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Side-by-side financial comparison of NATURAL ALTERNATIVES INTERNATIONAL INC (NAII) and STEM, INC. (STEM). Click either name above to swap in a different company.
STEM, INC. is the larger business by last-quarter revenue ($47.1M vs $34.8M, roughly 1.4× NATURAL ALTERNATIVES INTERNATIONAL INC). NATURAL ALTERNATIVES INTERNATIONAL INC runs the higher net margin — -7.3% vs -33.9%, a 26.6% gap on every dollar of revenue. On growth, NATURAL ALTERNATIVES INTERNATIONAL INC posted the faster year-over-year revenue change (2.1% vs -15.6%). Over the past eight quarters, STEM, INC.'s revenue compounded faster (36.1% CAGR vs 17.7%).
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.
StemCells, Inc. is a public biopharmaceutical company headquartered in Newark, California, that is developing purified human neural stem cells (HuCNS-SCs) in the hopes of treating central nervous system disorders and paralysis. StemCells' HuCNS-SCs have the ability to differentiate into the three main types of cells found in the central nervous system: neurons, astrocytes and oligodendrocytes.
NAII vs STEM — Head-to-Head
Income Statement — Q2 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $34.8M | $47.1M |
| Net Profit | $-2.6M | $-16.0M |
| Gross Margin | 7.2% | 48.9% |
| Operating Margin | -5.3% | -17.7% |
| Net Margin | -7.3% | -33.9% |
| Revenue YoY | 2.1% | -15.6% |
| Net Profit YoY | -16.5% | 68.8% |
| EPS (diluted) | $-0.42 | $-4.40 |
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.
| Q4 25 | $34.8M | $47.1M | ||
| Q3 25 | $37.7M | $38.2M | ||
| Q2 25 | $33.9M | $38.4M | ||
| Q1 25 | $28.8M | $32.5M | ||
| Q4 24 | $34.1M | $55.8M | ||
| Q3 24 | $33.1M | $29.3M | ||
| Q2 24 | $29.5M | $34.0M | ||
| Q1 24 | $25.1M | $25.5M |
| Q4 25 | $-2.6M | $-16.0M | ||
| Q3 25 | $-291.0K | $-23.8M | ||
| Q2 25 | $-7.2M | $202.5M | ||
| Q1 25 | $-2.2M | $-25.0M | ||
| Q4 24 | $-2.2M | $-51.1M | ||
| Q3 24 | $-2.0M | $-148.3M | ||
| Q2 24 | $-1.9M | $-582.3M | ||
| Q1 24 | $-1.6M | $-72.3M |
| Q4 25 | 7.2% | 48.9% | ||
| Q3 25 | 11.7% | 35.5% | ||
| Q2 25 | 10.4% | 33.4% | ||
| Q1 25 | 6.3% | 32.4% | ||
| Q4 24 | 4.9% | -4.4% | ||
| Q3 24 | 6.8% | 21.2% | ||
| Q2 24 | 4.8% | 27.6% | ||
| Q1 24 | 7.6% | -95.0% |
| Q4 25 | -5.3% | -17.7% | ||
| Q3 25 | 0.8% | -33.6% | ||
| Q2 25 | -5.7% | -34.8% | ||
| Q1 25 | -7.3% | -65.0% | ||
| Q4 24 | -8.2% | -84.4% | ||
| Q3 24 | -5.5% | -493.2% | ||
| Q2 24 | -8.6% | -1705.5% | ||
| Q1 24 | -7.8% | -267.0% |
| Q4 25 | -7.3% | -33.9% | ||
| Q3 25 | -0.8% | -62.2% | ||
| Q2 25 | -21.3% | 527.8% | ||
| Q1 25 | -7.6% | -76.9% | ||
| Q4 24 | -6.4% | -91.6% | ||
| Q3 24 | -6.0% | -506.3% | ||
