The British microprocessor firm Arm, owned by the Japanese conglomerate Softbank, went public yesterday with a rise in its shares of more than 16% and after having an initial valuation of more than 52,000 million dollars (48,841 million euros). With these figures, the company has staged the largest public sale offering (IPO) in the United States in two years.

Through this IPO, Softbank placed 9.4% of Arm’s capital, but the offer allows potential shareholders the option to acquire another seven million shares to cover potential oversubscriptions, if any, during the 30 days following publication. of the definitive prospectus.Once the sale has been carried out, the Japanese group will continue to retain 90.6% of the ordinary share capital of Arm, an amount that would be diluted to a maximum of 90% if the shareholders take advantage of the possibility to obtain additional ADS.

Some companies, such as Apple, Intel, Google or Nvidia, have shown interest in participating in the Arm IPO. This same week, Taiwan-based microprocessor maker TSMC announced it would invest €94 million in the offering. In 2016, SoftBank paid 32 billion dollars (30,056 million euros) to acquire Arm.