SuperworthMartin Marietta Materials market cap MLM
Share price times shares outstanding: what the whole company sells for, since 2010.
- Today, Oct 23, 2026
- $30.5B
- Highest close in our data
- $41.6B
- Feb 2026
Martin Marietta Materials is worth $30.5B at the close on Oct 23, 2026, at $507.17 a share.
That is down 19% over the last year and up 24% over five years.
Its highest close in our data was $41.6B in Feb 2026.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $30.5B | $28.7B | $41.6B | −22% |
| 2025 | $38.9B | $28.1B | $38.9B | +20% |
| 2024 | $32.3B | $30.1B | $38.3B | +5% |
| 2023 | $30.8B | $19.9B | $30.8B | +47% |
| 2022 | $21B | $18.5B | $26.8B | −24% |
| 2021 | $27.5B | $17.9B | $27.5B | +55% |
| 2020 | $17.7B | $9.6B | $17.7B | +2% |
| 2019 | $17.4B | $11B | $17.4B | +65% |
| 2018 | $10.5B | $9.9B | $15.1B | −24% |
| 2017 | $13.9B | $12.3B | $15.2B | −1% |
| 2016 | $14.1B | $8.1B | $14.7B | +56% |
| 2015 | $9B | $6.3B | $11.7B | +20% |
| 2014 | $7.5B | $4.6B | $8.8B | +64% |
| 2013 | $4.6B | $4.4B | $5.1B | +7% |
| 2012 | $4.3B | $3B | $4.4B | +24% |
| 2011 | $3.4B | $2.8B | $4.2B | −18% |
| 2010 | $4.2B | $3.4B | $4.3B | n/a |
Against its peers
Companies in Construction Materials nearest Martin Marietta Materials' size, closest first, today.
| Company | Market cap |
|---|---|
| MLMMartin Marietta Materials | $30.5B |
| VMCVulcan Materials | $33.9B |
| AMRZAmrize | $21.6B |
| CRHCRH | $56.5B |
| JCIJohnson Controls International | $87.2B |
| HLHecla Mining | $9.3B |
| EXPEagle Materials | $5.4B |
| USLMUnited States Lime & Minerals | $3.2B |
| Peer median | $21.6B |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on Martin Marietta Materials
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.