What is Castle Biosciences's total revenue?

Castle Biosciences (CSTL) reported total revenue of $83.68M in Q1 2026.

How has Castle Biosciences's total revenue changed year-over-year?

Castle Biosciences's total revenue decreased by 4.9% year-over-year, from $87.99M to $83.68M.

What is the long-term trend for Castle Biosciences's total revenue?

Over 4 years (2021 to 2025), Castle Biosciences's total revenue has grown at a 38.3% compound annual growth rate (CAGR), from $94.09M to $344.23M.

What does total revenue mean?

The aggregate of all revenue from the company's operations — the top line from which all profitability metrics are derived.

Castle Biosciences CSTL Total Revenue

Total Revenue at other companies

Labcorp HoldingsLH

$3.54B+5.8%

VeracyteVCYT

$139.07M+21.5%

Personalis, Inc.PSNL

$15.47M-24.9%

NeoGenomicsNEO

$186.67M+11.1%

Fulgent Genetics, Inc.FLGT

$71.14M-3.2%

GeneDx HoldingsWGS

$102.25M+17.4%

Segments

By product

See full

Non-Dermatologic$42.57M+70.1%

Dermatologic$41.11M-34.7%

By segment

See full

Reportable Segment$83.68M-4.9%

Other financials

Income statement

See full

Gross profit$63.1M-11.8%

Operating income-$18.4M+34.1%

Net income-$14.5M+43.8%

EPS (diluted)-$0.49+45.6%

Balance sheet

See full

Cash & equivalents$63.8M-28.9%

Total debt$36.7M+42.1%

Total equity$461.4M+4.8%

Total assets$547.8M+9.2%

Cash flow

See full

Operating cash flow-$22.1M-267%

CapEx$12.5M+163%

Free cash flow-$34.6M-221%

Valuation

See full

Market cap$694.86M+29.9%

Enterprise value$667.82M+41.8%

P/S2×+0.5×

Profitability

See full

Gross margin77.9%-4.1pp

Operating margin-9.8%-30.8pp

Net margin-3.8%-10.2pp

FCF margin1.3%-10.7pp

Returns & leverage

See full

Return on equity-2.8%-10.6pp

Debt / equity0.1×0.0×

Current ratio6.7×-2.6×

Where this comes from

Reported directly by Castle Biosciences in its filing.

Tagged under the XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.

The official record: Castle Biosciences’s 10-Q, filed May 6, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Castle Biosciences's total revenue?: Castle Biosciences (CSTL) reported total revenue of $83.68M in Q1 2026.
How has Castle Biosciences's total revenue changed year-over-year?: Castle Biosciences's total revenue decreased by 4.9% year-over-year, from $87.99M to $83.68M.
What is the long-term trend for Castle Biosciences's total revenue?: Over 4 years (2021 to 2025), Castle Biosciences's total revenue has grown at a 38.3% compound annual growth rate (CAGR), from $94.09M to $344.23M.
What does total revenue mean?: The aggregate of all revenue from the company's operations — the top line from which all profitability metrics are derived.