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Side-by-side financial comparison of Martin Marietta Materials (MLM) and Mosaic Company (The) (MOS). Click either name above to swap in a different company.

Mosaic Company (The) is the larger business by last-quarter revenue ($3.0B vs $1.1B, roughly 2.6× Martin Marietta Materials). Martin Marietta Materials runs the higher net margin — 24.5% vs -17.5%, a 41.9% gap on every dollar of revenue. On growth, Mosaic Company (The) posted the faster year-over-year revenue change (5.6% vs -30.1%). Martin Marietta Materials produced more free cash flow last quarter ($424.0M vs $-405.7M). Over the past eight quarters, Mosaic Company (The)'s revenue compounded faster (5.3% CAGR vs -4.5%).

Martin Marietta Materials, Inc. is an American company and a supplier of aggregates and heavy building materials, with operations spanning 26 states, Canada, and the Caribbean. In particular, Martin Marietta Materials supplies resources for the construction of roads, sidewalks, and foundations.

The Mosaic Company is an American chemical company based in Tampa, Florida, which mines phosphate, potash, and collects urea for fertilizer, through various international distribution networks, and Mosaic Fertilizantes. It is the largest U.S. producer of potash and phosphate fertilizer.

MLM vs MOS — Head-to-Head

Bigger by revenue
MOS
MOS
2.6× larger
MOS
$3.0B
$1.1B
MLM
Growing faster (revenue YoY)
MOS
MOS
+35.8% gap
MOS
5.6%
-30.1%
MLM
Higher net margin
MLM
MLM
41.9% more per $
MLM
24.5%
-17.5%
MOS
More free cash flow
MLM
MLM
$829.7M more FCF
MLM
$424.0M
$-405.7M
MOS
Faster 2-yr revenue CAGR
MOS
MOS
Annualised
MOS
5.3%
-4.5%
MLM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MLM
MLM
MOS
MOS
Revenue
$1.1B
$3.0B
Net Profit
$279.0M
$-519.5M
Gross Margin
35.0%
11.5%
Operating Margin
24.6%
-3.4%
Net Margin
24.5%
-17.5%
Revenue YoY
-30.1%
5.6%
Net Profit YoY
-4.8%
-407.4%
EPS (diluted)
$4.59
$-1.63

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
MLM
MLM
MOS
MOS
Q4 25
$1.1B
$3.0B
Q3 25
$1.8B
$3.5B
Q2 25
$1.8B
$3.0B
Q1 25
$1.4B
$2.6B
Q4 24
$1.6B
$2.8B
Q3 24
$1.9B
$2.8B
Q2 24
$1.8B
$2.8B
Q1 24
$1.3B
$2.7B
Net Profit
MLM
MLM
MOS
MOS
Q4 25
$279.0M
$-519.5M
Q3 25
$414.0M
$411.4M
Q2 25
$328.0M
$410.7M
Q1 25
$116.0M
$238.1M
Q4 24
$293.0M
$169.0M
Q3 24
$363.0M
$122.2M
Q2 24
$294.0M
$-161.5M
Q1 24
$1.0B
$45.2M
Gross Margin
MLM
MLM
MOS
MOS
Q4 25
35.0%
11.5%
Q3 25
33.1%
16.0%
Q2 25
30.0%
17.3%
Q1 25
24.8%
18.6%
Q4 24
30.0%
10.7%
Q3 24
31.7%
14.8%
Q2 24
29.3%
14.0%
Q1 24
21.7%
14.9%
Operating Margin
MLM
MLM
MOS
MOS
Q4 25
24.6%
-3.4%
Q3 25
27.4%
9.8%
Q2 25
25.3%
8.1%
Q1 25
14.3%
12.9%
Q4 24
24.4%
3.5%
Q3 24
25.9%
4.1%
Q2 24
22.6%
8.3%
Q1 24
6.5%
Net Margin
MLM
MLM
MOS
MOS
Q4 25
24.5%
-17.5%
Q3 25
22.4%
11.9%
Q2 25
18.1%
13.7%
Q1 25
8.6%
9.1%
Q4 24
18.0%
6.0%
Q3 24
19.2%
4.3%
Q2 24
16.7%
-5.7%
Q1 24
83.5%
1.7%
EPS (diluted)
MLM
MLM
MOS
MOS
Q4 25
$4.59
$-1.63
Q3 25
$6.85
$1.29
Q2 25
$5.43
$1.29
Q1 25
$1.90
$0.75
Q4 24
$4.87
$0.53
Q3 24
$5.91
$0.38
Q2 24
$4.76
$-0.50
Q1 24
$16.87
$0.14

