Latest 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 Q2 2026
Institutions Reporting
117
Shares (Excl. Options)
2,883,284
Price
$99.15
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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
- 2,883,284
- Total 13F value
- $285,701,148
- Portfolio coverage rank
- 0%
- Share change
- +803,715
- Value change
- +$86,765,582
- Number of holders
- 117
- Shares outstanding
- 4,330,610
- SEC-reported price per share
- $83.58
- Insider filing price
- $83.58
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.
- 117 institutions reported positions in Q2 2026.
- 3 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 $285,701,148.
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
Latest holder period
Q2 2026
13F holders
117
13D/G owners
3
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
3
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 |
| 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 2,883,284 shares of M-tron Industries, Inc. - COMMON STOCK (MPTI). This represents 67% of the company’s total 4,330,610 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 | 3.1% | 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 | 1.4% | 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 | 0.71% | 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
15
Latest
Q2 2026
Rows shown
1-15 of 15
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 2,883,284 | $285,701,148 | +$86,765,582 | $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 |