936 $149,270,390 -$1,237,007 $10.16 86
2021 Q2 14,826,439 $145,785,761 +$1,380,574 $9.83 82
2021 Q1 14,671,533 $167,394,264 +$4,647,438 $11.41 83
2020 Q4 14,315,338 $111,098,924 +$1,375,750 $7.76 84
2020 Q3 13,251,575 $51,809,822 -$3,648,874 $3.91 86
2020 Q2 14,187,758 $56,029,490 -$10,700,152 $3.95 88
2020 Q1 16,222,593 $69,109,274 -$2,759,844 $4.26 85
2019 Q4 16,444,544 $235,292,466 +$2,089,922 $14.27 86
2019 Q3 16,329,111 $267,737,907 -$5,773,393 $16.40 95
2019 Q2 16,807,431 $241,515,429 +$2,094,684 $14.37 88
2019 Q1 16,892,126 $233,273,347 +$2,103,708 $13.81 93
2018 Q4 16,722,511 $240,467,837 -$6,673,134 $14.38 96
2018 Q3 17,053,800 $369,547,260 +$6,629,049 $21.67 96
2018 Q2 16,747,642 $316,317,257 -$14,683,180 $18.88 86
2018 Q1 17,508,465 $331,772,665 -$6,735,068 $18.94 80
2017 Q4 17,731,665 $415,972,889 -$1,760,966 $23.47 86
2017 Q3 17,523,522 $359,259,879 +$8,079,933 $20.50 76
2017 Q2 17,118,902 $376,140,883 +$15,006,681 $21.97 81
2017 Q1 16,441,763 $351,610,488 +$31,362,994 $21.38 88
2016 Q4 15,934,880 $409,140,715 -$9,017,870 $25.68 94
2016 Q3 16,333,761 $383,352,117 -$1,017,046 $23.47 106
2016 Q2 16,369,019 $390,709,566 +$2,875,548 $23.87 106
2016 Q1 16,067,602 $397,721,000 -$2,181,953 $24.77 103
2015 Q4 16,233,379 $309,922,809 +$7,633,580 $19.09 90
2015 Q3 15,984,154 $206,619,104 -$5,426,081 $12.85 79
2015 Q2 16,020,209 $304,069,029 -$4,374,080 $18.98 83
2015 Q1 16,245,579 $312,940,548 +$16,041,011 $19.26 81
2014 Q4 15,480,212 $287,729,671 -$5,077,281 $18.33 86
2014 Q3 15,391,700 $314,455,779 -$4,226,235 $20.40 88
2014 Q2 15,546,740 $381,165,916 +$11,652,297 $24.52 94
2014 Q1 15,093,427 $343,623,121 +$13,672,313 $22.77 97
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .