Quest Diagnostics Incorporated (DGX)

Sector: Healthcare|Industry: Diagnostics & Research|Market Cap: $16.96B|Employees: 48K


Quest Diagnostics is a leading provider of diagnostic information services, offering a wide range of laboratory tests to physicians, hospitals, and patients. The company's core business model focuses on providing high-quality, innovative, and convenient diagnostic testing insights, leveraging its extensive network and data assets. Quest Diagnostics has a significant market position in the U.S., serving a large portion of the adult population and healthcare providers.

  1. Filings

Filing Highlights

Financial Performance

Net revenues increased by 12.1% to $2,652 million for the three months ended March 31, 2025, from $2,366 million in the prior year. This growth was primarily driven by recent acquisitions, which contributed approximately 10.0% to Diagnostic Information Services (DIS) revenues and 13.3% to DIS volume.

Operating income increased by 15.4% to $346 million in Q1 2025 from $300 million in Q1 2024, improving the operating margin to 13.0% from 12.7%. Net income attributable to Quest Diagnostics also rose by 13.2% to $220 million, despite a 56.0% increase in net interest expense to $67 million due to new senior notes.

Net cash provided by operating activities more than doubled, increasing by $160 million to $314 million in Q1 2025 from $154 million in Q1 2024. This substantial improvement was attributed primarily to the timing of payments and increased operating income.

Growth & Strategy

Management Execution

Risk Factors

Competitive Position

Operational Efficiency

Innovation & Technology

Capital Allocation

ESG initiatives

Market Environment