Castle Biosciences, Inc. (CSTL)

NASDAQ: CSTL · Real-Time Price · USD
30.40
-0.78 (-2.50%)
Aug 5, 2026, 4:00 PM EDT - Market closed
Market Cap928.71M +119.6%
Revenue (ttm)357.28M +3.2%
Net Income-19.42M
EPS-0.65
Shares Out 30.55M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume520,196
Open31.18
Previous Close31.18
Day's Range30.10 - 31.42
52-Week Range17.72 - 44.28
Beta0.97
AnalystsStrong Buy
Price Target44.00 (+44.74%)
Earnings DateJul 30, 2026

About CSTL

Castle Biosciences, Inc., a molecular diagnostics company, provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett’s esophagus (BE), atopic dermatitis (AD), and uveal melanoma. The company offers DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test that predicts the likelihood of a positive sentinel lymph node and the risk of metastasis for patients with invasive cutaneous melanoma; TissueCypher, a risk stratification spatialomics test to predict future development of high-grade dysplasi... [Read more]

Sector Healthcare
IPO Date Jul 25, 2019
Employees 1,002
Stock Exchange NASDAQ
Ticker Symbol CSTL
Full Company Profile

Financial Performance

Financial Statements

Analyst Summary

According to 9 analysts, the average rating for CSTL stock is "Strong Buy." The 12-month stock price target is $44.0, which is an increase of 44.74% from the latest price.

Price Target
$44.0
(44.74% upside)
Analyst Consensus: Strong Buy
Stock Forecasts

News

Castle Biosciences price target raised to $44 from $40 at BTIG

BTIG raised the firm’s price target on Castle Biosciences (CSTL) to $44 from $40 and keeps a Buy rating on the shares after “a strong Q2 beat” and another guidance…

2 days ago - TheFly

Castle Biosciences price target raised to $44 from $40 at BTIG

BTIG raised the firm’s price target on Castle Biosciences (CSTL) to $44 from $40 and keeps a Buy rating on the shares. The company delivered a strong Q2 beat on…

3 days ago - TheFly

Castle Biosciences price target raised to $57 from $52 at Lake Street

Lake Street raised the firm’s price target on Castle Biosciences (CSTL) to $57 from $52 and keeps a Buy rating on the shares following a Q2 “blowout” accompanied by a…

6 days ago - TheFly

Castle Biosciences price target lowered to $36 from $43 at Baird

Baird lowered the firm’s price target on Castle Biosciences (CSTL) to $36 from $43 and keeps an Outperform rating on the shares. The firm updated its model following Q2 results.

6 days ago - TheFly

Castle Biosciences Earnings Call Transcript: Q2 2026

Q2 2026 revenue grew 20% year-over-year to $103.5 million, with strong volume growth in TissueCypher and DecisionDx-Melanoma. 2026 revenue guidance was raised to $365–$375 million, and positive adjusted EBITDA is expected for the remainder of 2026.

6 days ago - Transcripts

Castle Biosciences Earnings release: Q2 2026

Castle Biosciences released its Q2 2026 earnings on July 30, 2026, summarizing the period's financial results.

6 days ago - Filings

Castle Biosciences Quarterly report: Q2 2026

Castle Biosciences has published its Q2 2026 quarterly earnings report on July 30, 2026.

6 days ago - Filings

Castle Biosciences Slides: Q2 2026

Castle Biosciences has posted slides in relation to its Q2 2026 quarterly earnings report, which was published on July 30, 2026.

6 days ago - Filings

Castle Biosciences reports Q2 EPS (7c), consensus (41c)

Reports Q2 revenue $103.5M, consensus $86.24M. “The Castle Biosciences (CSTL) team delivered another outstanding quarter,” said CEO Derek Maetzold. “We believe our strong growth through the first half...

6 days ago - TheFly

Castle Biosciences raises 2026 revenue view to $365M-$375M from $345M-$355M

2026 consensus $352.29M. Sees positive adjusted EBITDA for 2026 and both Q3 and Q4.

6 days ago - TheFly

Castle Biosciences Slides: Corporate presentation

Castle Biosciences has posted slides in relation to its latest quarterly earnings report, which was published on July 30, 2026.

