Compare · CSTL vs ILMN
CSTL vs ILMN
Side-by-side comparison of Castle Biosciences Inc. (CSTL) and Illumina Inc. (ILMN): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both CSTL and ILMN operate in Medical Specialities (Health Care), so they compete in similar markets.
- ILMN is the larger of the two at $28.24B, about 38.5x CSTL ($732.8M).
- Over the past year, CSTL is up 45.8% and ILMN is up 94.2% - ILMN leads by 48.5 points.
- ILMN has been more active in the news (11 items in the past 4 weeks vs 9 for CSTL).
- ILMN has more recent analyst coverage (25 ratings vs 6 for CSTL).
- Company
- Castle Biosciences Inc.
- Illumina Inc.
- Price
- $24.13-0.39%
- $186.76-1.85%
- Market cap
- $732.8M
- $28.24B
- 1M return
- +18.26%
- +13.80%
- 1Y return
- +45.77%
- +94.24%
- Industry
- Medical Specialities
- Medical Specialities
- Exchange
- NASDAQ
- NASDAQ
- IPO
- 2019
- 2000
- News (4w)
- 9
- 11
- Recent ratings
- 6
- 25
Castle Biosciences Inc.
Castle Biosciences, Inc., a commercial-stage dermatological cancer company, focuses to provide diagnostic and prognostic solutions for dermatological cancers. Its lead product is DecisionDx-Melanoma, a multi-gene expression profile (GEP) test to identify high-risk patients with stage I and II melanomas based on biological information from 31 genes within their tumor tissue. The company also offers DecisionDx-UM test, a proprietary GEP test that predicts the risk of metastasis for patients with uveal melanoma, a rare eye cancer; DecisionDx-SCC, a proprietary 40-gene expression profile test that uses an individual patient's tumor biology to predict individual risk of squamous cell carcinoma metastasis for patients with one or more risk factors; and DecisionDx DiffDx-Melanoma, a proprietary GEP test for suspicious pigmented lesions. It offers test services through physicians and their patients. The company was founded in 2007 and is headquartered in Friendswood, Texas.
Illumina Inc.
Illumina, Inc. provides sequencing and array-based solutions for genetic and genomic analysis. Its products and services serve customers in a range of markets enabling the adoption of genomic solutions in research and clinical settings for applications in the life sciences, oncology, reproductive health, agriculture, and other emerging segments. The company provides instruments and consumables used in genetic analysis; and genotyping and sequencing services, instrument service contracts, and development and licensing agreements. Its customers include genomic research centers, academic institutions, government laboratories, and hospitals, as well as pharmaceutical, biotechnology, commercial molecular diagnostic laboratories, and consumer genomics companies. The company markets and distributes its products directly to customers in North America, Europe, Latin America, and the Asia-Pacific region, as well as sells through life-science distributors in various markets within Europe, the Asia-Pacific region, Latin America, the Middle East, and Africa. It has a collaboration agreement with Geneseeq Technology Inc. to develop comprehensive in-vitro diagnostic (IVD) NGS testing kits for cancer. The company was incorporated in 1998 and is headquartered in San Diego, California.
Latest CSTL
- Pres. & Chief Exec. Officer Maetzold Derek J exercised 550 shares at a strike of $2.39 and sold $95,622 worth of shares (4,172 units at $22.92) as part of a pre-agreed trading plan (SEC Form 4)
- Castle Biosciences Announces New York State Department of Health Approval of its AdvanceAD-Tx™ Test
- Castle Biosciences to Release Second Quarter 2026 Financial Results and Host Webcast on Thursday, July 30, 2026
- Chief Operating Officer Oelschlager Kristen M sold $209,650 worth of shares (8,586 units at $24.42) as part of a pre-agreed trading plan, decreasing direct ownership by 28% to 21,874 units (SEC Form 4)
- Pres. & Chief Exec. Officer Maetzold Derek J sold $238,916 worth of shares (9,836 units at $24.29) as part of a pre-agreed trading plan and exercised 6,214 shares at a strike of $2.39 (SEC Form 4)
- SEC Form 144 filed by Castle Biosciences Inc.
- DecisionDx®-Melanoma's i31-SLNB Outperforms MIA Nomogram in Identifying Patients Who May Safely Forgo Sentinel Lymph Node Biopsy
- Roth Capital initiated coverage on Castle Biosciences with a new price target
- Castle Biosciences' Chief Financial Officer Frank Stokes Named a 2026 CFO Awards Honoree by the Houston Business Journal
- Castle Biosciences Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)
Latest ILMN
- Illumina expands Billion Cell Atlas program with new AI drug developers
- Illumina to Announce Second Quarter 2026 Financial Results on Thursday, July 30, 2026
- Illumina appoints Michael Sullivan Chief Commercial Officer and Julie Coletti Chief Legal Officer
- Director Meister Keith A. was granted 142 shares, increasing direct ownership by 2% to 6,780 units (SEC Form 4)
- Director Ullem Scott B. was granted 167 shares, increasing direct ownership by 2% to 11,030 units (SEC Form 4)
- Bernstein resumed coverage on Illumina with a new price target
- Chief Legal Officer Davies Scott M sold $110,700 worth of shares (615 units at $180.00), decreasing direct ownership by 3% to 20,953 units (SEC Form 4)
- Director Skovronsky Daniel was granted 1,674 shares (SEC Form 4)
- SEC Form 3 filed by new insider Skovronsky Daniel
- Illumina Inc. filed SEC Form 8-K: Leadership Update, Financial Statements and Exhibits