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

Mosaic Company (The) is the larger business by last-quarter revenue ($3.0B vs $2.5B, roughly 1.2× MPLX LP). MPLX LP runs the higher net margin — 49.1% vs -17.5%, a 66.6% gap on every dollar of revenue. On growth, Mosaic Company (The) posted the faster year-over-year revenue change (5.6% vs 1.4%). MPLX LP produced more free cash flow last quarter ($782.0M vs $-405.7M). Over the past eight quarters, MPLX LP's revenue compounded faster (6.2% CAGR vs 5.3%).

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.

MarkWest Energy Partners, L.P., a subsidiary of MPLX LP, is a natural gas gathering, processing and transportation company master limited partnership of the United States. In 1988, the company was founded in Denver, Colorado and grew to be Colorado's 13th largest company. In 2015 it was acquired by MPLX, itself a subsidiary of Marathon Petroleum.

MOS vs MPLX — Head-to-Head

Bigger by revenue
MOS
MOS
1.2× larger
MOS
$3.0B
$2.5B
MPLX
Growing faster (revenue YoY)
MOS
MOS
+4.2% gap
MOS
5.6%
1.4%
MPLX
Higher net margin
MPLX
MPLX
66.6% more per $
MPLX
49.1%
-17.5%
MOS
More free cash flow
MPLX
MPLX
$1.2B more FCF
MPLX
$782.0M
$-405.7M
MOS
Faster 2-yr revenue CAGR
MPLX
MPLX
Annualised
MPLX
6.2%
5.3%
MOS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MOS
MOS
MPLX
MPLX
Revenue
$3.0B
$2.5B
Net Profit
$-519.5M
$1.2B
Gross Margin
11.5%
Operating Margin
-3.4%
60.5%
Net Margin
-17.5%
49.1%
Revenue YoY
5.6%
1.4%
Net Profit YoY
-407.4%
8.5%
EPS (diluted)
$-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
MOS
MOS
MPLX
MPLX
Q4 25
$3.0B
$2.5B
Q3 25
$3.5B
$2.5B
Q2 25
$3.0B
$2.4B
Q1 25
$2.6B
$2.5B
Q4 24
$2.8B
$2.4B
Q3 24
$2.8B
$2.3B
Q2 24
$2.8B
$2.3B
Q1 24
$2.7B
$2.2B
Net Profit
MOS
MOS
MPLX
MPLX
Q4 25
$-519.5M
$1.2B
Q3 25
$411.4M
$1.6B
Q2 25
$410.7M
$1.1B
Q1 25
$238.1M
$1.1B
Q4 24
$169.0M
$1.1B
Q3 24
$122.2M
$1.0B
Q2 24
$-161.5M
$1.2B
Q1 24
$45.2M
$1.0B
Gross Margin
MOS
MOS
MPLX
MPLX
Q4 25
11.5%
Q3 25
16.0%
Q2 25
17.3%
Q1 25
18.6%
Q4 24
10.7%
Q3 24
14.8%
Q2 24
14.0%
Q1 24
14.9%
Operating Margin
MOS
MOS
MPLX
MPLX
Q4 25
-3.4%
60.5%
Q3 25
9.8%
73.2%
Q2 25
8.1%
54.9%
Q1 25
12.9%
55.5%
Q4 24
3.5%
55.6%
Q3 24
4.1%
54.4%
Q2 24
8.3%
62.9%
Q1 24
6.5%
57.6%
Net Margin
MOS
MOS
MPLX
MPLX
Q4 25
-17.5%
49.1%
Q3 25
11.9%
63.2%
Q2 25
13.7%
44.9%
Q1 25
9.1%
46.2%
Q4 24
6.0%
45.9%
Q3 24
4.3%
44.6%
Q2 24
-5.7%
52.6%
Q1 24
1.7%
46.7%
EPS (diluted)
MOS
MOS
MPLX
MPLX
Q4 25
$-1.63
Q3 25
$1.29
Q2 25
$1.29
Q1 25
$0.75
Q4 24
$0.53
Q3 24
$0.38
Q2 24
$-0.50
Q1 24
$0.14

