# M-Tron Industries Inc Rights/Warrants

M-Tron Industries Inc Rights/Warrants is a security (CUSIP 55380K133) tracked across SEC portfolio filings. 27 institutional managers reported $2.5M on Form 13F as of 2026-06-30; 6 registered fund positions totaling $91K via N-PORT as of 2026-03-31.

## Summary

- Issuer: M-Tron Industries Inc
- Class: Rights/Warrants
- CUSIP: 55380K133
- Asset category: EC
- 13F holders: 27
- 13F value: $2.5M
- 13F period: 2026-06-30
- N-PORT fund positions: 6
- N-PORT value: $91K
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 27 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| EAM Investors, LLC | Solana Beach, CA | $1.0M | 30,226 |
| [GAMCO INVESTORS, INC. ET AL](https://search.stillhousedata.com/firm/104950) | GREENWICH, CT | $338K | 168,400 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $205K | 97,471 |
| [Archon Capital Management LLC](https://search.stillhousedata.com/firm/130499) | Seattle, WA | $164K | 78,233 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $136K | 64,734 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $122K | 57,858 |
| UBS Group AG | Zurich, V8 | $108K | 51,397 |
| [MARSHALL WACE, LLP](https://search.stillhousedata.com/firm/160885) | LONDON, X0 | $83K | — |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $59K | 28,072 |
| Congruence Capital, LLC | LOS ANGELES, CA | $42K | 42,256 |
| SEI INVESTMENTS CO | OAKS, PA | $39K | 18,398 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $32K | 15,152 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $31K | 14,562 |
| Nuveen, LLC | CHARLOTTE, NC | $21K | 10,077 |
| FIRST TRUST ADVISORS LP | Wheaton, IL | $21K | 10,011 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $75K | 0.01% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $9K | 0.02% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $3K | 0.00% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $3K | 0.00% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $798 | 0.02% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $454 | 0.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/55380K133.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.