SCHEDULE: Morgan Stanley Discloses Six Flags Stake

Morgan Stanley and its subsidiary, Morgan Stanley Capital Services LLC, have filed a Schedule 13G detailing their beneficial ownership of Six Flags Entertainment Corporation/NEW common stock.

Summary

• Morgan Stanley and its subsidiary, Morgan Stanley Capital Services LLC, have filed an amended Schedule 13G regarding their beneficial ownership of Six Flags Entertainment Corporation/NEW common stock.
• As of March 31, 2026, Morgan Stanley beneficially owns 5,514,103 shares, representing 5.4% of the class.
• Morgan Stanley Capital Services LLC beneficially owns 5,371,530 shares, representing 5.3% of the class.
• Both entities are organized in Delaware and are registered as brokers/dealers and financial institutions.
• The filing confirms that the securities were acquired and are held in the ordinary course of business and not for the purpose of influencing control of the issuer.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing, as it is a routine disclosure of beneficial ownership by a financial institution and does not contain operational or financial performance updates.

Positives

• Morgan Stanley and its subsidiary have disclosed their holdings, providing transparency to the market.
• The filing indicates that the shares are held in the ordinary course of business, suggesting a standard investment position rather than an activist stake.

Risks

• While the filing states securities are not held for the purpose of influencing control, any significant change in beneficial ownership could be perceived as a move towards influence.
• The disclosure of a substantial stake by a financial institution could be interpreted by the market in various ways, potentially impacting short-term stock price volatility.

Future Outlook

The filing does not contain forward-looking statements or guidance. It is a disclosure of current beneficial ownership.

Management Comments

• "In Accordance with the Securities and Exchange Commission Release No. 34-39538 (January 12, 1998) (the "Release"), this filing reflects the securities beneficially owned, or that may be deemed to be beneficially owned, by certain operating units (collectively, the "MS Reporting Units") of Morgan Stanley and its subsidiaries and affiliates (collectively, "MS")."
• "This filing does not reflect securities, if any, beneficially owned by any operating units of MS whose ownership of securities is disaggregated from that of the MS Reporting Units in accordance with the Release."
• "By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11."

Industry Context

StockSavvy.ai notes that Schedule 13G filings are common for institutional investors and indicate passive ownership stakes. The disclosure by Morgan Stanley, a major financial institution, is standard practice when crossing certain ownership thresholds.

Stakeholder Impact

• Shareholders: Increased transparency regarding significant institutional ownership.
• Market Participants: Provides information on Morgan Stanley's investment in Six Flags.

Key Dates

Keywords

Six Flags Entertainment, Morgan Stanley, Schedule 13G, Beneficial Ownership, Common Stock, SEC Filing, Investment, Financial Institution