SCHEDULE: Adage Capital Discloses 6.35% Stake in Minerva Neurosciences

Adage Capital Management, L.P. and its principals have reported a 6.35% beneficial ownership stake in Minerva Neurosciences, Inc. as of December 31, 2025.

Summary

• Adage Capital Management, L.P., along with Robert Atchinson and Phillip Gross, collectively reported beneficial ownership of 2,838,000 shares of Minerva Neurosciences, Inc. Common Stock.
• This ownership represents 6.35% of the company's outstanding Common Stock.
• The calculation is based on 43,274,398 shares of Common Stock outstanding as of December 23, 2025.
• The reported amount includes 1,419,000 shares of Common Stock issuable upon conversion of preferred stock, which are themselves issuable upon the exercise of warrants.
• The shares were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Minerva Neurosciences, Inc.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this filing as moderately positive. The disclosure of a significant 6.35% stake by a reputable institutional investor like Adage Capital Management suggests a vote of confidence in Minerva Neurosciences, Inc., which can be a positive signal for other investors.

Positives

• A significant institutional investor, Adage Capital Management, L.P., has disclosed a substantial 6.35% stake in Minerva Neurosciences, Inc., which can be interpreted as a vote of confidence in the company's long-term prospects.

Risks

• The filing does not explicitly detail company-specific risks for Minerva Neurosciences, Inc. beyond the inherent risks associated with holding common stock and warrants.

Future Outlook

The filing states that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing the control of Minerva Neurosciences, Inc. No other forward-looking statements or guidance from Minerva Neurosciences, Inc. are provided.

Management Comments

• Robert Atchinson, Managing Member of Adage Capital Partners LLC (General Partner of Adage Capital Management, L.P.), certified that the information is true, complete, and correct to the best of his knowledge and belief.
• Phillip Gross, individually, also certified the truthfulness, completeness, and correctness of the information.

Industry Context

StockSavvy.ai notes that the disclosure of a significant stake by a prominent institutional investor like Adage Capital Management in a biotechnology company such as Minerva Neurosciences, Inc. can often be viewed positively by the market. It suggests that a sophisticated investor sees value in the company, potentially signaling confidence in its pipeline or strategic direction, which is a common trend in the biotech sector where institutional backing is crucial for development and growth.

Stakeholder Impact

• Shareholders: The disclosure of a significant institutional stake may positively influence investor sentiment and potentially the stock price, as it indicates a large investor's belief in the company's value.
• Company Management: Awareness of a significant institutional holder may influence strategic decisions or communication with the investment community.

Key Dates

Keywords

Minerva Neurosciences, Adage Capital Management, Schedule 13G, Beneficial Ownership, Institutional Investor, Common Stock, Warrants, Biotechnology, Pharmaceuticals