Citadel Advisors Llc - Aug 12, 2025 SCHEDULE 13G Report for ALT5 Sigma Corporation Common Stock, par value $0.001 per share (the "Shares") (ALTS)

Filing Manager
CITADEL ADVISORS LLC
Reporting Manager
Kenneth Griffin
Security
ALT5 Sigma Corporation Common Stock, par value $0.001 per share (the "Shares")
Symbol
ALTS
Disclosed Ownership
283K shares
Ownership
0.2%
Form type
SCHEDULE 13G
Date filed
8/19/2025, 05:59 PM
Date of event
Aug 12, 2025
SEC
View on sec.gov

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Citadel Advisors LLC 0.1% 73.7K 0 73.7K /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Advisors Holdings LP 0.1% 73.7K 0 73.7K /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel GP LLC 0.1% 73.7K 0 73.7K /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities LLC 0.2% 209K 0 209K /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities Group LP 0.2% 209K 0 209K /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities GP LLC 0.2% 209K 0 209K /s/ Seth Levy Seth Levy, Authorized Signatory
Kenneth Griffin 0.2% 283K 0 283K /s/ Seth Levy Seth Levy, attorney-in-fact*