Filing Flows › Quantum Computing (QUBT) › Who owns the stock
Who owns Quantum Computing (QUBT) stock
289 funds reported Quantum Computing (QUBT) shares in their latest 13F filings, worth $1.1B in all. The largest holder is Vanguard Group ($173M). Last quarter 167 funds added to their stakes and 94 cut them.
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Vanguard Group | 16,841,423 | $173M | increase | 2025-12-31 |
| BlackRock | 17,733,975 | $172M | increase | 2026-06-30 |
| Vanguard Capital Management LLC | 8,848,881 | $85.8M | increase | 2026-06-30 |
| Defiance ETFs, LLC | 7,033,410 | $66.3M | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 6,566,582 | $63.7M | decrease | 2026-06-30 |
| Geode Capital Management, LLC | 5,322,648 | $51.6M | increase | 2026-06-30 |
| State Street | 4,921,317 | $47.7M | increase | 2026-06-30 |
| Morgan Stanley | 3,292,011 | $31.9M | increase | 2026-06-30 |
| Marex Group | 2,302,359 | $22.3M | decrease | 2026-06-30 |
| Mirae Asset Global ETFS Holdings | 2,272,533 | $22.1M | increase | 2026-06-30 |
| UBS Group AG | 2,045,200 | $19.8M | increase | 2026-06-30 |
| Bank of New York Mellon | 1,975,697 | $19.2M | increase | 2026-06-30 |
| Northern Trust | 1,815,091 | $17.6M | increase | 2026-06-30 |
| Charles Schwab Investment Management | 1,641,744 | $15.9M | increase | 2026-06-30 |
| Mubadala Investment Co Pjsc | 1,587,350 | $15.4M | unchanged | 2026-06-30 |
Quantum Computing's latest quarter
Quantum Computing, Q2 2026: revenue $5.6M (91× year over year), operating margin -414.6%, net loss $11.8M, operating cash flow −$13.9M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most QUBT stock?
By the latest 13F filings: Vanguard Group ($173M); BlackRock ($172M); Vanguard Capital Management LLC ($85.8M); Defiance ETFs, LLC ($66.3M); Vanguard Portfolio Management LLC ($63.7M).
What is the short interest in QUBT?
70,016,737 shares were sold short at the 2026-10-15 settlement, 3.96% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.