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 |
|---|---|---|---|---|---|
| Police & Firemen's Retirement System of New Jersey | 54,144 | $370.9K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 55,155 | $377.8K | 0.02% | +7,137+14.9% | Added |
| SG Americas Securities, LLC | 55,258 | $379.0K | 0.00% | −103,259−65.1% | Reduced |
| Arizona State Retirement System | 55,405 | $379.5K | 0.00% | +204+0.4% | Added |
| Ameriprise Financial Inc | 57,087 | $391.0K | 0.00% | −1,047,313−94.8% | Reduced |
| PEAK6 LLC | 57,920 | $396.8K | 0.01% | +57,920 | New |
| Rockefeller Capital Management L.P. | 62,985 | $431.4K | 0.00% | +10,061+19.0% | Added |
| New York State Common Retirement Fund | 63,600 | $435.7K | 0.00% | 00.0% | Unchanged |
| Franklin Resources Inc | 64,199 | $439.8K | 0.00% | +16,229+33.8% | Added |
| Credit Agricole S A | 64,200 | $439.8K | 0.00% | +64,200 | New |
| Landscape Capital Management, L.L.C. | 65,231 | $446.8K | 0.03% | −374,786−85.2% | Reduced |
| Citigroup Inc | 70,481 | $482.8K | 0.00% | +33,287+89.5% | Added |
| Cambridge Investment Research Advisors, Inc. | 71,319 | $489.0K | 0.00% | −7,519−9.5% | Reduced |
| Banque Pictet & Cie SA | 72,000 | $493.2K | 0.01% | 00.0% | Unchanged |
| AlphaGrep UK Ltd | 72,001 | $493.2K | 0.15% | +72,001 | New |
| Bouvel Investment Partners, LLC | 72,443 | $496.2K | 0.14% | +2,684+3.8% | Added |
| Amundi | 73,429 | $503.0K | 0.00% | +73,429 | New |
| Vanguard Global Advisers, LLC | 74,729 | $511.9K | 0.00% | +74,729 | New |
| XTX Topco Ltd | 74,759 | $512.1K | 0.01% | +39,053+109.4% | Added |
| Vident Advisory, LLC | 76,440 | $523.6K | 0.00% | +28,276+58.7% | Added |
| Russell Investments Group, Ltd. | 84,435 | $578.4K | 0.00% | +2,345+2.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 86,598 | $593.2K | 0.00% | +18,114+26.4% | Added |
| Stevens Capital Management LP | 86,700 | $594.0K | 0.09% | +86,700 | New |
| Millennium Management LLC | 87,035 | $596.2K | 0.00% | +87,035 | New |
| State of Wisconsin Investment Board | 87,112 | $596.7K | 0.00% | −42,509−32.8% | Reduced |
| Janus Henderson Group PLC | 87,818 | $600.7K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 91,799 | $629.0K | 0.03% | +22,425+32.3% | Added |
| Manufacturers Life Insurance Company, The | 95,797 | $656.2K | 0.00% | −5,321−5.3% | Reduced |
| Yarbrough Capital, LLC | 99,056 | $678.5K | 0.02% | 00.0% | Unchanged |
| Group One Trading, L.P. | 103,435 | $708.5K | 0.02% | −431,810−80.7% | Reduced |
| MetLife Investment Management | 113,223 | $775.6K | 0.00% | +1,337+1.2% | Added |
| Cetera Investment Advisers | 115,295 | $789.8K | 0.00% | −2,036−1.7% | Reduced |
| Invesco Ltd. | 129,857 | $889.5K | 0.00% | +33,300+34.5% | Added |
| Concurrent Investment Advisors, LLC | 130,523 | $894.1K | 0.01% | +15,147+13.1% | Added |
| Vanguard Asset Management, Ltd | 132,344 | $906.6K | 0.00% | +132,344 | New |
| Fifth Third Bancorp | 134,300 | $920.0K | 0.00% | +134,300 | New |
| Wells Fargo & Company | 137,928 | $944.8K | 0.00% | −231,432−62.7% | Reduced |
| National Bank of Canada | 139,149 | $952.9K | 0.00% | −152,352−52.3% | Reduced |
| SBI Securities Co., Ltd. | 140,646 | $963.4K | 0.03% | −16,711−10.6% | Reduced |
| JPMorgan Chase & Co | 175,174 | $1.11M | 0.00% | +37,255+27.0% | Added |
| Legal & General Group Plc | 164,881 | $1.13M | 0.00% | −41,282−20.0% | Reduced |
| Simplex Trading, LLC | 166,052 | $1.14M | 0.04% | −382,997−69.8% | Reduced |
| Deutsche Bank AG | 173,588 | $1.19M | 0.00% | +11,372+7.0% | Added |
| Walleye Trading LLC | 178,992 | $1.23M | 0.03% | +93,986+110.6% | Added |
| Focus Financial Network, Inc. | 181,395 | $1.24M | 0.04% | −205,827−53.2% | Reduced |
| Los Angeles Capital Management LLC | 185,609 | $1.27M | 0.01% | +157,386+557.7% | Added |
| SLT Holdings LLC | 188,050 | $1.29M | 0.91% | +18,750+11.1% | Added |
| Foundations Investment Advisors, LLC | 189,817 | $1.30M | 0.02% | +19,836+11.7% | Added |
| Royal Bank of Canada | 197,491 | $1.35M | 0.00% | +108,558+122.1% | Added |
