Companies / Quantum Computing Inc.
Quantum Computing Inc.
Nasdaq: QUBTCIK 1758009HOBOKEN, NJ
Financials · FY2025
Ownership
226.3M shares outstanding · as of Aug 7, 2026
Ownership
| Insiders | 0.02% | 44,246 |
| 10%+ / strategic | 14.09% | 31,886,830 |
| Institutions | 30.03% | 67,965,373 |
| Public float | 55.87% | 126,450,412 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 4
View all →| Insider | % of shares | Shares |
|---|---|---|
Roberts Christopher BruceFormerCFO and General Counsel | 0.50% | 1,123,038 |
Begliarbekov MilanFormerChief Operating Officer | 0.01% | 24,240 |
Fagenson Robert BDirector | <0.01% | 22,123 |
Turmelle Michael CDirector | <0.01% | 22,123 |
Institutional holders 303
View all →| Holder | Value | % of shares |
|---|---|---|
| $172.79M | 7.44% | |
| $172.02M | 7.83% | |
| $84.87M | 3.65% | |
| $47.74M | 2.17% | |
| $33.07M | 1.40% | |
| $32.20M | 2.08% | |
| $24.49M | 1.05% | |
| $22.89M | 0.99% | |
| $16.94M | 0.73% | |
| $16.65M | 0.72% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Mar 10, 2026 | Roberts Christopher Bruce Executive | Exercise | Common Stock | $2.74M | +400K +49.92% | 1,201,300 0.53% of shares | low |
| Mar 10, 2026 | Roberts Christopher Bruce Executive | Sell | Common Stock | $541.0K | -69K -5.74% | 1,132,398 0.50% of shares | medium |
| Apr 13, 2026 | Fagenson Robert B Director | Grant | Common Stock | $150.0K | +22K | 22,123 <0.01% of shares | low |
| Apr 13, 2026 | Turmelle Michael C Director | Grant | Common Stock | $150.0K | +22K | 22,123 <0.01% of shares | low |
| Dec 31, 2025 | Begliarbekov Milan Executive | Grant | Common Stock | $139.0K | +14K +100.00% | 27,100 0.01% of shares | low |
| Mar 11, 2026 | Roberts Christopher Bruce Executive | Sell | Common Stock | $73.5K | -9K -0.83% | 1,123,038 0.50% of shares | low |
| Jan 7, 2026 | Begliarbekov Milan Executive | Sell | Common Stock | $33.9K | -3K -10.55% | 24,240 0.01% of shares | low |
| Mar 10, 2026 | Roberts Christopher Bruce Executive | Exercise | Employee Stock Option (right to buy) | — | -400K -57.14% | 300,000 0.13% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
| Vanguard Group Inc | Passive13G/A | — |
| BlackRock, Inc. | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| QUBT | — | 74766W108 |