Semiconductors
Arm is a Cambridge-based semiconductor technology group listed on Nasdaq. SoftBank Group is its controlling parent, with approximately 86.4% beneficial ownership reported on 21 May 2026. [1]
01 / Behind the name
Publicly listed · SoftBank controlled [1]
Arm Holdings plc is the listed Arm group parent; SoftBank Group is its controlling parent. Headquarters and incorporation here refer to Arm, and the tax observations cover Arm’s consolidated group, rather than all SoftBank businesses. The remaining Arm shares have other shareholders. [1]
02 / On the map
Headquarters, incorporation and tax residence describe different things. A headquarters address does not tell you where all of a company’s tax is paid.
Follow the investment
Investor disclosures found
Selected investor disclosures have been found. Each names the held entity, basis and date; the complete investor register remains outside this review. A stake in a parent or operating company is shown against that entity. Dates refer to each disclosure and can differ from the profile review date. Evidence links are included with each record.
Held entity · Arm Holdings plc
Approximately 86.4%
Holdings snapshot ·
SoftBank's beneficial interest is held through its subsidiary Kronos II LLC. This relates to Arm itself; the Norwegian fund's separate holding in SoftBank is shown at the SoftBank entity level.
Arm Holdings plc / SEC · Item 7, printed p. 113: SoftBank beneficial ownership at 21 May 2026
Accessed 4 Oct 2026Held entity · SoftBank Group Corp
1.14%
Holdings snapshot ·
Norway's sovereign fund, managed by Norges Bank Investment Management. The percentage is equity ownership in the named listed issuer, rounded as published. Linked brands can be subsidiaries or portfolio businesses; this is not a direct brand stake or a complete shareholder list.
Norges Bank Investment Management · Issuer SoftBank Group Corp; ID 2gq5wm6rcrdh. Equity ownership, separate from voting rights.
Accessed 4 Oct 2026Norges Bank Investment Management · Issuer ID 2gq5wm6rcrdh; published ownership field (o), not voting field (eq.v).
Accessed 4 Oct 202603 / The figures, with context
The 2026 Form 20-F provides cash income taxes by country. Its UK row is zero at the precision of the US$ millions table; the currency and rounding are retained.
Arm Holdings plc group · United Kingdom
Period ending 31 Mar 2026
Taxation note 16 shows a dash for UK cash income taxes, net of refunds, in a table stated in US$ millions. Recorded as US$0 at the report’s precision; this does not establish an exact zero in pounds or zero for every kind of tax. [1]
Arm Holdings plc · consolidated
Period ending 31 Mar 2026
The same country table totals US$223m worldwide, net of refunds. This is the Arm group, not the wider SoftBank group. [1]
These figures have different scopes. They should not be added together or used as a like-for-like tax ranking.
Understand the measures04 / Check our working
Primary sources used in this profile. Company disclosures are attributed to the company; inclusion is not an independent audit.
Arm · Cover: incorporation and Nasdaq ADSs; Item 4C/D: parent and Cambridge headquarters; Item 7: ownership; taxation note 16, printed p.178: cash by jurisdiction
Accessed 27 Sept 2026Companies House · Legal name, company number, domestic company type and incorporation. UK registration does not establish headquarters or tax residence; a constituent jurisdiction is not inferred from a registered-office address.
Accessed 30 Sept 2026