vs

Side-by-side financial comparison of BIODESIX INC (BDSX) 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 $28.8M, roughly 1.6× BIODESIX INC). BIODESIX INC runs the higher net margin — -13.8% vs -33.9%, a 20.1% gap on every dollar of revenue. On growth, BIODESIX INC posted the faster year-over-year revenue change (40.8% vs -15.6%). Over the past eight quarters, BIODESIX INC's revenue compounded faster (39.3% CAGR vs 36.1%).

Biodesix Inc is a molecular diagnostics enterprise specializing in developing and commercializing innovative blood-based testing solutions for oncology and infectious disease fields. It primarily serves healthcare providers, biopharmaceutical partners and patients across North America, with core business covering personalized medicine products that support clinical decision making.

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.

BDSX vs STEM — Head-to-Head

Bigger by revenue
STEM
STEM
1.6× larger
STEM
$47.1M
$28.8M
BDSX
Growing faster (revenue YoY)
BDSX
BDSX
+56.3% gap
BDSX
40.8%
-15.6%
STEM
Higher net margin
BDSX
BDSX
20.1% more per $
BDSX
-13.8%
-33.9%
STEM
Faster 2-yr revenue CAGR
BDSX
BDSX
Annualised
BDSX
39.3%
36.1%
STEM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BDSX
BDSX
STEM
STEM
Revenue
$28.8M
$47.1M
Net Profit
$-4.0M
$-16.0M
Gross Margin
48.9%
Operating Margin
-6.8%
-17.7%
Net Margin
-13.8%
-33.9%
Revenue YoY
40.8%
-15.6%
Net Profit YoY
51.8%
68.8%
EPS (diluted)
$-3.35
$-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
BDSX
BDSX
STEM
STEM
Q4 25
$28.8M
$47.1M
Q3 25
$21.8M
$38.2M
Q2 25
$20.0M
$38.4M
Q1 25
$18.0M
$32.5M
Q4 24
$20.4M
$55.8M
Q3 24
$18.2M
$29.3M
Q2 24
$17.9M
$34.0M
Q1 24
$14.8M
$25.5M
Net Profit
BDSX
BDSX
STEM
STEM
Q4 25
$-4.0M
$-16.0M
Q3 25
$-8.7M
$-23.8M
Q2 25
$-11.5M
$202.5M
Q1 25
$-11.1M
$-25.0M
Q4 24
$-8.3M
$-51.1M
Q3 24
$-10.3M
$-148.3M
Q2 24
$-10.8M
$-582.3M
Q1 24
$-13.6M
$-72.3M
Gross Margin
BDSX
BDSX
STEM
STEM
Q4 25
48.9%
Q3 25
35.5%
Q2 25
33.4%
Q1 25
32.4%
Q4 24
-4.4%
Q3 24
21.2%
Q2 24
27.6%
Q1 24
-95.0%
Operating Margin
BDSX
BDSX
STEM
STEM
Q4 25
-6.8%
-17.7%
Q3 25
-32.4%
-33.6%
Q2 25
-48.6%
-34.8%
Q1 25
-50.9%
-65.0%
Q4 24
-32.5%
-84.4%
Q3 24
-47.3%
-493.2%
Q2 24
-46.0%
-1705.5%
Q1 24
-74.4%
-267.0%
Net Margin
BDSX
BDSX
STEM
STEM
Q4 25
-13.8%
-33.9%
Q3 25
-40.0%
-62.2%
Q2 25
-57.3%
527.8%
Q1 25
-61.8%
-76.9%
Q4 24
-40.4%
-91.6%
Q3 24
-56.5%
-506.3%
Q2 24
-60.3%
-1712.6%
Q1 24
-91.9%
-283.9%
EPS (diluted)
BDSX
BDSX
STEM
STEM
Q4 25
$-3.35
$-4.40
Q3 25
$-1.16
$-2.84
Q2 25
$-0.08
$-1.79
Q1 25
$-0.08
$-0.15
Q4 24
$-5.02
$-15.29
Q3 24
$-1.40
$-18.24
Q2 24
$-0.08
$-71.81
Q1 24
$-0.14
$-0.46

