13F reference period
Q2 2026
Security Snapshot
M-tron Industries, Inc. - Common Stock (MPTI) Institutional Ownership
CUSIP: 55380K109
13F Institutional Holders and Ownership History from Q4 2022 to Q3 2026
Institutions Reporting
117
Shares (Excl. Options)
2,883,206
Price
$99.15
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
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- Security type / class
- Equity / Common Stock
- Symbol
- MPTI on NYSE
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 2,883,206
- Total 13F value
- $285,693,415
- Portfolio coverage rank
- 0%
- Share change
- +803,487
- Value change
- +$86,742,976
- Number of holders
- 117
- Shares outstanding
- 4,346,723
- SEC-reported price per share
- $78.26
- Insider filing price
- $78.26
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
Filing notes and source
Key facts
- MPTI - M-tron Industries, Inc. - Common Stock is tracked under CUSIP 55380K109.
- 117 institutions reported positions in Q2 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 97 to 117 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $138,514,726 to $285,693,415.
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 117 institutions filings for Q2 2026.
Security key
55380K109
13F reference period
Q2 2026
13F holders
117
13D/G owners
4
CIK / CUSIP context first
Open Q2 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
4
Security
MPTI
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 5.9% | $23,256,156 | 255,506 | T. Rowe Price Investment Management, Inc. | 30 Jun 2026 | |||
| BlackRock, Inc. | 5.8% | -22% | $24,844,387 | -$3,178,349 | 250,574 | -11% | BlackRock, Inc. | 30 Jun 2026 |
| ROYCE & ASSOCIATES LP | 5.3% | $17,961,218 | 229,507 | ROYCE & ASSOCIATES LP | 30 Sep 2026 | |||
| BANK OF AMERICA CORP /DE/ | 0.5% | -93% | $1,795,734 | -$17,540,282 | 19,729 | -91% | BANK OF AMERICA CORP /DE/ | 30 Jun 2026 |
As of 30 Jun 2026, 117 institutional investors reported holding 2,883,206 shares of M-tron Industries, Inc. - Common Stock (MPTI). This represents 66% of the company’s total 4,346,723 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
53%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 5.9% | 255,506 | 0.02% | $25,334,000 | |
| BlackRock, Inc. | 5.8% | 252,972 | +78% | 0% | $25,082,174 |
| GAMCO INVESTORS, INC. ET AL | 4.6% | 201,280 | +20% | 0.18% | $19,956,912 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4% | 173,148 | +48% | 0% | $17,167,624 |
| ROYCE & ASSOCIATES LP | 3.6% | 156,595 | +1781% | 0.13% | $15,526,394 |
| TWO SIGMA INVESTMENTS, LP | 3% | 132,465 | +112% | 0.01% | $13,133,905 |
| NEXT CENTURY GROWTH INVESTORS LLC | 2.9% | 124,173 | +15% | 0.65% | $12,311,752 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 100,646 | +57% | 0% | $9,980,957 |
| RENAISSANCE TECHNOLOGIES LLC | 2.2% | 96,005 | -0.81% | 0.01% | $9,518,896 |
| STATE STREET CORP | 1.9% | 82,493 | +86% | 0% | $8,179,181 |
| Palisades Investment Partners, LLC | 1.9% | 82,296 | +1.6% | 2.3% | $8,159,648 |
| CONGRUENCE CAPITAL, LLC | 1.5% | 66,701 | +58% | 1.7% | $6,613,404 |
| ADVISORY RESEARCH INC | 1.4% | 59,011 | +17% | 0.58% | $5,850,941 |
| HERALD INVESTMENT MANAGEMENT Ltd | 1.3% | 58,500 | +6.4% | 0.79% | $5,789,745 |
| Grandeur Peak Global Advisors, LLC | 1.3% | 56,681 | +11% | 1.3% | $5,619,921 |
| D. E. Shaw & Co., Inc. | 1.1% | 48,493 | +795% | 0% | $4,808,081 |
| DIMENSIONAL FUND ADVISORS LP | 1.1% | 47,681 | +6% | 0% | $4,727,529 |
| HUNTER ASSOCIATES INVESTMENT MANAGEMENT LLC | 1.1% | 46,804 | 0.53% | $4,630,000 | |
| BARD ASSOCIATES INC | 1% | 44,578 | -48% | 0.98% | $4,419,909 |
| Aristides Capital LLC | 0.95% | 41,209 | -37% | 1% | $4,085,872 |
| NORTHERN TRUST CORP | 0.92% | 39,832 | +40% | 0% | $3,949,343 |
| Potrero Capital Research LLC | 0.88% | 38,161 | +20% | 2.3% | $3,783,663 |
| NEW YORK STATE COMMON RETIREMENT FUND | 0.73% | 31,660 | 0% | 0% | $3,139,089 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.71% | 30,954 | +56% | 0% | $3,069,089 |
| BNP PARIBAS FINANCIAL MARKETS | 0.7% | 30,583 | 0% | 0% | $3,032,304 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
16
Headline period
Q2 2026
Rows shown
1-16 of 16
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 121,230 | $9,486,445 | +$2,350,050 | $78.26 | 16 |
| 2026 Q2 | 2,883,206 | $285,693,415 | +$86,742,976 | $99.15 | 117 |
| 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 |