QUBTNasdaqServices-Prepackaged SoftwareFiscal year ends December 31
Quantum Computing Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 10, 2026
$6.42+0.06 (+0.94%)
Close on Oct 19, 2026
- Market cap
- $1.44B
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
45.5%
103M of 226M shares
Institutional holders
313
68 new, 43 sold out
Net institutional buying
10M
In Q2 2026
Insider trades, 12 months
0 buys · 3 sales
Net sold $648.25K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Yuping Huang | 23,302,068 | 10.33% | 13D (active) amendment | Apr 3, 2023 |
| BlackRock, Inc. | 15,045,407 | 6.70% | 13G (passive) amendment | Dec 31, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of QUBT | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 17,733,975 | 7.83% | $172.02M | +1,594,763 | 0.00% |
| Vanguard Capital Management LLC | 8,848,881 | 3.91% | $85.83M | +86,586 | 0.00% |
| Defiance ETFs, LLC | 7,033,410 | 3.11% | $66.33M | +2,538,327 | 0.90% |
| Penserra Capital Management LLC | 6,979,349 | 3.08% | $67.70K | +3,629,502 | 0.52% |
| Vanguard Portfolio Management LLC | 6,566,582 | 2.90% | $63.70M | −143,542 | 0.00% |
| Geode Capital Management, LLC | 5,322,648 | 2.35% | $51.64M | +622,343 | 0.00% |
| State Street Corp | 4,921,317 | 2.17% | $47.74M | +404,497 | 0.00% |
| Morgan Stanley | 3,292,011 | 1.45% | $31.93M | +971,285 | 0.00% |
| Marex Group plc | 2,302,359 | 1.02% | $22.33M | −2,186,553 | 0.09% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2,272,533 | 1.00% | $22.05M | +69,232 | 0.03% |
| UBS Group AG | 2,045,200 | 0.90% | $19.84M | +729,508 | 0.00% |
| Bank of New York Mellon Corp | 1,975,697 | 0.87% | $19.16M | +953,093 | 0.00% |
| Northern Trust Corp | 1,815,091 | 0.80% | $17.61M | +126,010 | 0.00% |
| Charles Schwab Investment Management Inc | 1,641,744 | 0.73% | $15.92M | +149,534 | 0.00% |
| Mubadala Investment Co PJSC | 1,587,350 | 0.70% | $15.40M | – | 0.04% |
| Capital Fund Management S.A. | 1,505,193 | 0.66% | $14.60M | −195,702 | 0.06% |
| National Bank Of Canada /Fi/ | 1,458,236 | 0.64% | $14.14M | +1,319,087 | 0.01% |
| Clear Street Group Inc. | 1,427,999 | 0.63% | $13.85M | +585,780 | 0.04% |
| Van Eck Associates Corp | 1,317,352 | 0.58% | $12.78M | +345,750 | 0.01% |
| Vanguard Fiduciary Trust Co | 1,301,720 | 0.58% | $12.63M | −41,906 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 313 | 103M | 45.5% | 68 / 128 | 60 / 43 | 21M | 11M |
| Q1 2026 | 294 | 93M | 41.1% | 57 / 102 | 74 / 45 | 29M | 18M |
| Q4 2025 | 287 | 99M | 43.5% | 84 / 133 | 48 / 51 | 43M | 35M |
| Q3 2025 | 259 | 91M | 40.3% | 79 / 103 | 47 / 39 | 45M | 10M |
| Q2 2025 | 222 | 56M | 24.8% | 89 / 87 | 26 / 32 | 38M | 4M |
| Q1 2025 | 166 | 22M | 9.9% | 80 / 50 | 18 / 35 | 11M | 11M |
| Q4 2024 | 125 | 22M | 9.7% | 101 / 15 | 4 / 9 | 18M | 0M |
| Q3 2024 | 34 | 4M | 1.8% | 5 / 9 | 8 / 17 | 1M | 0M |
| Q2 2024 | 47 | 4M | 1.8% | 10 / 14 | 8 / 8 | 1M | 1M |
| Q1 2024 | 46 | 4M | 1.6% | 13 / 10 | 7 / 11 | 1M | 0M |
| Q4 2023 | 45 | 3M | 1.4% | 9 / 10 | 6 / 6 | 0M | 0M |
| Q3 2023 | 42 | 3M | 1.3% | 9 / 6 | 10 / 6 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of QUBT | Value | % of fund | As of |
|---|---|---|---|---|---|
| Defiance Quantum ETF | 6,979,349 | 3.08% | $67.70M | 1.08% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 6,446,209 | 2.85% | $62.53M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 5,297,940 | 2.34% | $51.39M | 0.06% | Jun 30, 2026 |
