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QUANTUM COMPUTNG (QUBT)
NASDAQ
$8.90-$0.03 (-0.28%)
Price as of Aug 21, 2026 7:59 PM EDT- $2.0BMarket Cap
- -43.65%1-Year Change
- Computer HardwareIndustry
QUANTUM COMPUTNG (QUBT)
$8.90-$0.03 (-0.28%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 7.90% | 17.7M | +1.6M (+8.99%) | Jun 30, 2026 |
VANGUARD GROUP INC | 7.50% | 16.8M | +4.6M (+27.57%) | Dec 31, 2025 |
VANGUARD CAPITAL MANAGEMENT LLC | 3.94% | 8.8M | +86,586 (+0.98%) | Jun 30, 2026 |
JANE STREET GROUP, LLC | 3.17% | 7.1M | +6.6M (+92.72%) | Jun 30, 2026 |
N/A | 3.13% | 7.0M | +2.5M (+36.09%) | Jun 30, 2026 |
DEFIANCE ETFS, LLC | 3.13% | 7.0M | +2.5M (+36.09%) | Jun 30, 2026 |
PENSERRA CAPITAL MANAGEMENT LLC | 3.11% | 7.0M | +3.6M (+52.00%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 3.80% | 8.5M | +113,744 (+1.33%) | Mar 31, 2026 |
VANGUARD WORLD FUND | 2.26% | 5.1M | +17,688 (+0.35%) | May 31, 2026 |
ETF Series Solutions | 1.49% | 3.3M | 0 (0.00%) | Apr 30, 2026 |
Global X Funds | 0.95% | 2.1M | +92,688 (+4.34%) | May 31, 2026 |
FIDELITY SALEM STREET TRUST | 0.90% | 2.0M | +1.9M (+92.44%) | Apr 30, 2026 |
FIDELITY CONCORD STREET TRUST | 0.79% | 1.8M | +5,547 (+0.31%) | May 31, 2026 |
VANGUARD SCOTTSDALE FUNDS | 0.55% | 1.2M | +41,607 (+3.35%) | May 31, 2026 |
Current Ownership Distribution
- Institutions541.2M (72.30%)
- Mutual Funds180.3M (24.09%)
- Insiders27.1M (3.61%)
- Other0 (0.00%)
Insider Transactions
- 3.61% (27.1M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 3Number of InsiderSelling (last 12 months)
- $19.1MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Huang Yuping CEO and President | In The Money | Aug 20, 2026 | $0.00 | 584,897 | $0.00 | 15,316 |
Huang Yuping CEO and President | Award | Aug 20, 2026 | $5.2M | 584,897 | $8.95 | 21.5M |
Roberts Christopher Bruce CFO and General Counsel | Sell | Mar 11, 2026 | $73,494.72 | 9,360 | $7.85 | 1.1M |
Roberts Christopher Bruce CFO and General Counsel | Exempt | Mar 10, 2026 | $0.00 | 400,000 | $0.00 | 300,000 |
Roberts Christopher Bruce CFO and General Counsel | Exempt | Mar 10, 2026 | $2.7M | 400,000 | $6.85 | 1.2M |
Roberts Christopher Bruce CFO and General Counsel | Sell | Mar 10, 2026 | $541,004.72 | 68,902 | $7.85 | 1.1M |
FAGENSON ROBERT B | Sell | Sep 15, 2025 | $84,410.00 | 5,000 | $16.88 | 0 |
FAGENSON ROBERT B | Sell | Sep 12, 2025 | $234,361.50 | 15,000 | $15.62 | 5,000 |
FAGENSON ROBERT B | Sell | Sep 11, 2025 | $468,882.00 | 30,000 | $15.63 | 20,000 |
FAGENSON ROBERT B | Sell | Sep 10, 2025 | $543,053.00 | 35,000 | $15.52 | 50,000 |
FAGENSON ROBERT B | Sell | Sep 09, 2025 | $225,298.50 | 15,000 | $15.02 | 85,000 |
Shabani Javad | Sell | Sep 08, 2025 | $266,653.24 | 17,474 | $15.26 | 0 |
Shabani Javad | Sell | Sep 05, 2025 | $306,000.00 | 20,000 | $15.30 | 17,474 |
Shabani Javad | Return | Aug 18, 2025 | $0.00 | 40,000 | $0.00 | 10,219 |
Shabani Javad | Exempt | Aug 18, 2025 | $0.00 | 37,474 | $0.00 | 37,474 |
Roberts Christopher Bruce CFO and General Counsel | Award | Jul 11, 2025 | $0.00 | 300,000 | $0.00 | 700,000 |
Huang Yuping Interim CEO, President | Exempt | Jun 30, 2025 | $105.08 | 1.1M | $0.00 | 22.3M |
Boehmler Christopher Chief Financial Officer | Return | Jun 13, 2025 | $0.00 | 91,250 | $0.00 | 0 |
Boehmler Christopher Chief Financial Officer | Return | Jun 13, 2025 | $0.00 | 8,750 | $0.00 | 0 |
Boehmler Christopher Chief Financial Officer | Return | Jun 13, 2025 | $0.00 | 200,000 | $0.00 | 0 |
Boehmler Christopher Chief Financial Officer | Return | Jun 13, 2025 | $0.00 | 60,186 | $0.00 | 0 |
Boehmler Christopher Chief Financial Officer | Return | Jun 13, 2025 | $0.00 | 43,050 | $0.00 | 0 |
Boehmler Christopher Chief Financial Officer | Exempt | Jun 13, 2025 | $197,411.84 | 77,114 | $2.56 | 77,114 |
Boehmler Christopher Chief Financial Officer | Exempt | Jun 13, 2025 | $17,763.15 | 7,495 | $2.37 | 84,609 |
Boehmler Christopher Chief Financial Officer | Exempt | Jun 13, 2025 | $219,148.42 | 185,719 | $1.18 | 270,328 |
Boehmler Christopher Chief Financial Officer | Exempt | Jun 13, 2025 | $26,914.60 | 58,510 | $0.46 | 328,838 |
Boehmler Christopher Chief Financial Officer | Exempt | Jun 13, 2025 | $177,619.44 | 22,314 | $7.96 | 351,152 |
Boehmler Christopher Chief Financial Officer | Sell | Jun 12, 2025 | $928,800.00 | 46,440 | $20.00 | 0 |
Boehmler Christopher Chief Financial Officer | Sell | Jun 11, 2025 | $1.7M | 83,495 | $19.92 | 47,565 |
Boehmler Christopher Chief Financial Officer | Sell | Jun 10, 2025 | $1.5M | 96,679 | $15.96 | 131,060 |