SCHEDULE: RA Capital Reports 0% Stake in Sera Prognostics

RA Capital Management and its affiliates have filed an amended Schedule 13G, reporting zero beneficial ownership in Sera Prognostics, Inc.'s Class A Common Stock as of June 30, 2025.

Summary

• RA Capital Management, L.P., Peter Kolchinsky, Rajeev Shah, and RA Capital Healthcare Fund, L.P. are the reporting persons.
• The filing is an Amendment No. 2 to a Schedule 13G.
• As of June 30, 2025, all reporting persons beneficially own 0.00 shares of Sera Prognostics, Inc. Class A Common Stock.
• This represents 0.0% of the Class A Common Stock.
• The reporting persons disclaim status as a 'group' for the purposes of this Schedule 13G.
• The securities were not acquired or held for the purpose of changing or influencing control of the issuer.

Sentiment

Score: 5

Explanation: The filing is neutral as it is a factual report of beneficial ownership, indicating a complete divestment by the reporting entity. It does not contain positive or negative operational or financial information about the issuer.

Future Outlook

Not applicable, as this filing pertains to beneficial ownership reporting and does not contain forward-looking statements or guidance from the issuer.

Industry Context

This filing is a routine disclosure of institutional ownership changes. The reduction to zero beneficial ownership by RA Capital Management, a healthcare-focused investment firm, indicates a complete divestment of their previously held stake in Sera Prognostics, Inc. This type of divestment can occur for various reasons, including portfolio rebalancing, changes in investment strategy, or a reassessment of the company's prospects, but the filing itself does not provide the rationale.

Stakeholder Impact

• Shareholders: Existing shareholders may note the complete divestment by RA Capital Management, which could be interpreted in various ways depending on their perception of RA Capital's investment strategy. However, the filing itself provides no rationale for the divestment.
• Investment Professionals: Financial analysts will update their ownership models to reflect RA Capital's exit from Sera Prognostics' Class A Common Stock.

Key Dates

Keywords

Sera Prognostics, RA Capital Management, Schedule 13G, Beneficial Ownership, Class A Common Stock, Institutional Ownership, SEC Filing