CITADEL ADVISORS LLC - 25 Sep 2025 SCHEDULE 13G Report for Quantum Computing Inc. Common stock, par value $0.0001 per share (the "Shares") (QUBT)

Filing Manager
CITADEL ADVISORS LLC
Reporting Manager
Kenneth Griffin
Security
Quantum Computing Inc. Common stock, par value $0.0001 per share (the "Shares")
Symbol
QUBT
Shares outstanding
188,672,224 shares
Disclosed Ownership
9,244,939 shares
Ownership
4.9%
Form type
SCHEDULE 13G
Filing time
02 Oct 2025, 18:34:30 UTC
Date of event
25 Sep 2025
SEC
View on sec.gov

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Quoteable Key Fact

"CITADEL ADVISORS LLC disclosed 4.9% ownership in Quantum Computing Inc. Common stock, par value $0.0001 per share (the "Shares") (QUBT) on 25 Sep 2025."

Quick Takeaways

  • CITADEL ADVISORS LLC filed SCHEDULE 13G for Quantum Computing Inc. Common stock, par value $0.0001 per share (the "Shares") (QUBT).
  • Disclosed ownership: 4.9%.
  • Date of event: 25 Sep 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 02 Oct 2025, 18:34.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Citadel Advisors LLC 3.1% 5,828,555 0 5,828,555 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Advisors Holdings LP 3.1% 5,828,555 0 5,828,555 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel GP LLC 3.1% 5,828,555 0 5,828,555 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities LLC 1.5% 2,827,051 0 2,827,051 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities Group LP 1.8% 3,416,384 0 3,416,384 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities GP LLC 1.8% 3,416,384 0 3,416,384 /s/ Seth Levy Seth Levy, Authorized Signatory
Kenneth Griffin 4.9% 9,244,939 0 9,244,939 /s/ Seth Levy Seth Levy, attorney-in-fact*

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