SCHEDULE: Madison Dearborn Discloses 49.5% Stake in AEVEX Corp.

Madison Dearborn Partners LLC and its affiliates have reported beneficial ownership of 49.5% of AEVEX Corp.'s Class A common stock, including shares issuable upon conversion of Series B Units.

Summary

• Madison Dearborn Partners LLC, along with its affiliated entities (Madison Dearborn Capital Partners VII-B, L.P., Madison Dearborn Capital Partners VII Executive-B, L.P., and Madison Dearborn Capital Partners VII-C, L.P.), has filed a Schedule 13G indicating beneficial ownership of 80,423,676 shares of AEVEX Corp. Class A common stock.
• This represents 49.5% of the total Class A common stock outstanding as of August 12, 2026.
• The reported shares include 57,564,830 shares of Class A common stock issuable upon conversion of Series B Units of Athena Technology Solutions Holdings, LLC.
• The filing is made jointly by the reporting persons, who disclaim beneficial ownership beyond their pecuniary interest.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this as a neutral to slightly positive filing, primarily indicating a significant ownership stake by a major investment firm, which can signal confidence but also potential future strategic shifts.

Positives

• Significant ownership stake by a major investment firm (Madison Dearborn Partners) can be interpreted as a vote of confidence in AEVEX Corp.'s long-term prospects.
• The reporting persons have shared voting and dispositive power over a substantial block of shares, indicating a coordinated approach to their investment.

Negatives

• The filing does not contain financial performance data or strategic updates, making it difficult to assess the operational health of AEVEX Corp. directly from this document.
• The large stake held by a single entity could potentially lead to concentrated decision-making power, though this is typical for private equity involvement.

Risks

• Potential for future strategic changes or divestitures by Madison Dearborn Partners, depending on their investment horizon and strategy.
• Concentration of ownership could influence corporate governance and strategic direction in ways that may not align with all minority shareholders' interests.

Future Outlook

This filing is primarily an ownership disclosure and does not contain forward-looking statements or specific guidance regarding AEVEX Corp.'s future performance.

Management Comments

• The Reporting Persons declare that filing this statement shall not be construed as an admission that any of the Reporting Persons are, for the purposes of Section 13(d) and/or Section 13(g) of the Act, the beneficial owner of any securities covered by this statement, and such beneficial ownership is expressly disclaimed by the Reporting Persons.

Industry Context

StockSavvy.ai notes that significant stake disclosures by private equity firms like Madison Dearborn Partners are common in the technology and services sectors, often indicating a substantial investment or control position. This filing places AEVEX Corp. under the significant influence of a major financial player.

Stakeholder Impact

• Shareholders: The significant ownership by Madison Dearborn Partners may influence corporate strategy and governance, potentially impacting shareholder value. Minority shareholders should monitor management decisions closely.
• Management: AEVEX Corp.'s management will likely operate with the awareness of Madison Dearborn's substantial stake and potential influence on strategic direction.

Next Steps

• Monitor future filings from Madison Dearborn Partners and AEVEX Corp. for any strategic announcements or changes in ownership.
• Observe AEVEX Corp.'s operational and financial performance to understand the implications of this significant ownership stake.

Key Dates

Keywords

AEVEX Corp., Madison Dearborn Partners, Schedule 13G, Beneficial Ownership, Class A Common Stock, Series B Units, Investment Firm, Shareholder