CSTL logo

Castle Biosciences, Inc. (CSTL)

Profile

Full Name

Castle Biosciences, Inc.

Ticker

NASDAQ: CSTL

Exchange

NASDAQ

Sector

Healthcare

Industry

Diagnostics & Research

Country

United States

IPO

July 25, 2019

Indexes

Not included

Website

https://castlebiosciences.com

Employees

784

Key Details

Price

$24.01(+2.34%)

Market cap

$696.49M(Small cap)

Last Dividend

-

TTM Dividend yield

-

Annual revenue

$332.07M(+51.09% YoY)

Annual EPS

$0.62(+128.97% YoY)

PE ratio

-

Next earnings date

Nov 4, 2025

Next ex-dividend date

N/A

Next split date

N/A

Quick Search

    Add series to chart(max: 6)
    company, ETF, index, featured screener or watchlist
    series name
    See Full Chart & Historical Data

    Analyst ratings

    Price

    Add series to chart(max: 6)
    company, ETF, index, featured screener or watchlist
    series name
    Suggested series

    Current Price

    $24.01
    CSTL price is $24.01

    30-Day Relative Volume

    0.83
    CSTL 30-day relative volume is 0.83

    Price Performance

    Price Most recent change

    +2.34%
    CSTL price was up +2.34% on Aug 29, 2025

    Price YTD change

    -9.91%
    CSTL price is down -9.91% since January 1st

    Price 1-year change

    -19.4%
    CSTL price is down -19.4% year-on-year

    Price 3-year change

    -18.89%
    CSTL price is down -18.89% over the past 3 years

    Price Range

    Price All-time high

    $107.69
    CSTL price is currently -77.70% below its historical high of $107.69

    Price 3-year low

    $9.26
    CSTL price is currently +159.29% above its 3-year low

    Capitalization

    Add series to chart(max: 6)
    company, ETF, index, featured screener or watchlist
    series name
    Suggested series

    Market cap

    Market cap

    $696.49M
    CSTL market capitalization is $696.49 million

    Market cap 3-year change

    -10.52%
    CSTL market capitalization is down -10.52% over the past 3 years

    Market cap All-time high

    $2.42B
    CSTL market capitalization is currently -71.16% below its historical high of $2.42 billion

    Market cap sector rank

    68.91%
    CSTL market capitalization is higher than 68.91% of companies in Healthcare sector

    Shares Outstanding

    Shares Outstanding 1-Year Change

    +4.58%
    CSTL shares outstanding is up +4.58% year-on-year

    Shares Outstanding 3-Year Change

    +10.31%
    CSTL shares outstanding is up +10.31% over the past 3 years

    Technical Indicators

    Add series to chart(max: 6)
    company, ETF, index, featured screener or watchlist
    series name
    Suggested series

    Beta

    0.78
    CSTL beta is 0.78

    200-day SMA

    $22.39
    CSTL price is currently +7.25% above its 200-day simple moving average

    50-day SMA

    $19.05
    CSTL price is currently +26.00% above its 50-day simple moving average

    RSI

    75.89
    CSTL 14-day relative strength index is 75.89

    Volume

    0.83
    CSTL 30-day relative volume is 0.83

    ATR

    $1.03
    CSTL average true range is $1.03

    10-day Historical Volatility

    44.61%
    CSTL 10-day historical volatility is 44.61%

    Dividend

    Income Statement

    Add series to chart(max: 6)
    company, ETF, index, featured screener or watchlist
    series name
    Suggested series

    Revenue

    Revenue

    $332.07M
    CSTL annual revenue is $332.07 million

    Revenue Analysts estimate

    $317.60M
    CSTL annual revenue is currently +4.56% higher than the consensus analysts' forecast

    Revenue 1-year change

    +51.09%
    CSTL annual revenue is up +51.09% year-on-year

    Revenue Sector rank

    78.11%
    CSTL annual revenue is higher than 78.11% of companies in Healthcare sector

    EPS

    EPS

    $0.62
    CSTL annual earnings per share is $0.62

    EPS Analysts estimate

    -$1.56
    CSTL annual earnings per share is currently -139.85% lower than the consensus analysts' forecast

    EPS 1-year change

    +128.97%
    CSTL annual earnings per share is up +128.97% year-on-year

    EPS Sector rank

    87.79%
    CSTL annual earnings per share is higher than 87.79% of companies in Healthcare sector

