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

MP Materials Corp. is the larger business by last-quarter revenue ($52.7M vs $26.6M, roughly 2.0× NeuroPace Inc). MP Materials Corp. runs the higher net margin — 17.9% vs -10.3%, a 28.2% gap on every dollar of revenue. On growth, NeuroPace Inc posted the faster year-over-year revenue change (23.9% vs -13.6%). NeuroPace Inc produced more free cash flow last quarter ($409.0K vs $-109.3M). Over the past eight quarters, NeuroPace Inc's revenue compounded faster (21.1% CAGR vs 4.0%).

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.

NeuroPace Inc is a medical technology company focused on developing and commercializing innovative implantable neurostimulation systems to treat neurological disorders, primarily drug-resistant epilepsy. Its core RNS System delivers personalized responsive stimulation to reduce seizure frequency, serving patients across North America and select global markets via partnerships with healthcare providers.

MP vs NPCE — Head-to-Head

Bigger by revenue
MP
MP
2.0× larger
MP
$52.7M
$26.6M
NPCE
Growing faster (revenue YoY)
NPCE
NPCE
+37.5% gap
NPCE
23.9%
-13.6%
MP
Higher net margin
MP
MP
28.2% more per $
MP
17.9%
-10.3%
NPCE
More free cash flow
NPCE
NPCE
$109.7M more FCF
NPCE
$409.0K
$-109.3M
MP
Faster 2-yr revenue CAGR
NPCE
NPCE
Annualised
NPCE
21.1%
4.0%
MP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MP
MP
NPCE
NPCE
Revenue
$52.7M
$26.6M
Net Profit
$9.4M
$-2.7M
Gross Margin
77.4%
Operating Margin
-7.0%
-6.6%
Net Margin
17.9%
-10.3%
Revenue YoY
-13.6%
23.9%
Net Profit YoY
142.2%
48.0%
EPS (diluted)
$0.07
$-0.08

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
NPCE
NPCE
Q4 25
$52.7M
$26.6M
Q3 25
$53.6M
$27.4M
Q2 25
$57.4M
$23.5M
Q1 25
$60.8M
$22.5M
Q4 24
$61.0M
$21.5M
Q3 24
$62.9M
$21.1M
Q2 24
$31.3M
$19.3M
Q1 24
$48.7M
$18.1M
Net Profit
MP
MP
NPCE
NPCE
Q4 25
$9.4M
$-2.7M
Q3 25
$-41.8M
$-3.5M
Q2 25
$-30.9M
$-8.7M
Q1 25
$-22.6M
$-6.6M
Q4 24
$-22.3M
$-5.3M
Q3 24
$-25.5M
$-5.5M
Q2 24
$-34.1M
$-7.5M
Q1 24
$16.5M
$-8.9M
Gross Margin
MP
MP
NPCE
NPCE
Q4 25
77.4%
Q3 25
77.4%
Q2 25
77.1%
Q1 25
77.0%
Q4 24
75.4%
Q3 24
73.2%
Q2 24
73.4%
Q1 24
73.6%
Operating Margin
MP
MP
NPCE
NPCE
Q4 25
-7.0%
-6.6%
Q3 25
-125.2%
-9.5%
Q2 25
-76.5%
-29.0%
Q1 25
-57.2%
-22.9%
Q4 24
-72.1%
-17.0%
Q3 24
-62.8%
-20.1%
Q2 24
-171.1%
-32.4%
Q1 24
-66.6%
-41.6%
Net Margin
MP
MP
NPCE
NPCE
Q4 25
17.9%
-10.3%
Q3 25
-78.0%
-12.8%
Q2 25
-53.8%
-36.8%
Q1 25
-37.2%
-29.3%
Q4 24
-36.6%
-24.5%
Q3 24
-40.5%
-25.9%
Q2 24
-108.9%
-39.0%
Q1 24
33.9%
-49.2%
EPS (diluted)
MP
MP
NPCE
NPCE
Q4 25
$0.07
$-0.08
Q3 25
$-0.24
$-0.11
Q2 25
$-0.19
$-0.26
Q1 25
$-0.14
$-0.21
Q4 24
$-0.12
$-0.16
Q3 24
$-0.16
$-0.19
Q2 24
$-0.21
$-0.26
Q1 24
$-0.08
$-0.32

