Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Carl C. Icahn - 19 Dec 2024 SCHEDULE 13D/A Report for ENZON PHARMACEUTICALS INC Common Stock, No par value (ENZN)
- Filing manager
- Carl C. Icahn
- Reporting owner
- CARL C ICAHN
- Beneficially owned shares
- 36,056,636 shares
- Large-stake signal
-
Ownership
49%Beneficial ownership of this reported class.
Shares
36,056,636 sharesShares beneficially owned as disclosed.
Event date
19 Dec 2024Date tied to the ownership event or amendment.
Accepted by SEC
19 Dec 2024EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 49%
- Symbol
- ENZN
- Shares outstanding
- 74,190,609 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 19 Dec 2024, 16:30:40 UTC
- Event date
- 19 Dec 2024
- Next SEC filing
- 23 Jun 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
5 source fields
Key filing fact
Carl C. Icahn disclosed 49% ownership in ENZON PHARMACEUTICALS INC Common Stock, No par value (ENZN) on 19 Dec 2024.
Key facts
- Carl C. Icahn filed SCHEDULE 13D/A for ENZON PHARMACEUTICALS INC Common Stock, No par value (ENZN).
- Disclosed ownership: 49%.
- Date of event: 19 Dec 2024.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 19 Dec 2024, 16:30.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (10)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| 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 PARTNERS MASTER FUND LP | 20% | 14,923,911 | 14,923,911 | 0 | /s/ Jesse Lynn | Jesse Lynn / Chief Operating Officer | 0001322827 |
| Icahn Offshore LP | 20% | 14,923,911 | 0 | 14,923,911 | /s/ Jesse Lynn | Jesse Lynn / Chief Operating Officer | 0001322825 |
| Icahn Partners LP | 28% | 21,132,725 | 21,132,725 | 0 | /s/ Jesse Lynn | Jesse Lynn / Chief Operating Officer | 0001313666 |
| Icahn Onshore LP | 28% | 21,132,725 | 0 | 21,132,725 | /s/ Jesse Lynn | Jesse Lynn / Chief Operating Officer | 0001322826 |
| Icahn Capital LP | 49% | 36,056,636 | 0 | 36,056,636 | /s/ Jesse Lynn | Jesse Lynn / Chief Operating Officer | 0001412093 |
| IPH GP LLC | 49% | 36,056,636 | 0 | 36,056,636 | /s/ Ted Papapostolou | Ted Papapostolou / Chief Financial Officer | 0001412091 |
| 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 |
| BECKTON CORP | 49% | 36,056,636 | 0 | 36,056,636 | /s/ Ted Papapostolou | Ted Papapostolou / Vice President | 0001080113 |
CIK / CUSIP context first