Schedule 13G ownership disclosure
Six Flags Entertainment Corp
Common Stock · CUSIP: 83001C108
Event date: 2025-12-31
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
- Morgan Stanley
Shares: 9,198,875 · Class: 9.1%
- Morgan Stanley Capital Services LLC
Shares: 8,976,352 · Class: 8.8%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0000895421-26-000057
- Form type
- SCHEDULE 13G/A
- Filer
- MORGAN STANLEY
- CIK
- CIK 895421
- Filed
- Feb 12, 2026
- Reporting period
- Dec 31, 2025
- Description
- Schedule 13G beneficial ownership