SCHEDULE: RTW Investments Discloses 9.99% Stake in COMPASS Pathways

RTW Investments and Roderick Wong have disclosed a 9.99% beneficial ownership stake in COMPASS Pathways plc, including shares from warrant exercise.

Summary

• RTW Investments, LP and Roderick Wong, M.D. (collectively, the "Reporting Persons") have filed an Amendment No. 1 to Schedule 13G.
• The filing discloses beneficial ownership of 9,474,397 Ordinary Shares of COMPASS Pathways plc.
• This represents 9.99% of the company's outstanding shares.
• The percentage is calculated based on 93,586,348 shares outstanding as of June 30, 2025, and includes the assumed exercise of 1,252,468 warrants held by the Reporting Persons, up to a 9.99% beneficial ownership limit.
• The shares were acquired and are held in the ordinary course of business, not for the purpose of changing or influencing control of the issuer.

Sentiment

Score: 7

Explanation: The disclosure of a significant, passive stake by a reputable investment firm is generally a positive signal of investor confidence, though it does not provide new operational or financial performance data.

Positives

• A significant institutional investor, RTW Investments, holds a substantial stake, indicating confidence in COMPASS Pathways plc.
• The investment is stated to be in the ordinary course of business, suggesting a long-term, passive investment rather than an activist stance.

Risks

• The beneficial ownership is capped at 9.99% due to warrant terms, limiting potential further accumulation via warrant exercise by the Reporting Persons.

Future Outlook

Not applicable as this filing is a disclosure of current beneficial ownership and does not contain forward-looking statements or guidance from the issuer or reporting persons regarding the issuer's future performance.

Industry Context

This filing indicates continued institutional interest in the biotechnology and mental health sectors, specifically in companies like COMPASS Pathways plc, which are developing novel therapies. The significant stake by an investment adviser specializing in healthcare suggests a belief in the long-term potential of the company's pipeline or market position.

Stakeholder Impact

• Shareholders: The disclosure of a significant institutional investor may instill confidence and potentially attract further investment.
• Company Management: Awareness of a large, passive institutional holder may influence strategic decisions, though the filing states no intent to influence control.

Key Dates

Keywords

COMPASS Pathways plc, CMPS, RTW Investments, Roderick Wong, Schedule 13G, Beneficial Ownership, Investment Adviser, Biotechnology, Mental Health