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MARTIN MARIETTA MATERIALS INC (MLM) Institutional Holdings & 13F Ownership
Martin Marietta Materials, Inc., a natural resource-based building materials company, supplies. Review MLM institutional holders, 13F ownership, and position changes on Finoriq.
Company Snapshot
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 operates through East Group and West Group segments. The company offers crushed stone, sand, and gravel products; ready mixed concrete and asphalt; and paving products and services for use in the infrastructure projects, and nonresidential and residential construction projects, as well as in the railroad, agricultural, utility, and environmental industries. It also produces magnesia-based chemicals products, 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 applications. The company was founded in 1939 and is based in Raleigh, North Carolina.
- Company
- MARTIN MARIETTA MATERIALS INC (MLM)
- Ticker
- MLM
- Market Cap
- $33.3B
- Latest Price
- $552
- Industry
- Nonmetallic Minerals
MARTIN MARIETTA MATERIALS INC (MLM) Top Institutional Holders
Top current 13F holders indexed for MARTIN MARIETTA MATERIALS INC (MLM). Latest period 2026-03-31.
| Rank | Investor | Value | Portfolio | Filing |
|---|---|---|---|---|
| 1 | Thomas RussoCIK 0000860643 | $421.1M | 5.0% | Filing2026-05-13 |
| 2 | Wallace WeitzCIK 0000883965 | $23.4M | 1.6% | Filing2026-05-14 |
| 3 | Joel GreenblattCIK 0001510387 | $12.9M | 0.04% | Filing2026-05-15 |
| 4 | Ken FisherCIK 0000850529 | $216,840 | 0.0% | Filing2026-05-05 |
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