38.90
price down icon1.04%   -0.41
after-market After Hours: 38.90
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Castle Biosciences Inc stock is traded at $38.90, with a volume of 330.38K. It is down -1.04% in the last 24 hours and down -2.63% over the past month. Castle Biosciences Inc is a molecular diagnostics company. The group provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), and uveal melanoma. The product portfolio of the company includes DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a test to predict future development of progression of high-grade dysplasia and/or esophageal cancer. It also provides DecisionDx-UM, a risk stratification GEP test. The company also offers its products to the skin cancer and gastroenterology markets.
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Previous Close:
$39.31
Open:
$39.43
24h Volume:
330.38K
Relative Volume:
0.87
Market Cap:
$1.14B
Revenue:
$219.79M
Net Income/Loss:
$-57.47M
P/E Ratio:
-18.09
EPS:
-2.15
Net Cash Flow:
$-19.25M
1W Performance:
-2.97%
1M Performance:
-2.63%
6M Performance:
+90.50%
1Y Performance:
+45.97%
1-Day Range:
Value
$38.81
$39.50
1-Week Range:
Value
$38.75
$39.97
52-Week Range:
Value
$14.59
$42.17

Castle Biosciences Inc Stock (CSTL) Company Profile

Name
Name
Castle Biosciences Inc
Name
Phone
866-788-9007
Name
Address
505 S FRIENDSWOOD DRIVE, FRIENDSWOOD, TX
Name
Employee
823
Name
Twitter
@castlebio
Name
Next Earnings Date
2024-11-04
Name
Latest SEC Filings
Name
CSTL's Discussions on Twitter

Compare CSTL with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Diagnostics & Research icon
CSTL
Castle Biosciences Inc
38.90 1.15B 219.79M -57.47M -19.25M -2.15
Diagnostics & Research icon
TMO
Thermo Fisher Scientific Inc
579.45 219.21B 43.74B 6.58B 6.11B 17.31
Diagnostics & Research icon
DHR
Danaher Corp
228.92 162.93B 24.27B 3.50B 5.02B 4.8589
Diagnostics & Research icon
IDXX
Idexx Laboratories Inc
676.53 54.48B 4.17B 1.03B 940.22M 12.61
Diagnostics & Research icon
A
Agilent Technologies Inc
136.07 39.02B 6.95B 1.30B 1.15B 4.5696
Diagnostics & Research icon
IQV
Iqvia Holdings Inc
225.41 38.78B 15.90B 1.28B 2.21B 7.2842

Castle Biosciences Inc Stock (CSTL) Upgrades & Downgrades

Date Action Analyst Rating Change
Dec-14-23 Initiated Guggenheim Buy
Jan-05-23 Initiated Scotiabank Sector Outperform
Jan-07-22 Initiated Stephens Overweight
Apr-30-21 Initiated Lake Street Buy
Nov-10-20 Initiated KeyBanc Capital Markets Overweight
Dec-27-19 Reiterated Canaccord Genuity Buy
Aug-19-19 Initiated BTIG Research Buy
Aug-19-19 Initiated Canaccord Genuity Buy
Aug-19-19 Initiated Robert W. Baird Outperform
Aug-19-19 Initiated SVB Leerink Outperform
View All

Castle Biosciences Inc Stock (CSTL) Latest News

pulisher
Dec 29, 2025

Castle Biosciences (NASDAQ:CSTL) Insider Derek Maetzold Sells 830 Shares - MarketBeat

Dec 29, 2025
pulisher
Dec 29, 2025

Take the Zacks Approach to Beat the Markets: Castle Biosciences, Hamilton Insurance & Monster Beverage in Focus - Yahoo Finance

Dec 29, 2025
pulisher
Dec 28, 2025

Is Castle Biosciences Inc. stock vulnerable to regulatory risksHealthcare Stock Analysis & Free Professional Investment Consultations - bollywoodhelpline.com

Dec 28, 2025
pulisher
Dec 27, 2025

Breakouts Watch: Why Castle Biosciences Inc. stock is considered a top pick2025 Sector Review & Real-Time Volume Triggers - moha.gov.vn

Dec 27, 2025
pulisher
Dec 25, 2025

What makes Castle Biosciences (CSTL) a good fit for 'trend investing' - MSN

Dec 25, 2025
pulisher
Dec 24, 2025

What Makes Castle Biosciences (CSTL) a Good Fit for 'Trend Investing' - sharewise.com

Dec 24, 2025
pulisher
Dec 23, 2025

Is Castle Biosciences (NASDAQ:CSTL) Using Too Much Debt? - 富途牛牛

Dec 23, 2025
pulisher
Dec 22, 2025

Castle Biosciences stock hits 52-week high at 40.66 USD - Investing.com

Dec 22, 2025
pulisher
Dec 22, 2025

Castle Biosciences (NASDAQ:CSTL) Hits New 12-Month High After Analyst Upgrade - MarketBeat

Dec 22, 2025
pulisher
Dec 22, 2025

Castle Biosciences stock hits 52-week high at 40.66 USD By Investing.com - Investing.com Nigeria

Dec 22, 2025
pulisher
Dec 22, 2025

Castle Biosciences (CSTL) Receives Analyst Rating Update with Ra - GuruFocus

Dec 22, 2025
pulisher
Dec 22, 2025

Castle Biosciences (NASDAQ:CSTL) Given New $50.00 Price Target at Canaccord Genuity Group - MarketBeat

Dec 22, 2025
pulisher
Dec 21, 2025

Is Castle Biosciences Inc. stock a top momentum playWeekly Investment Recap & Safe Swing Trade Setup Alerts - Улправда

Dec 21, 2025
pulisher
Dec 20, 2025

Why Castle Biosciences Inc. stock is favored by top institutionsJuly 2025 Chart Watch & Smart Investment Allocation Tips - Улправда

Dec 20, 2025
pulisher
Dec 20, 2025

Is Castle Biosciences Inc. stock positioned for digital transformationJuly 2025 Analyst Calls & Risk Controlled Swing Alerts - Улправда

Dec 20, 2025
pulisher
Dec 19, 2025

Castle Biosciences (NASDAQ:CSTL) Insider Sells $20,380.36 in Stock - MarketBeat

Dec 19, 2025
pulisher
Dec 19, 2025

Castle Biosciences (NASDAQ:CSTL) COO Kristen Oelschlager Sells 14,888 Shares - MarketBeat

Dec 19, 2025
pulisher
Dec 19, 2025

Why retail investors favor Castle Biosciences Inc. stockPortfolio Value Summary & Fast Momentum Entry Tips - Улправда

Dec 19, 2025
pulisher
Dec 19, 2025

Can Castle Biosciences Inc. stock continue upward trend2025 Biggest Moves & Advanced Swing Trade Entry Alerts - DonanımHaber

Dec 19, 2025
pulisher
Dec 19, 2025

Castle Biosciences (CSTL) Awards Restricted Stock Units to New E - GuruFocus

Dec 19, 2025
pulisher
Dec 19, 2025

Castle Biosciences Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4) - The Manila Times

Dec 19, 2025
pulisher
Dec 19, 2025

Castle Biosciences reports inducement grants under Nasdaq Listing Rule - marketscreener.com

Dec 19, 2025
pulisher
Dec 19, 2025

Castle Biosciences Reports Inducement Grants Under Nasdaq Listing Rule - TradingView — Track All Markets

Dec 19, 2025
pulisher
Dec 19, 2025

Can Castle Biosciences Inc. stock maintain operating marginsTrade Entry Report & Fast Exit and Entry Trade Guides - Улправда

Dec 19, 2025
pulisher
Dec 18, 2025

Is Castle Biosciences Inc. stock a buy before product launchesMarket Trend Review & Real-Time Volume Analysis - Улправда

Dec 18, 2025
pulisher
Dec 18, 2025

Is Castle Biosciences Inc. stock trading at a premium valuationJuly 2025 Price Swings & Long-Term Safe Return Strategies - Улправда

Dec 18, 2025
pulisher
Dec 18, 2025

Squarepoint Ops LLC Buys 28,359 Shares of Castle Biosciences, Inc. $CSTL - MarketBeat

Dec 18, 2025
pulisher
Dec 17, 2025

COO Oelschlager Files To Sell 14,888 Of Castle Biosciences Inc [CSTL] - TradingView — Track All Markets

Dec 17, 2025
pulisher
Dec 17, 2025

Castle Biosciences (CSTL) CEO reports stock sales under 10b5-1 plan - Stock Titan

Dec 17, 2025
pulisher
Dec 17, 2025

Castle Biosciences’ melanoma test outperforms NGS in eye cancer study By Investing.com - Investing.com Nigeria

