M-Tron Industries Inc Rights/Warrants is a security (CUSIP 55380K133) tracked across SEC portfolio filings. 30 institutional managers reported $2.9M on Form 13F as of 2026-06-30; 6 registered fund positions totaling $91K via N-PORT as of 2026-03-31.
Showing 15 of 30 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| EAM Investors, LLC | Solana Beach, CA | $1.0M | 30,226 |
| GAMCO INVESTORS, INC. ET AL | GREENWICH, CT | $338K | 168,400 |
| BlackRock, Inc. | New York, NY | $296K | 140,912 |
| RENAISSANCE TECHNOLOGIES LLC | NEW YORK, NY | $205K | 97,471 |
| Archon Capital Management LLC | Seattle, WA | $164K | 78,233 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $136K | 64,734 |
| TWO SIGMA INVESTMENTS, LP | New York, NY | $122K | 57,858 |
| UBS Group AG | Zurich, V8 | $108K | 51,397 |
| STATE STREET CORP | BOSTON, MA | $88K | 41,995 |
| MARSHALL WACE, LLP | LONDON, X0 | $83K | — |
| CITADEL ADVISORS LLC | 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 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $75K | 0.01% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $9K | 0.02% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $3K | 0.00% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $3K | 0.00% |
| DWS Small Cap Index VIP | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $798 | 0.02% |
| TIAA Separate Account VA-1 - Stock Index Account | TIAA Separate Account VA-1 | $454 | 0.00% |