| Q2 24 | -6.4% | -1712.6% | ||
| Q1 24 | -6.3% | -283.9% |
| Q4 25 | $-0.42 | $-4.40 | ||
| Q3 25 | $-0.05 | $-2.84 | ||
| Q2 25 | $-1.21 | $-1.79 | ||
| Q1 25 | $-0.37 | $-0.15 | ||
| Q4 24 | $-0.37 | $-15.29 | ||
| Q3 24 | $-0.33 | $-18.24 | ||
| Q2 24 | $-0.32 | $-71.81 | ||
| Q1 24 | $-0.27 | $-0.46 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $3.8M | $48.9M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $67.0M | $-249.4M |
| Total Assets | $153.3M | $308.9M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $3.8M | $48.9M | ||
| Q3 25 | $7.7M | $43.1M | ||
| Q2 25 | $12.3M | $40.8M | ||
| Q1 25 | $10.6M | $58.6M | ||
| Q4 24 | $8.7M | $56.3M | ||
| Q3 24 | $10.2M | $75.4M | ||
| Q2 24 | $12.0M | $89.6M | ||
| Q1 24 | $12.4M | $112.8M |
| Q4 25 | $67.0M | $-249.4M | ||
| Q3 25 | $69.0M | $-235.7M | ||
| Q2 25 | $68.4M | $-214.1M | ||
| Q1 25 | $76.6M | $-417.5M | ||
| Q4 24 | $79.1M | $-398.4M | ||
| Q3 24 | $80.2M | $-344.1M | ||
| Q2 24 | $82.6M | $-203.2M | ||
| Q1 24 | $84.1M | $371.6M |
| Q4 25 | $153.3M | $308.9M | ||
| Q3 25 | $156.9M | $362.6M | ||
| Q2 25 | $151.9M | $379.2M | ||
| Q1 25 | $154.9M | $405.1M | ||
| Q4 24 | $156.1M | $437.4M | ||
| Q3 24 | $161.3M | $537.8M | ||
| Q2 24 | $162.3M | $691.5M | ||
| Q1 24 | $153.2M | $1.3B |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-6.3M | $8.2M |
| Free Cash FlowOCF − Capex | $-7.3M | — |
| FCF MarginFCF / Revenue | -20.9% | — |
| Capex IntensityCapex / Revenue | 2.7% | — |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-5.2M | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-6.3M | $8.2M | ||
| Q3 25 | $-4.0M | $11.4M | ||
| Q2 25 | $3.3M | $-21.3M | ||
| Q1 25 | $6.0M | $8.5M | ||
| Q4 24 | $37.0K | $-14.7M | ||
| Q3 24 | $-3.4M | $-9.4M | ||
| Q2 24 | $-2.7M | $-11.9M | ||
| Q1 24 | $-3.6M | $-621.0K |
| Q4 25 | $-7.3M | — | ||
| Q3 25 | $-5.1M | — | ||
| Q2 25 | $1.9M | — | ||
| Q1 25 | $5.2M | — | ||
| Q4 24 | $-1.0M | — | ||
| Q3 24 | $-3.7M | — | ||
| Q2 24 | $-3.8M | — | ||
| Q1 24 | $-3.9M | — |
| Q4 25 | -20.9% | — | ||
| Q3 25 | -13.4% | — | ||
| Q2 25 | 5.6% | — | ||
| Q1 25 | 18.0% | — | ||
| Q4 24 | -3.0% | — | ||
| Q3 24 | -11.3% | — | ||
| Q2 24 | -12.7% | — | ||
| Q1 24 | -15.5% | — |
| Q4 25 | 2.7% | — | ||
| Q3 25 | 2.7% | — | ||
| Q2 25 | 4.3% | — | ||
| Q1 25 | 2.8% | — | ||
| Q4 24 | 3.1% | — | ||
| Q3 24 | 0.9% | — | ||
| Q2 24 | 3.5% | — | ||
| Q1 24 | 1.1% | — |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | -0.11× | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
NAII
| Private Label Contract Manufacturing | $32.8M | 94% |
| Patent And Trademark Licensing | $2.0M | 6% |
STEM
Segment breakdown not available.
