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Side-by-side financial comparison of CASTLE BIOSCIENCES INC (CSTL) and VERACYTE, INC. (VCYT). Click either name above to swap in a different company.

VERACYTE, INC. is the larger business by last-quarter revenue ($140.6M vs $87.0M, roughly 1.6× CASTLE BIOSCIENCES INC). On growth, VERACYTE, INC. posted the faster year-over-year revenue change (18.5% vs 0.8%). VERACYTE, INC. produced more free cash flow last quarter ($48.8M vs $19.7M). Over the past eight quarters, VERACYTE, INC.'s revenue compounded faster (20.5% CAGR vs 9.2%).

Castle Biosciences Inc. is a commercial-stage diagnostic firm that develops and markets proprietary, clinically actionable tests for dermatological conditions such as melanoma and other skin cancers, plus rare diseases. It operates mainly in the U.S. healthcare market, focusing on segments with high unmet need for more accurate diagnostics to guide treatment choices.

Veracyte Inc. is a leading molecular diagnostics company that develops and commercializes proprietary genomic testing solutions for early, accurate detection of cancer and other complex diseases. Its offerings help healthcare providers make better clinical decisions to improve patient outcomes, with core operations in the U.S. and expanding global market presence across key clinical segments.

CSTL vs VCYT — Head-to-Head

Bigger by revenue
VCYT
VCYT
1.6× larger
VCYT
$140.6M
$87.0M
CSTL
Growing faster (revenue YoY)
VCYT
VCYT
+17.7% gap
VCYT
18.5%
0.8%
CSTL
More free cash flow
VCYT
VCYT
$29.1M more FCF
VCYT
$48.8M
$19.7M
CSTL
Faster 2-yr revenue CAGR
VCYT
VCYT
Annualised
VCYT
20.5%
9.2%
CSTL

Income Statement — Q4 2025 vs Q4 2025

Metric
CSTL
CSTL
VCYT
VCYT
Revenue
$87.0M
$140.6M
Net Profit
$41.1M
Gross Margin
79.0%
72.5%
Operating Margin
-4.4%
26.4%
Net Margin
29.3%
Revenue YoY
0.8%
18.5%
Net Profit YoY
704.8%
EPS (diluted)
$-0.06
$0.50

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
CSTL
CSTL
VCYT
VCYT
Q4 25
$87.0M
$140.6M
Q3 25
$83.0M
$131.9M
Q2 25
$86.2M
$130.2M
Q1 25
$88.0M
$114.5M
Q4 24
$86.3M
$118.6M
Q3 24
$85.8M
$115.9M
Q2 24
$87.0M
$114.4M
Q1 24
$73.0M
$96.8M
Net Profit
CSTL
CSTL
VCYT
VCYT
Q4 25
$41.1M
Q3 25
$-501.0K
$19.1M
Q2 25
$4.5M
$-980.0K
Q1 25
$-25.8M
$7.0M
Q4 24
$5.1M
Q3 24
$2.3M
$15.2M
Q2 24
$8.9M
$5.7M
Q1 24
$-2.5M
$-1.9M
Gross Margin
CSTL
CSTL
VCYT
VCYT
Q4 25
79.0%
72.5%
Q3 25
77.5%
69.2%
Q2 25
79.5%
69.0%
Q1 25
81.4%
69.5%
Q4 24
81.3%
66.4%
Q3 24
81.8%
68.2%
Q2 24
83.3%
68.1%
Q1 24
81.0%
64.5%
Operating Margin
CSTL
CSTL
VCYT
VCYT
Q4 25
-4.4%
26.4%
Q3 25
-8.2%
17.4%
Q2 25
-4.9%
-4.0%
Q1 25
-31.7%
2.5%
Q4 24
4.7%
3.5%
Q3 24
5.9%
10.4%
Q2 24
5.8%
4.0%
Q1 24
-7.5%
-4.8%
Net Margin
CSTL
CSTL
VCYT
VCYT
Q4 25
29.3%
Q3 25
-0.6%
14.5%
Q2 25
5.2%
-0.8%
Q1 25
-29.4%
6.2%
Q4 24
4.3%
Q3 24
2.6%
13.1%
Q2 24
10.3%
5.0%
Q1 24
-3.5%
-1.9%
EPS (diluted)
CSTL
CSTL
VCYT
VCYT
Q4 25
$-0.06
$0.50
Q3 25
$-0.02
$0.24
Q2 25
$0.15
$-0.01
Q1 25
$-0.90
$0.09
Q4 24
$0.32
$0.07
Q3 24
$0.08
$0.19
Q2 24
$0.31
$0.07
Q1 24
$-0.09
$-0.02

