White & Case advises dMY Squared on business combination with Horizon Quantum

Global law firm White & Case LLP has advised dMY Squared Technology Group, Inc. (dMY) (OTC: DMYY, DMYY and DMYYW), a publicly traded special purpose acquisition company sponsored by dMY Technology Group, on the completion of its business combination with Horizon Quantum Computing Pte. Ltd. (Horizon Quantum) and the listing of the combined company on Nasdaq.

On March 20, 2026, the combined company's Class A ordinary shares and warrants began trading on Nasdaq under the ticker symbols HQ and HQWWW, respectively.

Horizon Quantum is building software infrastructure that empowers developers to use quantum computing to solve the world's toughest computational problems. The closing of the business combination provides Horizon Quantum with gross proceeds of approximately US$120 million, before transaction expenses, which the company plans to use to accelerate its investments in research and development, strengthen its hardware testbed and further advance its integrated development environment Triple Alpha.

The White & Case team was led by Capital Markets partners Joel Rubinstein and Jonathan Rochwarger, and included partners Scott Levi (all in New York) and Daniel Nussen (Los Angeles), and associates Melissa Curvino and Ryan Sharpstene (both in New York); M&A partners Neeta Sahadev (Silicon Valley) and Tzi Yang Seow (Singapore), and associates Edward Ernst (New York) Nicholas Choo and Victor Lim (both in Singapore); Employment, Compensation & Benefits partners Sasha Belinkie (New York) and Nicholas Greenacre (London), and associate Shehnai Arora (London); and Tax partner Scott Fryman and associate Daniel Park (both in New York). Law clerk Hopper Murray (New York) also advised on the matter.

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