Company Description
GRAIL, Inc. (NASDAQ: GRAL) is a healthcare company in the diagnostics and research sector whose stated mission is to detect cancer early, when it can be cured. According to the company, it focuses on alleviating the global burden of cancer by applying next-generation sequencing, population-scale clinical studies, and state-of-the-art machine learning, software, and automation to detect and identify multiple deadly cancer types at earlier stages. GRAIL is headquartered in Menlo Park, California, with additional locations in Washington, D.C., North Carolina, and the United Kingdom.
Business focus and operating model
GRAIL operates in one reportable operating segment that provides multi-cancer early detection testing and related services. The company has developed a targeted methylation-based platform that is used to analyze blood samples for cancer signals. This platform is described by GRAIL as supporting the continuum of care for screening and precision oncology, including multi-cancer early detection in symptomatic patients, risk stratification, minimal residual disease detection, biomarker subtyping, treatment monitoring, and recurrence monitoring.
A central offering highlighted in GRAIL’s public disclosures is the Galleri multi-cancer early detection (MCED) blood test. Galleri is described as a proactive screening tool that uses a simple blood draw to identify DNA shed by cancer cells, which can act as a unique "fingerprint" of cancer. When a cancer signal is detected, the test also provides a cancer signal of origin (CSO) prediction to indicate where in the body the cancer signal is most likely coming from, which can help guide diagnostic evaluation. The Galleri test requires a prescription from a licensed healthcare provider and is intended to be used in addition to guideline-recommended cancer screenings such as mammography, colonoscopy, prostate-specific antigen (PSA) testing, or cervical cancer screening.
Technology and clinical evidence
GRAIL emphasizes that its MCED approach is based on targeted methylation patterns in cell-free DNA, analyzed with next-generation sequencing and machine learning. The company reports that Galleri can detect signals from many deadly cancers, including cancers for which there are no recommended standard-of-care screening options. In multiple company communications, GRAIL states that Galleri can detect more than 50 types of cancer before symptoms appear, and that a substantial share of cancers detected by Galleri in clinical studies were found at earlier stages.
The company’s platform and test performance have been evaluated in large clinical studies described in its news releases, including the PATHFINDER 2 study and the SYMPLIFY study. PATHFINDER 2 is characterized as a prospective, multi-center, interventional study in adults aged 50 and older who are eligible for guideline-recommended cancer screening in the United States and Canada. GRAIL reports that adding Galleri to recommended screenings for breast, cervical, colorectal, and lung cancers led to a more than seven-fold increase in the number of cancers found within a year in the analyzed cohort, with more than half of new cancers detected at stage I or II and more than two-thirds at stages I–III. The company also reports high specificity and a low false positive rate, as well as high accuracy of cancer signal origin prediction, which it states contributed to efficient diagnostic workups.
The SYMPLIFY study, sponsored by the University of Oxford and funded in part by GRAIL, is described as the first large-scale evaluation of an MCED test in symptomatic individuals referred from primary care with suspicion of cancer. In an extended registry follow-up, GRAIL and the University of Oxford report that a portion of participants initially considered to have false positive Galleri results were later diagnosed with cancer, which increased the positive predictive value of the test in that symptomatic population. The company highlights that in most of these cases the cancer signal origin prediction aligned with the eventual diagnosis.
Galleri test positioning and intended use
According to GRAIL, the Galleri test is recommended for adults with an elevated risk for cancer, such as those aged 50 or older. The company states that the test does not detect all cancers and that a "No Cancer Signal Detected" result does not rule out cancer. A "Cancer Signal Detected" result requires confirmatory diagnostic evaluation using established medical procedures, and both false positive and false negative results can occur. GRAIL notes that its clinical laboratory is certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA) and accredited by the College of American Pathologists, and that the Galleri test has not been cleared or approved by the U.S. Food and Drug Administration. The test is intended for clinical purposes and is regulated under CLIA as high-complexity testing.
GRAIL’s disclosures also describe Galleri as the only available MCED test with demonstrated performance in patients screened for cancer in an interventional study population, based on the outcomes of its clinical trials. The company reports that in these studies Galleri increased the number of cancers detected when added to existing screening and maintained a low false positive rate, while providing cancer signal origin predictions that were accurate in a high proportion of confirmed cancer cases.
Geographic footprint and collaborations
GRAIL reports operations in the United States and the United Kingdom, with its headquarters in Menlo Park, California and additional locations in Washington, D.C., North Carolina, and the U.K. In its public announcements and SEC filings, the company also describes collaborations intended to expand access to Galleri. For example, GRAIL has announced a collaboration with Medcan in Canada, under which access to the Galleri test is available at Medcan clinics and through an arrangement with Manulife Canada for eligible life insurance customers. The company has also disclosed a strategic collaboration framework with Samsung entities, including a stock purchase agreement and a planned business collaboration agreement that contemplates Samsung C&T having exclusive rights to commercialize the Galleri test in Korea and potential rights in other Asian markets, subject to regulatory and contractual conditions.
