SCHEDULE 13G

BridgeBio Oncology Therapeutics Inc

Common Stock · CUSIP: 107924102

Event date: 2025-08-11

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

• Deerfield Mgmt, L.P.

  Shares: 2,442,723.00 · Class: 3.08%

• Deerfield Mgmt V, L.P.

  Shares: 2,442,723.00 · Class: 3.08%

• Deerfield Partners, L.P.

  Shares: 2,442,723.00 · Class: 3.08%

• Deerfield Private Design Fund V, L.P.

  Shares: 2,442,723.00 · Class: 3.08%

• Deerfield Management Company, L.P.

  Shares: 4,885,446.00 · Class: 6.17%

• James E. Flynn

  Shares: 4,885,446.00 · Class: 6.17%

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