What is the ticker symbol for Castle Biosciences, Inc.?

The ticker symbol for Castle Biosciences, Inc. is NASDAQ:CSTL

Does Castle Biosciences, Inc. pay dividends?

No, Castle Biosciences, Inc. does not pay dividends

What sector is Castle Biosciences, Inc. in?

Castle Biosciences, Inc. is in the Healthcare sector

What industry is Castle Biosciences, Inc. in?

Castle Biosciences, Inc. is in the Diagnostics & Research industry

What country is Castle Biosciences, Inc. based in?

Castle Biosciences, Inc. is headquartered in United States

When did Castle Biosciences, Inc. go public?

Castle Biosciences, Inc. initial public offering (IPO) was on July 25, 2019

Is Castle Biosciences, Inc. in the S&P 500?

No, Castle Biosciences, Inc. is not included in the S&P 500 index

Is Castle Biosciences, Inc. in the NASDAQ 100?

No, Castle Biosciences, Inc. is not included in the NASDAQ 100 index

Is Castle Biosciences, Inc. in the Dow Jones?

No, Castle Biosciences, Inc. is not included in the Dow Jones index

When was Castle Biosciences, Inc. last earnings report?

Castle Biosciences, Inc.'s most recent earnings report was on July 30, 2026

When does Castle Biosciences, Inc. report earnings?

The next expected earnings date for Castle Biosciences, Inc. is November 2, 2026

CSTL Stock Financials, Chart, Sentiment & Profile

Summary

Current Price: As of today, CSTL price is $32.33, up +0.03% on September 11, 2026
Current Price All-Time High: CSTL price is currently -69.98% below its historical high of $107.69 set on February 10, 2021
Market Cap: CSTL current market cap is $988M, up +49.80% over the past 365 days
Revenue: CSTL current annual revenue is $344.23M, up +3.66% year-over-year
Next Earnings: The next earnings release for CSTL is on November 2, 2026

Profile

Company profile for Castle Biosciences, Inc. (CSTL)
Metric	Value
Full Name	Castle Biosciences, Inc.
Ticker	NASDAQ: CSTL
Exchange	NASDAQ
Sector	Healthcare
Industry	Diagnostics & Research
Country	United States
IPO	Jul 25, 2019
Indexes	Not included
Website	castlebiosciences.com
Employees	784

Key Metrics

Castle Biosciences, Inc. Key Details
Metric	Value	Date
Price	$32.33	Sep 11, 26
Price, 1D Change	+0.03%	Sep 11, 26
	$988M	Sep 11, 26
	-	Sep 11, 26
	-	Sep 11, 26
	0.92	Sep 11, 26
	$344.23M	Dec 31, 25
Revenue, 1Y Change	+3.66%	Dec 31, 25
	-$0.83	Dec 31, 25
EPS, 1Y Change	-233.64%	Dec 31, 25

Events

Castle Biosciences, Inc. Events
Metric	Value	Date
Next Earnings		Nov 2, 26
Last Qtr. Earnings		Jul 30, 26
Last Ann. Earnings		Feb 26, 26
Last Ex-Dividend	N/A	N/A
Next Ex-Dividend	N/A	N/A
Last Split	N/A	N/A
Next Split	N/A	N/A
Last Ticker Change	N/A	N/A
Next Ticker Change	N/A	N/A

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Estimates

CSTL Estimates
Metric	Value	Date
	-$0.83	Dec 31, 25
EPS Estimate	-$1.27	N/A
EPS Est. Change	-52.65%	N/A
	$344.23M	Dec 31, 25
Revenue Estimate	$372.90M	N/A
Revenue Est. Change	+8.33%	N/A
Current Price	$32.33	Sep 11, 26
Price Target	$44.00	-
Price Tgt. Change	+36.10%	-

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EPS

CSTL EPS reported versus estimate values
Year	Estimate	Reported	Surprise / Exp.
2024	$0.40	$0.62	+56.45%
2025	-$0.84	-$0.83	+0.64%
2026	-$1.27	N/A	-52.65%
2027	-$0.99	N/A	-18.66%

Revenue

CSTL revenue reported versus estimate values chart
Year	Estimate	Reported	Surprise / Exp.
2024	$329.64M	$332.07M	+0.74%
2025	$336.62M	$344.23M	+2.26%
2026	$372.90M	N/A	+8.33%
2027	$409.43M	N/A	+18.94%

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Performance

CSTL Performance
Metric	Value	Date
Price, 1Y	+42.11%	Sep 11, 26
Price, 3Y	+72.33%	Sep 11, 26
	+49.80%	Sep 11, 26
	+96.56%	Sep 11, 26
	+3.66%	Dec 31, 25
	+151.19%	Dec 31, 25
	-233.64%	Dec 31, 25
	+67.66%	Dec 31, 25

