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, Q1 2026
Institutional positions in Quantum Computing Inc. as of Mar 31, 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
- 296
- +14 vs. Q4 2025
- Shares held
- 92.9M
- +11.4M (+14.1%) vs. Q4 2025
- Total value
- $637.2M
- −$199.3M (−23.8%) vs. Q4 2025
- New holders
- 59
- 102 more added
- Sold out
- 45
- 74 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Quantum Computing Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 16,139,212 | $110.6M | 0.00% | −507,800−3.1% | Reduced |
| Vanguard Capital Management LLC | 8,762,295 | $60.0M | 0.00% | +8,762,295 | New |
| Vanguard Portfolio Management LLC | 6,710,124 | $46.0M | 0.00% | +6,710,124 | New |
| Geode Capital Management, LLC | 4,700,305 | $32.2M | 0.00% | +135,113+3.0% | Added |
| State Street Corp | 4,516,820 | $30.9M | 0.00% | +172,797+4.0% | Added |
| Defiance ETFs, LLC | 4,495,083 | $30.8M | 0.44% | +1,315,178+41.4% | Added |
| Marex Group plc | 4,488,912 | $30.7M | 0.32% | −3,783,241−45.7% | Reduced |
| Penserra Capital Management LLC | 3,349,847 | $22.9M | 0.27% | +169,942+5.3% | Added |
| Morgan Stanley | 2,320,726 | $15.9M | 0.00% | +991,145+74.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 2,203,301 | $15.1M | 0.02% | +975,133+79.4% | Added |
| Capital Fund Management S.A. | 1,700,895 | $11.7M | 0.10% | −552,346−24.5% | Reduced |
| Northern Trust Corp | 1,689,081 | $11.6M | 0.00% | +37,973+2.3% | Added |
| Mubadala Investment Co PJSC | 1,587,350 | $10.9M | 0.05% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 1,492,210 | $10.2M | 0.00% | −130,491−8.0% | Reduced |
| Squarepoint Ops LLC | 1,351,733 | $9.26M | 0.02% | +419,562+45.0% | Added |
| Vanguard Fiduciary Trust Co | 1,343,626 | $9.20M | 0.00% | +1,343,626 | New |
| UBS Group AG | 1,315,692 | $9.01M | 0.00% | −16,238−1.2% | Reduced |
| HRT Financial LP | 1,275,863 | $8.74M | 0.02% | +1,275,863 | New |
| Bank of New York Mellon Corp | 1,022,604 | $7.00M | 0.00% | +428,418+72.1% | Added |
| Pacific Heights Asset Management LLC | 1,000,000 | $6.85M | 0.23% | +100,000+11.1% | Added |
| Van Eck Associates Corp | 971,602 | $6.66M | 0.00% | +402,093+70.6% | Added |
| Jump Financial, LLC | 939,433 | $6.44M | 0.10% | −422,734−31.0% | Reduced |
| Goldman Sachs Group Inc | 907,974 | $6.22M | 0.00% | +127,153+16.3% | Added |
| Citadel Advisors LLC | 860,980 | $5.90M | 0.00% | −1,526,261−63.9% | Reduced |
| Clear Street Group Inc. | 842,219 | $5.77M | 0.03% | −307,646−26.8% | Reduced |
| Raymond James Financial Inc | 789,583 | $5.41M | 0.00% | +386,539+95.9% | Added |
| D. E. Shaw & Co., Inc. | 718,210 | $4.92M | 0.00% | +581,390+424.9% | Added |
| Susquehanna International Group, LLP | 687,823 | $4.71M | 0.01% | −1,543,631−69.2% | Reduced |
| Renaissance Technologies LLC | 667,674 | $4.57M | 0.01% | +532,451+393.8% | Added |
| Engineers Gate Manager LP | 658,589 | $4.51M | 0.06% | +658,589 | New |
| Nuveen, LLC | 631,678 | $4.33M | 0.00% | −325,907−34.0% | Reduced |
| Blackstone Group Inc. | 500,000 | $3.42M | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 439,775 | $3.01M | 0.00% | −73,508−14.3% | Reduced |
| Quantbot Technologies LP | 411,048 | $2.82M | 0.12% | +408,849+18,592.5% | Added |
| Swiss National Bank | 397,700 | $2.72M | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 384,252 | $2.63M | 0.00% | +384,252 | New |
| UNICOM Systems, Inc. | 362,279 | $2.48M | 0.25% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 340,925 | $2.34M | 0.00% | −95,751−21.9% | Reduced |
| Alliancebernstein L.P. | 210,478 | $2.16M | 0.00% | −19,743−8.6% | Reduced |
| Algert Global LLC | 313,631 | $2.15M | 0.03% | +1,502+0.5% | Added |
| LPL Financial LLC | 282,863 | $1.94M | 0.00% | +12,667+4.7% | Added |
| Headlands Technologies LLC | 277,198 | $1.90M | 0.22% | +277,198 | New |
| California State Teachers Retirement System | 252,002 | $1.73M | 0.00% | +61,790+32.5% | Added |
| UBS Asset Management Americas Inc | 250,461 | $1.72M | 0.00% | −100,819−28.7% | Reduced |
| Rhumbline Advisers | 234,995 | $1.61M | 0.00% | +7,650+3.4% | Added |
| Price T Rowe Associates Inc | 227,409 | $1.56M | 0.00% | +42,637+23.1% | Added |
| Quadrature Capital Ltd | 209,348 | $1.43M | 0.02% | −80,030−27.7% | Reduced |
