Helmy Eltoukhy
Analyst · BTIG
Thanks, Zarak. Good afternoon, and thank you for joining our second quarter 2025 earnings call. Starting on Slide 3. Q2 marked another exceptional quarter for Guardant. We continue to build momentum across oncology, biopharma and screening business lines, including accelerating therapy selection and MRD volume growth, record biopharma sales and quickly scaling Shield volumes and revenues. Product innovation built on Smart Liquid Biopsy combined with strong commercial execution were integral to the strong performance in the second quarter. I'll walk through some of the key highlights of the quarter in just a moment. But first, as always, I would like to start with a powerful story that demonstrates the impact our test can have on patients around the world. Last August, a 46-year-old woman was diagnosed with Stage III endometrial carcinoma. Once it became clear that her cancer was progressing, her oncologists ordered a Guardant360 Tissue test to help identify potential treatment options beyond the standard of care. Guardant360 Tissue had just gone through a major upgrade to incorporate comprehensive DNA and RNA, and oncologists ordered both results. The test identified a RET fusion, an actionable biomarker that made her eligible for a targeted therapy she likely would not have received based on her initial diagnosis alone. I'm glad to be able to share that she has responded positively to this treatment and is doing well today. This case is a powerful example of how comprehensive molecular profiling through our recently upgraded Guardant360 Tissue test can help guide treatment decisions and improve patient outcomes. Turning to top line performance on Slide 4. Q2 revenue grew 31% year-over-year to $232 million with strong performance across our oncology, screening and biopharma and data businesses. Starting with our oncology business on Slide 5. Roughly half of the overall year-over-year revenue growth in Q2 came from the oncology business with revenue increasing 22% to $159 million. Oncology volumes increased 30% year-over-year to approximately 64,000 tests in the second quarter with the majority of growth driven by Guardant360 Liquid, again, closely followed by a strong contribution from Reveal. Looking more closely at some of the recent highlights within our oncology business on Slide 6. We saw continued volume growth across all oncology tests this quarter with particularly strong performance from Guardant360 Liquid, where year-over-year growth accelerated for the fourth consecutive quarter and was over 20% in Q2. We continue to believe that the steady cadence of new app introductions powered by Smart Liquid Biopsy has been instrumental to the accelerating growth profile of Guardant360 Liquid. In late May, as part of the lead-up to ASCO 2025, we introduced 11 groundbreaking Smart Liquid Biopsy applications for Guardant360 Liquid, significantly expanding the clinical utility and further extending our technical leadership in the liquid CGP market. I'll walk through some of these applications in more detail shortly. Guardant360 Tissue continues to be our second fastest-growing oncology product and is even better positioned today to accelerate following the major upgrade in April, which we believe make it a best-in-class product. As a reminder, the recent improvements expand the panel to include RNA and broad methylome analysis powered by our Smart Liquid Biopsy platform and enable readouts with 40% less slides than the industry norm, which we believe is an important differentiator. We are also excited to report for the first time that Guardant360 Tissue ASP was approximately $2,000 in Q2, achieving our 2028 target 3 years ahead of schedule. For Reveal, we made great progress with data generation and publications. We recently submitted our Reveal breast cancer data package to MolDx for Medicare reimbursement, and the first publication of immuno-oncology therapy monitoring data under Reveal was published this week. In May, we continued to augment our offering with the launches of Guardant Hereditary Cancer testing and a suite of immunohistochemistry or IHC tests. These additions bring us closer to becoming a one-stop shop for oncologists, providing insights across the patient journey. Turning to Slide 7. At the annual ASCO meeting in early June, results from the landmark SERENA-6 trial sponsored by AstraZeneca were featured in a high-profile plenary session. This was the first pivotal trial to use a ctDNA-guided approach to detect and treat emerging resistance in first-line therapy ahead of disease progression in breast cancer. Guardant360 was the exclusive companion liquid biopsy used in the trial for this monitoring application. Feedback from KOLs during and after ASCO was incredibly positive, and we look forward to camizestrant potentially becoming a new option for breast cancer patients. This important new paradigm involving frequent Guardant360 testing in order to quickly detect the emergence of resistance mutations has potential to change clinical practice and improve outcomes for patients with advanced breast cancer. With a prevalence pool of approximately 40,000 patients in the U.S., this new application of Guardant360 has the potential to drive significant incremental Guardant360 revenue in 2026 and beyond. Moving on to Slide 8. We have built a powerful real-world evidence platform utilizing over 100,000 genomic and broad epigenomic profiles across more than 50 cancer types. By combining the multiomic profiling