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

CASTLE BIOSCIENCES INC is the larger business by last-quarter revenue ($87.0M vs $83.1M, roughly 1.0× Business First Bancshares, Inc.). On growth, Business First Bancshares, Inc. posted the faster year-over-year revenue change (7.1% vs 0.8%). Business First Bancshares, Inc. produced more free cash flow last quarter ($92.0M vs $19.7M). Over the past eight quarters, Business First Bancshares, Inc.'s revenue compounded faster (16.8% CAGR vs 9.2%).

First Citizens Bancshares, Inc. is a bank holding company based in Raleigh, North Carolina and one of the largest banks in the United States. Its primary subsidiary is First Citizens Bank, which operates over 500 branches in 23 states. A second subsidiary is Silicon Valley Bank, which operates 39 offices in 15 states.

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.

BFST vs CSTL — Head-to-Head

Bigger by revenue
CSTL
CSTL
1.0× larger
CSTL
$87.0M
$83.1M
BFST
Growing faster (revenue YoY)
BFST
BFST
+6.3% gap
BFST
7.1%
0.8%
CSTL
More free cash flow
BFST
BFST
$72.3M more FCF
BFST
$92.0M
$19.7M
CSTL
Faster 2-yr revenue CAGR
BFST
BFST
Annualised
BFST
16.8%
9.2%
CSTL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BFST
BFST
CSTL
CSTL
Revenue
$83.1M
$87.0M
Net Profit
Gross Margin
79.0%
Operating Margin
33.2%
-4.4%
Net Margin
Revenue YoY
7.1%
0.8%
Net Profit YoY
EPS (diluted)
$0.71
$-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
BFST
BFST
CSTL
CSTL
Q4 25
$83.1M
$87.0M
Q3 25
$80.9M
$83.0M
Q2 25
$81.5M
$86.2M
Q1 25
$79.2M
$88.0M
Q4 24
$77.6M
$86.3M
Q3 24
$66.9M
$85.8M
Q2 24
$66.2M
$87.0M
Q1 24
$60.9M
$73.0M
Net Profit
BFST
BFST
CSTL
CSTL
Q4 25
Q3 25
$22.9M
$-501.0K
Q2 25
$22.1M
$4.5M
Q1 25
$20.5M
$-25.8M
Q4 24
Q3 24
$17.8M
$2.3M
Q2 24
$17.2M
$8.9M
Q1 24
$13.6M
$-2.5M
Gross Margin
BFST
BFST
CSTL
CSTL
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
BFST
BFST
CSTL
CSTL
Q4 25
33.2%
-4.4%
Q3 25
35.7%
-8.2%
Q2 25
34.4%
-4.9%
Q1 25
32.6%
-31.7%
Q4 24
27.5%
4.7%
Q3 24
34.0%
5.9%
Q2 24
32.9%
5.8%
Q1 24
28.2%
-7.5%
Net Margin
BFST
BFST
CSTL
CSTL
Q4 25
Q3 25
28.2%
-0.6%
Q2 25
27.1%
5.2%
Q1 25
25.9%
-29.4%
Q4 24
Q3 24
26.7%
2.6%
Q2 24
26.0%
10.3%
Q1 24
22.3%
-3.5%
EPS (diluted)
BFST
BFST
CSTL
CSTL
Q4 25
$0.71
$-0.06
Q3 25
$0.73
$-0.02
Q2 25
$0.70
$0.15
Q1 25
$0.65
$-0.90
Q4 24
$0.51
$0.32
Q3 24
$0.65
$0.08
Q2 24
$0.62
$0.31
Q1 24
$0.48
$-0.09