| Vanguard Information Technology Index Fund | 5,067,301 | 2.24% | $60.60M | 0.04% | May 31, 2026 |
| Fidelity Small Cap Index Fund | 2,258,046 | 1.00% | $18.29M | 0.05% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 2,196,831 | 0.97% | $21.31M | 0.02% | Jun 30, 2026 |
| Global X Artificial Intelligence & Technology ETF | 2,126,970 | 0.94% | $25.44M | 0.23% | May 31, 2026 |
| iShares Russell 2000 Value ETF | 1,661,708 | 0.73% | $16.12M | 0.11% | Jun 30, 2026 |
| Vanguard Russell 2000 Index Fund | 1,035,948 | 0.46% | $12.39M | 0.07% | May 31, 2026 |
| Fidelity Extended Market Index Fund | 989,320 | 0.44% | $11.83M | 0.03% | May 31, 2026 |
| WisdomTree Quantum Computing Fund | 943,348 | 0.42% | $9.15M | 2.79% | Jun 30, 2026 |
| Schwab U.S. Small-Cap ETF | 912,669 | 0.40% | $10.92M | 0.05% | May 31, 2026 |
| Fidelity MSCI Information Technology Index ETF | 646,575 | 0.29% | $5.24M | 0.03% | Jul 31, 2026 |
| Schwab Small-Cap Index Fund | 501,337 | 0.22% | $4.06M | 0.05% | Jul 31, 2026 |
| Permanent Portfolio | 500,000 | 0.22% | $4.05M | 0.06% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Yuping Huang | CEO and President, Director, 10% owner | 23,531,173 | 10.40% | Aug 24, 2026 |
| Susan G. Hunt | Chief Revenue Officer | 10 | 0.00% | Jul 29, 2026 |
| Milan Begliarbekov | Chief Operating Officer | 50,314 | 0.02% | Jun 1, 2026 |
| Pouya Dianat | Chief Revenue Officer | 24,774 | 0.01% | Jun 1, 2026 |
| Christopher Bruce Roberts | CFO and General Counsel | 1,123,038 | 0.50% | Mar 11, 2026 |
| Christopher Boehmler | Chief Financial Officer | 351,152 | 0.16% | Jun 16, 2025 |
| William J. McGann | CEO | 1,249,169 | 0.55% | Apr 4, 2025 |
| Eric Mark Schwartz | Director | 22,123 | 0.01% | Apr 14, 2026 |
| Robert B. Fagenson | Director | 22,123 | 0.01% | Apr 14, 2026 |
| Michael C. Turmelle | Director | 22,123 | 0.01% | Apr 14, 2026 |
| Carl Scott Weimer | Director | 22,123 | 0.01% | Apr 14, 2026 |
| Javad Shabani | Director | 22,123 | 0.01% | Apr 14, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Yuping Huang CEO and President, Director, 10% owner | Aug 20, 2026 | Award | +584,897 | – | – | 21,531,173 |
| Yuping Huang CEO and President, Director, 10% owner | Aug 20, 2026 | Award | +584,897 | $8.95 | $5.23M | 21,531,173 |
| Pouya Dianat Chief Revenue Officer | May 28, 2026 | Award | +24,774 | – | – | 24,774 |
| Yuping Huang CEO and President, Director, 10% owner | May 28, 2026 | Award | +58,558 | – | – | 20,946,276 |
| Milan Begliarbekov Chief Operating Officer | May 28, 2026 | Award | +24,774 | – | – | 50,314 |
| Javad Shabani Director | Apr 13, 2026 | Award | +22,123 | $6.78 | $149.99K | 22,123 |
| Eric Mark Schwartz Director | Apr 13, 2026 | Award | +22,123 | $6.78 | $149.99K | 22,123 |
| Robert B. Fagenson Director | Apr 13, 2026 | Award | +22,123 | $6.78 | $149.99K | 22,123 |
| Michael C. Turmelle Director | Apr 13, 2026 | Award | +22,123 | $6.78 | $149.99K | 22,123 |
| Carl Scott Weimer Director | Apr 13, 2026 | Award | +22,123 | $6.78 | $149.99K | 22,123 |
| Christopher Bruce Roberts CFO and General Counsel | Mar 11, 2026 | Sale | −9,360 | $7.85 | $73.48K | 1,123,038 |
| Christopher Bruce Roberts CFO and General Counsel | Mar 10, 2026 | Sale | −68,902 | $7.85 | $540.88K | 1,132,398 |
| Christopher Bruce Roberts CFO and General Counsel | Mar 10, 2026 | Option exercise | +400,000 | $6.85 | $2.74M | 1,201,300 |
| Milan Begliarbekov Chief Operating Officer | Jan 7, 2026 | Sale | −2,860 | $11.85 | $33.89K | 24,240 |
