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

REPUBLIC BANCORP INC is the larger business by last-quarter revenue ($94.3M vs $87.0M, roughly 1.1× CASTLE BIOSCIENCES INC). On growth, REPUBLIC BANCORP INC posted the faster year-over-year revenue change (5.3% vs 0.8%). REPUBLIC BANCORP INC produced more free cash flow last quarter ($161.1M vs $19.7M). Over the past eight quarters, CASTLE BIOSCIENCES INC's revenue compounded faster (9.2% CAGR vs -11.5%).

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.

Republic Bancorp Inc. (Kentucky) is a U.S. regional banking holding company that provides a full range of retail and commercial banking services, including personal deposit accounts, consumer loans, business financing, mortgage products, and wealth management solutions. It mainly serves individual consumers and small to medium-sized enterprises in Kentucky and adjacent U.S. states.

CSTL vs RBCAA — Head-to-Head

Bigger by revenue
RBCAA
RBCAA
1.1× larger
RBCAA
$94.3M
$87.0M
CSTL
Growing faster (revenue YoY)
RBCAA
RBCAA
+4.5% gap
RBCAA
5.3%
0.8%
CSTL
More free cash flow
RBCAA
RBCAA
$141.4M more FCF
RBCAA
$161.1M
$19.7M
CSTL
Faster 2-yr revenue CAGR
CSTL
CSTL
Annualised
CSTL
9.2%
-11.5%
RBCAA

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CSTL
CSTL
RBCAA
RBCAA
Revenue
$87.0M
$94.3M
Net Profit
$22.8M
Gross Margin
79.0%
Operating Margin
-4.4%
29.3%
Net Margin
24.2%
Revenue YoY
0.8%
5.3%
Net Profit YoY
20.0%
EPS (diluted)
$-0.06

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
RBCAA
RBCAA
Q4 25
$87.0M
$94.3M
Q3 25
$83.0M
$93.5M
Q2 25
$86.2M
$93.8M
Q1 25
$88.0M
$135.8M
Q4 24
$86.3M
$89.5M
Q3 24
$85.8M
$88.1M
Q2 24
$87.0M
$86.9M
Q1 24
$73.0M
$120.3M
Net Profit
CSTL
CSTL
RBCAA
RBCAA
Q4 25
$22.8M
Q3 25
$-501.0K
$29.7M
Q2 25
$4.5M
$31.5M
Q1 25
$-25.8M
$47.3M
Q4 24
$19.0M
Q3 24
$2.3M
$26.5M
Q2 24
$8.9M
$25.2M
Q1 24
$-2.5M
$30.6M
Gross Margin
CSTL
CSTL
RBCAA
RBCAA
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%
Q1 24
81.0%
Operating Margin
CSTL
CSTL
RBCAA
RBCAA
Q4 25
-4.4%
29.3%
Q3 25
-8.2%
40.4%
Q2 25
-4.9%
43.0%
Q1 25
-31.7%
44.1%
Q4 24
4.7%
25.8%
Q3 24
5.9%
38.4%
Q2 24
5.8%
37.0%
Q1 24
-7.5%
32.2%
Net Margin
CSTL
CSTL
RBCAA
RBCAA
Q4 25
24.2%
Q3 25
-0.6%
31.8%
Q2 25
5.2%
33.5%
Q1 25
-29.4%
34.8%
Q4 24
21.2%
Q3 24
2.6%
30.1%
Q2 24
10.3%
29.0%
Q1 24
-3.5%
25.4%
EPS (diluted)
CSTL
CSTL
RBCAA
RBCAA
Q4 25
$-0.06
Q3 25
$-0.02
Q2 25
$0.15
Q1 25
$-0.90
Q4 24
$0.32
Q3 24
$0.08
Q2 24
$0.31
Q1 24
$-0.09