7 days ago - Filings

Castle Biosciences to Present at the Canaccord Genuity 46th Annual Growth Conference

FRIENDSWOOD, Texas, July 22, 2026 /PRNewswire/ -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that its executi...

15 days ago - PRNewsWire

Castle Biosciences Announces New York State Department of Health Approval of its AdvanceAD-Tx™ Test

Approval expands access to Castle's precision medicine test designed to guide systemic treatment decision making in patients with moderate-to-severe atopic dermatitis FRIENDSWOOD, Texas, July 14, 2026...

22 days ago - PRNewsWire

Castle Biosciences to Release Second Quarter 2026 Financial Results and Host Webcast on Thursday, July 30, 2026

FRIENDSWOOD, Texas, July 9, 2026 /PRNewswire/ -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that it will rele...

4 weeks ago - PRNewsWire

Castle Biosciences’ i31-SLNB outperforms MIA nomogram in lymph node biopsy

Castle Biosciences (CSTL) announced the publication of a prospective, multicenter study in Dermatology and Therapy demonstrating that DecisionDx-Melanoma’s integrated sentinel lymph node biopsy test r...

5 weeks ago - TheFly

DecisionDx®-Melanoma's i31-SLNB Outperforms MIA Nomogram in Identifying Patients Who May Safely Forgo Sentinel Lymph Node Biopsy

Newly published prospective study shows DecisionDx-Melanoma's i31-SLNB test result more accurately identifies patients at low and high risk of sentinel lymph node (SLN) positivity than the Melanoma In...

5 weeks ago - PRNewsWire

Roth starts Castle Biosciences at Buy, notes quality revenue growth outlook

Roth Capital initiated coverage of Castle Biosciences (CSTL) with a Buy rating and $40 price target The firm believes Castle should be owned for its quality revenue growth outlook over…

6 weeks ago - TheFly

Castle Biosciences initiated with a Buy at Roth Capital

Roth Capital initiated coverage of Castle Biosciences (CSTL) with a Buy rating and $40 price target

6 weeks ago - TheFly

Castle Biosciences' Chief Financial Officer Frank Stokes Named a 2026 CFO Awards Honoree by the Houston Business Journal

Stokes was one of 22 financial leaders recognized in the Greater Houston area FRIENDSWOOD, Texas, June 23, 2026 /PRNewswire/ -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health thro...

6 weeks ago - PRNewsWire

Castle Biosciences Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

FRIENDSWOOD, Texas, June 19, 2026 /PRNewswire/ -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that on June 15,...

6 weeks ago - PRNewsWire

Castle Biosciences’ TissueCypher Test surpasses 100,000 orders

Castle Biosciences (CSTL)’ TissueCypher Barrett’s Esophagus Test has surpassed 100,000 clinical test orders. TissueCypher is an AI-derived precision medicine test designed to predict a patient’s five-...

7 weeks ago - TheFly

First Patient Enrolled in New Study Assessing early prediction of flares in Atopic Dermatitis by Castle Biosciences in Collaboration with SciBase

STOCKHOLM, June 10, 2026 /PRNewswire/ -- SciBase Holding AB ("SciBase") (STO: SCIB), a leading developer of AI-powered skin health solutions, today announced that the first patient has been enrolled i...

2 months ago - PRNewsWire

Castle Biosciences Transcript: Jefferies Global Healthcare Conference 2026

Strong Q1 growth in core diagnostic tests led to raised 2026 revenue guidance and robust margins. New product launches and pipeline innovations target dermatology and GI markets, while legislative trends and clinical value support future reimbursement and adoption.

2 months ago - Transcripts

Castle Biosciences price target lowered to $35 from $50 at KeyBanc

KeyBanc lowered the firm’s price target on Castle Biosciences (CSTL) to $35 from $50 and keeps an Overweight rating on the shares.

2 months ago - TheFly

Castle Biosciences price target lowered to $40 from $50 at BTIG

BTIG lowered the firm’s price target on Castle Biosciences (CSTL) to $40 from $50 and keeps a Buy rating on the shares. The company delivered a solid 10% revenue beat…

3 months ago - TheFly