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

Waldencast plc is the larger business by last-quarter revenue ($108.8M vs $87.0M, roughly 1.3× CASTLE BIOSCIENCES INC). On growth, Waldencast plc posted the faster year-over-year revenue change (17.8% vs 0.8%). CASTLE BIOSCIENCES INC produced more free cash flow last quarter ($19.7M vs $-13.9M).

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.

Waldencast plc is a global multi-brand platform focused on acquiring, developing and scaling high-growth premium niche brands across the beauty, personal care and wellness sectors. It operates primarily across North America and European markets, with core offerings including clean skincare, haircare, color cosmetics and wellness products targeted at quality-focused consumers.

CSTL vs WALD — Head-to-Head

Bigger by revenue
WALD
WALD
1.3× larger
WALD
$108.8M
$87.0M
CSTL
Growing faster (revenue YoY)
WALD
WALD
+17.0% gap
WALD
17.8%
0.8%
CSTL
More free cash flow
CSTL
CSTL
$33.6M more FCF
CSTL
$19.7M
$-13.9M
WALD

Income Statement — Q4 FY2025 vs Q4 FY2023

Metric
CSTL
CSTL
WALD
WALD
Revenue
$87.0M
$108.8M
Net Profit
$-60.6M
Gross Margin
79.0%
67.5%
Operating Margin
-4.4%
-42.9%
Net Margin
-55.7%
Revenue YoY
0.8%
17.8%
Net Profit YoY
EPS (diluted)
$-0.06
$-0.65

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
WALD
WALD
Q4 25
$87.0M
Q3 25
$83.0M
Q2 25
$86.2M
Q1 25
$88.0M
Q4 24
$86.3M
Q3 24
$85.8M
Q2 24
$87.0M
Q1 24
$73.0M
Net Profit
CSTL
CSTL
WALD
WALD
Q4 25
Q3 25
$-501.0K
Q2 25
$4.5M
Q1 25
$-25.8M
Q4 24
Q3 24
$2.3M
Q2 24
$8.9M
Q1 24
$-2.5M
Gross Margin
CSTL
CSTL
WALD
WALD
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
WALD
WALD
Q4 25
-4.4%
Q3 25
-8.2%
Q2 25
-4.9%
Q1 25
-31.7%
Q4 24
4.7%
Q3 24
5.9%
Q2 24
5.8%
Q1 24
-7.5%
Net Margin
CSTL
CSTL
WALD
WALD
Q4 25
Q3 25
-0.6%
Q2 25
5.2%
Q1 25
-29.4%
Q4 24
Q3 24
2.6%
Q2 24
10.3%
Q1 24
-3.5%
EPS (diluted)
CSTL
CSTL
WALD
WALD
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
WALD
WALD
Cash + ST InvestmentsLiquidity on hand
$299.5M
$21.1M
Total DebtLower is stronger
$10.1M
Stockholders' EquityBook value
$470.9M
$624.6M
Total Assets
$578.6M
$1.0B
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSTL
CSTL
WALD
WALD
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
Q1 24
$82.9M
Total Debt
CSTL
CSTL
WALD
WALD
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
WALD
WALD
Q4 25
$470.9M
Q3 25
$467.0M
Q2 25
$455.4M
Q1 25
$440.3M
Q4 24
$455.8M
Q3 24
$441.1M
Q2 24
$423.9M
Q1 24
$402.5M
Total Assets
CSTL
CSTL
WALD
WALD
Q4 25
$578.6M
Q3 25
$562.8M
Q2 25
$544.7M
Q1 25
$501.7M
Q4 24
$531.2M
Q3 24
$514.6M
Q2 24
$487.3M
Q1 24
$458.5M
Debt / Equity
CSTL
CSTL
WALD
WALD
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
WALD
WALD
Operating Cash FlowLast quarter
$26.9M
$-13.4M
Free Cash FlowOCF − Capex
$19.7M
$-13.9M
FCF MarginFCF / Revenue
22.7%
-12.7%
Capex IntensityCapex / Revenue
8.3%
0.4%
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
WALD
WALD
Q4 25
$26.9M
Q3 25
$22.6M
Q2 25
$20.8M
Q1 25
$-6.0M
Q4 24
$24.4M
Q3 24
$23.3M
Q2 24
$24.0M
Q1 24
$-6.8M
Free Cash Flow
CSTL
CSTL
WALD
WALD
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
Q1 24
$-16.0M
FCF Margin
CSTL
CSTL
WALD
WALD
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%
Q1 24
-21.9%
Capex Intensity
CSTL
CSTL
WALD
WALD
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%
Q1 24
12.5%
Cash Conversion
CSTL
CSTL
WALD
WALD
Q4 25
Q3 25
Q2 25
4.60×
Q1 25
Q4 24
Q3 24
10.29×
Q2 24
2.69×
Q1 24

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%

WALD
WALD

Segment breakdown not available.

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