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Castle Biosciences CSTL Invested capital

Discontinued — last reported Q1 '26

Invested capital at other companies

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18.8%+0.1pp
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12.2%+0.5pp
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14.7%-6.0pp
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6.2%-0.9pp
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3.4%+1.8pp
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-0.3%-0.1pp

Other financials

Income statement

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Revenue$83.7M-4.9%
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

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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

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Operating cash flow-$22.1M-267%
CapEx$12.5M+163%
Free cash flow-$34.6M-221%

Valuation

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Market cap$694.86M+29.9%
Enterprise value$667.82M+41.8%
P/S2×+0.5×

Profitability

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Gross margin77.9%-4.1pp
Operating margin-9.8%-30.8pp
Net margin-3.8%-10.2pp
FCF margin1.3%-10.7pp

Returns & leverage

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Return on equity-2.8%-10.6pp
Debt / equity0.1×0.0×
Current ratio6.7×-2.6×

Where this comes from

Calculated from Castle Biosciences’s reported figures.

$36.7Mtotal debt+$461.4Mtotal stockholders equity−$63.8Mcash and equivalents=$434.38M

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 invested capital?
Castle Biosciences (CSTL) reported invested capital of $434.38M in Q1 2026.
How has Castle Biosciences's invested capital changed year-over-year?
Castle Biosciences's invested capital increased by 15.4% year-over-year, from $376.46M to $434.38M.
What is the long-term trend for Castle Biosciences's invested capital?
Over 4 years (2021 to 2025), Castle Biosciences's invested capital has grown at a 44.2% compound annual growth rate (CAGR), from $90.42M to $391.16M.
What does invested capital mean?
Total debt plus shareholders' equity minus cash, at the quarter end. The capital actually put to work in the operating business — the denominator of return on invested capital (ROIC).