Balance Sheet & Financial Strength

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

Metric
CSTL
CSTL
RBCAA
RBCAA
Cash + ST InvestmentsLiquidity on hand
$299.5M
$220.0M
Total DebtLower is stronger
$10.1M
Stockholders' EquityBook value
$470.9M
$1.1B
Total Assets
$578.6M
$7.0B
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTL
CSTL
RBCAA
RBCAA
Q4 25
$299.5M
$220.0M
Q3 25
$287.5M
$484.2M
Q2 25
$275.9M
$484.8M
Q1 25
$275.2M
$793.0M
Q4 24
$293.1M
$432.2M
Q3 24
$95.0M
$530.9M
Q2 24
$85.6M
$400.1M
Q1 24
$82.9M
$546.4M
Total Debt
CSTL
CSTL
RBCAA
RBCAA
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
RBCAA
RBCAA
Q4 25
$470.9M
$1.1B
Q3 25
$467.0M
$1.1B
Q2 25
$455.4M
$1.1B
Q1 25
$440.3M
$1.0B
Q4 24
$455.8M
$992.0M
Q3 24
$441.1M
$979.7M
Q2 24
$423.9M
$955.4M
Q1 24
$402.5M
$935.6M
Total Assets
CSTL
CSTL
RBCAA
RBCAA
Q4 25
$578.6M
$7.0B
Q3 25
$562.8M
$7.0B
Q2 25
$544.7M
$7.0B
Q1 25
$501.7M
$7.1B
Q4 24
$531.2M
$6.8B
Q3 24
$514.6M
$6.7B
Q2 24
$487.3M
$6.6B
Q1 24
$458.5M
$6.9B
Debt / Equity
CSTL
CSTL
RBCAA
RBCAA
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
RBCAA
RBCAA
Operating Cash FlowLast quarter
$26.9M
$168.2M
Free Cash FlowOCF − Capex
$19.7M
$161.1M
FCF MarginFCF / Revenue
22.7%
170.9%
Capex IntensityCapex / Revenue
8.3%
7.5%
Cash ConversionOCF / Net Profit
7.37×
TTM Free Cash FlowTrailing 4 quarters
$28.3M
$288.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTL
CSTL
RBCAA
RBCAA
Q4 25
$26.9M
$168.2M
Q3 25
$22.6M
$33.3M
Q2 25
$20.8M
$8.4M
Q1 25
$-6.0M
$93.2M
Q4 24
$24.4M
$149.0M
Q3 24
$23.3M
$51.3M
Q2 24
$24.0M
$4.0M
Q1 24
$-6.8M
$71.2M
Free Cash Flow
CSTL
CSTL
RBCAA
RBCAA
Q4 25
$19.7M
$161.1M
Q3 25
$7.8M
$30.8M
Q2 25
$11.6M
$5.2M
Q1 25
$-10.8M
$91.6M
Q4 24
$16.8M
$143.2M
Q3 24
$17.0M
$49.8M
Q2 24
$18.8M
$2.7M
Q1 24
$-16.0M
$69.1M
FCF Margin
CSTL
CSTL
RBCAA
RBCAA
Q4 25
22.7%
170.9%
Q3 25
9.4%
32.9%
Q2 25
13.4%
5.5%
Q1 25
-12.2%
67.4%
Q4 24
19.5%
160.0%
Q3 24
19.8%
56.5%
Q2 24
21.6%
3.1%
Q1 24
-21.9%
57.5%
Capex Intensity
CSTL
CSTL
RBCAA
RBCAA
Q4 25
8.3%
7.5%
Q3 25
17.9%
2.6%
Q2 25
10.7%
3.5%
Q1 25
5.4%
1.2%
Q4 24
8.8%
6.5%
Q3 24
7.4%
1.7%
Q2 24
6.0%
1.5%
Q1 24
12.5%
1.7%
Cash Conversion
CSTL
CSTL
RBCAA
RBCAA
Q4 25
7.37×
Q3 25
1.12×
Q2 25
4.60×
0.27×
Q1 25
1.97×
Q4 24
7.84×
Q3 24
10.29×
1.93×
Q2 24
2.69×
0.16×
Q1 24
2.33×

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%

RBCAA
RBCAA

Segment breakdown not available.

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