Quantum ComputingQUBT
13F holders, Q1 2026 (March 31)295holders +8
52new positions
44sold out
5famous investors
$6.86avg. 13F price*
At the end of Q1 2026, 295 institutions reported holding Quantum Computing Inc. (QUBT) in their 13F filings, up 8 from Q4 2025. 52 opened new positions and 44 sold out. The largest holders were BlackRock, Inc. ($110.6M), Vanguard Capital Management LLC ($60.0M) and Vanguard Portfolio Management LLC ($46.0M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors'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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 52 | $25.3M |
| Exits | 44 | $32.6M |
All 13F filers, Q4 2025 → Q1 2026: 12,019,764 shares bought and 17,595,539 shares sold, net −5,575,775 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 295 holders
| BlackRock, Inc. | 0.00% | Reduce -3.0% | 16,139,212 | $110.6M |
| Vanguard Capital Management LLC | 0.00% | — | 8,762,295 | $60.0M |
| Vanguard Portfolio Management LLC | 0.00% | — | 6,710,124 | $46.0M |
| Geode Capital Management, LLC | 0.00% | Add +3.0% | 4,700,305 | $32.2M |
| State Street Corp. | 0.00% | Add +4.0% | 4,516,820 | $30.9M |
| Defiance ETFs, LLC | 0.44% | Add +41.4% | 4,495,083 | $30.8M |
| Marex Group Ltd | 0.32% | Reduce -45.7% | 4,488,912 | $30.7M |
| Penserra Capital Management LLC | 0.27% | Add +5.3% | 3,349,847 | $22.9M |
| Morgan Stanley | 0.00% | Add +74.5% | 2,320,726 | $15.9M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.02% | Add +79.4% | 2,203,301 | $15.1M |
| Capital Fund Management S.A. | 0.10% | Reduce -24.5% | 1,700,895 | $11.7M |
| Northern Trust Corp. | 0.00% | Add +2.3% | 1,689,081 | $11.6M |
| Mubadala Investment Co PJSC | 0.05% | No change | 1,587,350 | $10.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -8.0% | 1,492,210 | $10.2M |
| Squarepoint Ops LLC | 0.02% | Add +45.0% | 1,351,733 | $9.3M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 1,343,626 | $9.2M |
| UBS Group AG | 0.00% | Reduce -1.2% | 1,315,692 | $9.0M |
| HRT Financial LP | 0.02% | New | 1,275,863 | $8.7M |
| Bank of New York Mellon Corp | 0.00% | Add +72.1% | 1,022,604 | $7.0M |
| Pacific Heights Asset Management LLC | 0.23% | Add +11.1% | 1,000,000 | $6.8M |
| Van Eck Associates Corp. | 0.01% | Add +70.6% | 971,602 | $6.7M |
| Jump Financial, LLC | 0.11% | Reduce -31.0% | 939,433 | $6.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +16.3% | 907,974 | $6.2M |
| Citadel Advisors | 0.00% | Reduce -63.9% | 860,980 | $5.9M |
| Clear Street Group Inc. | 0.03% | Reduce -26.8% | 842,219 | $5.8M |
| Raymond James Financial Inc. | 0.00% | Add +95.9% | 789,583 | $5.4M |
| D. E. Shaw & Co. | 0.00% | Add +424.9% | 718,210 | $4.9M |
| Susquehanna International Group, LLP | 0.01% | Reduce -69.2% | 687,823 | $4.7M |
| Renaissance Technologies | 0.01% | Add +393.8% | 667,674 | $4.6M |
| Engineers Gate Manager LP | 0.06% | New | 658,589 | $4.5M |
| Nuveen, LLC | 0.00% | Reduce -34.0% | 631,678 | $4.3M |
| Blackstone Inc. | 0.01% | No change | 500,000 | $3.4M |
| Bank of America Corp. | 0.00% | Reduce -14.3% | 439,775 | $3.0M |
| Quantbot Technologies LP | 0.12% | Add +18592.5% | 411,048 | $2.8M |
| Swiss National Bank | 0.00% | No change | 397,700 | $2.7M |
| Two Sigma Investments, LP | 0.00% | New | 384,252 | $2.6M |
| UNICOM Systems, Inc. | 0.25% | No change | 362,279 | $2.5M |
| BNP Paribas Financial Markets | 0.00% | Reduce -21.9% | 340,925 | $2.3M |
| Alliancebernstein L.P. | 0.00% | Reduce -8.6% | 210,478 | $2.2M |
| Algert Global LLC | 0.03% | Add +0.5% | 313,631 | $2.1M |
| LPL Financial LLC | 0.00% | Add +4.7% | 282,863 | $1.9M |
| Headlands Technologies LLC | 0.22% | New | 277,198 | $1.9M |
| California State Teachers Retirement System | 0.00% | Add +32.5% | 252,002 | $1.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -28.7% | 250,461 | $1.7M |
| Rhumbline Advisers | 0.00% | Add +3.4% | 234,995 | $1.6M |
