Quantum ComputingQUBT
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 287 institutions reported holding Quantum Computing Inc. (QUBT) in their 13F filings, up 28 from Q3 2025. 69 opened new positions and 51 sold out. The largest holders were Vanguard Group Inc. ($172.8M), BlackRock, Inc. ($170.8M) and Marex Group Ltd ($84.9M). 4 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Quantum Computing Inc.
- CUSIP
- 74766W108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 69 | $76.1M |
| Exits | 51 | $345.9M |
All 13F filers, Q3 2025 → Q4 2025: 39,267,218 shares bought and 34,335,005 shares sold, net +4,932,213 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 287 holders
| Vanguard Group Inc. | 0.00% | Add +38.1% | 16,841,423 | $172.8M |
| BlackRock, Inc. | 0.00% | Add +59.5% | 16,647,012 | $170.8M |
| Marex Group Ltd | 0.92% | Add +255.6% | 8,272,153 | $84.9M |
| Geode Capital Management, LLC | 0.00% | Add +45.5% | 4,565,192 | $46.8M |
| State Street Corp. | 0.00% | Add +44.1% | 4,344,023 | $44.6M |
| Defiance ETFs, LLC | 1.08% | — | 3,179,905 | $33.1M |
| Penserra Capital Management LLC | 0.39% | Add +94.1% | 3,179,905 | $32.6M |
| Citadel Advisors | 0.02% | Reduce -62.7% | 2,387,241 | $24.5M |
| Capital Fund Management S.A. | 0.22% | Add +605.6% | 2,253,241 | $23.1M |
| Susquehanna International Group, LLP | 0.03% | Add +14.6% | 2,231,454 | $22.9M |
| Northern Trust Corp. | 0.00% | Add +37.1% | 1,651,108 | $16.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +42.7% | 1,622,701 | $16.6M |
| Mubadala Investment Co PJSC | 0.09% | New | 1,587,350 | $16.3M |
| Jump Financial, LLC | 0.19% | New | 1,362,167 | $14.0M |
| UBS Group AG | 0.00% | Add +5.4% | 1,331,930 | $13.7M |
| Morgan Stanley | 0.00% | Reduce -11.9% | 1,329,581 | $13.6M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.02% | Add +21.5% | 1,228,168 | $12.6M |
| Clear Street Group Inc. | 0.06% | Reduce -45.0% | 1,149,865 | $11.8M |
| Ameriprise Financial Inc. | 0.00% | Add +3002.7% | 1,104,400 | $11.3M |
| Barclays PLC | 0.00% | Add +340.5% | 1,100,974 | $11.3M |
| Canada Pension Plan Investment Board | 0.01% | New | 1,026,700 | $10.5M |
| Nuveen, LLC | 0.00% | Add +132.0% | 957,585 | $9.8M |
| Squarepoint Ops LLC | 0.02% | Add +245.3% | 932,171 | $9.6M |
| Pacific Heights Asset Management LLC | 0.35% | Add +38.5% | 900,000 | $9.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +56.1% | 780,821 | $8.0M |
| Jupiter Asset Management Ltd. | 0.05% | New | 638,349 | $6.5M |
| Bank of New York Mellon Corp | 0.00% | Add +58.6% | 594,186 | $6.1M |
| Van Eck Associates Corp. | 0.00% | Add +105.0% | 569,509 | $5.8M |
| Simplex Trading, LLC | 0.16% | New | 549,049 | $5.6M |
| Group One Trading LLC | 0.16% | Add +140.8% | 535,245 | $5.5M |
| Bank of America Corp. | 0.00% | Add +292.1% | 513,283 | $5.3M |
| Blackstone Inc. | 0.02% | Reduce -62.8% | 500,000 | $5.1M |
| Alyeska Investment Group, L.P. | 0.01% | Reduce -92.6% | 500,000 | $5.1M |
| Landscape Capital Management, L.L.C. | 0.30% | New | 440,017 | $4.5M |
| BNP Paribas Financial Markets | 0.00% | Reduce -72.5% | 436,676 | $4.5M |
| Raymond James Financial Inc. | 0.00% | Add +64.3% | 403,044 | $4.1M |
| Swiss National Bank | 0.00% | Add +22.1% | 397,700 | $4.1M |
| Focus Financial Network, Inc. | 0.14% | Reduce -65.3% | 387,222 | $4.0M |
| Wells Fargo & Company | 0.00% | Add +101.0% | 369,360 | $3.8M |
| UNICOM Systems, Inc. | 0.36% | No change | 362,279 | $3.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +41.2% | 351,280 | $3.6M |
| Algert Global LLC | 0.05% | Add +188.1% | 312,129 | $3.2M |
| National Bank of Canada | 0.00% | Reduce -14.0% | 291,501 | $3.0M |
| Quadrature Capital Ltd | 0.03% | New | 289,378 | $3.0M |
| LPL Financial LLC | 0.00% | Reduce -6.2% | 270,196 | $2.8M |
| Alliancebernstein L.P. | 0.00% | Add +69.1% | 230,221 | $2.4M |
