Lbp Am Sa’s holdings in Martin Marietta Materials were worth $1,208,000 at the end of the most recent reporting period. Get Martin Marietta Materials alerts:Wall Street Analysts Forecast GrowthA number of research firms recently commented on MLM. Martin Marietta Materials Price PerformanceMartin Marietta Materials stock opened at $649.70 on Thursday. About 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.