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Side-by-side financial comparison of MP Materials Corp. (MP) and CarParts.com, Inc. (PRTS). Click either name above to swap in a different company.

CarParts.com, Inc. is the larger business by last-quarter revenue ($120.4M vs $90.6M, roughly 1.3× MP Materials Corp.). MP Materials Corp. runs the higher net margin — -8.8% vs -9.6%, a 0.8% gap on every dollar of revenue. On growth, MP Materials Corp. posted the faster year-over-year revenue change (49.1% vs -9.8%). Over the past eight quarters, MP Materials Corp.'s revenue compounded faster (70.3% CAGR vs -8.6%).

MP Materials Corp. is a U.S.-based producer of rare earth materials. The company owns and operates the Mountain Pass mine in California, the only active rare earth mining and processing facility in the Western Hemisphere, producing essential materials for electric vehicles, wind turbines, and defense applications.

Genuine Parts Company (GPC) is an American automotive and industrial parts distributor based in Atlanta, Georgia. Established by brothers Carlyle and Malcolm Fraser in 1928, the company has approximately 60,000 employees. In addition to the United States, GPC has operated in Australasia, Belgium, Canada, France, Germany, Mexico, the Netherlands, Poland, and the United Kingdom. GPC's subsidiaries include industrial parts distributor Motion as well as NAPA Auto Parts, which primarily sells part...

MP vs PRTS — Head-to-Head

Bigger by revenue
PRTS
PRTS
1.3× larger
PRTS
$120.4M
$90.6M
MP
Growing faster (revenue YoY)
MP
MP
+58.9% gap
MP
49.1%
-9.8%
PRTS
Higher net margin
MP
MP
0.8% more per $
MP
-8.8%
-9.6%
PRTS
Faster 2-yr revenue CAGR
MP
MP
Annualised
MP
70.3%
-8.6%
PRTS

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
MP
MP
PRTS
PRTS
Revenue
$90.6M
$120.4M
Net Profit
$-8.0M
$-11.6M
Gross Margin
33.2%
Operating Margin
Net Margin
-8.8%
-9.6%
Revenue YoY
49.1%
-9.8%
Net Profit YoY
64.8%
25.0%
EPS (diluted)
$-0.04
$-0.82

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
MP
MP
PRTS
PRTS
Q1 26
$90.6M
Q4 25
$52.7M
$120.4M
Q3 25
$53.6M
$127.8M
Q2 25
$57.4M
$151.9M
Q1 25
$60.8M
$147.4M
Q4 24
$61.0M
$133.5M
Q3 24
$62.9M
$144.8M
Q2 24
$31.3M
$144.3M
Net Profit
MP
MP
PRTS
PRTS
Q1 26
$-8.0M
Q4 25
$9.4M
$-11.6M
Q3 25
$-41.8M
$-10.9M
Q2 25
$-30.9M
$-12.7M
Q1 25
$-22.6M
$-15.3M
Q4 24
$-22.3M
$-15.4M
Q3 24
$-25.5M
$-10.0M
Q2 24
$-34.1M
$-8.7M
Gross Margin
MP
MP
PRTS
PRTS
Q1 26
Q4 25
33.2%
Q3 25
33.1%
Q2 25
32.8%
Q1 25
32.1%
Q4 24
32.5%
Q3 24
35.2%
Q2 24
33.5%
Operating Margin
MP
MP
PRTS
PRTS
Q1 26
Q4 25
-7.0%
Q3 25
-125.2%
-7.9%
Q2 25
-76.5%
-8.2%
Q1 25
-57.2%
-10.3%
Q4 24
-72.1%
-11.6%
Q3 24
-62.8%
-6.9%
Q2 24
-171.1%
-6.0%
Net Margin
MP
MP
PRTS
PRTS
Q1 26
-8.8%
Q4 25
17.9%
-9.6%
Q3 25
-78.0%
-8.5%
Q2 25
-53.8%
-8.4%
Q1 25
-37.2%
-10.4%
Q4 24
-36.6%
-11.5%
Q3 24
-40.5%
-6.9%
Q2 24
-108.9%
-6.0%
EPS (diluted)
MP
MP
PRTS
PRTS
Q1 26
$-0.04
Q4 25
$0.07
$-0.82
Q3 25
$-0.24
$-0.19
Q2 25
$-0.19
$-0.23
Q1 25
$-0.14
$-0.27
Q4 24
$-0.12
$-0.28
Q3 24
$-0.16
$-0.17
Q2 24
$-0.21
$-0.15