    Profit

    Gross profit

    $271.86M
    CSTL annual gross profit is $271.86 million

    Gross margin

    81.87%
    CSTL annual gross profit margin is 81.87%

    Operating profit

    $8.67M
    CSTL annual operating income is $8.67 million

    Operating margin

    2.61%
    CSTL annual operating profit margin is 2.61%

    Net income

    $18.25M
    CSTL annual net profit is $18.25 million

    Net margin

    5.49%
    CSTL annual net profit margin is 5.49%

    Expenses

    Total expenses

    $323.40M
    CSTL annual total expenses is $323.40 million

    Operating expenses

    $263.19M
    CSTL annual total operating expenses is $263.19 million

    Cost of goods sold

    $60.20M
    CSTL annual cost of goods sold is $60.20 million

    Selling, general & administrative expenses

    $200.05M
    CSTL annual SGA is $200.05 million

    Depreciation and amortization

    $16.00M
    CSTL annual depreciation & amortization is $16.00 million

    Interest expense

    $577.00K
    CSTL annual interest expense is $577.00 thousand

    Income tax

    $3.32M
    CSTL annual income tax is $3.32 million

    EBIT & EBITDA

    EBIT

    $22.14M
    CSTL annual earnings before interest & taxes is $22.14 million

    EBITDA

    $38.14M
    CSTL annual EBITDA is $38.14 million

    Balance Sheet

    Add series to chart(max: 6)
    company, ETF, index, featured screener or watchlist
    series name
    Suggested series

    Assets

    Total assets

    $553.92M
    CSTL annual total assets is $553.92 million

    Non current assets

    $171.08M
    CSTL annual long term assets is $171.08 million

    Current assets

    $360.15M
    CSTL annual total current assets is $360.15 million

    Cash and cash equivalents

    $119.71M
    CSTL annual cash & cash equivalents is $119.71 million

    Accounts receivable

    $51.22M
    CSTL annual accounts receivable is $51.22 million

    Inventory

    $8.13M
    CSTL annual inventory is $8.13 million

    Liabilities

    Total liabilities

    $98.08M
    CSTL annual total liabilities is $98.08 million

    Long term liabilities

    $26.01M
    CSTL annual total long term liabilities is $26.01 million

    Current liabilities

    $49.39M
    CSTL annual total current liabilities is $49.39 million

    Accounts payable

    $6.90M
    CSTL annual accounts payable is $6.90 million

    Debt

    Total debt

    $26.45M
    CSTL annual total debt is $26.45 million

    Total debt 1-year change

    +72.73%
    CSTL annual total debt is up +72.73% year-on-year

    Long term debt

    $24.40M
    CSTL annual long term debt is $24.40 million

    Short term debt

    $2.04M
    CSTL annual short term debt is $2.04 million

    Equity & Capital

    Shareholders equity

    $455.83M
    CSTL annual stockholders equity is $455.83 million

    Book value

    $455.83M
    CSTL annual book value is $455.83 million

    Retained earnings

    -$200.13M
    CSTL annual retained earnings is -$200.13 million

    Working capital

    $310.76M
    CSTL annual working capital is $310.76 million

    Cash Flow Statement

    Add series to chart(max: 6)
    company, ETF, index, featured screener or watchlist
    series name
    Suggested series

    Cashflow Activities

    Cash from operations

    $64.87M
    CSTL annual cash flow from operations is $64.87 million

    Cash from operations 1-year change

    +1252.97%
    CSTL annual cash flow from operations is up +1252.97% year-on-year

    Cash from investing

    -$50.14M
    CSTL annual cash flow from investing activities is -$50.14 million

    Cash from investing 1-year change

    -209.81%
    CSTL annual cash flow from investing activities is down -209.81% year-on-year

    Cash from financing

    $6.14M
    CSTL annual cash flow from financing activities is $6.14 million

    Cash from financing 1-year change

    +367.15%
    CSTL annual cash flow from financing activities is up +367.15% year-on-year

    CAPEX

    CAPEX

    $28.33M
    CSTL annual capital expenditures is $28.33 million

    CAPEX 1-year change

    +107.96%
    CSTL annual capital expenditures is up +107.96% year-on-year

    Free Cash Flow

    Free cash flow

    $36.54M
    CSTL annual free cash flow is $36.54 million

    Free cash flow 1-year change

    +289.85%
    CSTL annual free cash flow is up +289.85% year-on-year

    Profitability Ratios

    Add series to chart(max: 6)
    company, ETF, index, featured screener or watchlist
    series name
    Suggested series

