--- title: "CASTLE BIOSCIENCES INC (CSTL) stock and investor profile" url: "https://aibio.space/companies/castle-biosciences/" publisher: "aibio.space (Biotech Investor Relations News)" summary: "CASTLE BIOSCIENCES INC (NASDAQ: CSTL), United States. Listing facts, related biotech companies and news on aibio.space." --- CSTL CASTLE BIOSCIENCES INC NASDAQ · United States # CASTLE BIOSCIENCES INC (CSTL) news CASTLE BIOSCIENCES INC is a public biotech or pharmaceutical company listed on NASDAQ under the ticker CSTL, recorded under United States. aibio.space tracks 2,820 public biotech companies worldwide and publishes investor news on them. ## Latest CASTLE BIOSCIENCES INC news We have not published a story on CASTLE BIOSCIENCES INC yet. When there is news, it will appear here. ## CASTLE BIOSCIENCES INC at a glance - **Ticker**: CSTL - **Listing**: NASDAQ - **Country**: United States - **Cash, Jun 30, 2026**: $266.8 million ### Related companies - [Insight Molecular Diagnostics](https://aibio.space/companies/insight-molecular-diagnostics/) NASDAQ: IMDX - [ALIGN TECHNOLOGY INC](https://aibio.space/companies/align-technology/) NASDAQ: ALGN - [FITLIFE BRANDS, INC.](https://aibio.space/companies/fitlife-brands/) NASDAQ: FTLF - [Polomar Health Services](https://aibio.space/companies/polomar-health-services/) OTC: PMHS - [AVITA Medical](https://aibio.space/companies/avita-medical/) NASDAQ: RCEL - [INTERPACE BIOSCIENCES, INC.](https://aibio.space/companies/interpace-biosciences/) OTC: IDXG - [Charlie's Holdings](https://aibio.space/companies/charlie-s/) OTC: CHUC - [NATURAL ALTERNATIVES INTERNATIONAL INC](https://aibio.space/companies/natural-alternatives-international/) NASDAQ: NAII ### Also on NASDAQ - [TRex Bio](https://aibio.space/companies/trex-bio/) TRXB - [Rapport Therapeutics](https://aibio.space/companies/rapport-therapeutics/) RAPP - [Dianthus Therapeutics](https://aibio.space/companies/dianthus-therapeutics/) DNTH - [Axsome Therapeutics](https://aibio.space/companies/axsome-therapeutics/) AXSM - [Quanterix](https://aibio.space/companies/quanterix/) QTRX - [TransMedics Group](https://aibio.space/companies/transmedics/) TMDX ## CASTLE BIOSCIENCES INC annual financials | Line | FY2025 | FY2024 | |---|---|---| | Revenue | [$344.2 million](https://www.sec.gov/Archives/edgar/data/1447362/000162828026012272/) | [$332.1 million](https://www.sec.gov/Archives/edgar/data/1447362/000162828026012272/) | | Research and development | [$51.9 million](https://www.sec.gov/Archives/edgar/data/1447362/000162828026012272/) | [$52.0 million](https://www.sec.gov/Archives/edgar/data/1447362/000162828026012272/) | | Net income (loss) | [-$24.2 million](https://www.sec.gov/Archives/edgar/data/1447362/000162828026012272/) | [$18.2 million](https://www.sec.gov/Archives/edgar/data/1447362/000162828026012272/) | | Cash from operations | [$64.3 million](https://www.sec.gov/Archives/edgar/data/1447362/000162828026012272/) | [$64.9 million](https://www.sec.gov/Archives/edgar/data/1447362/000162828026012272/) | | Cash and equivalents | [$116.7 million](https://www.sec.gov/Archives/edgar/data/1447362/000162828026051052/) | [$119.7 million](https://www.sec.gov/Archives/edgar/data/1447362/000162828026012272/) | | Short-term investments | [$182.8 million](https://www.sec.gov/Archives/edgar/data/1447362/000162828026051052/) | [$173.4 million](https://www.sec.gov/Archives/edgar/data/1447362/000162828026012272/) | Latest balance sheet, Jun 30, 2026 (10-Q): cash and equivalents $62.1 million, plus short-term investments of $204.7 million, $266.8 million in all. Figures as reported to the SEC in XBRL; each one links to its filing. Not adjusted, not investment advice. ## Questions about CASTLE BIOSCIENCES INC What is the ticker symbol of CASTLE BIOSCIENCES INC? CASTLE BIOSCIENCES INC trades under the ticker CSTL on NASDAQ. Where is CASTLE BIOSCIENCES INC listed? CASTLE BIOSCIENCES INC is listed on NASDAQ. Which country or territory is CASTLE BIOSCIENCES INC listed under? Our directory records CASTLE BIOSCIENCES INC under United States. Does aibio.space cover CASTLE BIOSCIENCES INC? aibio.space lists CASTLE BIOSCIENCES INC among 2,820 public biotech companies and publishes its news here as stories appear. What was CASTLE BIOSCIENCES INC's revenue last year? $344.2 million for the fiscal year ended Dec 31, 2025, as reported to the SEC. Is CASTLE BIOSCIENCES INC profitable? CASTLE BIOSCIENCES INC reported a net loss of $24.2 million for the fiscal year ended Dec 31, 2025, and generated $64.3 million of cash from operations, per its annual report to the SEC. How much does CASTLE BIOSCIENCES INC spend on research and development? $51.9 million in the fiscal year ended Dec 31, 2025, per its annual report. How much cash does CASTLE BIOSCIENCES INC have? $266.8 million in cash and short-term investments at Jun 30, 2026, per its 10-Q. ## Investor discussion: CASTLE BIOSCIENCES INC Members talk about CASTLE BIOSCIENCES INC (CSTL). Reader posts, not aibio.space reporting, and not investment advice. 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Information only, not investment advice. [Open NASDAQ:CSTL on TradingView](https://www.tradingview.com/symbols/NASDAQ-CSTL/). ## Listing details CASTLE BIOSCIENCES INC is a public biotech or pharmaceutical company listed on NASDAQ under the ticker CSTL, recorded under United States. aibio.space tracks 2,820 public biotech companies worldwide and publishes investor news on them. - **Company**: CASTLE BIOSCIENCES INC - **Ticker**: CSTL - **Listing**: NASDAQ - **Country or territory**: United States Listing facts come from our company directory, researched on October 22, 2026. A listing record does not certify that a security currently trades. [Tell us about a change](https://aibio.space/reputation/#update). Work at this company? [Claim this page](https://aibio.space/claim/). Published and maintained by aibio.space. Not investment advice. [How we work](https://aibio.space/disclosures/). Who manages this page **This page is managed by aibio.space.** The company does not run, edit or pay for this page. News, desk views and Investor Ranks are written and managed independently by aibio.space under our editorial and analytical judgment. Opinion only, not investment advice. [How we work](https://aibio.space/disclosures/#paid) · [Terms](https://aibio.space/terms/#news) · [Request a correction](https://aibio.space/reputation/#update) --- Source page: https://aibio.space/companies/castle-biosciences/. Facts in aibio.space stories are checked against company filings and releases; opinion is labelled. Cite as: aibio.space, "CASTLE BIOSCIENCES INC (CSTL) stock and investor profile", 2026-10-31, https://aibio.space/companies/castle-biosciences/