[DayOne Secretly Submits U.S. IPO Application, Plans to Raise $5 Billion] According to Bloomberg, Singapore-based data center operator DayOne has secretly submitted an IPO application to the U.S. Securities and Exchange Commission (SEC), aiming to raise $5 billion with an estimated valuation of approximately $20 billion. DayOne was founded in 2022 and completed a $4.5 billion Series C funding round this June, led by Coatue Management and Hillhouse Capital. Investors include GDS, SoftBank Vision Fund, and Ken Griffin's capital firm.