Balance Sheet & Financial Strength

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

Metric
BFST
BFST
CSTL
CSTL
Cash + ST InvestmentsLiquidity on hand
$411.2M
$299.5M
Total DebtLower is stronger
$10.1M
Stockholders' EquityBook value
$896.9M
$470.9M
Total Assets
$8.2B
$578.6M
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BFST
BFST
CSTL
CSTL
Q4 25
$411.2M
$299.5M
Q3 25
$399.1M
$287.5M
Q2 25
$495.8M
$275.9M
Q1 25
$312.9M
$275.2M
Q4 24
$319.1M
$293.1M
Q3 24
$213.2M
$95.0M
Q2 24
$208.1M
$85.6M
Q1 24
$185.9M
$82.9M
Total Debt
BFST
BFST
CSTL
CSTL
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
BFST
BFST
CSTL
CSTL
Q4 25
$896.9M
$470.9M
Q3 25
$878.4M
$467.0M
Q2 25
$848.4M
$455.4M
Q1 25
$826.3M
$440.3M
Q4 24
$799.5M
$455.8M
Q3 24
$699.5M
$441.1M
Q2 24
$664.5M
$423.9M
Q1 24
$649.0M
$402.5M
Total Assets
BFST
BFST
CSTL
CSTL
Q4 25
$8.2B
$578.6M
Q3 25
$8.0B
$562.8M
Q2 25
$7.9B
$544.7M
Q1 25
$7.8B
$501.7M
Q4 24
$7.9B
$531.2M
Q3 24
$6.9B
$514.6M
Q2 24
$6.7B
$487.3M
Q1 24
$6.7B
$458.5M
Debt / Equity
BFST
BFST
CSTL
CSTL
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
BFST
BFST
CSTL
CSTL
Operating Cash FlowLast quarter
$92.1M
$26.9M
Free Cash FlowOCF − Capex
$92.0M
$19.7M
FCF MarginFCF / Revenue
110.7%
22.7%
Capex IntensityCapex / Revenue
0.1%
8.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$165.6M
$28.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BFST
BFST
CSTL
CSTL
Q4 25
$92.1M
$26.9M
Q3 25
$32.4M
$22.6M
Q2 25
$14.0M
$20.8M
Q1 25
$28.7M
$-6.0M
Q4 24
$61.4M
$24.4M
Q3 24
$21.4M
$23.3M
Q2 24
$15.1M
$24.0M
Q1 24
$7.6M
$-6.8M
Free Cash Flow
BFST
BFST
CSTL
CSTL
Q4 25
$92.0M
$19.7M
Q3 25
$32.1M
$7.8M
Q2 25
$13.8M
$11.6M
Q1 25
$27.7M
$-10.8M
Q4 24
$59.8M
$16.8M
Q3 24
$21.0M
$17.0M
Q2 24
$14.0M
$18.8M
Q1 24
$7.2M
$-16.0M
FCF Margin
BFST
BFST
CSTL
CSTL
Q4 25
110.7%
22.7%
Q3 25
39.6%
9.4%
Q2 25
16.9%
13.4%
Q1 25
34.9%
-12.2%
Q4 24
77.1%
19.5%
Q3 24
31.4%
19.8%
Q2 24
21.2%
21.6%
Q1 24
11.8%
-21.9%
Capex Intensity
BFST
BFST
CSTL
CSTL
Q4 25
0.1%
8.3%
Q3 25
0.4%
17.9%
Q2 25
0.3%
10.7%
Q1 25
1.3%
5.4%
Q4 24
2.0%
8.8%
Q3 24
0.6%
7.4%
Q2 24
1.6%
6.0%
Q1 24
0.6%
12.5%
Cash Conversion
BFST
BFST
CSTL
CSTL
Q4 25
Q3 25
1.42×
Q2 25
0.63×
4.60×
Q1 25
1.40×
Q4 24
Q3 24
1.20×
10.29×
Q2 24
0.88×
2.69×
Q1 24
0.56×

Financial Flow Comparison

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

Revenue Breakdown by Segment

BFST
BFST

Segment breakdown not available.

CSTL
CSTL

Dermatologic$48.6M56%
Non Dermatologic$38.4M44%

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