Arm Holdings
ARM · NASDAQ
Who owns ARM
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 90.1% of ARM’s shares.
- SB Investment Advisers (UK) Limited86.4%
- Invesco Capital Management LLC1.1%
- Union Investment Management GmbH0.6%
- Capital World Investors0.4%
- Next 6 largest institutions1.6%
- All other shareholders9.9%
| Holder | Shares | % of shares |
|---|---|---|
| SB Investment Advisers (UK) Limited | 922.73M | 86.40% |
| Invesco Capital Management LLC | 11.36M | 1.06% |
| Union Investment Management GmbH | 6.41M | 0.60% |
| Capital World Investors | 4.33M | 0.41% |
| Arrowstreet Capital, Limited Partnership | 4.09M | 0.38% |
| Fidelity Management & Research Company LLC | 3.93M | 0.37% |
| Van Eck Associates Corporation | 2.60M | 0.24% |
| Goldman Sachs & Co. LLC | 2.41M | 0.23% |
| Capital Research Global Investors | 2.40M | 0.22% |
| Capital International Investors | 2.05M | 0.19% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Invesco QQQ Trust | 9.12M | 0.85% |
| VanEck Semiconductor ETF | 2.63M | 0.25% |
| UniFavorit: Aktien | 2.22M | 0.21% |
| American Funds Growth Fund of America | 2.08M | 0.19% |
| Fidelity Select Semiconductors Portfolio | 2.06M | 0.19% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $58.23M (27 trades) of ARM on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Child Jason | Sale | 10.40K | $3.12M |
| Abbey William | Award | 17.29K | — |
| Haas Rene A. | Award | 425.00K | — |
| Haas Rene A. | Award | 64 | $6.93K |
| Child Jason | Sale | 10.40K | $2.66M |
| Bartels Laura Kathleen | Option exercise | 819 | — |
| Bartels Laura Kathleen | Option exercise | 862 | — |
| Bartels Laura Kathleen | Tax withholding | 856 | $232.34K |
| Bartels Laura Kathleen | Option exercise | 819 | — |
| Bartels Laura Kathleen | Option exercise | 862 | — |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Cleo FieldsHouse | Sale | $50K–$100K | Dec 11, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 16.19M
- Days to cover
- 2.30
- % of shares outstanding
- 1.52%
- Average daily volume
- 7.05M
- Change since last report
- +4.3%
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