QUBT
QUANTUM COMPUTNG (QUBT)
NASDAQ
$5.52-$0.31 (-5.24%)
Price as of Nov 13, 2026 1:44 PM EST
  • $1.3B
    Market Cap
  • -41.97%
    1-Year Change
  • Computer Hardware
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
7.83%
17.7M
+1.6M (+8.99%)
Jun 30, 2026
VANGUARD GROUP INC
7.44%
16.8M
+4.6M (+27.57%)
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
3.91%
8.8M
+86,586 (+0.98%)
Jun 30, 2026
JANE STREET GROUP, LLC
3.15%
7.1M
+6.6M (+92.72%)
Jun 30, 2026
N/A
3.11%
7.0M
+2.5M (+36.09%)
Jun 30, 2026
DEFIANCE ETFS, LLC
3.11%
7.0M
+2.5M (+36.09%)
Jun 30, 2026
PENSERRA CAPITAL MANAGEMENT LLC
3.08%
7.0M
+3.6M (+52.00%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions558.6M (67.95%)
  • Mutual Funds236.4M (28.76%)
  • Insiders27.1M (3.29%)
  • Other0 (0.00%)

Insider Transactions

  • 3.29% (27.1M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $17.1M
    Amount 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