capabilities of our Infinity platform with the analytical power of our Infinity AI learning engine, we are driving the development of first-of-the-kind clinical applications that are setting a new standard in precision oncology. Turning to Slide 9. Since July of last year, Guardant360 has delivered accelerating growth each quarter, fueled by our Guardant Infinity smart liquid biopsy platform. In Q2 alone, we launched nearly a dozen groundbreaking new apps, greatly expanding the utility of Guardant360 Liquid. The latest wave of new apps include complementary genomic features, which add an even higher resolution view of tumor biology, helping health care providers to make smarter, more personalized treatment decisions even when tissue isn't available for analysis. Among the many newly launched applications are: cancer subtype classification using tumor-specific methylation signatures to complement and enhance standard testing methods; cancer site of origin identification when the primary site is unknown, guiding better diagnosis and therapy; advanced negative prediction to confidently identify wild-type patients; and pharmacogenomic profiling to identify genetic variations that impact the safety and efficacy of commonly used anticancer therapies. Now shifting gears to Reveal on Slide 10, where we are the leader in tissue-free MRD. Over the last few months, we have continued to generate and publish compelling data on Reveal across a number of cancer types. As I mentioned earlier, the Reveal breast reimbursement submission has been made to MolDX, and the IO monitoring study just published will support reimbursement submission for this application in the near future. Starting with Slide 11. We are excited to announce a new breast cancer publication in ESMO Open highlighting the performance of Reveal. This retrospective study evaluated 95 patients who are diagnosed with early-stage ER-positive HER2-negative or triple- negative breast cancer undergoing chemotherapy prior to surgery. Notably, nearly 40% of patients had minimal or no residual tumor following neoadjuvant chemotherapy, demonstrating the value of Reveal's tissue-free approach. Reveal showed strong performance with 100% sensitivity for distance recurrence in patients with ER-positive HER2-negative breast cancer, 100% specificity and 100% positive predictive value for relapse and an overall sensitivity of 71%. These results, combined with the data recently published in Clinical Cancer Research, further validate Reveal's potential to transform neoadjuvant and post- treatment surveillance strategies with the ultimate goal of improving patient outcomes. Moving on to Slide 12. I am proud to share the RADIOHEAD Reveal immuno-oncology monitoring study, which involved 521 stage IV pan-cancer patients treated with standard of care immunotherapy, was published in Cancer Research Communications, a journal of the American Association of Cancer Research. This study demonstrated that any decrease in Reveal tumor fraction signal in the study was significantly associated with improved patient outcomes. Additionally, Reveal identified nonresponders more than 3 months and as many as 5 months before disease progression was visible on standard imaging. Turning to Slide 13. At this year's ASCO Annual Meeting, data from the largest study to date using ctDNA in stage III colon cancer further validated the clinical utility of Reveal. This Phase III study involved over 2,000 patients evaluated with a median follow-up of 6.1 years showed that ctDNA detected after surgery and before chemotherapy is a powerful predictor of recurrence and survival. Among patients with detectable ctDNA, 63% experienced recurrence within 3 years compared to just 15% of those without detectable ctDNA. These findings strongly support the routine use of Guardant Reveal to stratify patients by risk, inform adjuvant therapy decisions and ultimately improve outcomes. We have made strong progress over the last few months in MRD. Reveal volume growth accelerated in the second quarter on a year- over-year basis, consistent with our expectations, and we continue to have an extensive pipeline of clinical cohorts to further support clinical utility and analytical validity for Reveal. Turning now to Slide 14. Our oncology business is well positioned for durable growth, supported by continued CGP penetration, favorable ASP dynamics and international expansion. Guardant360 Liquid and Guardant360 Tissue are seeing increased adoption driven by the recently expanded genomic and epigenomic breadth of our platform, which is unlocking greater clinical utility and driving share gains. With a redoubled commercial focus on Reveal following major COGS improvements in Medicare CRC surveillance reimbursement earlier this year, the business is primed for strong growth in MRD. Looking more closely at some of the recent highlights within our biopharma and data business on Slide 15. We delivered a record quarter for our biopharma business, achieving all-time highs in both volume and revenue with second quarter revenue growing 28% year-over-year. We continue to deepen our relationship with large pharma and signed 2 new companion diagnostic deals in Q2. We continue to have a robust and growing pipeline of partnerships, and near-term revenue visibility remains high. Of note, our biopharma volume mix continues to skew towards methylation analysis on Infinity powered by our Smart Liquid Biopsy platform. With that, I will now turn the call over to AmirAli for an update on screening.