What is Castle Biosciences's interest income?

Castle Biosciences (CSTL) reported interest income of $2.55M in Q1 2026.

How has Castle Biosciences's interest income changed year-over-year?

Castle Biosciences's interest income decreased by 17.9% year-over-year, from $3.1M to $2.55M.

What is the long-term trend for Castle Biosciences's interest income?

Over 4 years (2021 to 2025), Castle Biosciences's interest income has grown at a 262.7% compound annual growth rate (CAGR), from $68K to $11.77M.

What does interest income mean?

Income earned from interest-bearing assets including cash deposits, money market funds, treasury securities, corporate bonds, and customer financing receivables.

Castle Biosciences CSTL Interest Income

Interest Income at other companies

Labcorp HoldingsLH

$12.2M+87.7%

Personalis, Inc.PSNL

$2.17M+7.2%

NeoGenomicsNEO

$1.27M-65.8%

Fulgent Genetics, Inc.FLGT

$8.65M+7.9%

Cogent Biosciences, Inc.COGT

$7.61M+158%

Adaptive BiotechnologiesADPT

$2.08M-22.4%

Segments

By segment

See full

Reportable Segment$2.55M-17.9%

Other financials

Income statement

See full

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

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:InvestmentIncomeInterest.

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 interest income?: Castle Biosciences (CSTL) reported interest income of $2.55M in Q1 2026.
How has Castle Biosciences's interest income changed year-over-year?: Castle Biosciences's interest income decreased by 17.9% year-over-year, from $3.1M to $2.55M.
What is the long-term trend for Castle Biosciences's interest income?: Over 4 years (2021 to 2025), Castle Biosciences's interest income has grown at a 262.7% compound annual growth rate (CAGR), from $68K to $11.77M.
What does interest income mean?: Income earned from interest-bearing assets including cash deposits, money market funds, treasury securities, corporate bonds, and customer financing receivables.