Balance Sheet & Financial Strength

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

Metric
MOS
MOS
MPLX
MPLX
Cash + ST InvestmentsLiquidity on hand
$276.6M
$2.1B
Total DebtLower is stronger
$4.3B
$24.2B
Stockholders' EquityBook value
$12.1B
Total Assets
$24.5B
$43.0B
Debt / EquityLower = less leverage
0.35×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MOS
MOS
MPLX
MPLX
Q4 25
$276.6M
$2.1B
Q3 25
$153.3M
$1.8B
Q2 25
$286.2M
$1.4B
Q1 25
$259.2M
$2.5B
Q4 24
$272.8M
$1.5B
Q3 24
$301.6M
$2.4B
Q2 24
$322.0M
$2.5B
Q1 24
$336.7M
$385.0M
Total Debt
MOS
MOS
MPLX
MPLX
Q4 25
$4.3B
$24.2B
Q3 25
$3.4B
$24.1B
Q2 25
$3.3B
$19.7B
Q1 25
$3.3B
$19.7B
Q4 24
$3.3B
$19.3B
Q3 24
$3.2B
$19.3B
Q2 24
$3.2B
$19.2B
Q1 24
$3.2B
$18.8B
Stockholders' Equity
MOS
MOS
MPLX
MPLX
Q4 25
$12.1B
Q3 25
$12.8B
Q2 25
$12.4B
Q1 25
$11.8B
Q4 24
$11.5B
Q3 24
$11.8B
Q2 24
$11.7B
Q1 24
$12.0B
Total Assets
MOS
MOS
MPLX
MPLX
Q4 25
$24.5B
$43.0B
Q3 25
$24.7B
$43.2B
Q2 25
$24.3B
$37.8B
Q1 25
$23.2B
$39.0B
Q4 24
$22.9B
$37.5B
Q3 24
$23.3B
$38.5B
Q2 24
$22.6B
$38.4B
Q1 24
$22.9B
$36.5B
Debt / Equity
MOS
MOS
MPLX
MPLX
Q4 25
0.35×
Q3 25
0.26×
Q2 25
0.27×
Q1 25
0.28×
Q4 24
0.29×
Q3 24
0.27×
Q2 24
0.27×
Q1 24
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
MOS
MOS
MPLX
MPLX
Operating Cash FlowLast quarter
$-56.1M
$1.5B
Free Cash FlowOCF − Capex
$-405.7M
$782.0M
FCF MarginFCF / Revenue
-13.6%
31.9%
Capex IntensityCapex / Revenue
11.8%
29.1%
Cash ConversionOCF / Net Profit
1.24×
TTM Free Cash FlowTrailing 4 quarters
$-534.6M
$4.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MOS
MOS
MPLX
MPLX
Q4 25
$-56.1M
$1.5B
Q3 25
$228.5M
$1.4B
Q2 25
$609.5M
$1.7B
Q1 25
$42.9M
$1.2B
Q4 24
$219.3M
$1.7B
Q3 24
$312.9M
$1.4B
Q2 24
$847.0M
$1.6B
Q1 24
$-80.0M
$1.3B
Free Cash Flow
MOS
MOS
MPLX
MPLX
Q4 25
$-405.7M
$782.0M
Q3 25
$-135.9M
$905.0M
Q2 25
$304.9M
$1.4B
Q1 25
$-297.9M
$979.0M
Q4 24
$-74.8M
$1.4B
Q3 24
$72.1M
$1.1B
Q2 24
$513.1M
$1.4B
Q1 24
$-463.0M
$1.0B
FCF Margin
MOS
MOS
MPLX
MPLX
Q4 25
-13.6%
31.9%
Q3 25
-3.9%
36.8%
Q2 25
10.1%
60.9%
Q1 25
-11.4%
39.8%
Q4 24
-2.7%
56.6%
Q3 24
2.6%
48.4%
Q2 24
18.2%
60.0%
Q1 24
-17.3%
47.7%
Capex Intensity
MOS
MOS
MPLX
MPLX
Q4 25
11.8%
29.1%
Q3 25
10.6%
21.4%
Q2 25
10.1%
12.8%
Q1 25
13.0%
10.9%
Q4 24
10.4%
12.7%
Q3 24
8.6%
11.9%
Q2 24
11.9%
9.4%
Q1 24
14.3%
11.7%
Cash Conversion
MOS
MOS
MPLX
MPLX
Q4 25
1.24×
Q3 25
0.56×
0.92×
Q2 25
1.48×
1.64×
Q1 25
0.18×
1.10×
Q4 24
1.30×
1.51×
Q3 24
2.56×
1.35×
Q2 24
1.32×
Q1 24
-1.77×
1.27×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MOS
MOS

Segment breakdown not available.

MPLX
MPLX

Services$746.0M30%
Other$675.0M28%
Products$492.0M20%
Nonrelated Party$186.0M8%
Related Party$151.0M6%
Crude Oil And Products Logistics$104.0M4%
Service Other$56.0M2%
Natural Gas And NGL Services$41.0M2%

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