Quick Takeaways
- PERCEPTIVE ADVISORS LLC filed SCHEDULE 13G/A for Arcellx, Inc. Common Stock, par value $0.001 per share (ACLX).
- Disclosed ownership: 4.5%.
- Date of event: 30 Jun 2025.
PERCEPTIVE ADVISORS LLC - 30 Jun 2025 SCHEDULE 13G/A Report for Arcellx, Inc. Common Stock, par value $0.001 per share (ACLX)
- Filing Manager
- PERCEPTIVE ADVISORS LLC
- Reporting Manager
- Perceptive Advisors LLC
- Symbol
- ACLX
- Shares outstanding
- 55,066,667 shares
- Disclosed Ownership
- 2,478,000 shares
- Ownership
- 4.5%
- Form type
- SCHEDULE 13G/A
- Filing time
- 14 Aug 2025, 16:20:23 UTC
- Date of event
- 30 Jun 2025
- Previous filing
- 15 May 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"PERCEPTIVE ADVISORS LLC disclosed 4.5% ownership in Arcellx, Inc. Common Stock, par value $0.001 per share (ACLX) on 30 Jun 2025."
What Changed
- Previous schedule filing date: 15 May 2025.
- Current filing was accepted on 14 Aug 2025, 16:20.
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.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (3)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Perceptive Advisors LLC | 4.5% | 2,478,000 | 0 | 2,478,000 | /s/ Joseph Edelman | Joseph Edelman, Managing Member | |
| Joseph Edelman | 4.5% | 2,478,000 | 0 | 2,478,000 | /s/ Joseph Edelman | Joseph Edelman | |
| Perceptive Life Sciences Master Fund, Ltd. | 4.5% | 2,478,000 | 0 | 2,478,000 | /s/ Joseph Edelman | Joseph Edelman, Managing Member |