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Technicals

CSTL Technical Indicators
Metric	Value	Date
Current Price	$32.33	Sep 11, 26
	$29.36	Sep 11, 26
	$28.96	Sep 11, 26
	$27.32	Sep 11, 26
	$29.72	Sep 11, 26
	$0.95	Sep 11, 26
	0.92	Sep 11, 26
	$1.51	Sep 11, 26
	54.57	Sep 11, 26
	19.22%	Sep 11, 26

Dividends

CSTL Dividends
Metric	Value	Date
	-	N/A
Upcoming	N/A	N/A
	-	Sep 11, 26
	-	Dec 31, 25
	$0.00	Dec 31, 25
	0.00%	Dec 31, 25

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Income & Profitability

CSTL Income & Profitability
Metric	Value	Date
	$344.23M	Dec 31, 25
	-$0.83	Dec 31, 25
	$0.00	Dec 31, 25
	68.66%	Dec 31, 25
	-$42.81M	Dec 31, 25
	-12.44%	Dec 31, 25
	-$24.16M	Dec 31, 25
	-7.02%	Dec 31, 25
	-$2.04M	Dec 31, 25

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Financial Health

CSTL Financial Health
Metric	Value	Date
	0.08	Dec 31, 25
	5.26	Dec 31, 25
	5.11	Dec 31, 25
	-	Dec 31, 25
	3	Jun 30, 26
	4.91	Sep 11, 26

Valuations

CSTL Valuations
Metric	Value	Date
	-	Sep 11, 26
	2.76	Sep 11, 26
	2.10	Sep 11, 26
	-45.87	Sep 11, 26
	-	N/A

Balance Sheet

CSTL Balance Sheet
Metric	Value	Date
	$470.87M	Dec 31, 25
	$299.51M	Dec 31, 25
	$609.21M	Dec 31, 25
	$361.10M	Dec 31, 25
	$138.34M	Dec 31, 25
	$68.68M	Dec 31, 25
	$37.02M	Dec 31, 25
	$1.84M	Dec 31, 25
	$18.71M	Dec 31, 25

Expenses

CSTL Expenses
Metric	Value	Date
	$368.39M	Dec 31, 25
	$279.16M	Dec 31, 25
	$107.88M	Dec 31, 25
	$229.32M	Dec 31, 25
	$40.77M	Dec 31, 25
	$0.00	Dec 31, 25
	-$5.36M	Dec 31, 25

Cash Flow

CSTL Cash Flow
Metric	Value	Date
	$64.35M	Dec 31, 25
	-$60.37M	Dec 31, 25
	-$6.96M	Dec 31, 25
	$36.02M	Dec 31, 25
	$28.33M	Dec 31, 25

Recent analyst updates

CSTL Recent analyst updates
Metric	Value	Date
BTIG	→	Aug 3, 26
Roth Capital		Jun 25, 26
BTIG	→	May 13, 26
Baird	→	May 7, 26
Canaccord Genuity	→	Apr 20, 26
Baird	→	Feb 27, 26
Guggenheim	→	Jan 26, 26
Lake Street	→	Jan 12, 26
Guggenheim	→	Jan 5, 26
Canaccord Genuity	→	Dec 22, 25

Analyst sentiment

Institutional ownership

No data

Screeners with CSTL

FAQ

What is the ticker symbol for Castle Biosciences, Inc.?: The ticker symbol for Castle Biosciences, Inc. is NASDAQ:CSTL
Does Castle Biosciences, Inc. pay dividends?: No, Castle Biosciences, Inc. does not pay dividends
What sector is Castle Biosciences, Inc. in?: Castle Biosciences, Inc. is in the Healthcare sector
What industry is Castle Biosciences, Inc. in?: Castle Biosciences, Inc. is in the Diagnostics & Research industry
What country is Castle Biosciences, Inc. based in?: Castle Biosciences, Inc. is headquartered in United States
When did Castle Biosciences, Inc. go public?: Castle Biosciences, Inc. initial public offering (IPO) was on July 25, 2019
Is Castle Biosciences, Inc. in the S&P 500?: No, Castle Biosciences, Inc. is not included in the S&P 500 index
Is Castle Biosciences, Inc. in the NASDAQ 100?: No, Castle Biosciences, Inc. is not included in the NASDAQ 100 index
Is Castle Biosciences, Inc. in the Dow Jones?: No, Castle Biosciences, Inc. is not included in the Dow Jones index
When was Castle Biosciences, Inc. last earnings report?: Castle Biosciences, Inc.'s most recent earnings report was on July 30, 2026
When does Castle Biosciences, Inc. report earnings?: The next expected earnings date for Castle Biosciences, Inc. is November 2, 2026

Data Sources & References

CSTL Official Website castlebiosciences.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1447362/000162828026012272/0001628280-26-012272-index.htm
CSTL Profile on Yahoo Finance finance.yahoo.com/quote/CSTL
CSTL Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/cstl