Quantum ComputingQUBT
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 313 institutions reported holding Quantum Computing Inc. (QUBT) in their 13F filings, up 18 from Q1 2026. 63 opened new positions and 45 sold out. The largest holders were BlackRock, Inc. ($172.0M), Vanguard Capital Management LLC ($85.8M) and Penserra Capital Management LLC ($67.7M). 5 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Quantum Computing Inc.
- CUSIP
- 74766W108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 63 | $13.5M |
| Exits | 45 | $25.5M |
All 13F filers, Q1 2026 → Q2 2026: 20,610,743 shares bought and 10,667,218 shares sold, net +9,943,525 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 313 holders
| BlackRock, Inc. | 0.00% | Add +9.9% | 17,733,975 | $172.0M |
| Vanguard Capital Management LLC | 0.00% | Add +1.0% | 8,848,881 | $85.8M |
| Penserra Capital Management LLC | 0.52% | Add +108.3% | 6,979,349 | $67.7M |
| Defiance ETFs, LLC | 0.92% | Add +56.5% | 7,033,410 | $66.3M |
| Vanguard Portfolio Management LLC | 0.00% | Reduce -2.1% | 6,566,582 | $63.7M |
| Geode Capital Management, LLC | 0.00% | Add +13.2% | 5,322,648 | $51.6M |
| State Street Corp. | 0.00% | Add +9.0% | 4,921,317 | $47.7M |
| Morgan Stanley | 0.00% | Add +41.9% | 3,292,011 | $31.9M |
| Marex Group Ltd | 0.17% | Reduce -48.7% | 2,302,359 | $22.3M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.03% | Add +3.1% | 2,272,533 | $22.1M |
| UBS Group AG | 0.00% | Add +55.5% | 2,045,200 | $19.8M |
| Bank of New York Mellon Corp | 0.00% | Add +93.2% | 1,975,697 | $19.2M |
| Northern Trust Corp. | 0.00% | Add +7.5% | 1,815,091 | $17.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +10.0% | 1,641,744 | $15.9M |
| Mubadala Investment Co PJSC | 0.04% | No change | 1,587,350 | $15.4M |
| Capital Fund Management S.A. | 0.10% | Reduce -11.5% | 1,505,193 | $14.6M |
| National Bank of Canada | 0.01% | Add +948.0% | 1,458,236 | $14.1M |
| Clear Street Group Inc. | 0.04% | Add +69.5% | 1,427,999 | $13.9M |
| Van Eck Associates Corp. | 0.01% | Add +35.6% | 1,317,352 | $12.8M |
| Vanguard Fiduciary Trust Co. | 0.00% | Reduce -3.1% | 1,301,720 | $12.6M |
| Susquehanna International Group, LLP | 0.01% | Add +70.5% | 1,172,886 | $11.4M |
| BNP Paribas Financial Markets | 0.01% | Add +214.1% | 1,070,785 | $10.4M |
| Raymond James Financial Inc. | 0.00% | Add +31.4% | 1,037,659 | $10.1M |
| Pacific Heights Asset Management LLC | 0.31% | No change | 1,000,000 | $9.7M |
| Focus Financial Network, Inc. | 0.27% | Add +402.6% | 911,635 | $8.8M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -13.1% | 789,243 | $7.7M |
| Nuveen, LLC | 0.00% | Add +0.1% | 632,451 | $6.1M |
| D. E. Shaw & Co. | 0.00% | Reduce -18.9% | 582,618 | $5.7M |
| Blackstone Inc. | 0.02% | No change | 500,000 | $4.8M |
| Algert Global LLC | 0.05% | Add +42.0% | 445,251 | $4.3M |
| Barclays PLC | 0.00% | Add +961.1% | 404,331 | $3.9M |
| Squarepoint Ops LLC | 0.01% | Reduce -70.2% | 402,727 | $3.9M |
| Swiss National Bank | 0.00% | Reduce -0.6% | 395,400 | $3.8M |
| Bank of America Corp. | 0.00% | Reduce -11.8% | 387,812 | $3.8M |
| Landscape Capital Management, L.L.C. | 0.24% | Add +484.1% | 381,046 | $3.7M |
| LPL Financial LLC | 0.00% | Add +34.7% | 380,999 | $3.7M |
| UNICOM Systems, Inc. | 0.23% | No change | 362,279 | $3.5M |
| Millennium Management | 0.00% | Add +313.4% | 359,801 | $3.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +28.3% | 321,236 | $3.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +21.0% | 275,225 | $2.7M |
| Rhumbline Advisers | 0.00% | Add +12.2% | 263,716 | $2.6M |
| Citigroup Inc. | 0.00% | Add +259.6% | 253,484 | $2.5M |
| Wells Fargo & Company | 0.00% | Add +80.0% | 248,322 | $2.4M |
| California State Teachers Retirement System | 0.00% | Reduce -11.1% | 224,011 | $2.2M |
| Deutsche Bank AG | 0.00% | Add +20.3% | 208,776 | $2.0M |
