Cormorant Asset Management Discloses New 7.56% Stake in Rallybio Corp (RLYB)

2026-05-15SEC Filing SCHEDULE 13G (0001172661-26-002223)

On May 15, 2026, Cormorant Asset Management, LP, and its managing member Bihua Chen filed a Schedule 13G disclosing a new 7.56% stake in Rallybio Corp (RLYB). The reporting persons beneficially own 400,000 shares of Common Stock as of the event date of March 31, 2026. This position was previously reported as zero, marking a significant new investment by the firm. The shares are held directly by various Cormorant Funds, with Cormorant Asset Management serving as the investment adviser. Specifically, the Cormorant Global Healthcare Master Fund, LP, is noted as having the right to receive dividends or proceeds from more than 5% of the total shares. The filing indicates that the securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. The ownership percentage is based on 5,289,675 shares of Common Stock outstanding as of March 6, 2026.