Ticker · CUSIP 74766W108

QUBT

QUANTUM COMPUTING INC
···Share
Holders (tracked)
11
Combined shares
7,003,829
Combined value
$69.97M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
1142024Q12025Q4

SEC event timeline

13 events
  1. −4,018,564 shares · 2025Q4
    13F
  2. +136,820 shares · 2025Q4
    13F
  3. +39,500 shares · 2025Q4
    13F
  4. +52,200 shares · 2025Q4
    13F
  5. +87,383 shares · 2025Q4
    13F
  6. +13,671 shares · 2025Q4
    13F
  7. −40,705 shares · 2025Q4
    13F
  8. −230,302 shares · 2025Q4
    13F
  9. +135,223 shares · 2025Q4
    13F
  10. +17,951 shares · 2025Q3
    13F
  11. +23,602 shares · 2025Q3
    13F
  12. +117,972 shares · 2025Q3
    13F
  13. +1,001 shares · 2025Q3
    13F

Insider activity

Last 30 days
Net (open-market)
$0
Buys
0 · $0
Sells
0 · $0
Unique insiders
5
DateInsiderCodeSharesPriceValue
04-13FAGENSON ROBERT B
Director
A22,123$6.78$150.0K
04-13TURMELLE MICHAEL C
Director
A22,123$6.78$150.0K
04-13Weimer Carl Scott
Director
A22,123$6.78$150.0K
04-13Shabani Javad
Director
A22,123$6.78$150.0K
04-13Schwartz Eric Mark
Director
A22,123$6.78$150.0K

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions4
Added to2
Trimmed1
Exited2

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
5
$925K
2022Q2
2
$781K
2022Q3
2
$724
2022Q4
4
$477K
2023Q1
4
$381K
2023Q2
3
$564K
2023Q3
2
$426K
2023Q4
4
$550K
2024Q1
4
$484K
2024Q2
4
$163K
2024Q3
3
$86K
2024Q4
4
$54.4M
2025Q1
7
$42.9M
2025Q2
6
$112.6M
2025Q3
8
$205.9M
2025Q4
11
$70.0M

Who owns QUBT

11 super-investors · 2025Q4
Tracked stake
7.00M
shares
Combined value
$70M
% of shares outstanding
shares-out unknown
Quarter action mix
New5Added2Trim3Sold1
#ManagerSharesValue
1Ken Griffin
Citadel Advisors
2.39M$24M
2Ken Griffin
Citadel Advisors
2.19M$22M
3Ken Griffin
Citadel Advisors
1.65M$17M
4D.E. Shaw & Co.136.8K$1M
5D.E. Shaw & Co.135.6K$1M
6Renaissance Technologies135.2K$1M
7Izzy Englander
Millennium Mgmt
57.0K$585K
8Paul Tudor Jones
Tudor Investment
52.2K$536K
9Steve Cohen
Point72
39.5K$405K
10AQR Capital Management37.3K$382K
11T. Rowe Price184.8K$2K

Recent moves

20 transactions
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