Quantum Computing Inc (QUBT)
Technology
Computer Hardware
8.10 $
+1.0%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Quantum Computing Inc (QUBT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 88.9% of the shares are freely tradable; institutional investors hold 42.4%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
42.4%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
11.9%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
88.9%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
29.4%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
226Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 7.47 | 16,841,423 | +38.1 | 12/31/2025 |
| BlackRock Inc | 7.16 | 16,139,212 | -3.1 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.89 | 8,762,295 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 2.98 | 6,710,124 | +0.0 | 03/31/2026 |
| Geode Capital Management, LLC | 2.08 | 4,700,305 | +3.0 | 03/31/2026 |
| State Street Corp | 2.00 | 4,516,820 | +4.0 | 03/31/2026 |
| Defiance ETFs, LLC | 1.99 | 4,495,083 | +41.4 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.84 | 6,413,384 | +0.2 | 04/30/2026 |
| Vanguard Information Technology ETF | 2.21 | 4,984,887 | +0.5 | 04/30/2026 |
| iShares Russell 2000 ETF | 2.14 | 4,817,789 | +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.