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Side-by-side financial comparison of CASTLE BIOSCIENCES INC (CSTL) and SUPERIOR GROUP OF COMPANIES, INC. (SGC). Click either name above to swap in a different company.

SUPERIOR GROUP OF COMPANIES, INC. is the larger business by last-quarter revenue ($146.6M vs $87.0M, roughly 1.7× CASTLE BIOSCIENCES INC). On growth, CASTLE BIOSCIENCES INC posted the faster year-over-year revenue change (0.8% vs 0.8%). CASTLE BIOSCIENCES INC produced more free cash flow last quarter ($19.7M vs $17.9M). Over the past eight quarters, CASTLE BIOSCIENCES INC's revenue compounded faster (9.2% CAGR vs 2.7%).

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.

Superior Coach was a coachbuilder in the American automotive industry. Founded in 1909 as the Garford Motor Truck Company, Superior is best known for constructing bodies for professional cars (hearses) and school buses. Following major downturns in both segments in the late 1970s, Superior was liquidated by its parent company in 1980. From 1925 to 1980, the company was based in Lima, Ohio.

CSTL vs SGC — Head-to-Head

Bigger by revenue
SGC
SGC
1.7× larger
SGC
$146.6M
$87.0M
CSTL
Growing faster (revenue YoY)
CSTL
CSTL
+0.0% gap
CSTL
0.8%
0.8%
SGC
More free cash flow
CSTL
CSTL
$1.8M more FCF
CSTL
$19.7M
$17.9M
SGC
Faster 2-yr revenue CAGR
CSTL
CSTL
Annualised
CSTL
9.2%
2.7%
SGC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CSTL
CSTL
SGC
SGC
Revenue
$87.0M
$146.6M
Net Profit
$3.5M
Gross Margin
79.0%
36.9%
Operating Margin
-4.4%
2.8%
Net Margin
2.4%
Revenue YoY
0.8%
0.8%
Net Profit YoY
65.8%
EPS (diluted)
$-0.06
$0.23

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
SGC
SGC
Q4 25
$87.0M
$146.6M
Q3 25
$83.0M
$138.5M
Q2 25
$86.2M
$144.0M
Q1 25
$88.0M
$137.1M
Q4 24
$86.3M
$145.4M
Q3 24
$85.8M
$149.7M
Q2 24
$87.0M
$131.7M
Q1 24
$73.0M
$138.8M
Net Profit
CSTL
CSTL
SGC
SGC
Q4 25
$3.5M
Q3 25
$-501.0K
$2.7M
Q2 25
$4.5M
$1.6M
Q1 25
$-25.8M
$-758.0K
Q4 24
$2.1M
Q3 24
$2.3M
$5.4M
Q2 24
$8.9M
$600.0K
Q1 24
$-2.5M
$3.9M
Gross Margin
CSTL
CSTL
SGC
SGC
Q4 25
79.0%
36.9%
Q3 25
77.5%
38.3%
Q2 25
79.5%
38.4%
Q1 25
81.4%
36.8%
Q4 24
81.3%
37.1%
Q3 24
81.8%
40.4%
Q2 24
83.3%
38.5%
Q1 24
81.0%
39.8%
Operating Margin
CSTL
CSTL
SGC
SGC
Q4 25
-4.4%
2.8%
Q3 25
-8.2%
2.3%
Q2 25
-4.9%
1.3%
Q1 25
-31.7%
-0.7%
Q4 24
4.7%
1.7%
Q3 24
5.9%
4.4%
Q2 24
5.8%
0.5%
Q1 24
-7.5%
3.3%
Net Margin
CSTL
CSTL
SGC
SGC
Q4 25
2.4%
Q3 25
-0.6%
2.0%
Q2 25
5.2%
1.1%
Q1 25
-29.4%
-0.6%
Q4 24
1.4%
Q3 24
2.6%
3.6%
Q2 24
10.3%
0.5%
Q1 24
-3.5%
2.8%
EPS (diluted)
CSTL
CSTL
SGC
SGC
Q4 25
$-0.06
$0.23
Q3 25
$-0.02
$0.18
Q2 25
$0.15
$0.10
Q1 25
$-0.90
$-0.05
Q4 24
$0.32
$0.12
Q3 24
$0.08
$0.33
Q2 24
$0.31
$0.04
Q1 24
$-0.09
$0.24

