Security key
60649T107
Mistras Group, Inc. - Common stock, $0.01 par value (MG)
CUSIP: 60649T107
Q3 2025 13F Holders as of 30 Sep 2025
- Security type / class
- Equity / Common stock, $0.01 par value
- Total 13F shares
- 15,916,078
- Total 13F value
- $156,623,642
- Share change
- +287,436
- Put/Call ratio
- 68%
- SEC-reported price per share
- $9.84
- Number of holders
- 109
- Value change
- +$3,229,336
- Number of buys
- 41
- Number of sells
- 55
- Shares outstanding
- 31,704,746
Holder snapshot
7 signals
Show 1 more signal
Security identity
1 source field
Report period
Q3 2025
Institutions
109
Top holders
10
MG full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
Mistras Group, Inc. SEC filings
Mistras Group, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 60649T107
Recent filing periods:
Ownership snapshot
Top reported holders 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. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
DIMENSIONAL FUND ADVISORS LP
Disclosed value leader
Kristy Vahaviolos Kyriako...
Comparable rows
15/15
Latest evidence
08 Jul 2025
13D/G
13F
Lead comparable stake: 5.2%
13D/G row: DIMENSIONAL FUND ADVISORS LP
Showing 1-6 of 15 holder rows.
Quick read
DIMENSIONAL FUND ADVISORS LP leads the comparable SEC ownership view at 5.2%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Comparable ownership
Top 5
DIMENSIONAL FUND ADVISORS LP
5.2%
Kristy Vahaviolos Kyriakopoulos
5.1%
Mill Road Capital Management LLC
5.3%
ROYCE & ASSOCIATES LP
4%
BlackRock, Inc.
3.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
Company
|
5.2%
|
$13,001,359
1,623,141 shares
|
$0 | 30 Jun 2025 |
| Kristy Vahaviolos Kyriakopoulos |
13D/G
Kristy Kyriakopoulos
|
5.1%
|
$25,354,654
1,617,006 shares
|
$0 | 08 Jul 2025 |
| Mill Road Capital Management LLC |
13F
Company
|
5.3%
|
$13,358,125
1,667,681 shares
|
— | 30 Jun 2025 |
| ROYCE & ASSOCIATES LP |
13F
Company
|
4%
|
$10,182,769
1,271,257 shares
|
— | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
3.9%
|
$9,805,508
1,224,158 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
3.8%
|
$9,571,894
1,194,993 shares
|
— | 30 Jun 2025 |
How to read this table
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.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
109
Shares
15,916,078
Rows available
109
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
106
Q3 2025 holders
109
Holder diff
3
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend