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ALL
Market cap
$945712552
EPS
-0.45
P/E ratio
--
Price to sales
2.97
Dividend yield
--
Beta
1.063015
Previous close
$34.96
Today's open
$34.98
Day's range
$32.26 - $35.50
52 week range
$14.59 - $44.28
show more
CEO
Derek J. Maetzold
Employees
761
Headquarters
Friendswood, TX
Exchange
NASDAQ Global Market
Shares outstanding
29188659
Issue type
Common Stock
Healthcare
Medical Diagnostics & Screening
Castle Biosciences to Release Fourth Quarter and Full-Year 2025 Financial Results and Host Conference Call on Thursday, Feb. 26, 2026
FRIENDSWOOD, Texas, Feb. 05, 2026 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that it will release its financial results for the fourth quarter and year ended Dec. 31, 2025, after the close of market on Thursday, Feb. 26, 2026. Company management will host a conference call and webcast to discuss its financial results at 4:30 p.m.
GlobeNewsWire • Feb 5, 2026

Wasatch Micro Cap Fund Q4 2025 Performance Review
Leading individual contributors to the Fund's relative performance included Axogen, Inc., a holding within the health-care equipment industry. A provider of prepared food items such as meatballs and paninis, Mama's targets the deli area of grocery stores and warehouse clubs. On the downside, software distribution company Climb Global Solutions, Inc. was the Fund's leading laggard in the quarter.
Seeking Alpha • Feb 4, 2026

Allspring Emerging Growth Fund Q4 2025 Performance Review
After years of underinvestment and production delays across the aerospace industry, ATI is now capitalizing on a surge in demand fueled by Boeing and Airbus' historically large backlogs for new aircraft.
Seeking Alpha • Feb 4, 2026

Are You Looking for a Top Momentum Pick? Why Castle Biosciences, Inc. (CSTL) is a Great Choice
Does Castle Biosciences, Inc. (CSTL) have what it takes to be a top stock pick for momentum investors? Let's find out.
Zacks Investment Research • Jan 23, 2026

Castle Biosciences Announces Preliminary Unaudited Fourth Quarter and Full–Year 2025 Results
2025 total revenue expected to exceed $340 million, above the previously guided range of $327-335 million 2025 total test reports for our core revenue drivers (DecisionDx ® -Melanoma, TissueCypher ® ) increased 37% over 2024 Year-end 2025 cash, cash equivalents and marketable investment securities expected to be approximately $300 million FRIENDSWOOD, Texas, Jan. 11, 2026 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced certain unaudited preliminary performance results for the fourth quarter and year ended Dec. 31, 2025. “We are extremely pleased with our excellent fourth quarter and full year preliminary results, which reflect both the strength of our innovative test portfolio and the dedication of the entire Castle team,” said Derek Maetzold, president and chief executive officer of Castle Biosciences.
GlobeNewsWire • Jan 11, 2026

Take the Zacks Approach to Beat the Markets: Castle Biosciences, Hamilton Insurance & Monster Beverage in Focus
Castle Biosciences surged 77.9% after a Zacks upgrade, highlighting how the firm's stock picks outpaced the broader market in recent months.
Zacks Investment Research • Dec 29, 2025

What Makes Castle Biosciences (CSTL) a Good Fit for 'Trend Investing'
Castle Biosciences (CSTL) could be a great choice for investors looking to make a profit from fundamentally strong stocks that are currently on the move. It is one of the several stocks that made it through our "Recent Price Strength" screen.
Zacks Investment Research • Dec 24, 2025

Castle Biosciences Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)
FRIENDSWOOD, Texas, Dec. 19, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that on Dec. 15, 2025, the Compensation Committee of its Board of Directors granted restricted stock units (RSUs) to 83 employees covering an aggregate of 139,494 shares of common stock as an inducement material to their entering into employment with Castle Biosciences. The RSUs were granted pursuant to the Company's 2022 Inducement Plan in accordance with Nasdaq Listing Rule 5635(c)(4).
GlobeNewsWire • Dec 19, 2025

Landmark Study Shows Combination of Castle Biosciences' DecisionDx®-UM and PRAME Outperforms Gene Mutation Analysis in Predicting Survival Outcomes in Uveal Melanoma
FRIENDSWOOD, Texas, Dec. 17, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced new data from the largest prospective, multicenter study to date comparing next-generation sequencing (NGS)-based gene mutation analysis with the combination of DecisionDx-UM and Preferentially Expressed Antigen in Melanoma (PRAME) gene expression for predicting outcomes in patients with uveal melanoma (UM). The study, titled “Early Genetic Evolution of Driver Mutations in Uveal Melanoma,” was conducted by the Collaborative Ocular Oncology Group (COOG) and recently published in Nature Communications.
GlobeNewsWire • Dec 17, 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
FRIENDSWOOD, Texas, Dec. 12, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced the publication of a new systematic review and meta-analysis (SRMA) demonstrating that the TissueCypher® Barrett's Esophagus test provides clinically validated risk stratification for patients with Barrett's esophagus (BE). The findings confirm that TissueCypher can outperform traditional pathology or clinical factors alone to identify patients at increased risk of developing esophageal cancer.
GlobeNewsWire • Dec 12, 2025

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