Balance Sheet & Financial Strength

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

Metric
CSTL
CSTL
VCYT
VCYT
Cash + ST InvestmentsLiquidity on hand
$299.5M
$362.6M
Total DebtLower is stronger
$10.1M
Stockholders' EquityBook value
$470.9M
$1.3B
Total Assets
$578.6M
$1.4B
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTL
CSTL
VCYT
VCYT
Q4 25
$299.5M
$362.6M
Q3 25
$287.5M
$315.6M
Q2 25
$275.9M
$219.5M
Q1 25
$275.2M
$186.1M
Q4 24
$293.1M
$239.1M
Q3 24
$95.0M
$274.1M
Q2 24
$85.6M
$235.9M
Q1 24
$82.9M
$209.2M
Total Debt
CSTL
CSTL
VCYT
VCYT
Q4 25
$10.1M
Q3 25
$10.0M
Q2 25
$10.0M
Q1 25
$10.0M
Q4 24
$10.0M
Q3 24
$10.0M
Q2 24
$10.0M
Q1 24
$10.0M
Stockholders' Equity
CSTL
CSTL
VCYT
VCYT
Q4 25
$470.9M
$1.3B
Q3 25
$467.0M
$1.3B
Q2 25
$455.4M
$1.2B
Q1 25
$440.3M
$1.2B
Q4 24
$455.8M
$1.2B
Q3 24
$441.1M
$1.2B
Q2 24
$423.9M
$1.1B
Q1 24
$402.5M
$1.1B
Total Assets
CSTL
CSTL
VCYT
VCYT
Q4 25
$578.6M
$1.4B
Q3 25
$562.8M
$1.4B
Q2 25
$544.7M
$1.3B
Q1 25
$501.7M
$1.3B
Q4 24
$531.2M
$1.3B
Q3 24
$514.6M
$1.3B
Q2 24
$487.3M
$1.2B
Q1 24
$458.5M
$1.2B
Debt / Equity
CSTL
CSTL
VCYT
VCYT
Q4 25
0.02×
Q3 25
0.02×
Q2 25
0.02×
Q1 25
0.02×
Q4 24
0.02×
Q3 24
0.02×
Q2 24
0.02×
Q1 24
0.02×

Cash Flow & Capital Efficiency

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

Metric
CSTL
CSTL
VCYT
VCYT
Operating Cash FlowLast quarter
$26.9M
$52.6M
Free Cash FlowOCF − Capex
$19.7M
$48.8M
FCF MarginFCF / Revenue
22.7%
34.7%
Capex IntensityCapex / Revenue
8.3%
2.7%
Cash ConversionOCF / Net Profit
1.28×
TTM Free Cash FlowTrailing 4 quarters
$28.3M
$126.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTL
CSTL
VCYT
VCYT
Q4 25
$26.9M
$52.6M
Q3 25
$22.6M
$44.8M
Q2 25
$20.8M
$33.6M
Q1 25
$-6.0M
$5.4M
Q4 24
$24.4M
$24.5M
Q3 24
$23.3M
$30.0M
Q2 24
$24.0M
$29.6M
Q1 24
$-6.8M
$-9.0M
Free Cash Flow
CSTL
CSTL
VCYT
VCYT
Q4 25
$19.7M
$48.8M
Q3 25
$7.8M
$42.0M
Q2 25
$11.6M
$32.3M
Q1 25
$-10.8M
$3.5M
Q4 24
$16.8M
$20.4M
Q3 24
$17.0M
$27.7M
Q2 24
$18.8M
$26.8M
Q1 24
$-16.0M
$-11.1M
FCF Margin
CSTL
CSTL
VCYT
VCYT
Q4 25
22.7%
34.7%
Q3 25
9.4%
31.8%
Q2 25
13.4%
24.8%
Q1 25
-12.2%
3.1%
Q4 24
19.5%
17.2%
Q3 24
19.8%
23.9%
Q2 24
21.6%
23.4%
Q1 24
-21.9%
-11.5%
Capex Intensity
CSTL
CSTL
VCYT
VCYT
Q4 25
8.3%
2.7%
Q3 25
17.9%
2.1%
Q2 25
10.7%
1.0%
Q1 25
5.4%
1.6%
Q4 24
8.8%
3.5%
Q3 24
7.4%
1.9%
Q2 24
6.0%
2.4%
Q1 24
12.5%
2.2%
Cash Conversion
CSTL
CSTL
VCYT
VCYT
Q4 25
1.28×
Q3 25
2.34×
Q2 25
4.60×
Q1 25
0.76×
Q4 24
4.80×
Q3 24
10.29×
1.98×
Q2 24
2.69×
5.16×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSTL
CSTL

Dermatologic$48.6M56%
Non Dermatologic$38.4M44%

VCYT
VCYT

Testing$135.8M97%
Products$3.8M3%
Biopharmaceutical And Other$686.0K0%

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