Quantum Computing Inc.
QUBT- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001758009
No open-market purchases or sales by Quantum Computing Inc. insiders were filed in the last 90 days; 313 institutions reported holding it in 13F filings for Q2 2026, worth $994.9M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Quantum Computing Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 287
- +33 vs. Q3 2025
- Shares held
- 98.5M
- +8.24M (+9.1%) vs. Q3 2025
- Total value
- $1.01B
- −$648.4M (−39.1%) vs. Q3 2025
- New holders
- 84
- 133 more added
- Sold out
- 51
- 48 more reduced
5 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting QUBT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 313 | $994.9M |
| Q1 2026 | 296 | $637.2M |
| Q4 2025 | 287 | $1.01B |
| Q3 2025 | 259 | $1.66B |
| Q2 2025 | 222 | $1.06B |
| Q1 2025 | 166 | $179.2M |
| Q4 2024 | 125 | $359.6M |
| Q3 2024 | 34 | $2.61M |
| Q2 2024 | 47 | $2.05M |
| Q1 2024 | 46 | $3.67M |
| Q4 2023 | 45 | $2.93M |
| Q3 2023 | 42 | $3.15M |
| Q2 2023 | 39 | $3.46M |
| Q1 2023 | 37 | $2.92M |
| Q4 2022 | 36 | $3.10M |
| Q3 2022 | 36 | $5.04M |
| Q2 2022 | 35 | $4.36M |
| Q1 2022 | 35 | $4.64M |
| Q4 2021 | 28 | $6.54M |
| Q3 2021 | 24 | $7.80M |
| Q2 2021 | 1 | $12.0K |
| Q1 2021 | 1 | $16.0K |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Quantum Computing Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| SPX Equities Gestao de Recursos Ltda | 0 | $0 | 0.00% | −64,000−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −45,522−100.0% | Sold out |
| Colony Group, LLC | 0 | $0 | 0.00% | −43,687−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −42,000−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −40,705−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −40,145−100.0% | Sold out |
| Cantor Fitzgerald, L. P. | 0 | $0 | 0.00% | −38,276−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −33,850−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −25,475−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −23,260−100.0% | Sold out |
| Camelot Portfolios, LLC | 0 | $0 | 0.00% | −21,200−100.0% | Sold out |
| WBI Investments | 0 | $0 | 0.00% | −18,831−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −17,732−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −17,464−100.0% | Sold out |
| RIA Advisory Group LLC | 0 | $0 | 0.00% | −14,725−100.0% | Sold out |
| Thoroughbred Financial Services, LLC | 0 | $0 | 0.00% | −14,344−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −13,636−100.0% | Sold out |
| Gladstone Institutional Advisory LLC | 0 | $0 | 0.00% | −12,975−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −12,191−100.0% | Sold out |
| National Asset Management, Inc. | 0 | $0 | 0.00% | −11,230−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −10,864−100.0% | Sold out |
| Insigneo Advisory Services, LLC | 0 | $0 | 0.00% | −10,706−100.0% | Sold out |
| Empower Advisory Group, LLC | 0 | $0 | 0.00% | −10,405−100.0% | Sold out |
| Capital Investment Advisors, LLC | 0 | $0 | 0.00% | −10,115−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −3,243−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −2,100−100.0% | Sold out |
| Hollencrest Capital Management | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| New Millennium Group LLC | 0 | $0 | 0.00% | −1,968−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −1,508−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −1,237−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −720−100.0% | Sold out |
| Goodman Advisory Group, LLC | 0 | $0 | 0.00% | −315−100.0% | Sold out |
| Wealth Watch Advisors, INC | 0 | $0 | 0.00% | −275−100.0% | Sold out |
| Turim 21 Investimentos Ltda. | 0 | $0 | 0.00% | −167−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Main Street Group, LTD | 0 | $0 | 0.00% | −42−100.0% | Sold out |
| Financial Consulate, Inc | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Summit Wealth Group LLC | 0 | $0 | 0.00% | −2,651−100.0% | Sold out |
| CIBC Bancorp USA Inc. | – | – | – | – | Not filed |
| Maso Capital Partners Ltd | – | – | – | – | Not filed |
| AllSquare Wealth Management LLC | – | – | – | – | Not filed |
| Optimum Investment Advisors | – | – | – | – | Not filed |
| Guerra Advisors Inc | – | – | – | – | Not filed |