Balance Sheet & Financial Strength

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

Metric
MP
MP
NPCE
NPCE
Cash + ST InvestmentsLiquidity on hand
$1.2B
$61.1M
Total DebtLower is stronger
$998.7M
Stockholders' EquityBook value
$2.0B
$19.0M
Total Assets
$3.9B
$105.6M
Debt / EquityLower = less leverage
0.50×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MP
MP
NPCE
NPCE
Q4 25
$1.2B
$61.1M
Q3 25
$1.1B
$60.0M
Q2 25
$261.5M
$62.1M
Q1 25
$198.3M
$66.3M
Q4 24
$282.4M
$52.8M
Q3 24
$284.4M
$56.8M
Q2 24
$295.6M
$55.5M
Q1 24
$296.5M
$58.9M
Total Debt
MP
MP
NPCE
NPCE
Q4 25
$998.7M
Q3 25
$997.3M
Q2 25
$910.8M
Q1 25
$909.8M
Q4 24
$908.7M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
MP
MP
NPCE
NPCE
Q4 25
$2.0B
$19.0M
Q3 25
$2.0B
$18.5M
Q2 25
$1.0B
$19.4M
Q1 25
$1.0B
$24.3M
Q4 24
$1.1B
$8.0M
Q3 24
$1.1B
$9.8M
Q2 24
$1.1B
$9.9M
Q1 24
$1.1B
$14.3M
Total Assets
MP
MP
NPCE
NPCE
Q4 25
$3.9B
$105.6M
Q3 25
$3.8B
$107.3M
Q2 25
$2.3B
$106.1M
Q1 25
$2.4B
$110.2M
Q4 24
$2.3B
$94.6M
Q3 24
$2.3B
$96.3M
Q2 24
$2.4B
$94.4M
Q1 24
$2.4B
$98.9M
Debt / Equity
MP
MP
NPCE
NPCE
Q4 25
0.50×
Q3 25
0.51×
Q2 25
0.90×
Q1 25
0.88×
Q4 24
0.86×
Q3 24
Q2 24
Q1 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
NPCE
NPCE
Operating Cash FlowLast quarter
$-46.9M
$506.0K
Free Cash FlowOCF − Capex
$-109.3M
$409.0K
FCF MarginFCF / Revenue
-207.4%
1.5%
Capex IntensityCapex / Revenue
118.5%
0.4%
Cash ConversionOCF / Net Profit
-4.97×
TTM Free Cash FlowTrailing 4 quarters
$-328.1M
$-11.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MP
MP
NPCE
NPCE
Q4 25
$-46.9M
$506.0K
Q3 25
$-42.0M
$-1.9M
Q2 25
$-3.7M
$-2.1M
Q1 25
$-63.2M
$-7.5M
Q4 24
$30.5M
$-4.8M
Q3 24
$-6.8M
$-1.7M
Q2 24
$30.8M
$-3.9M
Q1 24
$-41.1M
$-7.5M
Free Cash Flow
MP
MP
NPCE
NPCE
Q4 25
$-109.3M
$409.0K
Q3 25
$-92.5M
$-2.0M
Q2 25
$-32.7M
$-2.3M
Q1 25
$-93.7M
$-7.5M
Q4 24
$-11.2M
$-4.8M
Q3 24
$-53.3M
$-1.8M
Q2 24
$-15.6M
$-4.0M
Q1 24
$-93.0M
$-7.6M
FCF Margin
MP
MP
NPCE
NPCE
Q4 25
-207.4%
1.5%
Q3 25
-172.8%
-7.2%
Q2 25
-56.9%
-9.6%
Q1 25
-154.0%
-33.4%
Q4 24
-18.3%
-22.5%
Q3 24
-84.7%
-8.7%
Q2 24
-50.1%
-20.6%
Q1 24
-191.0%
-42.1%
Capex Intensity
MP
MP
NPCE
NPCE
Q4 25
118.5%
0.4%
Q3 25
94.3%
0.1%
Q2 25
50.5%
0.7%
Q1 25
50.1%
0.2%
Q4 24
68.3%
0.2%
Q3 24
73.8%
0.5%
Q2 24
148.7%
0.3%
Q1 24
106.5%
0.6%
Cash Conversion
MP
MP
NPCE
NPCE
Q4 25
-4.97×
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
-2.49×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MP
MP

Materials Segment$35.6M68%
Other$17.1M32%

NPCE
NPCE

Segment breakdown not available.

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