Quantum Computing Inc

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Quantum Computing Inc
TickerQUBT
CIK #0001758009
CUSIP74766W108
SectorTechnology - Services-Prepackaged Software
Address215 Depot Court Se, #215, Leesburg, VA 20175
Source [EDGAR]
CIK Filing 2011 - 2025
[0001758009] 10-K
[0001758009] 10-Q
[0001758009] 3
[0001758009] 4
[0001758009] 8-K
[0001758009] D
[0001758009] SC 13D
[0001758009] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Group Inc Quantum Computing Inc [2025-07-29] 0.0
Huang Yuping Quantum Computing Inc [2022-06-27] 13.44
Oasis Capital LLC Quantum Computing Inc [2021-01-25] 0.99
Schreiber Justin Quantum Computing Inc [2020-08-19] 8.27
Roberts Christopher Bruce Quantum Computing Inc [2020-08-14] 6.0
Oasis Capital LLC Quantum Computing Inc [2020-07-07] 0.99
Schultz Peter Anthony Quantum Computing Inc [2019-05-17] 21.1
Liscouski Robert Quantum Computing Inc [2019-01-10] 12.44
Form 3/4/5 Filer 2011 - 2025
Roberts Christopher Bruce
Quantum Computing Inc.
Huang Yuping
Boehmler Christopher
Turmelle Michael C
Dianat Pouya
Shabani Javad
McGann William J
Schwartz Eric Mark
Weimer Carl Scott
Fagenson Robert B
Liscouski Robert
Velge Bertrand
Morris David Charles
Schreiber Justin
Schultz Peter Anthony
Form 13F Holdings
Firm Period DFND Voting Shares
Vanguard Group Inc [2025-06-30] SOLE 0 9,647,995
Jane Street Group LLC [2025-06-30] DFND 5,402,563 7,121,763
BlackRock, Inc. [2025-06-30] SOLE 6,780,060 6,951,357
Citadel Advisors LLC [2025-06-30] DFND 5,722,694 5,722,694
Susquehanna International Group LLP [2025-06-30] OTR 1,190,824 5,722,524
Anson Funds Management LP [2025-06-30] DFND 4,678,363 4,678,363
Geode Capital Management LLC [2025-06-30] DFND 2,630,525 2,630,525
State Street Corp [2025-06-30] DFND 2,263,415 2,482,024
Bank of America Corp /DE/ [2025-06-30] DFND 264,172 1,601,242
Polar Asset Management Partners Inc [2025-06-30] SOLE 1,559,300 1,559,300
Mirae Asset Securities USA Inc [2025-06-30] SOLE 0 1,228,294
No Street GP LP [2025-06-30] SOLE 0 1,050,000
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. [2025-06-30] DFND 1,000,144 1,000,144
Northern Trust Corp [2025-06-30] DFND 935,427 935,427
Morgan Stanley [2025-06-30] DFND 569,459 871,546
Invesco Ltd. [2025-06-30] DFND 0 836,465
Goldman Sachs Group Inc [2025-06-30] DFND 791,232 791,372
First Trust Advisors LP [2025-06-30] SOLE 707,614 771,633
Wolverine Trading LLC [2025-06-30] DFND 0 755,276
UBS Group AG [2025-06-30] DFND 662,281 693,018
Ameriprise Financial Inc [2025-06-30] DFND 0 630,712
BNP Paribas Financial Markets [2025-06-30] DFND 0 587,489
UNICOM Systems, Inc. [2025-06-30] SOLE 10,591,770 552,518
Walleye Trading LLC [2025-06-30] SOLE 448,200 448,200
Walleye Capital LLC [2025-06-30] SOLE 410,900 410,900
Pacific Heights Asset Management LLC [2025-06-30] SOLE 400,000 400,000
Marex Group plc [2025-06-30] DFND 352,607 352,607
Charles Schwab Investment Management Inc [2025-06-30] SOLE 341,218 341,218
Bank of New York Mellon Corp [2025-06-30] DFND 267,042 315,604
Verition Fund Management LLC [2025-06-30] SOLE 314,238 314,238
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