Dec 17, 2025
pulisher
Dec 17, 2025

Castle Biosciences (CSTL) Reveals Enhanced Predictive Method for Uveal Melanoma Outcomes - GuruFocus

Dec 17, 2025
pulisher
Dec 17, 2025

Castle Biosciences’ melanoma test outperforms NGS in eye cancer study - Investing.com

Dec 17, 2025
pulisher
Dec 17, 2025

Castle Biosciences Announces Key Study Findings on Uveal Melanoma Risk Stratification Using DecisionDx-UM and PRAME Combination - Quiver Quantitative

Dec 17, 2025
pulisher
Dec 17, 2025

Landmark Study Shows Combination of Castle Biosciences' DecisionDx®-UM and PRAME Outperforms Gene Mutation Analysis in Predicting Survival Outcomes in Uveal Melanoma - GlobeNewswire

Dec 17, 2025
pulisher
Dec 15, 2025

CFO Stokes Sells 4,496 ($168.4K) Of Castle Biosciences Inc [CSTL] - TradingView — Track All Markets

Dec 15, 2025
pulisher
Dec 15, 2025

Castle Biosciences (CSTL) CCO reports sale of 13,200 shares - Stock Titan

Dec 15, 2025
pulisher
Dec 15, 2025

Castle Biosciences (CSTL) CFO reports 4,496-share insider stock sale - Stock Titan

Dec 15, 2025
pulisher
Dec 13, 2025

Castle Biosciences (CSTL): Valuation Check After Expert Panel Endorses DecisionDx-Melanoma Test - Yahoo Finance

Dec 13, 2025
pulisher
Dec 13, 2025

Castle Biosciences (NASDAQ:CSTL) Given New $50.00 Price Target at BTIG Research - MarketBeat

Dec 13, 2025
pulisher
Dec 13, 2025

Castle Biosciences, Inc. $CSTL Shares Bought by Braidwell LP - MarketBeat

Dec 13, 2025
pulisher
Dec 13, 2025

Castle Biosciences, Inc. (NASDAQ:CSTL) Receives Average Rating of "Moderate Buy" from Analysts - MarketBeat

Dec 13, 2025
pulisher
Dec 12, 2025

Castle Biosciences (CSTL) Highlights Breakthrough in Barrett's E - GuruFocus

Dec 12, 2025
pulisher
Dec 12, 2025

Castle Biosciences Announces Publication of Study Confirming TissueCypher® Test's Efficacy in Risk Stratification for Barrett's Esophagus Patients - Quiver Quantitative

Dec 12, 2025
pulisher
Dec 12, 2025

BTIG Maintains Castle Biosciences (CSTL) Buy Recommendation - Nasdaq

Dec 12, 2025
pulisher
Dec 12, 2025

Systematic Review and Meta-Analysis Confirms TissueCypher® Outperforms Traditional Pathology or Clinical Factors Alone to Identify Patients at Increased Risk of Developing Esophageal Cancer - GlobeNewswire

Dec 12, 2025
pulisher
Dec 11, 2025

Castle Biosciences (CSTL) insider details RSU vesting, tax trades - Stock Titan

Dec 11, 2025
pulisher
Dec 10, 2025

Expert Melanoma Panel Recommends Castle Biosciences DecisionDx-Melanoma as a Best-Practice Tool for Managing Patients with Melanoma - marketscreener.com

Dec 10, 2025
pulisher
Dec 09, 2025

Castle Biosciences Announces Endorsement of DecisionDx-Melanoma Test in Independent Expert Consensus Paper - Quiver Quantitative

Dec 09, 2025
pulisher
Dec 09, 2025

Expert Melanoma Panel Recommends Castle Biosciences’ DecisionDx®-Melanoma as a Best-Practice Tool for Managing Patients with Melanoma - The Manila Times

Dec 09, 2025
pulisher
Dec 09, 2025

Expert Melanoma Panel Recommends Castle Biosciences’ - GlobeNewswire

Dec 09, 2025

Castle Biosciences Inc Stock (CSTL) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$131.16
price down icon 1.20%
diagnostics_research LH
$250.88
price down icon 0.87%
diagnostics_research WAT
$379.83
price down icon 1.08%
diagnostics_research MTD
$1,394.19
price down icon 1.42%
$229.09
price down icon 0.39%
diagnostics_research IQV
$225.41
price down icon 1.00%
Cap:     |  Volume (24h):