Can RIGL's Oncology Portfolio Create Long-Term Value Beyond Tavalisse?

Core Insights - Rigel Pharmaceuticals (RIGL) is advancing its hematology and oncology pipeline, with Tavalisse being the primary revenue driver [1][2] Product Performance - Tavalisse, an oral spleen tyrosine kinase inhibitor, generated sales of $68.5 million in the first half of 2025, reflecting a 44% year-over-year increase [2][10] - Rezlidhia, the second FDA-approved product, reported sales of $13.1 million in the same period, up 31% year over year [3][10] - Gavreto was added to Rigel's portfolio in 2024, contributing incremental sales starting June 2024, which positively impacted the company's revenue in the first half of 2025 [5][10] Future Outlook - Rigel expects steady sales growth as it expands its commercial presence and enhances marketing efforts, projecting total revenues of $270-$280 million for 2025, up from a previous estimate of $200-$210 million [6] Pipeline Development - Rigel is conducting a phase Ib study for R289, a dual IRAK1 and IRAK4 inhibitor, in patients with lower-risk myelodysplastic syndrome (MDS), with plans to initiate the dose expansion phase in the second half of 2025 [8] - The company is also exploring Rezlidhia's application in other cancers with IDH1 mutations, which could serve as a significant growth catalyst [9] Competitive Landscape - The recent FDA approval of Sanofi's Wayrilz (rilzabrutinib) for chronic ITP poses a competitive threat to Tavalisse, despite differing mechanisms of action [11] - Other companies are also developing treatments that may compete with Rigel's marketed products, including Eli Lilly's Retevmo (selpercatinib) for cancer indications [12] Stock Performance and Valuation - Rigel's shares have increased by 70.2% year to date, outperforming the industry and the S&P 500 [13] - The company is trading at a price-to-sales (P/S) ratio of 1.94, below the industry average of 2.47 and its five-year mean of 2.21 [14] Earnings Estimates - The Zacks Consensus Estimate for 2025 earnings per share (EPS) has risen from $2.68 to $5.10 over the past 60 days, with 2026 EPS estimates increasing from $1.61 to $3.07 [17]