SCHEDULE 13G/A

COMPASS PATHWAYS PLC SPONSORED ADS

Ordinary Shares, par value of GBP 0.008 per share (the "Shares"), each represented by one American Depositary Share · CUSIP: 20451W101

Event date: 2024-12-31

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: 899,165.00 · Class: 1.3%

• Citadel Advisors Holdings LP

  Shares: 899,165.00 · Class: 1.3%

• Citadel GP LLC

  Shares: 899,165.00 · Class: 1.3%

• Citadel Securities LLC

  Shares: 267,411.00 · Class: 0.4%

• Citadel Securities Group LP

  Shares: 267,411.00 · Class: 0.4%

• Citadel Securities GP LLC

  Shares: 267,411.00 · Class: 0.4%

• Kenneth Griffin

  Shares: 1,166,576.00 · Class: 1.7%

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