Quick Takeaways
- Carl C. Icahn filed SCHEDULE 13D/A for ENZON PHARMACEUTICALS, INC. Common Stock, par value $0.01 per share (ENZN).
- Disclosed ownership: 49%.
- Date of event: 24 Oct 2025.
Carl C. Icahn - 24 Oct 2025 SCHEDULE 13D/A Report for ENZON PHARMACEUTICALS, INC. Common Stock, par value $0.01 per share (ENZN)
- Filing Manager
- Carl C. Icahn
- Reporting Manager
- CARL C ICAHN
- Symbol
- ENZN
- Shares outstanding
- 74,190,609 shares
- Disclosed Ownership
- 36,056,636 shares
- Ownership
- 49%
- Form type
- SCHEDULE 13D/A
- Filing time
- 24 Oct 2025, 16:14:28 UTC
- Date of event
- 24 Oct 2025
- Previous filing
- 23 Jun 2025
- Next filing
- 30 Jan 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"Carl C. Icahn disclosed 49% ownership in ENZON PHARMACEUTICALS, INC. Common Stock, par value $0.01 per share (ENZN) on 24 Oct 2025."
What Changed
- Previous schedule filing date: 23 Jun 2025.
- Current filing was accepted on 24 Oct 2025, 16:14.
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 |
|---|---|---|---|---|---|---|---|
| CARL C ICAHN | 49% | 36,056,636 | 0 | 36,056,636 | /s/ Carl C. Icahn | Carl C. Icahn | 0000921669 |
| ICAHN ENTERPRISES HOLDINGS L.P. | 49% | 36,056,636 | 0 | 36,056,636 | /s/ Ted Papapostolou | Ted Papapostolou, Chief Financial Officer | 0001034563 |
| ICAHN ENTERPRISES G.P. INC. | 49% | 36,056,636 | 0 | 36,056,636 | /s/ Ted Papapostolou | Ted Papapostolou, Chief Financial Officer | 0001257324 |