Two Seas Capital LP Increases Stake in Arbutus Biopharma to 9.4%

2026-05-15SEC Filing SCHEDULE 13G/A (0001011438-26-000347)

Two Seas Capital LP, along with Two Seas Capital GP LLC and Sina Toussi, filed a Schedule 13G/A on May 15, 2026, disclosing a significant ownership position in Arbutus Biopharma Corporation (ABUS). As of the event date on March 31, 2026, the reporting persons collectively beneficially own 18,557,543 common shares, representing a 9.4% stake in the company. This filing indicates an increase from a previously reported 0.0% ownership level. The shares are held through Two Seas Global (Master) Fund LP, which holds 13,904,953 shares, and Two Seas LNP Opportunities (Master) Fund LP, which holds 4,652,590 shares. Two Seas Capital LP serves as the investment manager for these funds, with Sina Toussi acting as the managing member of the general partner. The filing confirms that the securities were acquired in the ordinary course of business and not for the purpose of changing or influencing the control of the issuer. The ownership percentage is based on 196,947,757 common shares outstanding as of May 13, 2026.

Ticker mentioned:ABUSInstitution mentioned:Two Seas Capital LP
Related industry:Biotechnology