Latest Period
Q1 2026
Security Snapshot
M-tron Industries, Inc. - Common Stock (MPTI) Institutional Ownership
CUSIP: 55380K109
13F Institutional Holders and Ownership History from Q4 2022 to Q1 2026
Institutions Reporting
97
Shares (Excl. Options)
2,071,895
Price
$66.85
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- Security type / class
- Equity / Common Stock
- Symbol
- MPTI on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 2,071,895
- Total 13F value
- $138,514,726
- Portfolio coverage rank
- 0%
- Share change
- +430,653
- Value change
- +$28,941,498
- Number of holders
- 97
- Shares outstanding
- 3,482,574
- SEC-reported price per share
- $81.20
- Insider filing price
- $81.20
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MPTI - M-tron Industries, Inc. - Common Stock is tracked under CUSIP 55380K109.
- 97 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 85 to 97 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $86,472,369 to $138,514,726.
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
Open SEC evidence
Latest holder context comes from 97 institutions filings for Q1 2026.
Security key
55380K109
Latest holder period
Q1 2026
13F holders
97
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
MPTI full holder history
M-tron Industries, Inc. SEC filings
M-tron Industries, Inc. company facts
M-tron Industries, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 55380K109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
MPTI
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 7.6% | $18,894,126 | 282,630 | BlackRock, Inc. | 31 Mar 2026 | |||
| BANK OF AMERICA CORP /DE/ | 6.1% | $14,197,165 | 212,437 | BANK OF AMERICA CORP /DE/ | 31 Mar 2026 |
As of 31 Mar 2026, 97 institutional investors reported holding 2,071,895 shares of M-tron Industries, Inc. - Common Stock (MPTI). This represents 59% of the company’s total 3,482,574 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
48%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| GAMCO INVESTORS, INC. ET AL | 4.8% | 168,400 | -3.4% | 0.11% | $11,257,540 |
| BlackRock, Inc. | 4.1% | 141,748 | +4.7% | 0% | $9,475,855 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.4% | 116,768 | 0% | 0% | $7,805,941 |
| NEXT CENTURY GROWTH INVESTORS LLC | 3.1% | 108,220 | -1.5% | 0.52% | $7,234,507 |
| RENAISSANCE TECHNOLOGIES LLC | 2.8% | 96,789 | +60% | 0.01% | $6,470,345 |
| BARD ASSOCIATES INC | 2.5% | 85,518 | -0.71% | 1.4% | $5,716,879 |
| Palisades Investment Partners, LLC | 2.3% | 81,027 | +21% | 2.1% | $5,416,655 |
| Archon Capital Management LLC | 2.2% | 78,233 | -34% | 3% | $5,229,876 |
| NOMURA HOLDINGS INC | 2.1% | 72,516 | 0.05% | $4,847,695 | |
| Aristides Capital LLC | 1.9% | 65,673 | +21% | 1.5% | $4,390,240 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8% | 63,931 | +12% | 0% | $4,274,806 |
| TWO SIGMA INVESTMENTS, LP | 1.8% | 62,463 | +190% | 0% | $4,175,652 |
| HERALD INVESTMENT MANAGEMENT Ltd | 1.6% | 55,000 | -18% | 0.51% | $3,685,550 |
| MARSHALL WACE, LLP | 1.5% | 51,593 | +231% | 0% | $3,448,992 |
| Grandeur Peak Global Advisors, LLC | 1.5% | 50,848 | +15% | 0.8% | $3,399,189 |
| ADVISORY RESEARCH INC | 1.5% | 50,543 | +42% | 0.42% | $3,378,800 |
| DIMENSIONAL FUND ADVISORS LP | 1.3% | 44,988 | +6% | 0% | $3,007,133 |
| STATE STREET CORP | 1.3% | 44,283 | +24% | 0% | $2,960,319 |
| Congruence Capital, LLC | 1.2% | 42,256 | 0.95% | $2,824,814 | |
| Cable Car Capital, LP | 1.1% | 40,000 | 0.92% | $2,674,000 | |
| Potrero Capital Research LLC | 0.91% | 31,801 | 1.3% | $2,125,897 | |
| NEW YORK STATE COMMON RETIREMENT FUND | 0.91% | 31,660 | 0% | 0% | $2,116,471 |
| NORTHERN TRUST CORP | 0.82% | 28,433 | +11% | 0% | $1,900,746 |
| Illumine Investment Management, LLC | 0.69% | 24,093 | -2.2% | 1.2% | $1,610,617 |
| CITADEL ADVISORS LLC | 0.65% | 22,755 | +81% | 0% | $1,521,172 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
14
Latest
Q1 2026
Rows shown
1-14 of 14
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 2,071,895 | $138,514,726 | +$28,941,498 | $66.85 | 97 |
| 2025 Q4 | 1,624,930 | $86,472,369 | +$9,467,486 | $53.22 | 85 |
| 2025 Q3 | 1,426,317 | $78,704,857 | +$2,727,452 | $55.48 | 84 |
| 2025 Q2 | 1,366,502 | $57,379,704 | +$15,426,367 | $42.00 | 70 |
| 2025 Q1 | 1,014,800 | $45,177,643 | -$3,469,309 | $44.54 | 56 |
| 2024 Q4 | 1,085,179 | $52,555,162 | +$16,372,862 | $48.43 | 58 |
| 2024 Q3 | 727,094 | $30,368,854 | +$1,841,132 | $41.69 | 37 |
| 2024 Q2 | 683,450 | $24,063,748 | -$970,436 | $35.21 | 29 |
| 2024 Q1 | 666,206 | $19,987,158 | +$2,094,498 | $30.00 | 34 |
| 2023 Q4 | 586,727 | $20,945,644 | -$344,277 | $35.70 | 27 |
| 2023 Q3 | 595,524 | $10,538,118 | -$109,201 | $17.70 | 19 |
| 2023 Q2 | 601,844 | $6,680,651 | +$160,314 | $11.10 | 18 |
| 2023 Q1 | 588,033 | $6,320,554 | -$562,077 | $10.75 | 19 |
| 2022 Q4 | 646,232 | $5,676,805 | +$5,412,753 | $8.75 | 23 |