SCHEDULE 13G/A

Quantum-Si Inc

Class A common stock, par value $0.0001 per share · CUSIP: 74765K105

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

• Sumitomo Mitsui Trust Group, Inc.

  Shares: 5,965,208.00 · Class: 4.8%

• Nikko Asset Management Co., Ltd.

  Shares: 5,965,208.00 · Class: 4.8%

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