Security key
60649T107
Mistras Group, Inc. - Common stock, $0.01 par value (MG)
CUSIP: 60649T107
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Common stock, $0.01 par value
- Shares outstanding
- 31,704,746
- Total 13F shares
- 18,265,932
- Share change
- +680,733
- Total reported value
- $269,953,907
- Price per share
- $14.78
- Number of holders
- 129
- Value change
- +$10,684,437
- Number of buys
- 54
- Number of sells
- 57
Report period
Q1 2026
Institutions
129
Top holders
10
MG full security history
Previous quarter: Q4 2025
Mistras Group, Inc. SEC filings
Mistras Group, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 60649T107
Recent filing periods:
Top shareholders of MG - Mistras Group, Inc. - Common stock, $0.01 par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Stephanie Athena Foglia |
13D/G
|
Stephanie Foglia |
22%
|
6,862,978
|
$107,611,495 | +$82,522,774 | 31 Dec 2025 | |
| Aspasia Felice Vahaviolos |
13D/G
3/4/5
|
Aspasia Vahaviolos · 10%+ Owner |
19%
|
6,105,650
|
$95,736,592 | $0 | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
|
Company |
5.2%
from 13D/G
|
1,667,846
|
$21,098,467 | — | 31 Dec 2025 | |
| Kristy Vahaviolos Kyriakopoulos |
13D/G
|
Kristy Kyriakopoulos |
5.1%
|
1,617,006
|
$25,354,654 | $0 | 08 Jul 2025 | |
| 2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. Vahaviolos |
3/4/5
|
10%+ Owner |
17%
|
5,251,358
|
$75,567,041 | — | 31 Dec 2025 | |
| Manuel N. Stamatakis |
3/4/5
|
Executive Chairman, Director |
1.6%
|
509,795
|
$7,478,692 | +$77,100 | 04 Mar 2026 | |
| Edward J. Prajzner |
3/4/5
|
Sr. EVP and CFO |
0.47%
|
148,076
|
$2,197,447 | — | 22 Mar 2026 | |
| Hanei W. Hammad |
3/4/5
|
EVP & Chief Operating Officer |
0.19%
|
61,777
|
$781,479 | — | 26 Mar 2026 | |
| Gennaro A. D'Alterio |
3/4/5
|
EVP, Chief Commercial Officer |
0.15%
|
47,239
|
$692,996 | — | 04 Mar 2026 | |
| Mill Road Capital Management LLC |
13F
|
Company |
5.3%
|
1,672,681
|
$21,159,415 | — | 31 Dec 2025 | |
| WEBER CAPITAL MANAGEMENT LLC /ADV |
13F
|
Company |
4.7%
|
1,482,102
|
$18,748,590 | — | 31 Dec 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
4.5%
|
1,421,087
|
$17,976,751 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
3.5%
|
1,109,588
|
$14,036,289 | — | 31 Dec 2025 | |
| IES Holdings, Inc. |
13F
|
Company |
3.4%
|
1,079,841
|
$13,659,989 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
2.8%
|
880,712
|
$11,141,006 | — | 31 Dec 2025 | |
| Clearline Capital LP |
13F
|
Company |
2.2%
|
698,849
|
$8,840,440 | — | 31 Dec 2025 | |
| FEDERATED HERMES, INC. |
13F
|
Company |
2.1%
|
656,032
|
$8,298,805 | — | 31 Dec 2025 | |
| Invenomic Capital Management LP |
13F
|
Company |
1.5%
|
475,692
|
$6,017,504 | — | 31 Dec 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.3%
|
403,043
|
$5,098,494 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
1.2%
|
379,454
|
$4,800,093 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.1%
|
360,480
|
$4,561,503 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
1%
|
330,834
|
$4,185,050 | — | 31 Dec 2025 | |
| Pacific Ridge Capital Partners, LLC |
13F
|
Company |
0.9%
|
283,829
|
$3,590,437 | — | 31 Dec 2025 | |
| CSM Advisors, LLC |
13F
|
Company |
0.85%
|
269,301
|
$3,408,000 | — | 31 Dec 2025 | |
| Empowered Funds, LLC |
13F
|
Company |
0.7%
|
221,436
|
$2,801,165 | — | 31 Dec 2025 | |
| JB CAPITAL PARTNERS LP |
13F
|
Company |
0.64%
|
202,243
|
$2,558,374 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.64%
|
201,600
|
$2,550,240 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.52%
|
163,788
|
$2,071,918 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.52%
|
163,772
|
$2,071,716 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.51%
|
161,047
|
$2,037,244 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.49%
|
156,277
|
$1,976,904 | — | 31 Dec 2025 | |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC |
13F
|
Company |
0.45%
|
142,621
|
$1,804,156 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.44%
|
140,785
|
$1,780,930 | — | 31 Dec 2025 | |
| ALGERT GLOBAL LLC |
13F
|
Company |
0.43%
|
137,250
|
$1,736,000 | — | 31 Dec 2025 | |
| J. Goldman & Co LP |
13F
|
Company |
0.42%
|
134,200
|
$1,697,630 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.42%
|
132,955
|
$1,681,881 | — | 31 Dec 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.39%
|
124,282
|
$1,572,167 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.36%
|
112,931
|
$1,428,577 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.33%
|
105,993
|
$1,340,810 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.32%
|
102,897
|
$1,301,647 | — | 31 Dec 2025 | |
| Inspire Investing, LLC |
13F
|
Company |
0.32%
|
101,661
|
$1,286,012 | — | 31 Dec 2025 | |
| Informed Momentum Co LLC |
13F
|
Company |
0.3%
|
96,263
|
$1,217,727 | — | 31 Dec 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.28%
|
90,017
|
$1,138,715 | — | 31 Dec 2025 | |
| RITHOLTZ WEALTH MANAGEMENT |
13F
|
Company |
0.27%
|
86,003
|
$1,087,938 | — | 31 Dec 2025 | |
| First Eagle Investment Management, LLC |
13F
|
Company |
0.24%
|
77,219
|
$976,820 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.21%
|
67,936
|
$859,390 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.21%
|
66,181
|
$837,189 | — | 31 Dec 2025 | |
| Raiffeisen Bank International AG |
13F
|
Company |
0.21%
|
65,000
|
$832,000 | — | 31 Dec 2025 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.18%
|
58,618
|
$741,518 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.18%
|
56,879
|
$719,519 | — | 31 Dec 2025 |
Institutional Holders of Mistras Group, Inc. - Common stock, $0.01 par value (MG) as of Q1 2026
As of 31 Mar 2026,
Mistras Group, Inc. - Common stock, $0.01 par value (MG) was held by
129 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
18,265,932 shares.
The largest 10 holders included
Mill Road Capital Management LLC, DIMENSIONAL FUND ADVISORS LP, ROYCE & ASSOCIATES LP, WEBER CAPITAL MANAGEMENT LLC /ADV, IES Holdings, Inc., VANGUARD CAPITAL MANAGEMENT LLC, BlackRock, Inc., FEDERATED HERMES, INC., Clearline Capital LP, and Invenomic Capital Management LP.
This page lists
129
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
122
Q1 2026 holders
129
Holder diff
7
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.