Which Arm company went public on Nasdaq in 2023?

Three company numbers resolve the history

The prospectus dates the operating company’s incorporation to 1990, under the name Widelogic. It identifies the old listed parent as company 02548782 and the parent used for the 2023 offering as company 11299879. The numbers distinguish the entities behind a repeated name. Source 1

The 2023 reorganisation put a new parent above the business

Arm says its shareholders exchanged shares in the operating company for newly issued shares in Arm Holdings Limited. The holding company then re-registered as a public limited company in England and Wales on 1 September 2023. Source 1

The offering used depositary shares

Arm’s prospectus set an initial offer of 95.5 million American depositary shares at USD 51 apiece. The closing announcement records another seven million through the underwriters’ option, bringing the final number to 102.5 million. The depositary shares represent ordinary shares. Source 1 Source 2

The proceeds went to the selling shareholder

The prospectus identifies an existing shareholder as the seller and says Arm would receive no proceeds from that sale. Multiplying the final count by the offer price gives about USD 5.23 billion in gross offer value before deductions. That calculation describes the transaction and excludes other outstanding shares. Source 1 Source 2

Sources

• Arm Holdings plc SEC prospectus, September 2023
• Arm Holdings closing announcement, 18 September 2023