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Side-by-side financial comparison of Concrete Pumping Holdings, Inc. (BBCP) and CASTLE BIOSCIENCES INC (CSTL). Click either name above to swap in a different company.

Concrete Pumping Holdings, Inc. is the larger business by last-quarter revenue ($98.9M vs $87.0M, roughly 1.1× CASTLE BIOSCIENCES INC). On growth, CASTLE BIOSCIENCES INC posted the faster year-over-year revenue change (0.8% vs -3.2%). CASTLE BIOSCIENCES INC produced more free cash flow last quarter ($19.7M vs $1.9M). Over the past eight quarters, CASTLE BIOSCIENCES INC's revenue compounded faster (9.2% CAGR vs 4.8%).

Concrete Pumping Holdings, Inc. is a leading provider of concrete pumping services and equipment rental solutions across the U.S. and U.K. It serves core construction segments including infrastructure, commercial real estate development, and residential building, supporting efficient, safe concrete placement for projects of all sizes.

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.

BBCP vs CSTL — Head-to-Head

Bigger by revenue
BBCP
BBCP
1.1× larger
BBCP
$98.9M
$87.0M
CSTL
Growing faster (revenue YoY)
CSTL
CSTL
+4.0% gap
CSTL
0.8%
-3.2%
BBCP
More free cash flow
CSTL
CSTL
$17.8M more FCF
CSTL
$19.7M
$1.9M
BBCP
Faster 2-yr revenue CAGR
CSTL
CSTL
Annualised
CSTL
9.2%
4.8%
BBCP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BBCP
BBCP
CSTL
CSTL
Revenue
$98.9M
$87.0M
Net Profit
$5.3M
Gross Margin
43.8%
79.0%
Operating Margin
17.0%
-4.4%
Net Margin
5.4%
Revenue YoY
-3.2%
0.8%
Net Profit YoY
-43.6%
EPS (diluted)
$0.09
$-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
BBCP
BBCP
CSTL
CSTL
Q4 25
$98.9M
$87.0M
Q3 25
$94.2M
$83.0M
Q2 25
$85.2M
$86.2M
Q1 25
$78.0M
$88.0M
Q4 24
$102.1M
$86.3M
Q3 24
$100.6M
$85.8M
Q2 24
$98.7M
$87.0M
Q1 24
$90.0M
$73.0M
Net Profit
BBCP
BBCP
CSTL
CSTL
Q4 25
$5.3M
Q3 25
$3.7M
$-501.0K
Q2 25
$-4.0K
$4.5M
Q1 25
$-2.6M
$-25.8M
Q4 24
$9.4M
Q3 24
$7.6M
$2.3M
Q2 24
$3.0M
$8.9M
Q1 24
$-3.8M
$-2.5M
Gross Margin
BBCP
BBCP
CSTL
CSTL
Q4 25
43.8%
79.0%
Q3 25
42.9%
77.5%
Q2 25
42.5%
79.5%
Q1 25
40.0%
81.4%
Q4 24
45.3%
81.3%
Q3 24
44.3%
81.8%
Q2 24
42.3%
83.3%
Q1 24
37.0%
81.0%
Operating Margin
BBCP
BBCP
CSTL
CSTL
Q4 25
17.0%
-4.4%
Q3 25
13.7%
-8.2%
Q2 25
9.7%
-4.9%
Q1 25
4.5%
-31.7%
Q4 24
18.8%
4.7%
Q3 24
16.5%
5.9%
Q2 24
12.2%
5.8%
Q1 24
1.6%
-7.5%
Net Margin
BBCP
BBCP
CSTL
CSTL
Q4 25
5.4%
Q3 25
3.9%
-0.6%
Q2 25
-0.0%
5.2%
Q1 25
-3.4%
-29.4%
Q4 24
9.2%
Q3 24
7.5%
2.6%
Q2 24
3.1%
10.3%
Q1 24
-4.3%
-3.5%
EPS (diluted)
BBCP
BBCP
CSTL
CSTL
Q4 25
$0.09
$-0.06
Q3 25
$0.07
$-0.02
Q2 25
$-0.01
$0.15
Q1 25
$-0.06
$-0.90
Q4 24
$0.16
$0.32
Q3 24
$0.13
$0.08
Q2 24
$0.05
$0.31
Q1 24
$-0.08
$-0.09

