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Side-by-side financial comparison of McEwen Inc. (MUX) and STEM, INC. (STEM). Click either name above to swap in a different company.

McEwen Inc. is the larger business by last-quarter revenue ($64.6M vs $47.1M, roughly 1.4× STEM, INC.). McEwen Inc. runs the higher net margin — 59.0% vs -33.9%, a 92.9% gap on every dollar of revenue. On growth, McEwen Inc. posted the faster year-over-year revenue change (92.8% vs -15.6%). Over the past eight quarters, STEM, INC.'s revenue compounded faster (36.1% CAGR vs 25.2%).

McEwen Inc (ticker MUX) is a natural resource company primarily engaged in the exploration, development, and production of gold, silver, and copper assets. Its core operations are located across North and South America, serving global commodity markets with a focus on sustainable, responsible mining practices.

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.

MUX vs STEM — Head-to-Head

Bigger by revenue
MUX
MUX
1.4× larger
MUX
$64.6M
$47.1M
STEM
Growing faster (revenue YoY)
MUX
MUX
+108.3% gap
MUX
92.8%
-15.6%
STEM
Higher net margin
MUX
MUX
92.9% more per $
MUX
59.0%
-33.9%
STEM
Faster 2-yr revenue CAGR
STEM
STEM
Annualised
STEM
36.1%
25.2%
MUX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MUX
MUX
STEM
STEM
Revenue
$64.6M
$47.1M
Net Profit
$38.1M
$-16.0M
Gross Margin
26.9%
48.9%
Operating Margin
34.2%
-17.7%
Net Margin
59.0%
-33.9%
Revenue YoY
92.8%
-15.6%
Net Profit YoY
563.1%
68.8%
EPS (diluted)
$0.66
$-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.

Revenue
MUX
MUX
STEM
STEM
Q4 25
$64.6M
$47.1M
Q3 25
$50.5M
$38.2M
Q2 25
$46.7M
$38.4M
Q1 25
$35.7M
$32.5M
Q4 24
$33.5M
$55.8M
Q3 24
$52.3M
$29.3M
Q2 24
$47.5M
$34.0M
Q1 24
$41.2M
$25.5M
Net Profit
MUX
MUX
STEM
STEM
Q4 25
$38.1M
$-16.0M
Q3 25
$-462.0K
$-23.8M
Q2 25
$3.0M
$202.5M
Q1 25
$-6.3M
$-25.0M
Q4 24
$-8.2M
$-51.1M
Q3 24
$-2.1M
$-148.3M
Q2 24
$-13.0M
$-582.3M
Q1 24
$-20.4M
$-72.3M
Gross Margin
MUX
MUX
STEM
STEM
Q4 25
26.9%
48.9%
Q3 25
15.5%
35.5%
Q2 25
26.3%
33.4%
Q1 25
28.2%
32.4%
Q4 24
1.1%
-4.4%
Q3 24
26.4%
21.2%
Q2 24
22.7%
27.6%
Q1 24
14.6%
-95.0%
Operating Margin
MUX
MUX
STEM
STEM
Q4 25
34.2%
-17.7%
Q3 25
-16.7%
-33.6%
Q2 25
-7.2%
-34.8%
Q1 25
-21.4%
-65.0%
Q4 24
-43.4%
-84.4%
Q3 24
-0.2%
-493.2%
Q2 24
-29.4%
-1705.5%
Q1 24
-53.3%
-267.0%
Net Margin
MUX
MUX
STEM
STEM
Q4 25
59.0%
-33.9%
Q3 25
-0.9%
-62.2%
Q2 25
6.5%
527.8%
Q1 25
-17.6%
-76.9%
Q4 24
-24.6%
-91.6%
Q3 24
-4.0%
-506.3%
Q2 24
-27.4%
-1712.6%
Q1 24
-49.4%
-283.9%
EPS (diluted)
MUX
MUX
STEM
STEM
Q4 25
$0.66
$-4.40
Q3 25
$-0.01
$-2.84
Q2 25
$0.06
$-1.79
Q1 25
$-0.12
$-0.15
Q4 24
$-0.15
$-15.29
Q3 24
$-0.04
$-18.24
Q2 24
$-0.26
$-71.81
Q1 24
$-0.41
$-0.46

Balance Sheet & Financial Strength

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

Metric
MUX
MUX
STEM
STEM
Cash + ST InvestmentsLiquidity on hand
$72.1M
$48.9M
Total DebtLower is stronger
$126.2M
Stockholders' EquityBook value
$546.2M
$-249.4M
Total Assets
$820.2M
$308.9M
Debt / EquityLower = less leverage
0.23×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MUX
MUX
STEM
STEM
Q4 25
$72.1M
$48.9M
Q3 25
$75.4M
$43.1M
Q2 25
$69.5M
$40.8M
Q1 25
$79.3M
$58.6M
Q4 24
$15.3M
$56.3M
Q3 24
$30.2M
$75.4M
Q2 24
$42.6M
$89.6M
Q1 24
$22.0M
$112.8M
Total Debt
MUX
MUX
STEM
STEM
Q4 25
$126.2M
Q3 25
$126.0M
Q2 25
$125.8M
Q1 25
$125.5M
Q4 24
$40.0M
Q3 24
$31.0M
Q2 24
$34.0M
Q1 24
$37.0M
Stockholders' Equity
MUX
MUX
STEM
STEM
Q4 25
$546.2M
$-249.4M
Q3 25
$488.6M
$-235.7M
Q2 25
$484.5M
$-214.1M
Q1 25
$479.8M
$-417.5M
Q4 24
$495.0M
$-398.4M
Q3 24
$502.1M
$-344.1M
Q2 24
$485.2M
$-203.2M
Q1 24
$482.5M
$371.6M
Total Assets
MUX
MUX
STEM
STEM
Q4 25
$820.2M
$308.9M
Q3 25
$747.6M
$362.6M
Q2 25
$735.6M
$379.2M
Q1 25
$730.6M
$405.1M
Q4 24
$664.6M
$437.4M
Q3 24
$667.8M
$537.8M
Q2 24
$645.1M
$691.5M
Q1 24
$638.7M
$1.3B
Debt / Equity
MUX
MUX
STEM
STEM
Q4 25
0.23×
Q3 25
0.26×
Q2 25
0.26×
Q1 25
0.26×
Q4 24
0.08×
Q3 24
0.06×
Q2 24
0.07×
Q1 24
0.08×

Cash Flow & Capital Efficiency

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

Metric
MUX
MUX
STEM
STEM
Operating Cash FlowLast quarter
$3.1M
$8.2M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.08×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MUX
MUX
STEM
STEM
Q4 25
$3.1M
$8.2M
Q3 25
$5.2M
$11.4M
Q2 25
$478.0K
$-21.3M
Q1 25
$-1.9M
$8.5M
Q4 24
$-1.2M
$-14.7M
Q3 24
$23.2M
$-9.4M
Q2 24
$3.6M
$-11.9M
Q1 24
$3.9M
$-621.0K
Cash Conversion
MUX
MUX
STEM
STEM
Q4 25
0.08×
Q3 25
Q2 25
0.16×
-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.

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