Confluence Investment Management LLC’s holdings in Martin Marietta Materials were worth $30,108,000 as of its most recent SEC filing. Get Martin Marietta Materials alerts:Martin Marietta Materials Trading Up 3.4%Shares of NYSE:MLM opened at $542.86 on Tuesday. Martin Marietta Materials Dividend AnnouncementMartin Marietta Materials ( NYSE:MLM Get Free Report ) last posted its quarterly earnings data on Thursday, July 30th. View Our Latest Report on Martin Marietta MaterialsAbout Martin Marietta Materials(Free Report)Martin Marietta Materials, Inc (NYSE: MLM) is a leading producer of aggregates and heavy building materials serving the construction and infrastructure markets. Receive News & Ratings for Martin Marietta Materials Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Martin Marietta Materials and related companies with MarketBeat.com's FREE daily email newsletter.