| Milan Begliarbekov Chief Operating Officer | Dec 31, 2025 | Award | +13,550 | $10.26 | $139.02K | 27,100 |
| Robert B. Fagenson Director | Sep 15, 2025 | Sale | −5,000 | $16.88 | $84.40K | 0 |
| Yuping Huang CEO, President, Director, 10% owner | Sep 12, 2025 | Gift | −400,000 | – | – | 20,887,718 |
| Robert B. Fagenson Director | Sep 12, 2025 | Sale | −15,000 | $15.62 | $234.30K | 5,000 |
| Robert B. Fagenson Director | Sep 11, 2025 | Sale | −30,000 | $15.63 | $468.90K | 20,000 |
| Robert B. Fagenson Director | Sep 10, 2025 | Sale | −35,000 | $15.52 | $543.20K | 50,000 |
| Robert B. Fagenson Director | Sep 9, 2025 | Sale | −15,000 | $15.02 | $225.30K | 85,000 |
| Javad Shabani Director | Sep 8, 2025 | Sale | −17,474 | $15.26 | $266.65K | 0 |
| Javad Shabani Director | Sep 5, 2025 | Sale | −20,000 | $15.30 | $306.00K | 17,474 |
| Yuping Huang CEO, President, Director, 10% owner | Sep 4, 2025 | Sale | −1,000,000 | $14.42 | $14.42M | 21,287,718 |
| Pouya Dianat Chief Revenue Officer | Aug 25, 2025 | Sale | −17,175 | $15.53 | $266.73K | 0 |
| Javad Shabani Director | Aug 18, 2025 | Option exercise | +37,474 | – | – | 37,474 |
| Pouya Dianat Chief Revenue Officer | Aug 18, 2025 | Option exercise | +17,175 | – | – | 17,175 |
| Yuping Huang Interim CEO, President, Director, 10% owner | Jun 30, 2025 | Option exercise | +1,050,812 | – | – | 22,287,718 |
| Christopher Boehmler Chief Financial Officer | Jun 13, 2025 | Option exercise | +22,314 | $7.96 | $177.62K | 351,152 |
| Christopher Boehmler Chief Financial Officer | Jun 13, 2025 | Option exercise | +77,114 | $2.56 | $197.41K | 77,114 |
| Christopher Boehmler Chief Financial Officer | Jun 13, 2025 | Option exercise | +58,510 | $0.46 | $26.91K | 328,838 |
| Christopher Boehmler Chief Financial Officer | Jun 13, 2025 | Option exercise | +7,495 | $2.37 | $17.76K | 84,609 |
| Christopher Boehmler Chief Financial Officer | Jun 13, 2025 | Option exercise | +185,719 | $1.18 | $219.15K | 270,328 |
| Christopher Boehmler Chief Financial Officer | Jun 12, 2025 | Sale | −46,440 | $20.00 | $928.80K | 0 |
| Christopher Boehmler Chief Financial Officer | Jun 11, 2025 | Sale | −83,495 | $19.92 | $1.66M | 47,565 |
| Christopher Boehmler Chief Financial Officer | Jun 10, 2025 | Sale | −96,679 | $15.96 | $1.54M | 131,060 |
| Michael C. Turmelle Director | Jun 9, 2025 | Sale | −200,986 | $14.18 | $2.85M | 0 |
| Christopher Boehmler Chief Financial Officer | Jun 9, 2025 | Sale | −92,271 | $15.00 | $1.38M | 227,739 |
| Michael C. Turmelle Director | Jun 3, 2025 | Option exercise | +80,246 | $2.40 | $192.59K | 80,246 |
| Michael C. Turmelle Director | Jun 3, 2025 | Option exercise | +120,740 | $2.37 | $286.15K | 120,740 |
| Pouya Dianat Chief Revenue Officer | May 28, 2025 | Option exercise | −1,810 | $12.79 | $23.15K | 0 |
| Pouya Dianat Chief Revenue Officer | May 22, 2025 | Option exercise | +1,810 | $7.96 | $14.41K | 1,810 |
| Yuping Huang Chief Quantum Officer, Director, 10% owner | May 19, 2025 | Sale | −500,000 | $11.70 | $5.85M | 21,236,906 |
| Javad Shabani Director | May 19, 2025 | Sale | −39,973 | $11.66 | $466.09K | 0 |
| William J. McGann CEO | Apr 2, 2025 | Option exercise | +1,080,069 | – | – | 1,249,169 |
| Yuping Huang Chief Quantum Officer, Director, 10% owner | Mar 27, 2025 | Gift | −2,000,000 | – | – | 22,051,256 |
| Yuping Huang Chief Quantum Officer, Director, 10% owner | Mar 27, 2025 | Gift | +2,000,000 | – | – | 2,000,000 |
