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IonQ, Inc.
IONQ
Market cap$16.71 B
Rank#689
Filings577
Market capitalization of IonQ, Inc.
As of 2026-07-09, IonQ, Inc. (IONQ) has a market capitalization of $16.71 B, making it the #689 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-07-09 | $16.71 B |
| 2026-07-08 | $16.83 B |
| 2026-07-07 | $16.82 B |
| 2026-07-06 | $18.32 B |
| 2026-07-05 | $18.34 B |
| 2026-07-04 | $18.34 B |
| 2026-07-03 | $18.34 B |
| 2026-07-02 | $18.23 B |
| 2026-07-01 | $20.39 B |
| 2026-06-30 | $20.01 B |
| 2026-06-29 | $19.82 B |
| 2026-06-28 | $18.41 B |
Market Cap of similar companies
Frequently asked questions
What is IonQ, Inc.'s market cap?
As of 2026-07-09, IonQ, Inc. (IONQ) has a market capitalization of $16.71 B, making it the #689 most valuable US-listed company.
Where does IonQ, Inc. rank by market cap?
IonQ, Inc. is the #689 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.