Balance Sheet & Financial Strength

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

Metric
CSTL
CSTL
SGC
SGC
Cash + ST InvestmentsLiquidity on hand
$299.5M
$23.7M
Total DebtLower is stronger
$10.1M
$94.1M
Stockholders' EquityBook value
$470.9M
$192.8M
Total Assets
$578.6M
$421.8M
Debt / EquityLower = less leverage
0.02×
0.49×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTL
CSTL
SGC
SGC
Q4 25
$299.5M
$23.7M
Q3 25
$287.5M
$16.7M
Q2 25
$275.9M
$21.0M
Q1 25
$275.2M
$19.8M
Q4 24
$293.1M
$18.8M
Q3 24
$95.0M
$18.4M
Q2 24
$85.6M
$13.4M
Q1 24
$82.9M
$22.0M
Total Debt
CSTL
CSTL
SGC
SGC
Q4 25
$10.1M
$94.1M
Q3 25
$10.0M
$100.0M
Q2 25
$10.0M
$99.3M
Q1 25
$10.0M
$95.7M
Q4 24
$10.0M
$86.0M
Q3 24
$10.0M
Q2 24
$10.0M
Q1 24
$10.0M
Stockholders' Equity
CSTL
CSTL
SGC
SGC
Q4 25
$470.9M
$192.8M
Q3 25
$467.0M
$193.8M
Q2 25
$455.4M
$192.1M
Q1 25
$440.3M
$194.4M
Q4 24
$455.8M
$198.9M
Q3 24
$441.1M
$199.5M
Q2 24
$423.9M
$200.9M
Q1 24
$402.5M
$200.8M
Total Assets
CSTL
CSTL
SGC
SGC
Q4 25
$578.6M
$421.8M
Q3 25
$562.8M
$415.3M
Q2 25
$544.7M
$423.3M
Q1 25
$501.7M
$411.0M
Q4 24
$531.2M
$415.1M
Q3 24
$514.6M
$407.4M
Q2 24
$487.3M
$400.3M
Q1 24
$458.5M
$408.5M
Debt / Equity
CSTL
CSTL
SGC
SGC
Q4 25
0.02×
0.49×
Q3 25
0.02×
0.52×
Q2 25
0.02×
0.52×
Q1 25
0.02×
0.49×
Q4 24
0.02×
0.43×
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
SGC
SGC
Operating Cash FlowLast quarter
$26.9M
$18.4M
Free Cash FlowOCF − Capex
$19.7M
$17.9M
FCF MarginFCF / Revenue
22.7%
12.2%
Capex IntensityCapex / Revenue
8.3%
0.4%
Cash ConversionOCF / Net Profit
5.32×
TTM Free Cash FlowTrailing 4 quarters
$28.3M
$15.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSTL
CSTL
SGC
SGC
Q4 25
$26.9M
$18.4M
Q3 25
$22.6M
$-1.7M
Q2 25
$20.8M
$4.9M
Q1 25
$-6.0M
$-2.0M
Q4 24
$24.4M
$8.9M
Q3 24
$23.3M
$8.2M
Q2 24
$24.0M
$6.9M
Q1 24
$-6.8M
$9.4M
Free Cash Flow
CSTL
CSTL
SGC
SGC
Q4 25
$19.7M
$17.9M
Q3 25
$7.8M
$-2.4M
Q2 25
$11.6M
$3.3M
Q1 25
$-10.8M
$-3.1M
Q4 24
$16.8M
$7.4M
Q3 24
$17.0M
$7.3M
Q2 24
$18.8M
$5.6M
Q1 24
$-16.0M
$8.8M
FCF Margin
CSTL
CSTL
SGC
SGC
Q4 25
22.7%
12.2%
Q3 25
9.4%
-1.7%
Q2 25
13.4%
2.3%
Q1 25
-12.2%
-2.3%
Q4 24
19.5%
5.1%
Q3 24
19.8%
4.9%
Q2 24
21.6%
4.2%
Q1 24
-21.9%
6.3%
Capex Intensity
CSTL
CSTL
SGC
SGC
Q4 25
8.3%
0.4%
Q3 25
17.9%
0.5%
Q2 25
10.7%
1.1%
Q1 25
5.4%
0.8%
Q4 24
8.8%
1.0%
Q3 24
7.4%
0.6%
Q2 24
6.0%
1.0%
Q1 24
12.5%
0.5%
Cash Conversion
CSTL
CSTL
SGC
SGC
Q4 25
5.32×
Q3 25
-0.61×
Q2 25
4.60×
3.18×
Q1 25
Q4 24
4.28×
Q3 24
10.29×
1.52×
Q2 24
2.69×
11.42×
Q1 24
2.41×

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%

SGC
SGC

Branded Products$96.9M66%
Healthcare Apparel$28.8M20%
Contact Centers$21.7M15%

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