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
MLM
MLM
MOS
MOS
Cash + ST InvestmentsLiquidity on hand
$67.0M
$276.6M
Total DebtLower is stronger
$5.3B
$4.3B
Stockholders' EquityBook value
$10.0B
$12.1B
Total Assets
$18.7B
$24.5B
Debt / EquityLower = less leverage
0.53×
0.35×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MLM
MLM
MOS
MOS
Q4 25
$67.0M
$276.6M
Q3 25
$57.0M
$153.3M
Q2 25
$225.0M
$286.2M
Q1 25
$101.0M
$259.2M
Q4 24
$670.0M
$272.8M
Q3 24
$52.0M
$301.6M
Q2 24
$109.0M
$322.0M
Q1 24
$2.6B
$336.7M
Total Debt
MLM
MLM
MOS
MOS
Q4 25
$5.3B
$4.3B
Q3 25
$5.5B
$3.4B
Q2 25
$5.4B
$3.3B
Q1 25
$5.4B
$3.3B
Q4 24
$5.4B
$3.3B
Q3 24
$4.0B
$3.2B
Q2 24
$4.3B
$3.2B
Q1 24
$4.3B
$3.2B
Stockholders' Equity
MLM
MLM
MOS
MOS
Q4 25
$10.0B
$12.1B
Q3 25
$9.7B
$12.8B
Q2 25
$9.4B
$12.4B
Q1 25
$9.1B
$11.8B
Q4 24
$9.5B
$11.5B
Q3 24
$9.2B
$11.8B
Q2 24
$8.8B
$11.7B
Q1 24
$8.9B
$12.0B
Total Assets
MLM
MLM
MOS
MOS
Q4 25
$18.7B
$24.5B
Q3 25
$18.7B
$24.7B
Q2 25
$18.1B
$24.3B
Q1 25
$17.7B
$23.2B
Q4 24
$18.2B
$22.9B
Q3 24
$16.5B
$23.3B
Q2 24
$16.3B
$22.6B
Q1 24
$16.2B
$22.9B
Debt / Equity
MLM
MLM
MOS
MOS
Q4 25
0.53×
0.35×
Q3 25
0.57×
0.26×
Q2 25
0.58×
0.27×
Q1 25
0.60×
0.28×
Q4 24
0.57×
0.29×
Q3 24
0.44×
0.27×
Q2 24
0.49×
0.27×
Q1 24
0.49×
0.27×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
MLM
MLM
MOS
MOS
Operating Cash FlowLast quarter
$629.0M
$-56.1M
Free Cash FlowOCF − Capex
$424.0M
$-405.7M
FCF MarginFCF / Revenue
37.2%
-13.6%
Capex IntensityCapex / Revenue
18.0%
11.8%
Cash ConversionOCF / Net Profit
2.25×
TTM Free Cash FlowTrailing 4 quarters
$978.0M
$-534.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MLM
MLM
MOS
MOS
Q4 25
$629.0M
$-56.1M
Q3 25
$551.0M
$228.5M
Q2 25
$387.0M
$609.5M
Q1 25
$218.0M
$42.9M
Q4 24
$686.0M
$219.3M
Q3 24
$600.0M
$312.9M
Q2 24
$1.0M
$847.0M
Q1 24
$172.0M
$-80.0M
Free Cash Flow
MLM
MLM
MOS
MOS
Q4 25
$424.0M
$-405.7M
Q3 25
$361.0M
$-135.9M
Q2 25
$208.0M
$304.9M
Q1 25
$-15.0M
$-297.9M
Q4 24
$453.0M
$-74.8M
Q3 24
$317.0M
$72.1M
Q2 24
$-138.0M
$513.1M
Q1 24
$-28.0M
$-463.0M
FCF Margin
MLM
MLM
MOS
MOS
Q4 25
37.2%
-13.6%
Q3 25
19.6%
-3.9%
Q2 25
11.5%
10.1%
Q1 25
-1.1%
-11.4%
Q4 24
27.8%
-2.7%
Q3 24
16.8%
2.6%
Q2 24
-7.8%
18.2%
Q1 24
-2.2%
-17.3%
Capex Intensity
MLM
MLM
MOS
MOS
Q4 25
18.0%
11.8%
Q3 25
10.3%
10.6%
Q2 25
9.9%
10.1%
Q1 25
17.2%
13.0%
Q4 24
14.3%
10.4%
Q3 24
15.0%
8.6%
Q2 24
7.9%
11.9%
Q1 24
16.0%
14.3%
Cash Conversion
MLM
MLM
MOS
MOS
Q4 25
2.25×
Q3 25
1.33×
0.56×
Q2 25
1.18×
1.48×
Q1 25
1.88×
0.18×
Q4 24
2.34×
1.30×
Q3 24
1.65×
2.56×
Q2 24
0.00×
Q1 24
0.16×
-1.77×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

MLM
MLM

Building Materials Business East Group$774.0M68%
Building Materials Business West Group$233.0M20%
Services$88.0M8%
Other$45.0M4%

MOS
MOS

Segment breakdown not available.

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