Institutional Ownership
Quantum Computing Inc
CUSIP 74766W108COMQUBTQ1 2026
13D / 13G Filings
16
Schedule 13D/13G on record
Beneficial Filers
9
Distinct reporting persons
Largest Stake
45.0%
Max % of class reported
Institutional Holders
287
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
16 filings · latest Jan 30, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Jan 30, 2026 | The Vanguard Group | 13G/A | 7.5% | 16.84M | SEC |
| 2 | Jan 21, 2026 | Blackrock, Inc. | 13G/A | 6.7% | 15.05M | SEC |
| 3 | Oct 17, 2025 | Blackrock, Inc. | 13G | 5.4% | 10.10M | SEC |
| 4 | Oct 2, 2025 | Citadel Advisors LLC | 13G | 4.9% | 9.24M | SEC |
| 5 | Jul 29, 2025 | The Vanguard Group | 13G | 6.4% | 9.91M | SEC |
| 6 | Oct 18, 2022 | Huang Yuping | 13D/A | 45.0% | 24.05M | SEC |
| 7 | Jun 27, 2022 | Huang Yuping | 13D | 13.4% | 4.70M | SEC |
| 8 | Apr 19, 2021 | Schreiber Justin | 13D/A | 4.3% | 1.25M | SEC |
| 9 | Apr 7, 2021 | Schultz Peter Anthony | 13G/A | 3.1% | 898.4K | SEC |
| 10 | Apr 7, 2021 | Liscouski Robert | 13D/A | — | 1.01M | SEC |
6 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Quantum Computing Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 16.14M | $110.55M |
| 2 | Geode Capital Management, LLC | 4.70M | $32.20M |
| 3 | State Street Corp | 4.52M | $30.94M |
| 4 | Defiance Etfs, LLC | 4.50M | $30.79M |
| 5 | Marex Group PLC | 4.49M | $30.75M |
| 6 | Morgan Stanley | 2.32M | $15.90M |
| 7 | Mirae Asset Global Etfs Holdings Ltd. | 2.20M | $15.07M |
| 8 | Capital Fund Management S.A. | 1.70M | $11.65M |
| 9 | Northern Trust Corp | 1.69M | $11.57M |
| 10 | Mubadala Investment Co Pjsc | 1.59M | $10.87M |