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

ServisFirst Bancshares, Inc. is the larger business by last-quarter revenue ($159.0M vs $87.0M, roughly 1.8× CASTLE BIOSCIENCES INC). Over the past eight quarters, ServisFirst Bancshares, Inc.'s revenue compounded faster (17.7% 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.

ServisFirst Bancshares, Inc. is a U.S.-based bank holding company operating full-service banking locations primarily across the Southeastern United States. It offers a full suite of commercial banking, consumer banking, wealth management, and mortgage lending services to small and medium-sized businesses, professional clients, and individual consumers.

CSTL vs SFBS — Head-to-Head

Bigger by revenue
SFBS
SFBS
1.8× larger
SFBS
$159.0M
$87.0M
CSTL
Faster 2-yr revenue CAGR
SFBS
SFBS
Annualised
SFBS
17.7%
9.2%
CSTL

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CSTL
CSTL
SFBS
SFBS
Revenue
$87.0M
$159.0M
Net Profit
$83.0M
Gross Margin
79.0%
Operating Margin
-4.4%
Net Margin
52.2%
Revenue YoY
0.8%
Net Profit YoY
31.2%
EPS (diluted)
$-0.06
$1.52

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
SFBS
SFBS
Q1 26
$159.0M
Q4 25
$87.0M
$162.2M
Q3 25
$83.0M
$136.3M
Q2 25
$86.2M
$132.1M
Q1 25
$88.0M
$131.8M
Q4 24
$86.3M
$131.9M
Q3 24
$85.8M
$123.7M
Q2 24
$87.0M
$114.8M
Net Profit
CSTL
CSTL
SFBS
SFBS
Q1 26
$83.0M
Q4 25
$86.4M
Q3 25
$-501.0K
$65.6M
Q2 25
$4.5M
$61.4M
Q1 25
$-25.8M
$63.2M
Q4 24
$65.2M
Q3 24
$2.3M
$59.9M
Q2 24
$8.9M
$52.1M
Gross Margin
CSTL
CSTL
SFBS
SFBS
Q1 26
Q4 25
79.0%
Q3 25
77.5%
Q2 25
79.5%
Q1 25
81.4%
Q4 24
81.3%
Q3 24
81.8%
Q2 24
83.3%
Operating Margin
CSTL
CSTL
SFBS
SFBS
Q1 26
Q4 25
-4.4%
66.3%
Q3 25
-8.2%
57.8%
Q2 25
-4.9%
58.0%
Q1 25
-31.7%
60.0%
Q4 24
4.7%
60.2%
Q3 24
5.9%
58.5%
Q2 24
5.8%
58.0%
Net Margin
CSTL
CSTL
SFBS
SFBS
Q1 26
52.2%
Q4 25
59.0%
Q3 25
-0.6%
48.1%
Q2 25
5.2%
46.5%
Q1 25
-29.4%
48.0%
Q4 24
52.9%
Q3 24
2.6%
48.4%
Q2 24
10.3%
45.4%
EPS (diluted)
CSTL
CSTL
SFBS
SFBS
Q1 26
$1.52
Q4 25
$-0.06
$1.58
Q3 25
$-0.02
$1.20
Q2 25
$0.15
$1.12
Q1 25
$-0.90
$1.16
Q4 24
$0.32
$1.19
Q3 24
$0.08
$1.10
Q2 24
$0.31
$0.95

Balance Sheet & Financial Strength

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

Metric
CSTL
CSTL
SFBS
SFBS
Cash + ST InvestmentsLiquidity on hand
$299.5M
$1.8B
Total DebtLower is stronger
$10.1M
Stockholders' EquityBook value
$470.9M
$1.9B
Total Assets
$578.6M
$18.2B
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTL
CSTL
SFBS
SFBS
Q1 26
$1.8B
Q4 25
$299.5M
Q3 25
$287.5M
Q2 25
$275.9M
Q1 25
$275.2M
Q4 24
$293.1M
Q3 24
$95.0M
Q2 24
$85.6M
Total Debt
CSTL
CSTL
SFBS
SFBS
Q1 26
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
Stockholders' Equity
CSTL
CSTL
SFBS
SFBS
Q1 26
$1.9B
Q4 25
$470.9M
$1.8B
Q3 25
$467.0M
$1.8B
Q2 25
$455.4M
$1.7B
Q1 25
$440.3M
$1.7B
Q4 24
$455.8M
$1.6B
Q3 24
$441.1M
$1.6B
Q2 24
$423.9M
$1.5B
Total Assets
CSTL
CSTL
SFBS
SFBS
Q1 26
$18.2B
Q4 25
$578.6M
$17.7B
Q3 25
$562.8M
$17.6B
Q2 25
$544.7M
$17.4B
Q1 25
$501.7M
$18.6B
Q4 24
$531.2M
$17.4B
Q3 24
$514.6M
$16.4B
Q2 24
$487.3M
$16.0B
Debt / Equity
CSTL
CSTL
SFBS
SFBS
Q1 26
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×

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
SFBS
SFBS
Operating Cash FlowLast quarter
$26.9M
Free Cash FlowOCF − Capex
$19.7M
FCF MarginFCF / Revenue
22.7%
Capex IntensityCapex / Revenue
8.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$28.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTL
CSTL
SFBS
SFBS
Q1 26
Q4 25
$26.9M
$355.2M
Q3 25
$22.6M
$140.9M
Q2 25
$20.8M
$67.6M
Q1 25
$-6.0M
$48.0M
Q4 24
$24.4M
$252.9M
Q3 24
$23.3M
$84.0M
Q2 24
$24.0M
$48.3M
Free Cash Flow
CSTL
CSTL
SFBS
SFBS
Q1 26
Q4 25
$19.7M
Q3 25
$7.8M
Q2 25
$11.6M
Q1 25
$-10.8M
Q4 24
$16.8M
Q3 24
$17.0M
Q2 24
$18.8M
FCF Margin
CSTL
CSTL
SFBS
SFBS
Q1 26
Q4 25
22.7%
Q3 25
9.4%
Q2 25
13.4%
Q1 25
-12.2%
Q4 24
19.5%
Q3 24
19.8%
Q2 24
21.6%
Capex Intensity
CSTL
CSTL
SFBS
SFBS
Q1 26
Q4 25
8.3%
Q3 25
17.9%
Q2 25
10.7%
Q1 25
5.4%
Q4 24
8.8%
Q3 24
7.4%
Q2 24
6.0%
Cash Conversion
CSTL
CSTL
SFBS
SFBS
Q1 26
Q4 25
4.11×
Q3 25
2.15×
Q2 25
4.60×
1.10×
Q1 25
0.76×
Q4 24
3.88×
Q3 24
10.29×
1.40×
Q2 24
2.69×
0.93×

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%

SFBS
SFBS

Net Interest Income$148.1M93%
Noninterest Income$10.8M7%

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