Chronology 13F
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Martin Marietta Materials

MLM · Materials

1 whale investor · Q1 2026

Whale investors

Concentrated managers reporting this company in Q1 2026.

1 holders
  1. Gardner Russo & QuinnThomas Russo
    EquityQ1 2026
    $421.15M4.96% portfolio

Holdings reflect reported 13F data for Q1 2026 and may be delayed or incomplete.