Quick Takeaways
- ARK Investment Management LLC filed SCHEDULE 13G/A for Quantum-Si Inc Common Stock (QSI).
- Disclosed ownership: 5.3%.
- Date of event: 31 Mar 2025.
ARK Investment Management LLC - 31 Mar 2025 SCHEDULE 13G/A Report for Quantum-Si Inc Common Stock (QSI)
- Filing Manager
- ARK Investment Management LLC
- Reporting Manager
- ARK Investment Management LLC
- Security
- Quantum-Si Inc Common Stock
- Symbol
- QSI
- Shares outstanding
- 163,174,176 shares
- Disclosed Ownership
- 8,713,501 shares
- Ownership
- 5.3%
- Form type
- SCHEDULE 13G/A
- Filing time
- 14 May 2025, 10:42:00 UTC
- Date of event
- 31 Mar 2025
- Previous filing
- 14 Feb 2025
- Next filing
- 06 Jun 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"ARK Investment Management LLC disclosed 5.3% ownership in Quantum-Si Inc Common Stock (QSI) on 31 Mar 2025."
What Changed
- Previous schedule filing date: 14 Feb 2025.
- Current filing was accepted on 14 May 2025, 10:42.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (2)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| ARK Investment Management LLC | 5.3% | 8,713,501 | 8,713,501 | 0 | /s/ Kellen Carter | Kellen Carter, Chief Compliance Officer | |
| Catherine D. Wood | 5.3% | 8,713,501 | 0 | 8,713,501 | /s/ Catherine D. Wood | Catherine D. Wood, Chief Executive Officer, Chief Investment Officer |