CITADEL ADVISORS LLC - 21 Apr 2026 SCHEDULE 13G Report for Sidus Space Inc. Class A common stock, par value $0.0001 per share (the "Shares") (SIDU)

Filing Manager
CITADEL ADVISORS LLC
Reporting Manager
Kenneth Griffin
Security
Sidus Space Inc. Class A common stock, par value $0.0001 per share (the "Shares")
Symbol
SIDU
Shares outstanding
80,260,700 shares
Disclosed Ownership
3,210,428 shares
Ownership
4%
Form type
SCHEDULE 13G
Filing time
28 Apr 2026, 18:22:17 UTC
Date of event
21 Apr 2026
SEC
View on sec.gov

Quoteable Key Fact

"CITADEL ADVISORS LLC disclosed 4% ownership in Sidus Space Inc. Class A common stock, par value $0.0001 per share (the "Shares") (SIDU) on 21 Apr 2026."

Quick Takeaways

  • CITADEL ADVISORS LLC filed SCHEDULE 13G for Sidus Space Inc. Class A common stock, par value $0.0001 per share (the "Shares") (SIDU).
  • Disclosed ownership: 4%.
  • Date of event: 21 Apr 2026.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 28 Apr 2026, 18:22.

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.

Source Evidence

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 3.8% 3,071,391 0 3,071,391 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Advisors Holdings LP 3.8% 3,071,391 0 3,071,391 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel GP LLC 3.8% 3,071,391 0 3,071,391 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities LLC 0.2% 139,037 0 139,037 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities Group LP 0.2% 139,037 0 139,037 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities GP LLC 0.2% 139,037 0 139,037 /s/ Seth Levy Seth Levy, Authorized Signatory
Kenneth Griffin 4% 3,210,428 0 3,210,428 /s/ Seth Levy Seth Levy, attorney-in-fact*
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