Martin Marietta Materials (MLM)
Materials ยท Mining & Quarrying of Nonmetallic Minerals (No Fuels)
Martin Marietta Materials (MLM) is listed on the New York Stock Exchange, where its shares have traded since February 16, 1994. SentiSense covers Martin Marietta Materials in the Materials sector, and its Standard Industrial Classification is Mining & Quarrying of Nonmetallic Minerals (No Fuels). The company reports 9,600 employees, and its corporate website is www.martinmarietta.com.
About Martin Marietta Materials
Martin Marietta is a leading US producer of construction aggregates, having produced roughly 200 million tons in 2025. Its aggregate reserves represent approximately 85 years of supply at 2025 production levels. Over the past several years, the company has increased its exposure to aggregates while reducing its presence in cement and downstream businesses such as concrete and asphalt. More recently, Martin Marietta expanded into an aggregate-adjacent business through its acquisition of Lhoist North America, the largest US producer of lime. The company operates across 28 states, with smaller operations in Canada and the Bahamas.
Latest reported results
Martin Marietta Materials, Inc. reported revenue of $1.95 billion for Q2 FY2026, up 7.5% from the same period a year earlier.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 1,058 institutions reported holding MLM, with 58.9 million shares worth $33.9 billion in aggregate. The largest reported holders were Vanguard, BlackRock and State Street. Of the 5 largest reported holders, 4 added shares and 1 reduced its position during the quarter.
More on MLM
- MLM sentiment: whether news and social coverage of Martin Marietta Materials leans bullish or bearish, and the stories driving it.
- MLM ownership: all 1,058 reporting institutions, plus insider and congressional trades.
- MLM financials: revenue, net income, operating margin and free cash flow through Q2 FY2026.
Frequently asked questions
What does Martin Marietta Materials do?
Martin Marietta is a leading US producer of construction aggregates, having produced roughly 200 million tons in 2025.
What sector is MLM in?
SentiSense classifies Martin Marietta Materials in the Materials sector, and its Standard Industrial Classification is Mining & Quarrying of Nonmetallic Minerals (No Fuels).
Where does MLM stock trade?
Martin Marietta Materials (MLM) is listed on the New York Stock Exchange, where its shares have traded since February 16, 1994.
How many institutions own MLM?
1,058 institutions reported a position in MLM in 13F filings for the quarter ended June 30, 2026, worth $33.9 billion in total.