Balance Sheet & Financial Strength

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

Metric
BBCP
BBCP
CSTL
CSTL
Cash + ST InvestmentsLiquidity on hand
$44.4M
$299.5M
Total DebtLower is stronger
$417.9M
$10.1M
Stockholders' EquityBook value
$264.8M
$470.9M
Total Assets
$879.5M
$578.6M
Debt / EquityLower = less leverage
1.58×
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BBCP
BBCP
CSTL
CSTL
Q4 25
$44.4M
$299.5M
Q3 25
$41.0M
$287.5M
Q2 25
$37.8M
$275.9M
Q1 25
$85.1M
$275.2M
Q4 24
$43.0M
$293.1M
Q3 24
$26.3M
$95.0M
Q2 24
$18.0M
$85.6M
Q1 24
$14.7M
$82.9M
Total Debt
BBCP
BBCP
CSTL
CSTL
Q4 25
$417.9M
$10.1M
Q3 25
$417.6M
$10.0M
Q2 25
$417.3M
$10.0M
Q1 25
$417.1M
$10.0M
Q4 24
$373.3M
$10.0M
Q3 24
$372.9M
$10.0M
Q2 24
$372.6M
$10.0M
Q1 24
$372.2M
$10.0M
Stockholders' Equity
BBCP
BBCP
CSTL
CSTL
Q4 25
$264.8M
$470.9M
Q3 25
$261.3M
$467.0M
Q2 25
$261.8M
$455.4M
Q1 25
$260.7M
$440.3M
Q4 24
$321.7M
$455.8M
Q3 24
$314.7M
$441.1M
Q2 24
$308.3M
$423.9M
Q1 24
$307.9M
$402.5M
Total Assets
BBCP
BBCP
CSTL
CSTL
Q4 25
$879.5M
$578.6M
Q3 25
$886.0M
$562.8M
Q2 25
$878.8M
$544.7M
Q1 25
$912.9M
$501.7M
Q4 24
$898.0M
$531.2M
Q3 24
$890.8M
$514.6M
Q2 24
$894.7M
$487.3M
Q1 24
$894.8M
$458.5M
Debt / Equity
BBCP
BBCP
CSTL
CSTL
Q4 25
1.58×
0.02×
Q3 25
1.60×
0.02×
Q2 25
1.59×
0.02×
Q1 25
1.60×
0.02×
Q4 24
1.16×
0.02×
Q3 24
1.19×
0.02×
Q2 24
1.21×
0.02×
Q1 24
1.21×
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
BBCP
BBCP
CSTL
CSTL
Operating Cash FlowLast quarter
$14.5M
$26.9M
Free Cash FlowOCF − Capex
$1.9M
$19.7M
FCF MarginFCF / Revenue
1.9%
22.7%
Capex IntensityCapex / Revenue
12.7%
8.3%
Cash ConversionOCF / Net Profit
2.72×
TTM Free Cash FlowTrailing 4 quarters
$17.5M
$28.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BBCP
BBCP
CSTL
CSTL
Q4 25
$14.5M
$26.9M
Q3 25
$19.1M
$22.6M
Q2 25
$24.7M
$20.8M
Q1 25
$6.0M
$-6.0M
Q4 24
$22.4M
$24.4M
Q3 24
$35.0M
$23.3M
Q2 24
$9.1M
$24.0M
Q1 24
$20.3M
$-6.8M
Free Cash Flow
BBCP
BBCP
CSTL
CSTL
Q4 25
$1.9M
$19.7M
Q3 25
$4.3M
$7.8M
Q2 25
$11.1M
$11.6M
Q1 25
$191.0K
$-10.8M
Q4 24
$16.1M
$16.8M
Q3 24
$26.4M
$17.0M
Q2 24
$-1.9M
$18.8M
Q1 24
$2.5M
$-16.0M
FCF Margin
BBCP
BBCP
CSTL
CSTL
Q4 25
1.9%
22.7%
Q3 25
4.6%
9.4%
Q2 25
13.0%
13.4%
Q1 25
0.2%
-12.2%
Q4 24
15.8%
19.5%
Q3 24
26.2%
19.8%
Q2 24
-1.9%
21.6%
Q1 24
2.8%
-21.9%
Capex Intensity
BBCP
BBCP
CSTL
CSTL
Q4 25
12.7%
8.3%
Q3 25
15.7%
17.9%
Q2 25
16.0%
10.7%
Q1 25
7.5%
5.4%
Q4 24
6.2%
8.8%
Q3 24
8.6%
7.4%
Q2 24
11.2%
6.0%
Q1 24
19.7%
12.5%
Cash Conversion
BBCP
BBCP
CSTL
CSTL
Q4 25
2.72×
Q3 25
5.16×
Q2 25
4.60×
Q1 25
Q4 24
2.38×
Q3 24
4.63×
10.29×
Q2 24
3.00×
2.69×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

BBCP
BBCP

US Concrete Pumping$72.2M73%
US Concrete Waste Management Services$21.3M22%
Other$5.4M5%

CSTL
CSTL

Dermatologic$48.6M56%
Non Dermatologic$38.4M44%

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