Illumina Has Acquired GRAIL and Ushered In A New Era of Cancer Detection

Illumina has acquired GRAIL for a cash and stock consideration of $8 billion. In addition, GRAIL shareholders will also receive future payments representing a tiered single digit percentage of certain GRAIL-related revenues.  Illumina will continue to operate GRAIL separately from Illumina’s existing business.

This is an exciting moment for both Illumina and GRAIL, and most importantly patients. By re-uniting the two organizations, Illumina and GRAIL will accelerate the global adoption of NGS-based multi-cancer early detection tests, increase accessibility, and improve patient outcomes.

Cancer kills around 10 million people annually worldwide and 600,000 people in the United States alone. Survival rates are higher when cancer is detected early. Seventy-one percent of all deadly cancers do not currently have a screening test. GRAIL’s Galleri test is able to detect more than 50 cancers across all stages, more than 45 of which do not have recommended screening in the United States. And, in 89 percent of the positive results, the test correctly identified the tissue of origin – all with a specificity of 99.5 percent.

Accelerates Adoption of NGS-Based Early Multi-Cancer Detection Test to Reach More Patients Faster

Illumina will leverage its global scale, manufacturing and clinical capabilities to lead GRAIL’s commercialization efforts, realize the total addressable market potential and drive significant growth in the clinical value chain.

Enhances Illumina’s Position in Clinical Genomics 

NGS is poised to revolutionize oncology care, and this acquisition allows Illumina to participate more fully in the high value clinical solutions that are enabled by its NGS sequencing technology.  With GRAIL, Illumina will continue as a leading sequencing innovator and partner, while also becoming a proprietary test provider.

Detecting Cancer Early, When it Can be Cured

71% of cancer-related deaths are in cancers with no recommended screening

Source: SEER Program ( *Stat Database: Incidence – SEER 18 Regs Research Data, Nov 2018 Sub. Includes persons aged 50-79 diagnosed 2006-2015 “Early/Localized” includes invasive localized tumors that have not spread beyond organ of origin, “Late/Metastasized” includes invasive cancers that have metastasized beyond the organ of origin to other parts of the body. Noone AM, Howlader N, Krapcho M, et al. (eds). SEER Cancer Statistics Review, 1975-2015, National Cancer Institute, Bethesda, MD,, based on November 2017 SEER data submission, posted to the SEER website April 2018.

Beating Cancer Starts with Finding It

Introducing GalleriTM

LDT Launched 2021


Required Blood Draws


Positive Predictive Value (modeled)


Sensitivity for All Cancers (Stages 1-3)1


Cancers Detected


Tissue of Origin Accuracy



1 Based on current trial status

In 2021, GRAIL published positive results from its Circulating Cell-free Genome Atlas (CCGA) study that enrolled more than 15,000 participants. The study found that Galleri reported sensitivity of 16.8%, 40.4% and 77.0% for stage I-III tumors, respectively, and 67.6% stage I-III sensitivity for the 12 deadliest cancers that account for approximately two-thirds of annual USA cancer deaths and 40.7% stage I-III sensitivity in all cancers. Further, Galleri was able to detect over 50 types of cancers across all stages, more than 45 of which do not have recommended screening in the US. And in 88.7% of the positive results, the test correctly identified the cancer signal of origin, or where the cancer originated from in the body – all with a low false positivity rate of less than 1%.

Galleri was introduced in 2021 as a laboratory developed test for early cancer detection. Galleri, which requires a prescription, is available initially through partner health systems, medical practices, and self-insured employers.

Meets Patient, Physician & Payor Needs

Screens for 50+ Cancers

Galleri can detect more than 50 cancers across all stages, of which 45 do not have recommended screening in the U.S. This 10x increase in the types of cancers that can be screened could help avert nearly 40% of the 5-year cancer mortality, or nearly 100,000 annual deaths in the U.S.1

Identifies More Early Stage Cancers

Without the use of blood-based testing, it is estimated only 31% of cancers are identified in stages 1 and 2, when they are most treatable. Based on analysis of GRAIL’s studies to date, this could increase to 82% with broad adoption of Galleri in addition to recommended single-cancer screening.2

Identifies Cancer Location to
Inform Next Steps

With 88.7% accuracy in identifying tissue of origin, this allows physicians to simplify their diagnostic workup and more rapidly determine the appropriate cancer treatment.

Improves Outcomes

Today, 71% of cancer-related deaths are in cancers with no recommended screening. With limited screening, cancer is more likely to be detected in late stages but when we diagnose cancer too late, less than 20% of patients will survive more than 5 years. In contrast, if we diagnose cancer early, approximately 90% of patients are expected to survive beyond five years.3

Up to 65% Reduction in Cost

Galleri has the potential to more efficiently identify cancers and reduce overall diagnostic workup costs.4  We estimate that ~44% of patients who are tested positive will have cancer. This represents a very significant step forward compared to today’s most commonly used screening tests, which often have a positive predictive value in the 3 to 5% range.

1 Clarke et al. Cancer Epidemiology, Biomarkers, & Prevention 2020
2 Modeled based on GRAIL’s recent data from ESMO 2019 and SEER cancer registry
3 Surveillance, Epidemiology, and End Results (SEER) Program (
4 Diagnostic workup cost estimates include downstream costs + initial screening test

Illumina Will Continue to Enable, Partner and Supply Customers

GRAIL will operate as a separate division

Existing Illumina business will operate separately

Continued access to innovation

Support and enable the work of our clinical customers

Over the last four years, GRAIL’s talented team has made exceptional progress in developing the technology and clinical data required to launch the Galleri multi-cancer screening test. Galleri is among the most promising new tools in the fight against cancer, and we are thrilled to welcome GRAIL back to Illumina to help transform cancer care using genomics and our NGS platform. Together, we have an important opportunity to introduce routine and broadly available blood-based screening that enables early cancer detection when treatment can be more effective and less costly. Multi-cancer early detection is better for patients, their physicians, and payors. As we accelerate our path to clinical leadership and the path to multi-cancer early detection, we will continue to drive significant value creation for our shareholders.

Francis deSouzaCEO, Illumina

I’m honored to lead the talented team at GRAIL as we advance the mission to detect cancer early when it can be cured. Our multi-cancer early detection technology addresses a tremendous unmet need and can reduce the cancer burden worldwide. Combining forces with Illumina will enable broader, faster adoption of GRAIL’s innovative Galleri blood test, enhancing patient access and expanding global reach.

Bob RagusaCEO, GRAIL