Schedule 13D ownership disclosure
ENZON INC
Common Stock, par value $0.01 per share · CUSIP: 293904108
Event date: 2025-10-24
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
- CARL C ICAHNReported CIK 0000921669
Shares: 36,056,636 · Class: 48.6%
- ICAHN ENTERPRISES HOLDINGS L.P.Reported CIK 0001034563
Shares: 36,056,636 · Class: 48.6%
- ICAHN ENTERPRISES G.P. INC.Reported CIK 0001257324
Shares: 36,056,636 · Class: 48.6%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001193125-25-249981
- Form type
- SCHEDULE 13D/A
- Filer
- ENZON PHARMACEUTICALS, INC.
- CIK
- CIK 727510
- Filed
- Oct 24, 2025
- Reporting period
- Oct 24, 2025
- Description
- Schedule 13D beneficial ownership