Castle Biosciences, Inc.

NasdaqGM:CSTL Stock Report

Market Cap: US$464.3m

Castle Biosciences Future Growth

Future criteria checks 0/6

Castle Biosciences's earnings are forecast to decline at 13.7% per annum while its annual revenue is expected to grow at 1.8% per year. EPS is expected to decline by 14.8% per annum.

Key information

-13.7%

Earnings growth rate

-14.79%

EPS growth rate

Healthcare earnings growth13.3%
Revenue growth rate1.8%
Future return on equityn/a
Analyst coverage

Good

Last updated29 Jul 2025

Recent future growth updates

Castle Biosciences, Inc. Beat Analyst Profit Forecasts, And Analysts Have New Estimates

Aug 08
Castle Biosciences, Inc. Beat Analyst Profit Forecasts, And Analysts Have New Estimates

Recent updates

Is Castle Biosciences (NASDAQ:CSTL) Using Too Much Debt?

Jun 28
Is Castle Biosciences (NASDAQ:CSTL) Using Too Much Debt?

Some Confidence Is Lacking In Castle Biosciences, Inc. (NASDAQ:CSTL) As Shares Slide 28%

May 23
Some Confidence Is Lacking In Castle Biosciences, Inc. (NASDAQ:CSTL) As Shares Slide 28%

When Should You Buy Castle Biosciences, Inc. (NASDAQ:CSTL)?

Apr 16
When Should You Buy Castle Biosciences, Inc. (NASDAQ:CSTL)?

Castle Biosciences: Steady Revenue Stream, But Medicare Reimbursement Loss A Concern

Apr 14

Pinning Down Castle Biosciences, Inc.'s (NASDAQ:CSTL) P/S Is Difficult Right Now

Feb 25
Pinning Down Castle Biosciences, Inc.'s (NASDAQ:CSTL) P/S Is Difficult Right Now
author-image

Positive Clinical Adoption Of DecisionDx Tests Will Strengthen Future Market Position

Strong revenue growth driven by increased adoption of DecisionDx tests and promising market expansion suggests potential for significant future earnings.

Castle Biosciences (NASDAQ:CSTL) May Not Be Profitable But It Seems To Be Managing Its Debt Just Fine, Anyway

Dec 12
Castle Biosciences (NASDAQ:CSTL) May Not Be Profitable But It Seems To Be Managing Its Debt Just Fine, Anyway

Are Investors Undervaluing Castle Biosciences, Inc. (NASDAQ:CSTL) By 49%?

Oct 15
Are Investors Undervaluing Castle Biosciences, Inc. (NASDAQ:CSTL) By 49%?

Castle Biosciences: Inflection Into Profitability

Aug 16

Upgrade: Analysts Just Made A Meaningful Increase To Their Castle Biosciences, Inc. (NASDAQ:CSTL) Forecasts

Aug 11
Upgrade: Analysts Just Made A Meaningful Increase To Their Castle Biosciences, Inc. (NASDAQ:CSTL) Forecasts

Castle Biosciences, Inc. Beat Analyst Profit Forecasts, And Analysts Have New Estimates

Aug 08
Castle Biosciences, Inc. Beat Analyst Profit Forecasts, And Analysts Have New Estimates

Castle Biosciences, Inc.'s (NASDAQ:CSTL) 28% Share Price Surge Not Quite Adding Up

Aug 04
Castle Biosciences, Inc.'s (NASDAQ:CSTL) 28% Share Price Surge Not Quite Adding Up

Is Castle Biosciences (NASDAQ:CSTL) A Risky Investment?

Jul 12
Is Castle Biosciences (NASDAQ:CSTL) A Risky Investment?

Castle Biosciences, Inc.'s (NASDAQ:CSTL) P/S Is On The Mark

Apr 30
Castle Biosciences, Inc.'s (NASDAQ:CSTL) P/S Is On The Mark

Investors Appear Satisfied With Castle Biosciences, Inc.'s (NASDAQ:CSTL) Prospects

Jan 27
Investors Appear Satisfied With Castle Biosciences, Inc.'s (NASDAQ:CSTL) Prospects

Castle Biosciences (NASDAQ:CSTL) Is In A Good Position To Deliver On Growth Plans

Oct 31
Castle Biosciences (NASDAQ:CSTL) Is In A Good Position To Deliver On Growth Plans

Earnings Working Against Castle Biosciences, Inc.'s (NASDAQ:CSTL) Share Price Following 36% Dive

Jun 13
Earnings Working Against Castle Biosciences, Inc.'s (NASDAQ:CSTL) Share Price Following 36% Dive

Earnings and Revenue Growth Forecasts

NasdaqGM:CSTL - Analysts future estimates and past financials data (USD Millions)
DateRevenueEarningsFree Cash FlowCash from OpAvg. No. Analysts
12/31/2027325-653234
12/31/2026299-57-189
12/31/2025294-80-589
3/31/2025347-54266N/A
12/31/2024332183765N/A
9/30/202431263559N/A
6/30/2024288-32041N/A
3/31/2024251-31-613N/A
12/31/2023220-57-19-6N/A
9/30/2023192-76-42-30N/A
6/30/2023168-89-52-40N/A
3/31/2023152-72-54-46N/A
12/31/2022137-67-47-42N/A
9/30/2022124-53-43-38N/A
6/30/2022110-44-43-39N/A
3/31/202298-52-40-37N/A
12/31/202194-31-22-19N/A
9/30/202186-30-20-17N/A
6/30/202178-23-18-13N/A
3/31/202168-1516N/A
12/31/202063-10510N/A
9/30/202063-31015N/A
6/30/20206371618N/A
3/31/202061645N/A
12/31/201952367N/A
9/30/2019464-1-1N/A
6/30/201935-6-4-3N/A
3/31/201928-8-9-8N/A
12/31/201823-10N/A-12N/A
12/31/201741-46N/A-37N/A

Analyst Future Growth Forecasts

Earnings vs Savings Rate: CSTL is forecast to remain unprofitable over the next 3 years.

Earnings vs Market: CSTL is forecast to remain unprofitable over the next 3 years.

High Growth Earnings: CSTL is forecast to remain unprofitable over the next 3 years.

Revenue vs Market: CSTL's revenue (1.8% per year) is forecast to grow slower than the US market (9.1% per year).

High Growth Revenue: CSTL's revenue (1.8% per year) is forecast to grow slower than 20% per year.


Earnings per Share Growth Forecasts


Future Return on Equity

Future ROE: Insufficient data to determine if CSTL's Return on Equity is forecast to be high in 3 years time


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Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/07/31 22:56
End of Day Share Price 2025/07/31 00:00
Earnings2025/03/31
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Castle Biosciences, Inc. is covered by 9 analysts. 9 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Catherine Ramsey SchulteBaird
Mark MassaroBTIG
Kyle MiksonCanaccord Genuity