SCHEDULE 13G/A

BridgeBio Oncology Therapeutics Inc

Class A ordinary share, par value $0.0001 per share (the "Shares") · CUSIP: 107924102

Event date: 2025-09-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Citadel Advisors LLC

  Shares: 2,528,762.00 · Class: 3.2%

• Citadel Advisors Holdings LP

  Shares: 2,528,762.00 · Class: 3.2%

• Citadel GP LLC

  Shares: 2,528,762.00 · Class: 3.2%

• Citadel Securities LLC

  Shares: 9,380.00 · Class: 0.0%

• Citadel Securities Group LP

  Shares: 9,380.00 · Class: 0.0%

• Citadel Securities GP LLC

  Shares: 9,380.00 · Class: 0.0%

• Kenneth Griffin

  Shares: 2,538,142.00 · Class: 3.2%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.