SEC Filing Summary for Sensei Biotherapeutics, Inc. - Initial Ownership Filing

This filing details the initial ownership of Sensei Biotherapeutics, Inc. (SNSE) by Millennium Management LLC and related entities. Millennium Management LLC, through ICS Opportunities II LLC and other trading entities, holds 127,095 shares of the company's common stock. The filing indicates that Israel A. Englander has voting control and investment discretion over these holdings. Millennium Management LLC is identified as a ten percent owner. The shares were acquired or are held as of March 26, 2026. This report is an initial ownership filing (Form 3) and specifies indirect ownership with shared voting power.