As of November 7, 2026, 3 holders' latest Schedule 13D or 13G filings report owning 5% or more of M-tron Industries Inc. The largest reported stake is T. Rowe Price Investment Management, Inc.'s, at 5.9%. 7 filings are on record since March 27, 2026 (Schedule 13G, August 14, 2026).
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Key facts
- · Reporting person: Royce & Associates LP · Sole voting: 229,507 · Shared voting: 0 · Sole dispositive: 229,507 · Shared dispositive: 0 · SCHEDULE 13G, 2026-10-23
- · Reporting person: T. Rowe Price Investment Management, Inc. · Sole voting: 255,506 · Shared voting: 0 · Sole dispositive: 255,506 · Shared dispositive: 0 · SCHEDULE 13G, 2026-08-14
- · Reporting person: Bank Of America Corp · Sole voting: 0 · Shared voting: 17,594 · Sole dispositive: 0 · Shared dispositive: 19,729 · SCHEDULE 13G/A, 2026-08-03
- · Reporting person: BlackRock, Inc. · Sole voting: 246,652 · Shared voting: 0 · Sole dispositive: 250,574 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-07-29
- · Holder: Bank Of America Corp · Percent: 6.1% · SCHEDULE 13G
M-tron Industries Inc has 7 Schedule 13D or 13G filings on record since 2026-03-27. 3 holders' latest filing reports 5% or more of common stock. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 5.9% | 255,506 | SCHEDULE 13G, 2026-08-14 | 2026-06-30 |
| BlackRock, Inc. | 5.8% | 250,574 | SCHEDULE 13G/A, 2026-07-29 | 2026-06-30 |
| Royce & Associates LP | 5.28% | 229,507 | SCHEDULE 13G, 2026-10-23 | 2026-09-30 |
| Gamco Investors, Inc. Et Al | 4.7% | 0 | SCHEDULE 13D/A, 2026-03-27 | 2026-03-26 |
| Bank Of America Corp | 0.5% | 19,729 | SCHEDULE 13G/A, 2026-08-03 | 2026-06-30 |
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More on M-tron Industries Inc and the records around it.
M-tron Industries Inc elsewhere on the record
Companies that share a holder
- GAMCO INVESTORS, INC. ET AL also filed stake reports on 45 other companies: WESTWOOD HOLDINGS GROUP INC (Nov 2026), NATHANS FAMOUS, INC. (Oct 2026), BEASLEY BROADCAST GROUP INC (Oct 2026)
- ROYCE & ASSOCIATES LP also filed stake reports on 61 other companies: Aetherion Technoligies Inc. (Oct 2026), Andersen Group Inc (Oct 2026), NN, Inc. (Oct 2026)
- BANK OF AMERICA CORP /DE/ also filed stake reports on 74 other companies: BlackRock 2037 Municipal Target Term Trust (Nov 2026), TRIMAS CORP (Nov 2026), PIMCO CALIFORNIA MUNICIPAL INCOME FUND (Nov 2026)
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 255,506 | 0 | 255,506 | 0 | SCHEDULE 13G, 2026-08-14 |
| BlackRock, Inc. | 246,652 | 0 | 250,574 | 0 | SCHEDULE 13G/A, 2026-07-29 |
| Royce & Associates LP | 229,507 | 0 | 229,507 | 0 | SCHEDULE 13G, 2026-10-23 |
| Bank Of America Corp | 0 | 17,594 | 0 | 19,729 | SCHEDULE 13G/A, 2026-08-03 |
The latest filing identifies M-tron Industries Inc by CUSIP 55380K109 and gives its principal executive office as 2525 Shader Road, Orlando, FL 32804 (SCHEDULE 13G, 2026-10-23).
Purpose of Transaction (Item 4)
Gamco Investors, Inc. Et Al
The Reporting Persons file the long form Schedule 13D pursuant to Section 13d-1 of the Securities Exchange Act of 1934 (the "Act") even though they may be technically eligible to file the short form Schedule G. Because the Reporting Persons may regularly communicate with the Issuer's management, filing the Schedule 13D ensures that these conversations are compliant with the reporting obligations under the Exchange Act.Item 4 of the SCHEDULE 13D/A filed 2026-03-27
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2026-03-27 | Gamco Investors, Inc. Et Al | 4.7% | SCHEDULE 13D/A |
| 2026-04-27 | BlackRock, Inc. | 7.6% | SCHEDULE 13G |
| 2026-05-14 | Bank Of America Corp | 6.1% | SCHEDULE 13G |
| 2026-07-29 | BlackRock, Inc. | 5.8% | SCHEDULE 13G/A |
| 2026-08-03 | Bank Of America Corp | 0.5% | SCHEDULE 13G/A |
| 2026-08-14 | T. Rowe Price Investment Management, Inc. | 5.9% | SCHEDULE 13G |
| 2026-10-23 | Royce & Associates LP | 5.28% | SCHEDULE 13G |
Questions about who owns M-tron Industries Inc
Who owns M-tron Industries Inc?
On this page, 3 holders' latest ownership filings report 5% or more of M-tron Industries Inc: T. Rowe Price Investment Management, Inc. (5.9%, Schedule 13G, filed 2026-08-14), BlackRock, Inc. (5.8%, Schedule 13G/A, filed 2026-07-29) and Royce & Associates LP (5.28%, Schedule 13G, filed 2026-10-23).
Who are the largest shareholders of M-tron Industries Inc?
By the share each holder's latest filing reports, the largest holders of M-tron Industries Inc on this page are T. Rowe Price Investment Management, Inc. (5.9%), BlackRock, Inc. (5.8%) and Royce & Associates LP (5.28%).
When did T. Rowe Price Investment Management, Inc. buy into M-tron Industries Inc?
The filings give report dates, not purchase dates. The earliest filing from T. Rowe Price Investment Management, Inc. on this page is the Schedule 13G, filed 2026-08-14, reporting 5.9%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 7 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.