| Rhumbline Advisers | 0.00% | Add +18.6% | 227,345 | $2.3M |
| Legal & General Group Plc | 0.00% | Add +16.7% | 206,163 | $2.1M |
| Victory Capital Management Inc. | 0.00% | Add +55.3% | 201,877 | $2.1M |
| IMC-Chicago, LLC | 0.04% | New | 195,908 | $2.0M |
| California State Teachers Retirement System | 0.00% | Add +22.1% | 190,212 | $2.0M |
| T. Rowe Price Associates Inc. | 0.00% | Add +89.7% | 184,772 | $1.9M |
| Foundations Investment Advisors, LLC | 0.02% | Add +1024.7% | 169,981 | $1.7M |
| SLT Holdings LLC | 1.16% | Add +1028.7% | 169,300 | $1.7M |
| Deutsche Bank AG | 0.00% | Add +46.7% | 162,216 | $1.7M |
| Osaic Holdings, Inc. | 0.00% | Reduce -7.7% | 159,022 | $1.6M |
| SG Americas Securities, LLC | 0.00% | Reduce -36.4% | 158,517 | $1.6M |
| SBI Securities Co., Ltd. | 0.04% | Add +22.9% | 157,357 | $1.6M |
| First Trust Advisors LP | 0.00% | Reduce -39.4% | 140,267 | $1.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -85.2% | 137,919 | $1.4M |
| D. E. Shaw & Co. | 0.00% | New | 136,820 | $1.4M |
| Qsemble Capital Management, LP | 0.12% | Add +877.5% | 136,165 | $1.4M |
| Renaissance Technologies | 0.00% | New | 135,223 | $1.4M |
| Comerica Bank | 0.01% | Add +264.8% | 134,300 | $1.4M |
| State of Wisconsin Investment Board | 0.00% | Add +39.1% | 129,621 | $1.3M |
| Cetera Investment Advisers | 0.00% | Reduce -36.0% | 117,331 | $1.2M |
| Concurrent Investment Advisors, LLC | 0.01% | Add +16.9% | 115,376 | $1.2M |
| MetLife Investment Management, LLC | 0.01% | Add +42.4% | 111,886 | $1.1M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +42.1% | 101,118 | $1.0M |
| Yarbrough Capital, LLC | 0.03% | Add +449.7% | 99,056 | $1.0M |
| Invesco Ltd. | 0.00% | Add +21.1% | 96,557 | $991K |
| Royal Bank of Canada | 0.00% | Add +18.5% | 88,933 | $913K |
| Janus Henderson Group PLC | 0.00% | Add +20.6% | 87,818 | $901K |
| Modera Wealth Management, LLC | 0.01% | New | 85,726 | $880K |
| Walleye Trading LLC | 0.01% | New | 85,006 | $872K |
| Russell Investments Group, Ltd. | 0.00% | Add +96.2% | 82,090 | $842K |
| Dark Forest Capital Management LP | 0.04% | New | 81,575 | $837K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Add +10.8% | 78,838 | $809K |
| Flow Traders U.S. LLC | 0.03% | New | 76,744 | $787K |
| Centiva Capital, LP | 0.05% | New | 72,910 | $748K |
| Banque Pictet & Cie SA | 0.01% | No change | 72,000 | $739K |
| Bouvel Investment Partners, LLC | 0.21% | New | 69,759 | $716K |
| Virtu Financial LLC | 0.03% | Reduce -70.1% | 69,374 | $712K |
| VARCOV Co. | 0.28% | — | 69,135 | $709K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +53.1% | 68,484 | $703K |
| Main Management ETF Advisors, LLC | 0.02% | Add +1.0% | 65,772 | $675K |
| New York State Common Retirement Fund | 0.00% | Add +49.0% | 63,600 | $653K |
| AlphaQuest LLC | 0.03% | Add +47.5% | 58,551 | $601K |
| FMR LLC | 0.00% | Add +33.2% | 55,412 | $569K |
| Arizona State Retirement System | 0.00% | Add +11.1% | 55,201 | $566K |
| PFG Investments, LLC | 0.03% | Add +133.9% | 54,797 | $562K |
| Commonwealth Equity Services, LLC | 0.00% | Add +22.4% | 54,428 | $558K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +45.5% | 54,144 | $556K |
| Rockefeller Capital Management L.P. | 0.00% | Add +3.7% | 52,924 | $543K |
| Jones Financial Companies LLLP | 0.00% | Add +21.3% | 51,209 | $525K |
| Cary Street Partners Financial LLC | 0.01% | Reduce -0.6% | 50,487 | $518K |
| Vident Advisory, LLC | 0.00% | Add +5.0% | 48,164 | $494K |
| Leonteq Securities AG | 0.03% | Add +120.1% | 48,018 | $493K |
| Franklin Resources Inc. | 0.00% | Add +0.9% | 47,970 | $492K |
| Stifel Financial Corp. | 0.00% | Add +54.8% | 45,998 | $472K |
"% of holder's portfolio" is QUBT's weight in each manager's 13F, not the share of Quantum Computing Inc. the manager owns.