Security key
55380K109
M-tron Industries, Inc. - COMMON STOCK (MPTI)
CUSIP: 55380K109
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 1,624,930
- Total 13F value
- $86,472,369
- Share change
- +180,051
- SEC-reported price per share
- $53.22
- Number of holders
- 85
- Value change
- +$9,467,486
- Number of buys
- 37
- Number of sells
- 36
- Shares outstanding
- 4,330,610
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
85
Top holders
10
MPTI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
M-tron Industries, Inc. SEC filings
M-tron Industries, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 55380K109
Recent filing periods:
Ownership snapshot
Top reported holders of MPTI - M-tron Industries, Inc. - COMMON STOCK (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
GAMCO INVESTORS, INC. ET AL
Disclosed value leader
GAMCO INVESTORS, INC. ET AL
Comparable rows
15/15
Latest evidence
30 Sep 2025
13F
Lead comparable stake: 3.3%
Showing 1-6 of 15 holder rows.
Quick read
GAMCO INVESTORS, INC. ET AL leads the comparable SEC ownership view at 3.3%.
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.
Open SEC evidence
Opens GAMCO INVESTORS, INC. ET AL's linked filing trail.
Comparable ownership
Top 5
GAMCO INVESTORS, INC. ET AL
3.3%
BlackRock, Inc.
3%
VANGUARD GROUP INC
2.9%
Archon Capital Management LLC
2.7%
NEXT CENTURY GROWTH INVESTORS LLC
2%
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 |
|---|---|---|---|---|---|
| GAMCO INVESTORS, INC. ET AL |
13F
Company
|
3.3%
|
$7,850,420
141,500 shares
|
— | 30 Sep 2025 |
| BlackRock, Inc. |
13F
Company
|
3%
|
$7,323,027
131,994 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
2.9%
|
$7,023,324
126,592 shares
|
— | 30 Sep 2025 |
| Archon Capital Management LLC |
13F
Company
|
2.7%
|
$6,559,567
118,233 shares
|
— | 30 Sep 2025 |
| NEXT CENTURY GROWTH INVESTORS LLC |
13F
Company
|
2%
|
$4,829,534
87,050 shares
|
— | 30 Sep 2025 |
| BARD ASSOCIATES INC |
13F
Company
|
2%
|
$4,828,813
87,037 shares
|
— | 30 Sep 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 Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
85
Shares
1,624,930
Rows available
85
| 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 Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
84
Q4 2025 holders
85
Holder diff
1
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend