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 |
|---|---|---|---|---|---|
| Stifel Financial Corp | 44,410 | $430.8K | 0.00% | +14,145+46.7% | Added |
| KLP Kapitalforvaltning AS | 45,500 | $441.4K | 0.00% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 45,512 | $441.5K | 0.00% | +18,694+69.7% | Added |
| Kovack Advisors, Inc. | 48,025 | $454.9K | 0.02% | +12,985+37.1% | Added |
| Truist Financial Corp | 49,346 | $478.7K | 0.00% | +10,083+25.7% | Added |
| TD Waterhouse Canada Inc. | 50,996 | $481.0K | 0.00% | +230.0% | Added |
| HighTower Advisors, LLC | 50,918 | $493.9K | 0.00% | +33,740+196.4% | Added |
| KKM Financial LLC | 62,978 | $510.1K | 0.07% | +62,978 | New |
| Vanguard Investments Australia, Ltd. | 53,207 | $516.1K | 0.00% | +5,282+11.0% | Added |
| Intech Investment Management LLC | 54,038 | $524.2K | 0.00% | +6,315+13.2% | Added |
| Arizona State Retirement System | 54,212 | $525.9K | 0.00% | −1,193−2.2% | Reduced |
| Optiver Holding B.V. | 55,916 | $542.4K | 0.01% | +55,916 | New |
| Balyasny Asset Management LLC | 56,763 | $550.6K | 0.00% | +56,763 | New |
| Scoggin Management LP | 57,500 | $557.8K | 0.13% | +57,500 | New |
| Simplicity Wealth,LLC | 58,028 | $562.9K | 0.02% | +58,028 | New |
| Stevens Capital Management LP | 59,300 | $575.0K | 0.14% | −27,400−31.6% | Reduced |
| Jones Financial Companies LLLP | 63,404 | $582.0K | 0.00% | +9,926+18.6% | Added |
| Ameritas Advisory Services, LLC | 60,848 | $590.2K | 0.01% | +50,478+486.8% | Added |
| Corecam Pte. Ltd. | 60,859 | $590.3K | 0.22% | +30,242+98.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 60,881 | $590.5K | 0.00% | +6,737+12.4% | Added |
| Creative Planning | 63,042 | $611.5K | 0.00% | +35,541+129.2% | Added |
| Hennion & Walsh Asset Management, Inc. | 63,236 | $613.4K | 0.02% | +12,417+24.4% | Added |
| New York State Common Retirement Fund | 63,500 | $616.0K | 0.00% | −100−0.2% | Reduced |
| VARCOV Co. | 64,663 | $627.2K | 0.24% | +64,663 | New |
| Handelsbanken Fonder AB | 65,700 | $637.0K | 0.00% | +21,900+50.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 68,642 | $666.0K | 0.00% | −2,677−3.8% | Reduced |
| Commonwealth Equity Services, LLC | 68,777 | $667.1K | 0.00% | +22,492+48.6% | Added |
| Advisor Group Holdings, Inc. | 69,520 | $674.3K | 0.00% | +32,296+86.8% | Added |
| Rockefeller Capital Management L.P. | 70,366 | $682.5K | 0.00% | +7,381+11.7% | Added |
| Ameriprise Financial Inc | 71,659 | $695.1K | 0.00% | +14,572+25.5% | Added |
| Vanguard Global Advisers, LLC | 71,662 | $695.1K | 0.00% | −3,067−4.1% | Reduced |
| Banque Pictet & Cie SA | 72,000 | $698.4K | 0.01% | 00.0% | Unchanged |
| Leonteq Securities AG | 72,815 | $706.3K | 0.04% | +17,660+32.0% | Added |
| Simplex Trading, LLC | 78,534 | $761.8K | 0.02% | −87,518−52.7% | Reduced |
| Graham Capital Management, L.P. | 80,000 | $776.0K | 0.02% | +80,000 | New |
| State of Wisconsin Investment Board | 86,693 | $840.9K | 0.00% | −419−0.5% | Reduced |
| Jupiter Topco LLC | 87,818 | $852.3K | 0.00% | +87,818 | New |
| Concurrent Investment Advisors, LLC | 90,328 | $876.2K | 0.01% | −40,195−30.8% | Reduced |
| Vident Advisory, LLC | 91,131 | $884.0K | 0.01% | +14,691+19.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 93,809 | $909.9K | 0.00% | +7,211+8.3% | Added |
| Cetera Investment Advisers | 93,881 | $910.6K | 0.00% | −21,414−18.6% | Reduced |
| State of New Jersey Common Pension Fund D | 98,537 | $955.8K | 0.00% | +98,537 | New |
| Yarbrough Capital, LLC | 99,056 | $960.8K | 0.03% | 00.0% | Unchanged |
| PEAK6 LLC | 100,330 | $973.2K | 0.02% | +42,410+73.2% | Added |
| Moors & Cabot, Inc. | 103,585 | $1.00M | 0.04% | +103,585 | New |
| Manufacturers Life Insurance Company, The | 104,732 | $1.02M | 0.00% | +8,935+9.3% | Added |
| Invesco Ltd. | 110,135 | $1.07M | 0.00% | −19,722−15.2% | Reduced |
| MetLife Investment Management | 121,021 | $1.17M | 0.01% | +7,798+6.9% | Added |
| Legal & General Group Plc | 121,161 | $1.18M | 0.00% | −43,720−26.5% | Reduced |
| American Century Companies Inc | 124,540 | $1.21M | 0.00% | +124,540 | New |
| Los Angeles Capital Management LLC | 126,626 | $1.23M | 0.00% | −58,983−31.8% | Reduced |
| XTX Topco Ltd | 127,953 | $1.24M | 0.02% | +53,194+71.2% | Added |
| Russell Investments Group, Ltd. | 129,531 | $1.26M | 0.00% | +45,096+53.4% | Added |
| CI Private Wealth, LLC | 131,534 | $1.28M | 0.00% | +108,747+477.2% | Added |
| Vanguard Asset Management, Ltd | 132,344 | $1.28M | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 138,250 | $1.34M | 0.00% | +3,950+2.9% | Added |
| Citadel Advisors LLC | 138,628 | $1.34M | 0.00% | −722,352−83.9% | Reduced |
| SBI Securities Co., Ltd. | 143,253 | $1.39M | 0.03% | +2,607+1.9% | Added |
| SG Americas Securities, LLC | 148,391 | $1.44M | 0.00% | +93,133+168.5% | Added |
| Quantinno Capital Management LP | 149,469 | $1.45M | 0.00% | +113,500+315.5% | Added |
| Brevan Howard Capital Management LP | 153,629 | $1.49M | 0.02% | +135,258+736.3% | Added |
| Alliancebernstein L.P. | 219,252 | $1.50M | 0.00% | +8,774+4.2% | Added |
| Headlands Technologies LLC | 154,901 | $1.50M | 0.16% | −122,297−44.1% | Reduced |
| SLT Holdings LLC | 170,550 | $1.65M | 1.06% | −17,500−9.3% | Reduced |
| Foundations Investment Advisors, LLC | 172,427 | $1.67M | 0.02% | −17,390−9.2% | Reduced |
| Royal Bank of Canada | 174,293 | $1.69M | 0.00% | −23,198−11.7% | Reduced |
| Two Sigma Investments, LP | 186,284 | $1.81M | 0.00% | −197,968−51.5% | Reduced |
| JPMorgan Chase & Co | 184,303 | $1.92M | 0.00% | +9,129+5.2% | Added |
| Deutsche Bank AG | 208,776 | $2.03M | 0.00% | +35,188+20.3% | Added |
| California State Teachers Retirement System | 224,011 | $2.17M | 0.00% | −27,991−11.1% | Reduced |
| Wells Fargo & Company | 248,322 | $2.41M | 0.00% | +110,394+80.0% | Added |
| Citigroup Inc | 253,484 | $2.46M | 0.00% | +183,003+259.6% | Added |
| Rhumbline Advisers | 263,716 | $2.56M | 0.00% | +28,721+12.2% | Added |
| Price T Rowe Associates Inc | 275,225 | $2.67M | 0.00% | +47,816+21.0% | Added |
| UBS Asset Management Americas Inc | 321,236 | $3.12M | 0.00% | +70,775+28.3% | Added |
| Millennium Management LLC | 359,801 | $3.49M | 0.00% | +272,766+313.4% | Added |
| UNICOM Systems, Inc. | 362,279 | $3.51M | 0.23% | 00.0% | Unchanged |
| LPL Financial LLC | 380,999 | $3.70M | 0.00% | +98,136+34.7% | Added |
| Landscape Capital Management, L.L.C. | 381,046 | $3.70M | 0.24% | +315,815+484.1% | Added |
| Bank of America Corp | 387,812 | $3.76M | 0.00% | −51,963−11.8% | Reduced |
| Swiss National Bank | 395,400 | $3.84M | 0.00% | −2,300−0.6% | Reduced |
| Squarepoint Ops LLC | 402,727 | $3.91M | 0.01% | −949,006−70.2% | Reduced |
| Barclays PLC | 404,331 | $3.92M | 0.00% | +366,226+961.1% | Added |
| Algert Global LLC | 445,251 | $4.32M | 0.05% | +131,620+42.0% | Added |
| Blackstone Group Inc. | 500,000 | $4.85M | 0.02% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 582,618 | $5.65M | 0.00% | −135,592−18.9% | Reduced |
| Nuveen, LLC | 632,451 | $6.13M | 0.00% | +773+0.1% | Added |
| Goldman Sachs Group Inc | 789,243 | $7.66M | 0.00% | −118,731−13.1% | Reduced |
| Focus Financial Network, Inc. | 911,635 | $8.84M | 0.27% | +730,240+402.6% | Added |
| Pacific Heights Asset Management LLC | 1,000,000 | $9.70M | 0.31% | 00.0% | Unchanged |
| Raymond James Financial Inc | 1,037,659 | $10.1M | 0.00% | +248,076+31.4% | Added |
| BNP Paribas Arbitrage, SA | 1,070,785 | $10.4M | 0.01% | +729,860+214.1% | Added |
| Susquehanna International Group, LLP | 1,172,886 | $11.4M | 0.01% | +485,063+70.5% | Added |
| Vanguard Fiduciary Trust Co | 1,301,720 | $12.6M | 0.00% | −41,906−3.1% | Reduced |
| Van Eck Associates Corp | 1,317,352 | $12.8M | 0.01% | +345,750+35.6% | Added |
| Clear Street Group Inc. | 1,427,999 | $13.9M | 0.04% | +585,780+69.6% | Added |
| National Bank of Canada | 1,458,236 | $14.1M | 0.01% | +1,319,087+948.0% | Added |
| Capital Fund Management S.A. | 1,505,193 | $14.6M | 0.10% | −195,702−11.5% | Reduced |
| Mubadala Investment Co PJSC | 1,587,350 | $15.4M | 0.04% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 1,641,744 | $15.9M | 0.00% | +149,534+10.0% | Added |