M-TRON INDUSTRIES INC EQUITY is a security (CUSIP 55380K109) tracked across SEC portfolio filings. 101 institutional managers reported $140.5M on Form 13F as of 2026-06-30; 9 registered fund positions totaling $6.1M via N-PORT as of 2026-05-31.
Showing 15 of 101 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| GAMCO INVESTORS, INC. ET AL | GREENWICH, CT | $11.3M | 168,400 |
| BlackRock, Inc. | New York, NY | $9.5M | 141,748 |
| Palisades Investment Partners, LLC | SANTA MONICA, CA | $8.2M | 82,296 |
| VANGUARD GROUP INC | Valley Forge, PA | $7.6M | 143,581 |
| NEXT CENTURY GROWTH INVESTORS LLC | PLYMOUTH, MN | $7.2M | 108,220 |
| RENAISSANCE TECHNOLOGIES LLC | NEW YORK, NY | $6.5M | 96,789 |
| HERALD INVESTMENT MANAGEMENT Ltd | LONDON, X0 | $5.8M | 58,500 |
| BARD ASSOCIATES INC | CHICAGO, IL | $5.7M | 85,518 |
| Archon Capital Management LLC | Seattle, WA | $5.2M | 78,233 |
| NOMURA HOLDINGS INC | TOKYO, M0 | $4.8M | 72,516 |
| Aristides Capital LLC | LOUISVILLE, KY | $4.4M | 65,673 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $4.3M | 63,931 |
| TWO SIGMA INVESTMENTS, LP | New York, NY | $4.2M | 62,463 |
| MARSHALL WACE, LLP | LONDON, X0 | $3.4M | 51,593 |
| Grandeur Peak Global Advisors, LLC | SALT LAKE CITY, UT | $3.4M | 50,848 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $2.4M | 0.29% |
| VANGUARD RUSSELL 2000 INDEX FUND | VANGUARD SCOTTSDALE FUNDS | $1.5M | 0.88% |
| GRANDEUR PEAK GLOBAL REACH FUND | Grandeur Peak Global Trust | $914K | 109.07% |
| U.S. MICRO CAP PORTFOLIO | DFA INVESTMENT DIMENSIONS GROUP INC | $699K | 0.94% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $284K | 0.59% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $106K | 0.02% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $89K | 0.03% |
| DWS Small Cap Index VIP | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $25K | 0.61% |
| TIAA Separate Account VA-1 - Stock Index Account | TIAA Separate Account VA-1 | $14K | 0.11% |