| T. Rowe Price Associates Inc. | 0.00% | Add +23.1% | 227,409 | $1.6M |
| Quadrature Capital Ltd | 0.02% | Reduce -27.7% | 209,348 | $1.4M |
| Royal Bank of Canada | 0.00% | Add +122.1% | 197,491 | $1.4M |
| Foundations Investment Advisors, LLC | 0.02% | Add +11.7% | 189,817 | $1.3M |
| SLT Holdings LLC | 0.91% | Add +11.1% | 188,050 | $1.3M |
| Los Angeles Capital Management LLC | 0.01% | Add +557.6% | 185,609 | $1.3M |
| Focus Financial Network, Inc. | 0.04% | Reduce -53.1% | 181,395 | $1.2M |
| Walleye Trading LLC | 0.03% | Add +110.6% | 178,992 | $1.2M |
| Deutsche Bank AG | 0.00% | Add +7.0% | 173,588 | $1.2M |
| Simplex Trading, LLC | 0.04% | Reduce -69.8% | 166,052 | $1.1M |
| Legal & General Group Plc | 0.00% | Reduce -20.0% | 164,881 | $1.1M |
| JPMorgan Chase & Co. | 0.00% | Add +27.0% | 175,174 | $1.1M |
| SBI Securities Co., Ltd. | 0.03% | Reduce -10.6% | 140,646 | $963K |
| National Bank of Canada | 0.00% | Reduce -52.3% | 139,149 | $953K |
| Wells Fargo & Company | 0.00% | Reduce -62.7% | 137,928 | $945K |
| Fifth Third Bancorp | 0.00% | New | 134,300 | $920K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 132,344 | $907K |
| Concurrent Investment Advisors, LLC | 0.01% | Add +13.1% | 130,523 | $894K |
| Invesco Ltd. | 0.00% | Add +34.5% | 129,857 | $890K |
| Cetera Investment Advisers | 0.00% | Reduce -1.7% | 115,295 | $790K |
| MetLife Investment Management, LLC | 0.00% | Add +1.2% | 113,223 | $776K |
| Group One Trading LLC | 0.02% | Reduce -80.7% | 103,435 | $709K |
| Yarbrough Capital, LLC | 0.02% | No change | 99,056 | $679K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -5.3% | 95,797 | $656K |
| Virtu Financial LLC | 0.03% | Add +32.3% | 91,799 | $629K |
| Janus Henderson Group PLC | 0.00% | No change | 87,818 | $601K |
| State of Wisconsin Investment Board | 0.00% | Reduce -32.8% | 87,112 | $597K |
| Millennium Management | 0.00% | New | 87,035 | $596K |
| Stevens Capital Management LP | 0.09% | New | 86,700 | $594K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +26.4% | 86,598 | $593K |
| Russell Investments Group, Ltd. | 0.00% | Add +2.9% | 84,435 | $578K |
| Vident Advisory, LLC | 0.00% | Add +58.7% | 76,440 | $524K |
| XTX Topco Ltd | 0.01% | Add +109.4% | 74,759 | $512K |
| Vanguard Global Advisers, LLC | 0.00% | — | 74,729 | $512K |
| Amundi | 0.00% | New | 73,429 | $503K |
| Bouvel Investment Partners, LLC | 0.14% | Add +3.9% | 72,443 | $496K |
| AlphaGrep UK Ltd | 0.15% | New | 72,001 | $493K |
| Banque Pictet & Cie SA | 0.01% | No change | 72,000 | $493K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Reduce -9.5% | 71,319 | $489K |
| Citigroup Inc. | 0.00% | Add +89.5% | 70,481 | $483K |
| Landscape Capital Management, L.L.C. | 0.03% | Reduce -85.2% | 65,231 | $447K |
| Credit Agricole S A | 0.00% | New | 64,200 | $440K |
| Franklin Resources Inc. | 0.00% | Add +33.8% | 64,199 | $440K |
| New York State Common Retirement Fund | 0.00% | No change | 63,600 | $436K |
| Rockefeller Capital Management L.P. | 0.00% | Add +19.0% | 62,985 | $431K |
| PEAK6 LLC | 0.01% | New | 57,920 | $397K |
| Ameriprise Financial Inc. | 0.00% | Reduce -94.8% | 57,087 | $391K |
| Arizona State Retirement System | 0.00% | Add +0.4% | 55,405 | $380K |
| SG Americas Securities, LLC | 0.00% | Reduce -65.1% | 55,258 | $379K |
| Leonteq Securities AG | 0.02% | Add +14.9% | 55,155 | $378K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 54,144 | $371K |
| Jones Financial Companies LLLP | 0.00% | Add +4.4% | 53,478 | $356K |
| Hennion & Walsh Asset Management, Inc. | 0.01% | Add +39.4% | 50,819 | $348K |
| TD Waterhouse Canada Inc. | 0.00% | Add +27.6% | 50,973 | $338K |
| PFG Investments, LLC | 0.02% | Reduce -12.3% | 48,072 | $329K |
"% of holder's portfolio" is QUBT's weight in each manager's 13F, not the share of Quantum Computing Inc. the manager owns.