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, Q2 2026
Institutional positions in Quantum Computing Inc. as of Jun 30, 2026. 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
- 313
- +22 vs. Q1 2026
- Shares held
- 102.8M
- +10.0M (+10.8%) vs. Q1 2026
- Total value
- $994.9M
- +$358.5M (+56.3%) vs. Q1 2026
- New holders
- 67
- 127 more added
- Sold out
- 45
- 61 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Quantum Computing Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Northern Trust Corp | 1,815,091 | $17.6M | 0.00% | +126,010+7.5% | Added |
| Bank of New York Mellon Corp | 1,975,697 | $19.2M | 0.00% | +953,093+93.2% | Added |
| UBS Group AG | 2,045,200 | $19.8M | 0.00% | +729,508+55.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 2,272,533 | $22.1M | 0.03% | +69,232+3.1% | Added |
| Marex Group plc | 2,302,359 | $22.3M | 0.17% | −2,186,553−48.7% | Reduced |
| Morgan Stanley | 3,292,011 | $31.9M | 0.00% | +971,285+41.9% | Added |
| State Street Corp | 4,921,317 | $47.7M | 0.00% | +404,497+9.0% | Added |
| Geode Capital Management, LLC | 5,322,648 | $51.6M | 0.00% | +622,343+13.2% | Added |
| Vanguard Portfolio Management LLC | 6,566,582 | $63.7M | 0.00% | −143,542−2.1% | Reduced |
| Defiance ETFs, LLC | 7,033,410 | $66.3M | 0.92% | +2,538,327+56.5% | Added |
| Penserra Capital Management LLC | 6,979,349 | $67.7M | 0.52% | +3,629,502+108.3% | Added |
| Vanguard Capital Management LLC | 8,848,881 | $85.8M | 0.00% | +86,586+1.0% | Added |
| BlackRock, Inc. | 17,733,975 | $172.0M | 0.00% | +1,594,763+9.9% | Added |
| HRT Financial LP | 0 | $0 | 0.00% | −1,275,863−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −667,674−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −411,048−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −209,348−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −178,992−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −103,435−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −91,799−100.0% | Sold out |
| Bouvel Investment Partners, LLC | 0 | $0 | 0.00% | −72,443−100.0% | Sold out |
| AlphaGrep UK Ltd | 0 | $0 | 0.00% | −72,001−100.0% | Sold out |
| Credit Agricole S A | 0 | $0 | 0.00% | −64,200−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −64,199−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −40,634−100.0% | Sold out |
| SIH Partners, LLLP | 0 | $0 | 0.00% | −40,412−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −35,311−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −35,311−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −33,649−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −30,332−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −27,959−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −19,460−100.0% | Sold out |
| October Effect Ltd | 0 | $0 | 0.00% | −23,675−100.0% | Sold out |
| Financiere des Professionnels - Fonds d,investissement inc. | 0 | $0 | 0.00% | −23,239−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −22,103−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −20,704−100.0% | Sold out |
| Kingswood Wealth Advisors, LLC | 0 | $0 | 0.00% | −17,345−100.0% | Sold out |
| Modus Advisors, LLC | 0 | $0 | 0.00% | −16,900−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −16,555−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −16,076−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −14,770−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −13,437−100.0% | Sold out |
| Intrua Financial, LLC | 0 | $0 | 0.00% | −13,200−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −12,815−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −12,648−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −12,526−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −3,511−100.0% | Sold out |
| Sittner & Nelson, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −456−100.0% | Sold out |
| TD Capital Management LLC | 0 | $0 | 0.00% | −240−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −115−100.0% | Sold out |
| Annis Gardner Whiting Capital Advisors, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Bullock Wealth Management Group | 0 | $0 | 0.00% | −84−100.0% | Sold out |
| Legacy Wealth Managment, LLC | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| Curio Wealth, LLC | 0 | $0 | 0.00% | −51−100.0% | Sold out |
| West Branch Capital LLC | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Vermillion Wealth Management, Inc. | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Activest Wealth Management | 0 | $0 | 0.00% | 0 | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| U.S. Capital Wealth Advisors, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |
| Anfield Capital Management, LLC | – | – | – | – | Not filed |