ML
MLM
Latest · Mar 31, 2026
Quarter ended Mar 31, 2026 · FY2026 Q1

Martin Marietta Materials, Inc. stock research

Martin Marietta Materials (MLM) Free Cash Flow & Quarterly History

Explore Martin Marietta Materials, Inc. (MLM) free cash flow from 2023 through the latest reported quarter, with SEC-sourced operating cash flow, capital expenditures, and period-by-period analysis.

Free cash flow takeaway

A quick read on the company's cash generation and what it means for investors.

Operating cash flow generated positive free cash flow this quarter, reversing a negative year-ago result. Revenue was higher than the same quarter last year but lower than the prior quarter.

  • Revenue conversion into operating cash flow weakened versus the prior quarter, as operating cash flow was lower despite revenue being only slightly lower. Capital expenditure decreased compared to both the prior quarter and the year-ago quarter, which supported free cash flow relative to operating cash flow.
  • Compared to the preceding quarter, free cash flow and free cash flow margin were substantially lower, driven by reduced operating cash flow. Compared to the same quarter one year earlier, free cash flow improved from negative to positive, with a higher free cash flow margin, as revenue increased and capital expenditure decreased.

FCF snapshot

Quarterly and TTM cash-flow metrics with the minimum valuation context.

TTM free cash flow

$787.0M

Trailing twelve-month free cash flow.

Quarter free cash flow

$41.0M

Free cash flow in the selected fiscal quarter.

Operating cash flow

$227.0M

Cash generated by operations before capital spending.

CapEx

$186.0M

Capital spending and related asset purchases.

FCF margin

3.0%

The share of revenue converted into free cash flow.

TTM FCF yield

2.3%

TTM FCF divided by market capitalization.

FCF reconciliation

Free cash flow is not a GAAP line item; it should be bridged from the cash flow statement.

Operating cash flow$227.0MCash generated by operations before capital spending.
Capital expenditures$186.0MCapital spending used to bridge CFO to FCF.
Free cash flow$41.0MOperating cash flow less capital spending.

Cash flow trend

A short quarterly history shows whether FCF is scaling with revenue or only spiking for one period.

PeriodRevenueOperating CFCapExFCFFCF margin
2022-06-30$1.6B$116.3M$80.9M$35.4M2.2%
2022-09-30$1.8B$274.5M$88.4M$186.1M10.3%
2022-12-31$1.5B$430.3M$219.1M$211.2M14.3%
2023-03-31$1.4B$161.0M$174.0M-$13.0M-1.0%
2023-06-30$1.8B$358.0M$119.0M$239.0M13.1%
2023-09-30$2.0B$454.0M$171.0M$283.0M14.2%
2023-12-31$682.0M$555.0M$353.0M$202.0M29.6%
2024-03-31$1.1B$172.0M$200.0M-$28.0M-2.7%
2024-06-30$2.0B$1.0M$139.0M-$138.0M-7.0%
2024-09-30$1.2B$600.0M$283.0M$317.0M25.7%
2024-12-31$1.4B$686.0M$483.0M$203.0M14.4%
2025-03-31$1.2B$218.0M$233.0M-$15.0M-1.3%
2025-06-30$2.0B$387.0M$179.0M$208.0M10.4%
2025-09-30$1.5B$551.0M$190.0M$361.0M24.8%
2025-12-31$1.5B$629.0M$452.0M$177.0M11.5%
2026-03-31$1.4B$227.0M$186.0M$41.0M3.0%

Cash conversion quality

Checks that separate high-quality free cash flow from accounting noise or working-capital timing.

FCF / net income2.7%Shows whether accounting earnings convert into cash.
CapEx / revenue13.7%Lower capital intensity usually supports FCF margin.
Net cash-$5.0BCash and equivalents minus total debt.

Recent events shaping cash flow

Near-term business events that help explain the free cash flow result.

Supportive

Revenue Growth and Lower Capex

Revenue was higher than the year-ago quarter, while capital expenditure was lower compared to both the prior quarter and the year-ago quarter. These two factors together enabled positive free cash flow despite a decline in operating cash flow from the prior quarter.

Free cash flow margin turned positive, a clear improvement from the negative margin in the same quarter last year.

What the cash flow says

How to interpret the company's free cash flow beyond the headline number.

Revenue conversion into operating cash flow weakened versus the prior quarter, as operating cash flow was lower despite revenue being only slightly lower. Capital expenditure decreased compared to both the prior quarter and the year-ago quarter, which supported free cash flow relative to operating cash flow.

Compared to the preceding quarter, free cash flow and free cash flow margin were substantially lower, driven by reduced operating cash flow. Compared to the same quarter one year earlier, free cash flow improved from negative to positive, with a higher free cash flow margin, as revenue increased and capital expenditure decreased.

Monitor capital expenditure trends; the recent level is lower than both prior periods and may affect future productive capacity.

Valuation context

A cash-flow page should show how much investors are paying for the cash stream, without turning into a full DCF.

Market capitalization$34.4BUsed as the denominator for FCF yield.
TTM FCF yield2.3%TTM free cash flow divided by market capitalization.
EV / TTM FCF50.1xA quick valuation bridge, not a full DCF.

Peer context

Free cash flow quality is easier to read against related public companies.

ML
MLM

Martin Marietta Materials, Inc.

FCF margin

3.0%

FCF yield

2.3%

Risks and tripwires

Observable signals that would weaken the free cash flow thesis.

RiskTripwireWhy it matters
FCF margin compressionFCF margin falls for two consecutive quarters.Cash conversion may be weakening before earnings show it.
Capital intensity risesCapEx/revenue moves materially above the recent run rate.More operating cash flow would be consumed before becoming FCF.
Working capital dragInventory or receivables grow faster than revenue.Reported growth may not translate into cash.