| Royal Bank of Canada | 197,491 | $1.35M | 0.00% | +108,558+122.1% | Added |
| Foundations Investment Advisors, LLC | 189,817 | $1.30M | 0.02% | +19,836+11.7% | Added |
| SLT Holdings LLC | 188,050 | $1.29M | 0.91% | +18,750+11.1% | Added |
| Los Angeles Capital Management LLC | 185,609 | $1.27M | 0.01% | +157,386+557.7% | Added |
| Focus Financial Network, Inc. | 181,395 | $1.24M | 0.04% | −205,827−53.2% | Reduced |
| Walleye Trading LLC | 178,992 | $1.23M | 0.03% | +93,986+110.6% | Added |
| Deutsche Bank AG | 173,588 | $1.19M | 0.00% | +11,372+7.0% | Added |
| Simplex Trading, LLC | 166,052 | $1.14M | 0.04% | −382,997−69.8% | Reduced |
| Legal & General Group Plc | 164,881 | $1.13M | 0.00% | −41,282−20.0% | Reduced |
| JPMorgan Chase & Co | 175,174 | $1.11M | 0.00% | +37,255+27.0% | Added |
| SBI Securities Co., Ltd. | 140,646 | $963.4K | 0.03% | −16,711−10.6% | Reduced |
| National Bank of Canada | 139,149 | $952.9K | 0.00% | −152,352−52.3% | Reduced |
| Wells Fargo & Company | 137,928 | $944.8K | 0.00% | −231,432−62.7% | Reduced |
| Fifth Third Bancorp | 134,300 | $920.0K | 0.00% | +134,300 | New |
| Vanguard Asset Management, Ltd | 132,344 | $906.6K | 0.00% | +132,344 | New |
| Concurrent Investment Advisors, LLC | 130,523 | $894.1K | 0.01% | +15,147+13.1% | Added |
| Invesco Ltd. | 129,857 | $889.5K | 0.00% | +33,300+34.5% | Added |
| Cetera Investment Advisers | 115,295 | $789.8K | 0.00% | −2,036−1.7% | Reduced |
| MetLife Investment Management | 113,223 | $775.6K | 0.00% | +1,337+1.2% | Added |
| Group One Trading, L.P. | 103,435 | $708.5K | 0.02% | −431,810−80.7% | Reduced |
| Yarbrough Capital, LLC | 99,056 | $678.5K | 0.02% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 95,797 | $656.2K | 0.00% | −5,321−5.3% | Reduced |
| Virtu Financial LLC | 91,799 | $629.0K | 0.03% | +22,425+32.3% | Added |
| Janus Henderson Group PLC | 87,818 | $600.7K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 87,112 | $596.7K | 0.00% | −42,509−32.8% | Reduced |
| Millennium Management LLC | 87,035 | $596.2K | 0.00% | +87,035 | New |
| Stevens Capital Management LP | 86,700 | $594.0K | 0.09% | +86,700 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 86,598 | $593.2K | 0.00% | +18,114+26.4% | Added |
| Russell Investments Group, Ltd. | 84,435 | $578.4K | 0.00% | +2,345+2.9% | Added |
| Vident Advisory, LLC | 76,440 | $523.6K | 0.00% | +28,276+58.7% | Added |
| XTX Topco Ltd | 74,759 | $512.1K | 0.01% | +39,053+109.4% | Added |
| Vanguard Global Advisers, LLC | 74,729 | $511.9K | 0.00% | +74,729 | New |
| Amundi | 73,429 | $503.0K | 0.00% | +73,429 | New |
| Bouvel Investment Partners, LLC | 72,443 | $496.2K | 0.14% | +2,684+3.8% | Added |
| AlphaGrep UK Ltd | 72,001 | $493.2K | 0.15% | +72,001 | New |
| Banque Pictet & Cie SA | 72,000 | $493.2K | 0.01% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 71,319 | $489.0K | 0.00% | −7,519−9.5% | Reduced |
| Citigroup Inc | 70,481 | $482.8K | 0.00% | +33,287+89.5% | Added |
| Landscape Capital Management, L.L.C. | 65,231 | $446.8K | 0.03% | −374,786−85.2% | Reduced |
| Credit Agricole S A | 64,200 | $439.8K | 0.00% | +64,200 | New |
| Franklin Resources Inc | 64,199 | $439.8K | 0.00% | +16,229+33.8% | Added |
| New York State Common Retirement Fund | 63,600 | $435.7K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 62,985 | $431.4K | 0.00% | +10,061+19.0% | Added |
| PEAK6 LLC | 57,920 | $396.8K | 0.01% | +57,920 | New |
| Ameriprise Financial Inc | 57,087 | $391.0K | 0.00% | −1,047,313−94.8% | Reduced |
| Arizona State Retirement System | 55,405 | $379.5K | 0.00% | +204+0.4% | Added |
| SG Americas Securities, LLC | 55,258 | $379.0K | 0.00% | −103,259−65.1% | Reduced |
| Leonteq Securities AG | 55,155 | $377.8K | 0.02% | +7,137+14.9% | Added |
| Police & Firemen's Retirement System of New Jersey | 54,144 | $370.9K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 53,478 | $356.2K | 0.00% | +2,269+4.4% | Added |
| Hennion & Walsh Asset Management, Inc. | 50,819 | $348.1K | 0.01% | +14,362+39.4% | Added |
| TD Waterhouse Canada Inc. | 50,973 | $338.3K | 0.00% | +11,035+27.6% | Added |
| PFG Investments, LLC | 48,072 | $329.3K | 0.02% | −6,725−12.3% | Reduced |