River Global Investors LLP Acquires 6.1% Stake in MaxCyte, Inc. (MXCT)

On May 14, 2026, River Global Investors LLP filed a Schedule 13D disclosing a new significant stake in MaxCyte, Inc. (MXCT). The United Kingdom-based investment firm reported the acquisition of 6,529,027 shares of common stock, representing approximately 6.1% of the company's equity. The shares were acquired using investment capital from funds managed by the reporting person. Specifically, the filing details open-market transactions occurring on May 13, 2026, including the purchase of 31,000 shares at $1.115 and 619,000 shares at $1.1142 per share. River Global Investors LLP holds sole voting and dispositive power over the entire 6,529,027 share position. The purpose of the acquisition was stated as the acquisition of securities of the issuer, and the transactions were conducted through brokers in ordinary open-market transactions. This filing marks a transition to a 5% or greater beneficial ownership level for the reporting person in MaxCyte, Inc. as of the event date of May 13, 2026.