MARTIN MARIETTA MATLS INC COM is a security (CUSIP 573284956) tracked across SEC portfolio filings. 4 institutional managers reported $8.3M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $7.9M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $294K | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $59K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |