Quest Diagnostics (DGX)$195.21
Market Cap: 19.82 BCurrency: USD
Research Snapshot
Static fundamentals, valuation context, and investor signals for Quest Diagnostics (DGX).
HEALTHCARE
DIAGNOSTICS & RESEARCH
DCF ready
Valuation
18.5x
EV/FCF, 5.4% FCF yield
Quality
7.7%
ROIC, 12.3% FCF margin
Growth
3.2%
5Y sales (revenue) CAGR
Balance sheet
0.8x
Debt/equity, 1.0x current ratio
Superinvestors
4
Top: Robert Olstein (1.5%)
Strengths to research
- Free cash flow margin is healthy at 12.3%.
- Debt/equity looks manageable at 0.8x.
- 4 tracked superinvestors report a position.
- 10 annual periods are available for trend analysis.
Watchouts
No major valuation, balance sheet, or growth watchouts were detected by the static screen.
Annual data: 10 periods
Quarterly data: 24 periods
Stock snapshot: May 25, 2026
Static dataset: May 25, 2026
Quality Scorecard
Build-time composite score for DGX.
Grade C
58
/ 100
Peer Comparison
Target stock against 8 market-cap comparable peers.
Heat map: red worst to green best
| DGX Target | Quest Diagnostics | $19.8B | 22.3x | 18.5x | 7.7% | 3.2% | 12.3% | N/A | 2.5x | N/A |
| LH | Labcorp Holdings Inc. | $20.7B | 24.8x | 16.7x | 10.2% | -0.0% | 8.6% | 28.8% | -0.3x | N/A |
| NTRA | Natera Inc. | $21.4B | -133.7x | 186.2x | -12.2% | 42.6% | 4.7% | N/A | N/A | N/A |
| MTD | Mettler-Toledo International Inc. | $22.7B | 26.2x | 29.2x | 42.1% | 5.5% | 21.1% | 59.4% | N/A | N/A |
| IQV | IQVIA Holdings Inc. | $26.9B | 21.4x | 12.1x | 20.9% | 7.5% | 12.6% | N/A | -0.6x | N/A |
| A | Agilent Technologies | $30.9B | 25.2x | 27.9x | 13.3% | 5.4% | 16.6% | N/A | 0.7x | N/A |
| ILMN | Illumina Inc. | $12.4B | 26.5x | 11.8x | 31.2% | 6.0% | 21.4% | 66.1% | -1.3x | N/A |
| ERFSF | Eurofins Scientific SE | $11.5B | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| ICLR | ICON plc | $11.4B | 12.3x | 9.7x | 8.3% | 24.2% | 13.5% | N/A | -0.3x | N/A |
Financial Charts
No financial data available for DGX (annual).
4 superinvestors own DGX
Current quarter ownership and quarter-over-quarter share changes.
Superinvestor ownership
| Fund | Shares | Value | % Portfolio | QoQ Change |
|---|---|---|---|---|
| Christopher Davis Davis Advisors | 1,617,813 | $317M | 1.46% | 0.0% |
| Robert Olstein Olstein Capital Management | 35,800 | $7M | 1.53% | 0.0% |
| First Eagle Investment Management First Eagle Investment Management | 3,000 | $588,000 | 0.00% | 0.0% |
| Lee Ainslie Maverick Capital | 2,756 | $540,000 | 0.01% | 0.0% |