M-TRON INDS INC *W EXP 04/25/202 is a security (CUSIP 55380K125) tracked across SEC portfolio filings. 3 institutional managers reported $32K on Form 13F as of 2025-09-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| CLEAR STREET LLC | NEW YORK, NY | $31K | 30,332 |
| OPTIMUM INVESTMENT ADVISORS | Chicago, IL | $350 | 200 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | 0 |