QUBT
QUANTUM COMPUTNG (QUBT)
NASDAQ
$8.01-$0.65 (-7.56%)
Price as of Jul 13, 2026 7:59 PM EDT
  • $2.0B
    Market Cap
  • -50.32%
    1-Year Change
  • Computer Hardware
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
12.34%
16.8M
+4.6M (+27.57%)
Dec 31, 2025
BLACKROCK, INC.
11.82%
16.1M
-507,800 (-3.15%)
Mar 31, 2026
ANSON FUNDS MANAGEMENT LP
3.94%
5.4M
+695,092 (+12.94%)
Sep 30, 2025
GEODE CAPITAL MANAGEMENT, LLC
3.44%
4.7M
+135,113 (+2.87%)
Mar 31, 2026
STATE STREET CORP
3.31%
4.5M
+172,797 (+3.83%)
Mar 31, 2026
MAREX GROUP PLC
3.29%
4.5M
-3.8M (-84.28%)
Mar 31, 2026
GHISALLO CAPITAL MANAGEMENT LLC
2.95%
4.0M
+4.0M (+100.00%)
Sep 30, 2025

Current Ownership Distribution

  • Institutions415.4M (70.50%)
  • Mutual Funds167.9M (28.49%)
  • Insiders6.0M (1.01%)
  • Other0 (0.00%)

Insider Transactions

  • 1.01% (6.0M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 3
    Number of InsiderSelling (last 12 months)
  • $19.1M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
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
TURMELLE MICHAEL C
Sell
Jun 09, 2025
$2.8M
200,986
$14.18
0
Boehmler Christopher
Chief Financial Officer
Sell
Jun 09, 2025
$1.4M
92,271
$15.00
227,739