Companies · 1 holder Net worths as of Sep 24, 2026
Billionaires Digest
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ARM · Nasdaq

Who owns Arm?

1 of the world’s richest people holds Arm in our tracked profiles.

ARM $306.34 ▼ 7.88%as of Sep 24, 2026 4:00 PM ET · via Finnhub

Billionaire holders

  1. Masayoshi Son#29 · $72.6B
    Chairman of the Board~86.4% held by SoftBank Group · as of May 2026
    More
    Entry
    Arm Holdings plc
    Ticker
    ARM
    Exchange
    Nasdaq
    Role
    Chairman of the Board; SoftBank Group beneficially owns ~86.4% (held of record by Kronos II LLC; Son disclaims beneficial ownership)
    Stake
    ~86.4% held by SoftBank Group
    Stake as of
    2026-05-21
    source ↗

Each row is a sourced entry from that person’s profile. Stakes are as of the date shown, not today.

Recent SEC filings

No Form 4 insider trades in Arm from the holders above in the last 90 days.

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Recent moves

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