Balance Sheet & Financial Strength

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

Metric
BDSX
BDSX
STEM
STEM
Cash + ST InvestmentsLiquidity on hand
$19.0M
$48.9M
Total DebtLower is stronger
$50.0M
Stockholders' EquityBook value
$-2.5M
$-249.4M
Total Assets
$87.5M
$308.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BDSX
BDSX
STEM
STEM
Q4 25
$19.0M
$48.9M
Q3 25
$16.6M
$43.1M
Q2 25
$20.7M
$40.8M
Q1 25
$17.6M
$58.6M
Q4 24
$26.2M
$56.3M
Q3 24
$31.4M
$75.4M
Q2 24
$42.2M
$89.6M
Q1 24
$11.5M
$112.8M
Total Debt
BDSX
BDSX
STEM
STEM
Q4 25
$50.0M
Q3 25
$50.0M
Q2 25
$50.0M
Q1 25
$40.0M
Q4 24
$40.0M
Q3 24
$40.0M
Q2 24
$40.1M
Q1 24
$40.1M
Stockholders' Equity
BDSX
BDSX
STEM
STEM
Q4 25
$-2.5M
$-249.4M
Q3 25
$-1.7M
$-235.7M
Q2 25
$1.1M
$-214.1M
Q1 25
$11.1M
$-417.5M
Q4 24
$20.9M
$-398.4M
Q3 24
$27.9M
$-344.1M
Q2 24
$36.3M
$-203.2M
Q1 24
$-5.5M
$371.6M
Total Assets
BDSX
BDSX
STEM
STEM
Q4 25
$87.5M
$308.9M
Q3 25
$88.7M
$362.6M
Q2 25
$87.7M
$379.2M
Q1 25
$86.2M
$405.1M
Q4 24
$97.2M
$437.4M
Q3 24
$102.7M
$537.8M
Q2 24
$115.8M
$691.5M
Q1 24
$87.2M
$1.3B
Debt / Equity
BDSX
BDSX
STEM
STEM
Q4 25
Q3 25
Q2 25
43.95×
Q1 25
3.62×
Q4 24
1.92×
Q3 24
1.44×
Q2 24
1.10×
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
BDSX
BDSX
STEM
STEM
Operating Cash FlowLast quarter
$778.0K
$8.2M
Free Cash FlowOCF − Capex
$692.0K
FCF MarginFCF / Revenue
2.4%
Capex IntensityCapex / Revenue
0.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-23.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BDSX
BDSX
STEM
STEM
Q4 25
$778.0K
$8.2M
Q3 25
$-8.9M
$11.4M
Q2 25
$-6.6M
$-21.3M
Q1 25
$-8.6M
$8.5M
Q4 24
$-4.1M
$-14.7M
Q3 24
$-10.7M
$-9.4M
Q2 24
$-18.6M
$-11.9M
Q1 24
$-15.3M
$-621.0K
Free Cash Flow
BDSX
BDSX
STEM
STEM
Q4 25
$692.0K
Q3 25
$-8.9M
Q2 25
$-6.6M
Q1 25
$-8.7M
Q4 24
$-4.9M
Q3 24
$-10.9M
Q2 24
$-20.5M
Q1 24
$-15.5M
FCF Margin
BDSX
BDSX
STEM
STEM
Q4 25
2.4%
Q3 25
-41.0%
Q2 25
-33.1%
Q1 25
-48.3%
Q4 24
-24.2%
Q3 24
-60.1%
Q2 24
-114.3%
Q1 24
-104.9%
Capex Intensity
BDSX
BDSX
STEM
STEM
Q4 25
0.3%
Q3 25
0.2%
Q2 25
0.3%
Q1 25
0.4%
Q4 24
4.1%
Q3 24
1.3%
Q2 24
10.7%
Q1 24
1.6%
Cash Conversion
BDSX
BDSX
STEM
STEM
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

BDSX
BDSX

Diagnostic Tests$25.1M87%
Development Services$3.6M13%

STEM
STEM

Segment breakdown not available.

Related Comparisons