
NASDAQ · Technology · Holders
Arm Holdings (ARM) Institutional Ownership & Insider Trading History
Top ARM institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Prices as of Sep 29, 9:52 AM EDT · Fundamentals checked Sep 29, 9:39 AM EDT
Ownership read
ARM insider transaction activity: Net selling.
Invesco Ltd. is the largest institutional holder. 19 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
ARM
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
12.82M
Invesco Ltd.
Insider transaction activity
Net selling
$72.16M sold / $0.0000 bought
Observations shown
48
10 holder / 38 insider
- Holder rows
- 10
- Yahoo Finance · Filing dates shown per row
- Increased / initiated
- 7
- 3 decreased · provider-reported changes
- Insider rows
- 38
- Yahoo Finance · Filing dates shown per row
Ownership concentration and transaction activity
- Top 10 reported holders
- 4.10% outstanding
- Changes with share-count history
- Prior-position data unavailable
- New / exited positions
- 0 / 0 explicitly reported
- Largest increase with share-count history
- Prior share counts unavailable
Reported-holder cohort only; absence from a limited provider list does not establish an exit. Changes are provider-reported and are only comparable quarter over quarter when the position periods match.
Net shares sold: 323,715
Sale-code S shares minus purchase-code P shares in this sample. Includes disclosed plans and unknown plan status; excludes grants, gifts, exercises and withholding. This is activity, not sentiment.
- Purchase / sale; plan unknown: 19
- Grant: 7
- Other / unclassified: 11
- Gift: 1
Top 10 institutional holders
Arm Holdings (ARM) institutional ownership
Ranked by reported share count, with position changes and separate position and filing dates where ownership data supplies them.
| # | Institution | % held | Shares | Change % | Position / filing date |
|---|---|---|---|---|---|
| 1 | 1.20% | 12.82M | +117.85% | Position as of Jun 30, 2026Filing date unknown | |
| 2 | Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main | 0.61% | 6.50M | -30.63% | Position as of Jun 30, 2026Filing date unknown |
| 3 | 0.41% | 4.33M | +100.00% | Position as of Jun 30, 2026Filing date unknown | |
| 4 | Arrowstreet Capital, Limited Partnership | 0.38% | 4.09M | +333.23% | Position as of Jun 30, 2026Filing date unknown |
| 5 | 0.38% | 4.06M | +65.90% | Position as of Jun 30, 2026Filing date unknown | |
| 6 | 0.27% | 2.92M | +79.33% | Position as of Jun 30, 2026Filing date unknown | |
| 7 | Van Eck Associates Corporation | 0.24% | 2.60M | +17.52% | Position as of Jun 30, 2026Filing date unknown |
| 8 | 0.22% | 2.40M | -43.08% | Position as of Jun 30, 2026Filing date unknown | |
| 9 | 0.20% | 2.16M | -51.65% | Position as of Jun 30, 2026Filing date unknown | |
| 10 | Capital International Investors | 0.19% | 2.05M | +75.91% | Position as of Jun 30, 2026Filing date unknown |
Recent insider transactions
Arm Holdings (ARM) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
| # | Insider | % company | Action | Shares | Transaction date |
|---|---|---|---|---|---|
| 1 | CHILD JASON E Chief Financial Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 10.40K | Sep 21, 2026 |
| 2 | HAAS RENE A Chief Executive Officer | <0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 64 | Aug 31, 2026 |
| 3 | CHILD JASON E Chief Financial Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 10.40K | Aug 27, 2026 |
| 4 | BARTELS LAURA KATHLEEN Officer | <0.01% | OtherProvider-supplied Form 4 action code. Review the original filing before making a trading judgment.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 1.68K | Aug 17, 2026 |
| 5 | SINE JEFFREY A. Director | <0.01% | Stock GiftProvider-supplied Form 4 action code. Review the original filing before making a trading judgment.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 9.57K | Aug 7, 2026 |
| 6 | BARTELS LAURA KATHLEEN Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 11.31K | Jun 2, 2026 |
| 7 | ABBEY WILLIAM Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 6.57K | Jun 1, 2026 |
| 8 | ABBEY WILLIAM Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 4.20K | May 28, 2026 |
| 9 | ABBEY WILLIAM Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 2.30K | May 22, 2026 |
| 10 | ABBEY WILLIAM Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 4.66K | May 21, 2026 |
| 11 | EATON CHARLOTTE CLAIRE Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 7.10K | May 21, 2026 |
| 12 | EATON CHARLOTTE CLAIRE Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 7.80K | May 21, 2026 |
Frequently asked
Common questions.
Who are the largest ARM shareholders?
Invesco Ltd. is the largest reported institutional holder of ARM, with 12.82 million shares, or about 1.20% of shares outstanding.
What does the institutional filing activity show for ARM?
Arm Holdings has 10 institutional rows on file: 7 increased or initiated positions and 3 reduced them.
What insider transactions are available for ARM?
TECHi shows 38 dated ARM insider transactions through Sep 21, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.
Are ARM insiders buying or selling?
The displayed ARM activity reads Net selling: 19 sales and 0 purchases. Other transaction types remain separate.
Who is the most active reported ARM insider?
HAAS RENE A has the largest absolute share movement in the displayed ARM filing rows, totaling 306,859 shares. The action labels provide the transaction context.
All data sources
Search the dated figures used for this view. Each entry identifies its units, reporting period and calculation status.
How to use this page
Use this to check who owns the float and whether insiders are active.
Best for Institutional concentration, insider transaction pattern, and float context.
Weak when Filings are delayed or transactions are administrative rather than economic.
US market hours
Regular hours: 9:30 AM–4:00 PM America/New_York
Next open: Checking…
Exchange calendar includes scheduled holidays and early closes. Extended-session prices appear separately only when supplied by the quote source.
Shortcuts
/ search · W watchlist · C compare · F financials · E earnings · N news · T technicals · Esc close