    Margins

    Gross margin

    81.87%
    CSTL annual gross profit margin is 81.87%

    Operating margin

    2.61%
    CSTL annual operating profit margin is 2.61%

    Net margin

    5.49%
    CSTL annual net profit margin is 5.49%

    ROA & ROE

    ROA

    3.54%
    CSTL annual return on assets is 3.54%

    ROE

    4.31%
    CSTL annual return on equity is 4.31%

    Valuation

    Add series to chart(max: 6)
    company, ETF, index, featured screener or watchlist
    series name
    Suggested series

    PE Ratio

    PE ratio

    -
    CSTL price to earnings ratio value is unknown

    PE ratio Sector rank

    -
    CSTL price to earnings ratio is unknown

    PB Ratio

    PB ratio

    1.53
    CSTL price to book ratio is 1.53

    PB ratio Sector rank

    46.13%
    CSTL price to book ratio is higher than 46.13% of companies in Healthcare sector

    PS Ratio

    PS ratio

    2.01
    CSTL price to sales ratio is 2.01

    PS ratio Sector rank

    36.2%
    CSTL price to sales ratio is higher than 36.2% of companies in Healthcare sector

    Enterprise value

    Enterprise value

    $457.91M
    CSTL enterprise value is $457.91 million

    Enterprise value Sector rank

    65.8%
    CSTL enterprise value is higher than 65.8% of companies in Healthcare sector

    EV/EBITDA

    EV/EBITDA

    14.06
    CSTL EV/EBITDA is 14.06

    EV/EBITDA Sector rank

    87.08%
    CSTL EV/EBITDA is higher than 87.08% of companies in Healthcare sector

    Financial Health

    Add series to chart(max: 6)
    company, ETF, index, featured screener or watchlist
    series name
    Suggested series

    Liquidity

    Current ratio

    7.29
    CSTL annual current ratio is 7.29

    Quick ratio

    7.13
    CSTL annual quick ratio is 7.13

    Leverage

    Debt to equity

    0.02
    CSTL annual debt to equity ratio is 0.02

    Interest coverage ratio

    38.37
    CSTL annual interest coverage ratio is 38.37

    Risk & Stability

    Piotroski F-Score

    3
    CSTL piotroski f-score is 3

    Altman Z-Score

    5.16
    CSTL altman z-score is 5.16

    Analyst ratings

    Recent major analysts updates

    May 21, 25 Scotiabank
    Sector Outperform
    May 6, 25 Lake Street
    Buy
    May 6, 25 Canaccord Genuity
    Buy
    Feb 28, 25 Baird
    Outperform
    Jan 2, 25 Stephens & Co.
    Overweight
    Nov 6, 24 Scotiabank
    Sector Outperform
    Nov 5, 24 Lake Street
    Buy
    Nov 5, 24 Keybanc
    Overweight
    Nov 5, 24 Baird
    Outperform
    Oct 29, 24 Canaccord Genuity
    Buy

    Institutional Ownership

    Screeners with CSTL included

    Growing Shares Outstanding
    US stocks
    Best performing stocks last month
    Most recommended stocks
    Best performing stocks last 3 months
    NASDAQ Dividend Calendar
    Stocks below analysts price target
    Healthcare sector
    All stocks
    High Altman Z score stocks
    • What is the ticker symbol for Castle Biosciences, Inc.?
    • Does Castle Biosciences, Inc. pay dividends?
    • What sector is Castle Biosciences, Inc. in?
    • What industry is Castle Biosciences, Inc. in?
    • What country is Castle Biosciences, Inc. based in?
    • When did Castle Biosciences, Inc. go public?
    • Is Castle Biosciences, Inc. in the S&P 500?
    • Is Castle Biosciences, Inc. in the NASDAQ 100?
    • Is Castle Biosciences, Inc. in the Dow Jones?
    • When was Castle Biosciences, Inc.'s last earnings report?
    • When does Castle Biosciences, Inc. report earnings?

    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.'s 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.'s last earnings report?

    Castle Biosciences, Inc.'s most recent earnings report was on August 4, 2025

    When does Castle Biosciences, Inc. report earnings?

    The next expected earnings date for Castle Biosciences, Inc. is November 4, 2025
    On this page