IONQ Inc (IONQ)
Technology
Computer Hardware
36.40 $
+1.9%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns IONQ Inc (IONQ)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.3% of the shares are freely tradable; institutional investors hold 55.8%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
55.8%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
0.7%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
99.3%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
13.6%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
373Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 9.32 | 34,774,743 | +18.5 | 12/31/2025 |
| BlackRock Inc | 8.00 | 29,870,942 | -0.7 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 5.67 | 21,159,892 | +8.1 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.12 | 15,389,580 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.04 | 15,064,048 | +0.0 | 03/31/2026 |
| Defiance ETFs, LLC | 2.60 | 9,702,302 | +1,155.2 | 03/31/2026 |
| State Street Corp | 2.48 | 9,270,862 | +3.4 | 03/31/2026 |
| Geode Capital Management, LLC | 2.26 | 8,440,065 | +4.5 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.82 | 10,517,615 | +0.2 | 04/30/2026 |
| iShares Russell 2000 ETF | 2.21 | 8,259,257 | +0.9 | 05/29/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.