ADAR1 Capital Management Reports New 17.5% Stake in Rallybio Corporation

ADAR1 Capital Management, LLC, along with its manager Daniel Schneeberger, has filed a Schedule 13G disclosing a new significant position in Rallybio Corporation (RLYB). As of May 31, 2026, the reporting persons beneficially own 926,352 shares of common stock, representing 17.5% of the company's outstanding shares. This filing marks a substantial increase from a previous 0% holding, establishing ADAR1 as a major institutional shareholder. The shares are held directly by private investment funds and separately managed accounts under ADAR1's management. The reporting persons have certified that these securities were acquired in the ordinary course of business and not for the purpose of influencing or changing control of the issuer. The calculation of the ownership percentage is based on 5,298,137 shares outstanding as of May 8, 2026. The filing was executed on June 5, 2026, and includes a joint filing agreement between the Texas-based investment adviser and Mr. Schneeberger, a Swiss citizen.