All companies
Martin Marietta Materials logo

What smart money is saying about Martin Marietta MaterialsUnited States flag

MLM · Basic Materials · Construction Materials · Market cap $38.04B

1 fund in our archive has pitched Martin Marietta Materials — most recently Diamond Hill Mid Cap Fund in March 2025.

Company profile

Martin Marietta Materials, Inc., a natural resource-based building materials company, supplies aggregates and heavy-side building materials to the construction industry in the United States and internationally. It offers crushed stone, sand, and gravel products; ready mixed concrete and asphalt; paving products and services; and Portland and specialty cement for use in the infrastructure projects, and nonresidential and residential construction markets, as well as in the railroad, agricultural, utility, and environmental industries. The company also produces magnesia-based chemicals products that are used in industrial, agricultural, and environmental applications; and dolomitic lime primarily to customers for steel production and soil stabilization. Its chemical products are used in flame retardants, wastewater treatment, pulp and paper production, and other environmental applications. The company was founded in 1939 and is headquartered in Raleigh, North Carolina.

Get an email when a fund writes about it

Summarize with Warren AI
2
Reported positions
0
Bought
0
Sold
3
Letters

Position history

Between Q1 2025 and Q2 2026, 2 fund letters reported a position in Martin Marietta Materials, with no move described.

Fund letters reporting a position in Martin Marietta Materials, by quarter
QuarterLettersBoughtSoldTheses
Q2 20262000
Q1 20250001

Fund activity · 2 positions

  • HoldsThe London Company Large Cap Strategy
    June 2026
    Martin Marietta Materials, Inc. (MLM) – MLM declined as pricing was temporarily impacted by acquisition mix and softer residential and light non-residential construction activity.
    Read the letterMartin Marietta Materials
  • HoldsMD SASS Concentrated Value
    June 2026
    the effect was compounded by our ownership of businesses with meaningful commodity input costs, including Primo Brands (PRMB), Somnigroup (SGI), and Martin Marietta (MLM),
    Read the letterMartin Marietta Materials

Fund coverage · 1 thesis

  • Diamond Hill Mid Cap Fund
    March 2025

    Martin Marietta Materials is a strategically positioned heavy building materials supplier poised for growth, making it an attractive investment opportunity following recent share price pressures.

    Read the full thesis

Read every full thesis on Martin Marietta Materials

Unlock all 1 thesis — the full reasoning behind what funds are buying, plus unlimited access to the entire archive.

View plans
Share this ledger