Capital markets activity and listing
GRAIL’s common stock trades on the Nasdaq Stock Market under the ticker symbol "GRAL". The company has characterized itself as an emerging growth company in its SEC filings. Recent Form 8-K filings describe capital-raising activities, including a private placement of common stock and pre-funded warrants to institutional investors and an equity distribution agreement that permits at-the-market offerings of common stock through designated sales agents. These transactions are described by GRAIL as supporting its commercial activities, reimbursement efforts, and general corporate purposes.
Facilities and corporate development
In an 8-K filing, GRAIL disclosed that it entered into a commercial lease for a new corporate headquarters in Sunnyvale, California, with a long-term lease term and options for expansion and renewal. The company describes this as a lease for a new headquarters location, which indicates plans for expanded or relocated corporate facilities within California.
Risk and regulatory considerations
GRAIL’s public communications and SEC filings include cautions about forward-looking statements and emphasize that the Galleri test is not a replacement for existing guideline-recommended screenings. The company notes that test results must be interpreted by healthcare providers in the context of each patient’s medical history, clinical signs, and symptoms, and that further diagnostic evaluation is required when a cancer signal is detected. GRAIL also highlights that its non-GAAP financial measures, such as Adjusted Gross Profit and Adjusted EBITDA, are supplemental to GAAP results and are used by management to assess operational performance.
Summary
Overall, GRAIL, Inc. presents itself as a healthcare diagnostics company focused on multi-cancer early detection through a targeted methylation-based blood testing platform. Through its Galleri test, large-scale clinical studies, and collaborations in North America and planned collaborations in Asia, the company aims to support earlier detection of multiple deadly cancer types and to integrate MCED testing into the broader framework of cancer screening and precision oncology.
Stock Performance
Grail (GRAL) stock last traded at $52.16, down 0.21% from the previous close. Over the past 12 months, the stock has gained 83.7%. At a market capitalization of $2.1B, GRAL is classified as a mid-cap stock with approximately 41.0M shares outstanding.
Latest News
Grail has 10 recent news articles. Of the recent coverage, 4 articles coincided with positive price movement and 6 with negative movement. Key topics include management, earnings, earnings date. View all GRAL news →
SEC Filings
Grail has filed 5 recent SEC filings, including 3 Form 4, 1 Form 144, 1 Form 10-K. The most recent filing was submitted on March 12, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all GRAL SEC filings →
Insider Radar
Insider selling at Grail over the past 90 days can reflect routine portfolio management, scheduled trading plans (Rule 10b5-1), tax planning, or compensation-related dispositions rather than a directional view on the stock.
Financial Highlights
Grail generated $147.2M in revenue over the trailing twelve months, operating income reached -$562.2M (-382.0% operating margin), and net income was -$408.4M, reflecting a -277.5% net profit margin. Diluted earnings per share stood at $-11.11. The company generated -$299.0M in operating cash flow. With a current ratio of 11.97, the balance sheet reflects a strong liquidity position.
Upcoming Events
CEO succession
Board membership ends
RSU first vesting
25% RSU vesting
25% RSU vesting
Senior advisor term ends
25% RSU vesting
25% RSU vesting
Grail has 15 upcoming scheduled events. The next event, "RSU vesting", is scheduled for May 31, 2026 (in 65 days). 8 of the upcoming events are financial in nature, such as earnings calls or quarterly results. Investors can track these dates to stay informed about potential catalysts that may affect the GRAL stock price.
Short Interest History
Short interest in Grail (GRAL) currently stands at 5.1 million shares, down 5.2% from the previous reporting period, representing 13.0% of the float. This moderate level of short interest indicates notable bearish positioning. The 5.3 days to cover indicates moderate liquidity for short covering.
Days to Cover History
Days to cover for Grail (GRAL) currently stands at 5.3 days, down 31.6% from the previous period. This moderate days-to-cover ratio suggests reasonable liquidity for short covering, requiring about a week of average trading volume. The ratio has shown significant volatility over the period, ranging from 3.4 to 8.0 days.
GRAL Company Profile & Sector Positioning
Grail (GRAL) operates in the Diagnostics & Research industry within the broader Services-medical Laboratories sector and is listed on the NASDAQ.
Investors comparing GRAL often look at related companies in the same sector, including Twist Bioscience (TWST), Neogen Corp (NEOG), Opko Health (OPK), Neogenomics Inc (NEO), and Caredx (CDNA). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate GRAL's relative position within its industry.