HomeIonQ, Inc. (IONQ) Market Cap

IonQ, Inc. (IONQ) Market Cap

Explore the company's latest market cap.

IonQ Market capitalization

As of 07 September 2026, IonQ market cap was $12.79B.

This places IonQ among the largest quantum computing stocks by market value.

Market cap (market capitalisation) is the total value of a company’s shares on the stock market – calculated by multiplying the number of outstanding shares by its current share price.

How has Ionq market cap changed recently?

Over the past seven days, Ionq market cap has decreased by -12.07%.

Over the past 12 months, it has increased by +66.55%

The company reached a 12-month high of $28.52B on 13 October 2025. With 347.43M shares outstanding, this equated to a share price of $82.09.

Its 12-month low came on 4 November 2024, when the market cap fell to $4.99B, implying a share price of $14.37 based on 347.43M shares.

Fiscal period-end Ionq market cap

The table below shows Ionq's market capitalisation at each fiscal quarter-end, providing a reference point for its valuation aligned with its financial reporting periods. This helps illustrate how the company's market value has evolved across different fiscal quarters.

Date	IONQ market cap (USD)	Change (%)
June 2025	$10.65B	+116.49%
March 2025	$4.92B	-45.59%
December 2024	$9.04B	+383.09%
September 2024	$1.87B	+25.87%
June 2024	$1.49B	-28.54%
March 2024	$2.08B	-17.98%
December 2023	$2.54B	-15.87%
September 2023	$3.01B	+10.84%
June 2023	$2.72B	+119.43%
March 2023	$1.24B	N/A

Market capitalisation of similar companies

The table below shows other leading companies in the same sector include Apple, HP, Xiaomi, and Sony.

Name	Market Capitalization
Apple	$4.75T
HP	$30.52B
Xiaomi	$714.98B
Sony	$22.54T

Data is sourced from public company disclosures, including SEC filings and EDGAR. It is provided for informational purposes only and does not constitute investment advice or a recommendation to trade. Figures are believed to be accurate at the stated dates but may change without notice.

Past performance is not a reliable indicator of future results. Share prices are indicative and may differ from live market prices.

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