← All companies
QUEST DIAGNOSTICS INC
DGX - CIK 0001022079
Market cap$22.76 B
Rank#569
SEC filings2,372
Market capitalization of QUEST DIAGNOSTICS INC
As of 2026-06-11, QUEST DIAGNOSTICS INC (DGX) has a market capitalization of $22.76 B, making it the #569 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-11 | $22.76 B |
| 2026-06-10 | $22.56 B |
| 2026-05-29 | $21.69 B |
| 2026-05-28 | $21.47 B |
| 2026-05-26 | $21.38 B |
| 2026-05-25 | $21.61 B |
| 2026-05-24 | $21.61 B |
| 2026-05-22 | $21.61 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is QUEST DIAGNOSTICS INC's market cap?
As of 2026-06-11, QUEST DIAGNOSTICS INC (DGX) has a market capitalization of $22.76 B, making it the #569 most valuable US-listed company.
Where does QUEST DIAGNOSTICS INC rank by market cap?
QUEST DIAGNOSTICS INC is the #569 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.