Martin Marietta Materials (MLM)
What the price implies
A reverse DCF: instead of guessing a fair value, it asks what growth today's price already assumes. How it works.
At a market value of $27.1B, Martin Marietta Materials's free cash flow of $978M (fiscal 2025) would need to grow about 9% a year for the stock to be worth today's price. That is slower than the company has grown its free cash flow over the last 9 years.
Assumes a 9% discount rate and 3% growth after year 10, on free cash flow (operating cash flow minus capital spending) from Martin Marietta Materials's SEC filings. Change any assumption, or model revenue and margins instead, in the Modeling tab, or try your own numbers in the reverse DCF calculator.
Fundamental grade
Five factors scored 1 to 9 from MLM's latest numbers, weighted into one grade. It describes the business, not whether the stock is a buy.
Key numbers
Results from SEC filings
Fiscal years, from Martin Marietta Materials's 10-K filings. The deep dive has 15+ years, quarters and every line.
| Fiscal year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | $5.4B | $6.2B | $5.9B | $5.7B | $6.2B |
| Net income | $702M | $867M | $1.2B | $2.0B | $1.1B |
| Free cash flow | $715M | $509M | $878M | $604M | $978M |
| EPS (diluted) | $11.22 | $13.87 | $18.82 | $32.41 | $18.77 |
| Operating margin | 18.0% | 19.6% | 22.8% | 43.8% | 23.4% |
Where the revenue comes from
Revenue by segments, fiscal 2025.
Superinvestors who own MLM
From each investor's latest 13F filing (what a 13F shows). 5 of the investors we track hold it.
| Investor | Last quarter | Value | % of portfolio | Quarter |
|---|---|---|---|---|
| Ric Dillon Diamond Hill Capital Management |
Trimmed | $123M | 0.99% | Q2 2026 |
| Hersh Cohen ClearBridge Investments |
Trimmed | $110M | 0.09% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Added | $39M | 0.01% | Q2 2026 |
| Wallace Weitz Weitz Investment Management |
Added | $27M | 1.9% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Added | $21M | 0.05% | Q2 2026 |
Insider buying
Open-market purchases by Martin Marietta Materials's executives and directors in the last 12 months, from SEC Form 4 filings. What insider buying tells you.
| Date | Insider | Shares | Price | Value |
|---|---|---|---|---|
| Mar 30, 2026 | Ro Khanna |
0 | $573.90 | — |
| Mar 30, 2026 | Ro Khanna |
0 | $573.90 | — |
| Mar 9, 2026 | April Mcclain Delaney |
0 | $612.67 | — |
| Mar 9, 2026 | April Mcclain Delaney |
0 | $612.67 | — |
| Dec 2, 2025 | April Mcclain Delaney |
0 | $608.39 | — |
| Dec 2, 2025 | April Mcclain Delaney |
0 | $608.39 | — |
| Nov 3, 2025 | Ro Khanna |
0 | $619.39 | — |
| Nov 3, 2025 | Ro Khanna |
0 | $619.39 | — |
Get an alert at your buy price
Pick the price you'd be interested at. We'll email you when MLM trades at or below it.
Free accounts get 3 price alerts. No card needed.
In the full deep dive
Questions
What growth does Martin Marietta Materials's stock price imply?
At a market value of $27.1B, Martin Marietta Materials would need its free cash flow to grow about 9% a year for 10 years (discounted at 9%, 3% growth after that) to be worth today's price. Over the last 9 years its free cash flow grew 14% a year.
Are Martin Marietta Materials insiders buying the stock?
8 open-market insider purchases of MLM in the last 12 months, from SEC Form 4 filings.
Which superinvestors own Martin Marietta Materials?
5 of the superinvestors Investingly tracks hold MLM in their latest 13F, including Ric Dillon, Hersh Cohen, Cliff Asness.
Prices and ratios as of Oct 7, 2026; statements from SEC filings. Information only, not investment advice. Superinvestor holdings come from 13F filings, which are filed up to 45 days after each quarter ends.