Shares Outstanding for IonQ (IONQ)
According to IonQ's latest reported financial statements, the company's latest reported diluted shares outstanding is 371.23M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
IONQ
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Latest period
371.23M
YoY change
+31.6%
5Y CAGR
+7.8%
Peak year (2025)
280.35M
Latest annual
280.35M
Shares Outstanding history chart for IonQ (IONQ) from 2019 to 2025
Shares Outstanding history table for IonQ (IONQ) from 2019 to 2025
| Fiscal year | Period ended | Reported | Shares Outstanding | YoY | YoY change |
|---|---|---|---|---|---|
| 2025 | 280.35M | +31.6% | +67.32M | ||
| 2024 | 213.03M | +5.2% | +10.45M | ||
| 2023 | 202.58M | +2.5% | +4.85M | ||
| 2022 | 197.73M | +1.9% | +3.67M | ||
| 2021 | 194.06M | +0.8% | +1.57M | ||
| 2020 | 192.49M | +4731.2% | +188.50M | ||
| 2019 | 3.98M | — | — |
Shares Outstanding values are taken from IonQ's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
IonQ (IONQ) most recent annual diluted shares outstanding stands at 280.35M (2025) – surged 31.6% year-over-year.
Looking at the 2020–2025 (5 years) stretch, IonQ diluted shares outstanding compounded at +7.8% per year, sustaining 6 straight years of year-over-year growth.
280.35M stands as the all-time-high annual diluted shares outstanding, posted in 2025, against a low of 3.98M during 2019.
Among 8 Technology peers, IonQ (IONQ) ranks 9th; the peer median for diluted shares outstanding is 5.02B.
IonQ Shares Outstanding by Year
IonQ Shares Outstanding 2025: 280.35M
IonQ diluted shares outstanding in 2025 was 280.35M, surged 31.6% from 2024. This figure represents the highest annual value in the available history.
IonQ Shares Outstanding 2024: 213.03M
IonQ diluted shares outstanding in 2024 was 213.03M, grew 5.2% from 2023.
IonQ Shares Outstanding 2023: 202.58M
IonQ diluted shares outstanding in 2023 was 202.58M, edged up 2.5% from 2022.
IonQ Shares Outstanding 2022: 197.73M
IonQ diluted shares outstanding in 2022 was 197.73M, edged up 1.9% from 2021.
IonQ Shares Outstanding 2021: 194.06M
IonQ diluted shares outstanding in 2021 was 194.06M.
See more financial history for IonQ (IONQ).
Sector peers — Shares Outstanding
Companies in the same sector as IonQ, ranked by their latest diluted shares outstanding.
| Company | Shares Outstanding | Sector |
|---|---|---|
| NVIDIA (NVDA) | 24.43B | Technology |
| Apple (AAPL) | 15.00B | Technology |
| Microsoft (MSFT) | 7.46B | Technology |
| TSMC (TSM) | 5.19B | Technology |
| Broadcom (AVGO) | 4.85B | Technology |
| AMD (AMD) | 1.64B | Technology |
| Micron Technology (MU) | 1.13B | Technology |
| ASML (ASML) | 388.90M | Technology |
Frequently asked questions
What is IonQ's diluted shares outstanding?
Latest reported diluted shares outstanding for IonQ (IONQ) is 371.23M (period ending March 31, 2026).
How has IonQ diluted shares outstanding changed year-over-year?
IonQ (IONQ) diluted shares outstanding changed +31.6% year-over-year on the latest annual filing.
What is the long-term growth rate of IonQ diluted shares outstanding?
IonQ (IONQ) diluted shares outstanding compound annual growth rate is +7.8% over the most recent 5 years available.
When did IonQ diluted shares outstanding hit its highest annual value?
IonQ diluted shares outstanding reached its highest annual value of 280.35M in 2025.
What was IonQ diluted shares outstanding in 2024?
IonQ (IONQ) diluted shares outstanding in 2024 was 213.03M.
What was IonQ diluted shares outstanding in 2025?
IonQ (IONQ) diluted shares outstanding in 2025 was 280.35M.
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