At the IPO price, Arm is valued at about US$54.5 billion, according to Bloomberg News calculations. Underwriters have the option of buying as many as 7 million additional shares.
Arm Holdings priced its initial public offering at the top end of its range to raise US$4.87 billion in the largest listing of the year, one that could give a major lift to long-suffering equity markets.
The chip designer, which is owned by SoftBank Group Corp, sold 95.5 million American depositary shares for US$51 apiece, according to a statement Wednesday confirming an earlier Bloomberg News report. Arm had marketed the shares for US$47 to US$51 each.