| Quadrature Capital Ltd | 209,348 | $1.43M | 0.02% | −80,030−27.7% | Reduced |
| Price T Rowe Associates Inc | 227,409 | $1.56M | 0.00% | +42,637+23.1% | Added |
| Rhumbline Advisers | 234,995 | $1.61M | 0.00% | +7,650+3.4% | Added |
| UBS Asset Management Americas Inc | 250,461 | $1.72M | 0.00% | −100,819−28.7% | Reduced |
| California State Teachers Retirement System | 252,002 | $1.73M | 0.00% | +61,790+32.5% | Added |
| Headlands Technologies LLC | 277,198 | $1.90M | 0.22% | +277,198 | New |
| LPL Financial LLC | 282,863 | $1.94M | 0.00% | +12,667+4.7% | Added |
| Algert Global LLC | 313,631 | $2.15M | 0.03% | +1,502+0.5% | Added |
| Alliancebernstein L.P. | 210,478 | $2.16M | 0.00% | −19,743−8.6% | Reduced |
| BNP Paribas Arbitrage, SA | 340,925 | $2.34M | 0.00% | −95,751−21.9% | Reduced |
| UNICOM Systems, Inc. | 362,279 | $2.48M | 0.25% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 384,252 | $2.63M | 0.00% | +384,252 | New |
| Swiss National Bank | 397,700 | $2.72M | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 411,048 | $2.82M | 0.12% | +408,849+18,592.5% | Added |
| Bank of America Corp | 439,775 | $3.01M | 0.00% | −73,508−14.3% | Reduced |
| Blackstone Group Inc. | 500,000 | $3.42M | 0.01% | 00.0% | Unchanged |
| Nuveen, LLC | 631,678 | $4.33M | 0.00% | −325,907−34.0% | Reduced |
| Engineers Gate Manager LP | 658,589 | $4.51M | 0.06% | +658,589 | New |
| Renaissance Technologies LLC | 667,674 | $4.57M | 0.01% | +532,451+393.8% | Added |
| Susquehanna International Group, LLP | 687,823 | $4.71M | 0.01% | −1,543,631−69.2% | Reduced |
| D. E. Shaw & Co., Inc. | 718,210 | $4.92M | 0.00% | +581,390+424.9% | Added |
| Raymond James Financial Inc | 789,583 | $5.41M | 0.00% | +386,539+95.9% | Added |
| Clear Street Group Inc. | 842,219 | $5.77M | 0.03% | −307,646−26.8% | Reduced |
| Citadel Advisors LLC | 860,980 | $5.90M | 0.00% | −1,526,261−63.9% | Reduced |
| Goldman Sachs Group Inc | 907,974 | $6.22M | 0.00% | +127,153+16.3% | Added |
| Jump Financial, LLC | 939,433 | $6.44M | 0.10% | −422,734−31.0% | Reduced |
| Van Eck Associates Corp | 971,602 | $6.66M | 0.00% | +402,093+70.6% | Added |
| Pacific Heights Asset Management LLC | 1,000,000 | $6.85M | 0.23% | +100,000+11.1% | Added |
| Bank of New York Mellon Corp | 1,022,604 | $7.00M | 0.00% | +428,418+72.1% | Added |
| HRT Financial LP | 1,275,863 | $8.74M | 0.02% | +1,275,863 | New |
| UBS Group AG | 1,315,692 | $9.01M | 0.00% | −16,238−1.2% | Reduced |
| Vanguard Fiduciary Trust Co | 1,343,626 | $9.20M | 0.00% | +1,343,626 | New |
| Squarepoint Ops LLC | 1,351,733 | $9.26M | 0.02% | +419,562+45.0% | Added |
| Charles Schwab Investment Management Inc | 1,492,210 | $10.2M | 0.00% | −130,491−8.0% | Reduced |
| Mubadala Investment Co PJSC | 1,587,350 | $10.9M | 0.05% | 00.0% | Unchanged |
| Northern Trust Corp | 1,689,081 | $11.6M | 0.00% | +37,973+2.3% | Added |
| Capital Fund Management S.A. | 1,700,895 | $11.7M | 0.10% | −552,346−24.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 2,203,301 | $15.1M | 0.02% | +975,133+79.4% | Added |
| Morgan Stanley | 2,320,726 | $15.9M | 0.00% | +991,145+74.5% | Added |
| Penserra Capital Management LLC | 3,349,847 | $22.9M | 0.27% | +169,942+5.3% | Added |
| Marex Group plc | 4,488,912 | $30.7M | 0.32% | −3,783,241−45.7% | Reduced |
| Defiance ETFs, LLC | 4,495,083 | $30.8M | 0.44% | +1,315,178+41.4% | Added |
| State Street Corp | 4,516,820 | $30.9M | 0.00% | +172,797+4.0% | Added |
| Geode Capital Management, LLC | 4,700,305 | $32.2M | 0.00% | +135,113+3.0% | Added |
| Vanguard Portfolio Management LLC | 6,710,124 | $46.0M | 0.00% | +6,710,124 | New |
| Vanguard Capital Management LLC | 8,762,295 | $60.0M | 0.00% | +8,762,295 | New |
| BlackRock, Inc. | 16,139,212 | $110.6M | 0.00% | −507,800−3.1% | Reduced |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −1,026,700−100.0% | Sold out |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −638,349−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −140,267−100.0% | Sold out |