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Side-by-side financial comparison of MP Materials Corp. (MP) and NATURAL ALTERNATIVES INTERNATIONAL INC (NAII). Click either name above to swap in a different company.

MP Materials Corp. is the larger business by last-quarter revenue ($52.7M vs $34.8M, roughly 1.5× NATURAL ALTERNATIVES INTERNATIONAL INC). MP Materials Corp. runs the higher net margin — 17.9% vs -7.3%, a 25.2% gap on every dollar of revenue. On growth, NATURAL ALTERNATIVES INTERNATIONAL INC posted the faster year-over-year revenue change (2.1% vs -13.6%). NATURAL ALTERNATIVES INTERNATIONAL INC produced more free cash flow last quarter ($-7.3M vs $-109.3M). Over the past eight quarters, NATURAL ALTERNATIVES INTERNATIONAL INC's revenue compounded faster (17.7% 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.

Natural Alternatives International, Inc. (NAI) is an American company based in Carlsbad, California which manufactures nutritional supplements such as Juice Plus. NAI was founded in 1980 by Mark A. LeDoux, and had 241 employees in 2007. NAI's manufacturing facilities are located in Vista, California, Switzerland and Japan.

MP vs NAII — Head-to-Head

Bigger by revenue
MP
MP
1.5× larger
MP
$52.7M
$34.8M
NAII
Growing faster (revenue YoY)
NAII
NAII
+15.7% gap
NAII
2.1%
-13.6%
MP
Higher net margin
MP
MP
25.2% more per $
MP
17.9%
-7.3%
NAII
More free cash flow
NAII
NAII
$102.0M more FCF
NAII
$-7.3M
$-109.3M
MP
Faster 2-yr revenue CAGR
NAII
NAII
Annualised
NAII
17.7%
4.0%
MP

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
MP
MP
NAII
NAII
Revenue
$52.7M
$34.8M
Net Profit
$9.4M
$-2.6M
Gross Margin
7.2%
Operating Margin
-7.0%
-5.3%
Net Margin
17.9%
-7.3%
Revenue YoY
-13.6%
2.1%
Net Profit YoY
142.2%
-16.5%
EPS (diluted)
$0.07
$-0.42

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
NAII
NAII
Q4 25
$52.7M
$34.8M
Q3 25
$53.6M
$37.7M
Q2 25
$57.4M
$33.9M
Q1 25
$60.8M
$28.8M
Q4 24
$61.0M
$34.1M
Q3 24
$62.9M
$33.1M
Q2 24
$31.3M
$29.5M
Q1 24
$48.7M
$25.1M
Net Profit
MP
MP
NAII
NAII
Q4 25
$9.4M
$-2.6M
Q3 25
$-41.8M
$-291.0K
Q2 25
$-30.9M
$-7.2M
Q1 25
$-22.6M
$-2.2M
Q4 24
$-22.3M
$-2.2M
Q3 24
$-25.5M
$-2.0M
Q2 24
$-34.1M
$-1.9M
Q1 24
$16.5M
$-1.6M
Gross Margin
MP
MP
NAII
NAII
Q4 25
7.2%
Q3 25
11.7%
Q2 25
10.4%
Q1 25
6.3%
Q4 24
4.9%
Q3 24
6.8%
Q2 24
4.8%
Q1 24
7.6%
Operating Margin
MP
MP
NAII
NAII
Q4 25
-7.0%
-5.3%
Q3 25
-125.2%
0.8%
Q2 25
-76.5%
-5.7%
Q1 25
-57.2%
-7.3%
Q4 24
-72.1%
-8.2%
Q3 24
-62.8%
-5.5%
Q2 24
-171.1%
-8.6%
Q1 24
-66.6%
-7.8%
Net Margin
MP
MP
NAII
NAII
Q4 25
17.9%
-7.3%
Q3 25
-78.0%
-0.8%
Q2 25
-53.8%
-21.3%
Q1 25
-37.2%
-7.6%
Q4 24
-36.6%
-6.4%
Q3 24
-40.5%
-6.0%
Q2 24
-108.9%
-6.4%
Q1 24
33.9%
-6.3%
EPS (diluted)
MP
MP
NAII
NAII
Q4 25
$0.07
$-0.42
Q3 25
$-0.24
$-0.05
Q2 25
$-0.19
$-1.21
Q1 25
$-0.14
$-0.37
Q4 24
$-0.12
$-0.37
Q3 24
$-0.16
$-0.33
Q2 24
$-0.21
$-0.32
Q1 24
$-0.08
$-0.27