Balance Sheet & Financial Strength

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

Metric
MP
MP
PRTS
PRTS
Cash + ST InvestmentsLiquidity on hand
$1.7B
$25.8M
Total DebtLower is stronger
$1.0B
Stockholders' EquityBook value
$2.0B
$53.5M
Total Assets
$3.8B
$184.9M
Debt / EquityLower = less leverage
0.51×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MP
MP
PRTS
PRTS
Q1 26
$1.7B
Q4 25
$1.2B
$25.8M
Q3 25
$1.1B
Q2 25
$261.5M
Q1 25
$198.3M
Q4 24
$282.4M
Q3 24
$284.4M
Q2 24
$295.6M
Total Debt
MP
MP
PRTS
PRTS
Q1 26
$1.0B
Q4 25
$998.7M
Q3 25
$997.3M
Q2 25
$910.8M
Q1 25
$909.8M
Q4 24
$908.7M
Q3 24
Q2 24
Stockholders' Equity
MP
MP
PRTS
PRTS
Q1 26
$2.0B
Q4 25
$2.0B
$53.5M
Q3 25
$2.0B
$64.2M
Q2 25
$1.0B
$62.4M
Q1 25
$1.0B
$72.8M
Q4 24
$1.1B
$85.2M
Q3 24
$1.1B
$97.2M
Q2 24
$1.1B
$103.9M
Total Assets
MP
MP
PRTS
PRTS
Q1 26
$3.8B
Q4 25
$3.9B
$184.9M
Q3 25
$3.8B
$200.3M
Q2 25
$2.3B
$189.6M
Q1 25
$2.4B
$216.5M
Q4 24
$2.3B
$210.6M
Q3 24
$2.3B
$227.6M
Q2 24
$2.4B
$238.0M
Debt / Equity
MP
MP
PRTS
PRTS
Q1 26
0.51×
Q4 25
0.50×
Q3 25
0.51×
Q2 25
0.90×
Q1 25
0.88×
Q4 24
0.86×
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
MP
MP
PRTS
PRTS
Operating Cash FlowLast quarter
$-1.9M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MP
MP
PRTS
PRTS
Q1 26
$-1.9M
Q4 25
$-46.9M
Q3 25
$-42.0M
$-6.4M
Q2 25
$-3.7M
$-25.6M
Q1 25
$-63.2M
$5.5M
Q4 24
$30.5M
$1.8M
Q3 24
$-6.8M
$8.5M
Q2 24
$30.8M
$-3.6M
Free Cash Flow
MP
MP
PRTS
PRTS
Q1 26
Q4 25
$-109.3M
Q3 25
$-92.5M
$-8.3M
Q2 25
$-32.7M
$-27.9M
Q1 25
$-93.7M
$3.4M
Q4 24
$-11.2M
$-631.0K
Q3 24
$-53.3M
$4.9M
Q2 24
$-15.6M
$-10.8M
FCF Margin
MP
MP
PRTS
PRTS
Q1 26
Q4 25
-207.4%
Q3 25
-172.8%
-6.5%
Q2 25
-56.9%
-18.3%
Q1 25
-154.0%
2.3%
Q4 24
-18.3%
-0.5%
Q3 24
-84.7%
3.4%
Q2 24
-50.1%
-7.5%
Capex Intensity
MP
MP
PRTS
PRTS
Q1 26
Q4 25
118.5%
Q3 25
94.3%
1.5%
Q2 25
50.5%
1.5%
Q1 25
50.1%
1.4%
Q4 24
68.3%
1.8%
Q3 24
73.8%
2.5%
Q2 24
148.7%
4.9%
Cash Conversion
MP
MP
PRTS
PRTS
Q1 26
Q4 25
-4.97×
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

MP
MP

Materials Segment$72.2M80%
Magnetics Segment$21.1M23%

PRTS
PRTS

Segment breakdown not available.

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