CUSIP 74765K105COM CL AQSIQ4 2025
30 filings · latest Oct 30, 2025
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 13.05M | $14.36M |
| 2 | Vanguard Group Inc | 9.61M | $10.57M |
| 3 | Ark Investment Management LLC | 7.02M | $7.72M |
| 4 | Sumitomo Mitsui Trust Group, Inc. | 4.69M | $5.16M |
| 5 | Amova Asset Management Americas, Inc. | 4.69M | $5.11M |
| 6 | Geode Capital Management, LLC | 4.11M | $4.53M |
| 7 | State Street Corp | 3.56M | $3.92M |
| 8 | Citadel Advisors LLC | 2.68M | $2.94M |
| 9 |
| 4 | Jun 6, 2025 | Ark Investment Management LLC | 13G/A | 4.8% | 7.81M | SEC |
| 5 | May 14, 2025 | Ark Investment Management LLC | 13G/A | 5.3% | 8.71M | SEC |
| 6 | Feb 14, 2025 | Ark Investment Management LLC | 13G/A | 7.2% | 8.85M | SEC |
| 7 | Feb 13, 2025 | Nikko Asset Management Americas, Inc. | 13G/A | 4.8% | 5.97M | SEC |
| 8 | Feb 4, 2025 | Sumitomo Mitsui Trust Group, Inc. | 13G/A | 4.8% | 5.97M | SEC |
| 9 | Jan 10, 2025 | Ark Investment Management LLC | 13G/A | 9.7% | 11.84M | SEC |
| 10 | Dec 31, 2024 | Rothberg Jonathan M | 13D/A | 100.0% | — | SEC |
See the full Schedule 13D/13G history for Quantum Si Inc.
Unlock full history| Susquehanna International Group, LLP |
| 2.33M |
| $2.56M |
| 10 | Northern Trust Corp | 2.21M | $2.43M |