RA Capital Management Reports New 5.8% Stake in Editas Medicine, Inc.

On June 3, 2026, RA Capital Management, L.P., along with Peter Kolchinsky, Rajeev Shah, and RA Capital Healthcare Fund, L.P., filed a Schedule 13G regarding their holdings in Editas Medicine, Inc. (EDIT). The filing reveals that the reporting persons collectively acquired 8,889,000 shares of common stock, representing a 5.8% ownership stake in the company. This acquisition follows an event date of May 27, 2026, and marks a significant increase from their previously reported 0.0% position. RA Capital Management serves as the investment adviser for the Fund, with Dr. Kolchinsky and Mr. Shah acting as controlling persons. While the Fund directly holds the shares, RA Capital maintains sole power to vote and dispose of the securities. The reporting persons have certified that these shares were acquired for investment purposes and not with the intent of changing or influencing the control of the issuer. The ownership percentage is based on 153,461,838 shares of common stock outstanding as of late May 2026.