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Sports-focused SPAC RMG ML Sports Holding files for a $261 million IPO, led by Riderside's James Carpenter

February 27, 2026

RMG ML Sports Holdings, a blank check company led by Riverside's James Carpenter targeting sports, filed on Friday with the SEC to raise up to $261 million in an initial public offering.

The Incline Village, NV-based company plans to raise $261 million by offering 26.1 million units at a price of $10. Each unit consists of one share of common stock and one right to receive one-tenth of one ordinary share upon the consummation of an initial business combination.

RMG ML Sports Holdings is led by CEO and Director James Carpenter, who is the founder and CEO of Riverside Management Group. He is joined by CFO and Director Douglas Horlick, who is an investment banker at BCW Securities and the founder of Estancia, and Chairman Paul Grinberg, who is the Chairman of Axos Financial.

The SPAC intends to target the global sports industry and adjacent sectors including, but not limited to, entertainment, eSports, gaming, music publishing and real estate development (focused on stadiums and venues).

Management's previous SPACs include RMG Acquisition I, which finished its business combination with Romeo Power in 2020, before it was acquired and liquidated by Nikola in 2023; RMG Acquisition II, which completed its combination with ReNew Power (RNW; -45%) in 2021; RMG Acquisition III, which was liquidated in 2025; RMG Acquisition IV, RMG Acquisition V, RMG Acquisition VI, and RMG Acquisition VII, which all withdrew their IPOs in 2022. 

The Incline Village, NV-based company was founded in 2025 and plans to list on the Nasdaq under the symbol SHOTU. RMG ML Sports Holdings filed confidentially on January 29, 2026. Santander is the sole bookrunner on the deal.