| JPMorgan Chase & Co. | 0.00% | Add +5.2% | 184,303 | $1.9M |
| Two Sigma Investments, LP | 0.00% | Reduce -51.5% | 186,284 | $1.8M |
| Royal Bank of Canada | 0.00% | Reduce -11.8% | 174,293 | $1.7M |
| Foundations Investment Advisors, LLC | 0.02% | Reduce -9.2% | 172,427 | $1.7M |
| SLT Holdings LLC | 1.06% | Reduce -9.3% | 170,550 | $1.7M |
| Headlands Technologies LLC | 0.16% | Reduce -44.1% | 154,901 | $1.5M |
| Alliancebernstein L.P. | 0.00% | Add +4.2% | 219,252 | $1.5M |
| Brevan Howard Capital Management LP | 0.02% | Add +736.3% | 153,629 | $1.5M |
| Quantinno Capital Management LP | 0.00% | Add +315.6% | 149,469 | $1.4M |
| SG Americas Securities, LLC | 0.00% | Add +168.5% | 148,391 | $1.4M |
| SBI Securities Co., Ltd. | 0.03% | Add +1.9% | 143,253 | $1.4M |
| Citadel Advisors | 0.00% | Reduce -83.9% | 138,628 | $1.3M |
| Fifth Third Bancorp | 0.00% | Add +2.9% | 138,250 | $1.3M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | No change | 132,344 | $1.3M |
| Corient Private Wealth LP | 0.00% | Add +477.2% | 131,534 | $1.3M |
| Russell Investments Group, Ltd. | 0.00% | Add +53.4% | 129,531 | $1.3M |
| XTX Topco Ltd | 0.02% | Add +71.2% | 127,953 | $1.2M |
| Los Angeles Capital Management LLC | 0.00% | Reduce -31.8% | 126,626 | $1.2M |
| American Century Companies Inc. | 0.00% | New | 124,540 | $1.2M |
| Legal & General Group Plc | 0.00% | Reduce -26.5% | 121,161 | $1.2M |
| MetLife Investment Management, LLC | 0.01% | Add +6.9% | 121,021 | $1.2M |
| Invesco Ltd. | 0.00% | Reduce -15.2% | 110,135 | $1.1M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +9.3% | 104,732 | $1.0M |
| Moors & Cabot, Inc. | 0.04% | New | 103,585 | $1.0M |
| PEAK6 LLC | 0.02% | Add +73.2% | 100,330 | $973K |
| Yarbrough Capital, LLC | 0.03% | No change | 99,056 | $961K |
| State of New Jersey Common Pension Fund D | 0.00% | New | 98,537 | $956K |
| Cetera Investment Advisers | 0.00% | Reduce -18.6% | 93,881 | $911K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +8.3% | 93,809 | $910K |
| Vident Advisory, LLC | 0.01% | Add +19.2% | 91,131 | $884K |
| Concurrent Investment Advisors, LLC | 0.01% | Reduce -30.8% | 90,328 | $876K |
| Jupiter Topco LLC | 0.00% | — | 87,818 | $852K |
| State of Wisconsin Investment Board | 0.00% | Reduce -0.5% | 86,693 | $841K |
| Graham Capital Management, L.P. | 0.03% | New | 80,000 | $776K |
| Simplex Trading, LLC | 0.02% | Reduce -52.7% | 78,534 | $762K |
| Leonteq Securities AG | 0.04% | Add +32.0% | 72,815 | $706K |
| Banque Pictet & Cie SA | 0.01% | No change | 72,000 | $698K |
| Vanguard Global Advisers, LLC | 0.00% | Reduce -4.1% | 71,662 | $695K |
| Ameriprise Financial Inc. | 0.00% | Add +25.5% | 71,659 | $695K |
| Rockefeller Capital Management L.P. | 0.00% | Add +11.7% | 70,366 | $683K |
| Osaic Holdings, Inc. | 0.00% | Add +86.8% | 69,520 | $674K |
| Commonwealth Equity Services, LLC | 0.00% | Add +48.6% | 68,777 | $667K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Reduce -3.8% | 68,642 | $666K |
| Handelsbanken Fonder AB | 0.00% | Add +50.0% | 65,700 | $637K |
| VARCOV Co. | 0.24% | New | 64,663 | $627K |
| New York State Common Retirement Fund | 0.00% | Reduce -0.2% | 63,500 | $616K |
| Hennion & Walsh Asset Management, Inc. | 0.02% | Add +24.4% | 63,236 | $613K |
| Creative Planning | 0.00% | Add +129.2% | 63,042 | $612K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +12.4% | 60,881 | $591K |
| Corecam Pte. Ltd. | 0.22% | Add +98.8% | 60,859 | $590K |
| Ameritas Advisory Services, LLC | 0.01% | Add +486.8% | 60,848 | $590K |
| Jones Financial Companies LLLP | 0.00% | Add +18.6% | 63,404 | $582K |
| Stevens Capital Management LP | 0.14% | Reduce -31.6% | 59,300 | $575K |
| Simplicity Wealth,LLC | 0.02% | New | 58,028 | $563K |
| Scoggin Management LP | 0.13% | New | 57,500 | $558K |
"% of holder's portfolio" is QUBT's weight in each manager's 13F, not the share of Quantum Computing Inc. the manager owns.