Balance Sheet & Financial Strength

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

Metric
MP
MP
NAII
NAII
Cash + ST InvestmentsLiquidity on hand
$1.2B
$3.8M
Total DebtLower is stronger
$998.7M
Stockholders' EquityBook value
$2.0B
$67.0M
Total Assets
$3.9B
$153.3M
Debt / EquityLower = less leverage
0.50×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MP
MP
NAII
NAII
Q4 25
$1.2B
$3.8M
Q3 25
$1.1B
$7.7M
Q2 25
$261.5M
$12.3M
Q1 25
$198.3M
$10.6M
Q4 24
$282.4M
$8.7M
Q3 24
$284.4M
$10.2M
Q2 24
$295.6M
$12.0M
Q1 24
$296.5M
$12.4M
Total Debt
MP
MP
NAII
NAII
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
NAII
NAII
Q4 25
$2.0B
$67.0M
Q3 25
$2.0B
$69.0M
Q2 25
$1.0B
$68.4M
Q1 25
$1.0B
$76.6M
Q4 24
$1.1B
$79.1M
Q3 24
$1.1B
$80.2M
Q2 24
$1.1B
$82.6M
Q1 24
$1.1B
$84.1M
Total Assets
MP
MP
NAII
NAII
Q4 25
$3.9B
$153.3M
Q3 25
$3.8B
$156.9M
Q2 25
$2.3B
$151.9M
Q1 25
$2.4B
$154.9M
Q4 24
$2.3B
$156.1M
Q3 24
$2.3B
$161.3M
Q2 24
$2.4B
$162.3M
Q1 24
$2.4B
$153.2M
Debt / Equity
MP
MP
NAII
NAII
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
NAII
NAII
Operating Cash FlowLast quarter
$-46.9M
$-6.3M
Free Cash FlowOCF − Capex
$-109.3M
$-7.3M
FCF MarginFCF / Revenue
-207.4%
-20.9%
Capex IntensityCapex / Revenue
118.5%
2.7%
Cash ConversionOCF / Net Profit
-4.97×
TTM Free Cash FlowTrailing 4 quarters
$-328.1M
$-5.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MP
MP
NAII
NAII
Q4 25
$-46.9M
$-6.3M
Q3 25
$-42.0M
$-4.0M
Q2 25
$-3.7M
$3.3M
Q1 25
$-63.2M
$6.0M
Q4 24
$30.5M
$37.0K
Q3 24
$-6.8M
$-3.4M
Q2 24
$30.8M
$-2.7M
Q1 24
$-41.1M
$-3.6M
Free Cash Flow
MP
MP
NAII
NAII
Q4 25
$-109.3M
$-7.3M
Q3 25
$-92.5M
$-5.1M
Q2 25
$-32.7M
$1.9M
Q1 25
$-93.7M
$5.2M
Q4 24
$-11.2M
$-1.0M
Q3 24
$-53.3M
$-3.7M
Q2 24
$-15.6M
$-3.8M
Q1 24
$-93.0M
$-3.9M
FCF Margin
MP
MP
NAII
NAII
Q4 25
-207.4%
-20.9%
Q3 25
-172.8%
-13.4%
Q2 25
-56.9%
5.6%
Q1 25
-154.0%
18.0%
Q4 24
-18.3%
-3.0%
Q3 24
-84.7%
-11.3%
Q2 24
-50.1%
-12.7%
Q1 24
-191.0%
-15.5%
Capex Intensity
MP
MP
NAII
NAII
Q4 25
118.5%
2.7%
Q3 25
94.3%
2.7%
Q2 25
50.5%
4.3%
Q1 25
50.1%
2.8%
Q4 24
68.3%
3.1%
Q3 24
73.8%
0.9%
Q2 24
148.7%
3.5%
Q1 24
106.5%
1.1%
Cash Conversion
MP
MP
NAII
NAII
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%

NAII
NAII

Private Label Contract Manufacturing$32.8M94%
Patent And Trademark Licensing$2.0M6%

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