| Yuping Huang Chief Quantum Officer, Director, 10% owner | Mar 27, 2025 | Gift | −2,000,000 | – | – | 22,051,256 |
| Yuping Huang Chief Quantum Officer, Director, 10% owner | Mar 25, 2025 | Sale | −200,000 | $8.48 | $1.70M | 24,051,256 |
| Christopher Boehmler Chief Financial Officer | Oct 3, 2024 | Award | +259,700 | – | – | 320,010 |
| Robert Liscouski Director | Apr 18, 2024 | Gift | −75,000 | – | – | 989,055 |
| Robert Liscouski Director | Mar 19, 2024 | Award | +168,000 | – | – | 1,064,055 |
| Robert Liscouski President, CEO, Director | Sep 27, 2023 | Sale(10b5-1 plan) | −15,000 | $1.10 | $16.50K | 896,055 |
| Robert Liscouski President, CEO, Director | Aug 25, 2023 | Sale(10b5-1 plan) | −15,000 | $1.22 | $18.30K | 911,055 |
| Robert Liscouski President, CEO, Director | Jul 28, 2023 | Sale(10b5-1 plan) | −15,000 | $1.22 | $18.30K | 926,055 |
| Yuping Huang Chief Quantum Officer, Director, 10% owner | Jun 27, 2023 | Sale | −100,000 | – | – | 23,936,906 |
| Robert Liscouski President, CEO, Director | Jun 26, 2023 | Sale(10b5-1 plan) | −12,000 | – | – | 941,055 |
| Robert Liscouski President, CEO, Director | May 26, 2023 | Sale(10b5-1 plan) | −12,000 | – | – | 953,055 |
| Robert Liscouski President, CEO, Director | Apr 25, 2023 | Sale(10b5-1 plan) | −12,000 | – | – | 965,055 |
| Yuping Huang Chief Quantum Officer, Director, 10% owner | Apr 3, 2023 | Award | +83,200 | – | – | 24,036,906 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Roberts Christopher Officer | Mar 11, 2026 | 9,360 | $73.49K | Mar 11, 2026 | Exercise of options under a registered plan |
| Roberts Christopher Officer | Mar 10, 2026 | 68,902 | $541.00K | Mar 10, 2026 | Exercise of options under a registered plan |
| Huang Yuping Director, Officer, 10% Owner | Sep 4, 2025 | 1,000,000 | $14.55M | Sep 4, 2025 | Share issuance in connection with merger between Qphoton, Inc. and Quantum Computing Inc |
| Roberts Christopher Outside Counsel and Consultant | Jun 12, 2025 | 37,467 | $468.34K | May 23, 2025 | Exercise of options under a registered plan |
| Christopher Boehmler Officer | Jun 11, 2025 | 129,935 | $1.97M | Jun 11, 2025 | Stock Award |
| Christopher Boehmler Officer | Jun 6, 2025 | 188,950 | $2.26M | Jun 6, 2025 | Stock Award |
| Roberts Christopher Outside Counsel and Consultant | May 23, 2025 | 37,467 | $468.34K | May 23, 2025 | Exercise of options under a registered plan |
| Roberts Christopher Outside Counsel and Consultant | May 22, 2025 | 13,094 | $163.68K | May 22, 2025 | Exercise of options under a registered plan |
| Roberts Christopher Outside Counsel and Consultant | May 20, 2025 | 250,000 | $3.16M | May 20, 2025 | Exercise of options under a registered plan |
| Roberts Christopher Outside Counsel and Consultant | May 19, 2025 | 65,451 | $776.64K | May 19, 2025 | Exercise of options under a registered plan |
| Huang Yuping Director, Officer, 10% Owner | May 19, 2025 | 500,000 | $6.44M | May 19, 2025 | Share issuance in connection with merger between Qphoton, Inc. and Quantum Computing Inc |
| Huang Yuping Director, Officer, 10% Owner | Mar 25, 2025 | 200,000 | $1.70M | Mar 25, 2025 | Share issuance in connection with merger between Qphoton, Inc. and Quantum Computing Inc |
| Huang Yuping CHIEF QUANTUM OFFICER | Jun 27, 2023 | 100,000 | $132.00K | Jun 27, 2023 | Share Issuance in connection with merger between Qphoton Inc. and Quantum Computing Inc. |