DOCS vs. IRTC: Who Will Win High-Stakes AI Showdown in Digital Health?

Core Insights - Doximity (DOCS) and iRhythm Technologies (IRTC) are prominent players in AI-powered healthcare, with Doximity focusing on clinician engagement and workflow, while iRhythm specializes in AI-driven cardiac monitoring [2][4] - Doximity reported fiscal 2025 revenues of $570.4 million, a 20% increase year-over-year, and a 48% rise in operating cash flow [2] - iRhythm Technologies achieved full-year 2024 revenues of $591.8 million, reflecting a 20.1% year-over-year growth [3] Company Overview - Doximity serves over 80% of U.S. physicians with a platform that includes telehealth and workflow tools [5] - iRhythm Technologies focuses on AI-driven cardiac monitoring through its Zio platform, which provides clinically validated diagnostics [5] Financial Performance - Doximity's fourth quarter of fiscal 2025 saw revenues of $138.3 million and net income of $62.5 million, with a 56% increase in free cash flow [7] - iRhythm's first-quarter 2025 revenues reached $158.7 million, a 20.3% year-over-year increase, despite a net loss of $30.7 million [10] Stock Performance - Year-to-date, Doximity's share price increased by 6.9%, while iRhythm's surged by 61.4% [6][9] - Doximity's stock performance is impacted by risks related to drug-pricing reforms and changes in pharmaceutical advertising budgets [6] AI Integration - Doximity has integrated AI into clinical workflows, notably with Doximity GPT, which automates documentation [11] - iRhythm employs AI for diagnostics through its Zio platform, supported by the ZEUS AI system for interpreting cardiac data [13] Growth Outlook - Doximity anticipates fiscal 2026 revenues between $619 million and $631 million, with adjusted EBITDA of $333-$345 million [14] - iRhythm raised its revenue outlook for the full year to $690-$700 million, with EBITDA margins projected at 7.5-8.5% [14] Investment Appeal - Doximity is viewed as a stable investment with profitability and a large user base, appealing to risk-averse investors [19] - iRhythm presents a higher-risk, higher-reward opportunity driven by innovative diagnostics and expanding clinical applications [19]