Citadel Advisors Llc - Jul 22, 2025 SCHEDULE 13G Report for MEI Pharma, Inc. Common Stock, par value $0.00000002 per share (the "Shares") (MEIP)

Filing Manager
Citadel Advisors Llc
Reporting Manager
Kenneth Griffin
Security
MEI Pharma, Inc. Common Stock, par value $0.00000002 per share (the "Shares")
Symbol
MEIP
Shares outstanding
32.5M shares
Disclosed Ownership
3.25M shares
Ownership
9.99%
Form type
SCHEDULE 13G
Date filed
7/29/2025, 05:23 PM
Date of event
Jul 22, 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 9.75% 3.17M 0 3.17M /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Advisors Holdings LP 9.75% 3.17M 0 3.17M /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel GP LLC 9.75% 3.17M 0 3.17M /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities LLC 0.24% 78.2K 0 78.2K /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities Group LP 0.24% 78.2K 0 78.2K /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities GP LLC 0.24% 78.2K 0 78.2K /s/ Seth Levy Seth Levy, Authorized Signatory
Kenneth Griffin 9.99% 3.25M 0 3.25M /s/ Seth Levy Seth Levy, attorney-in-fact*