Adage Capital reports 9% ETSS stake in Energy Transition Special Opportunities (ETSS)

Adage Capital Management, L.P. and related entities have reported a 9.00% beneficial ownership stake in Energy Transition Special Opportunities (ETSS), totaling 1,350,000 Class A Ordinary Shares. This filing, a Schedule 13G, indicates shared voting and dispositive power over these shares by Adage Capital Management, Robert Atchinson, and Phillip Gross. The ownership percentage is based on 15,000,000 Class A Ordinary Shares outstanding as of June 25, 2026.