Comparable stake leader
SOFTBANK GROUP CORP.
SEC ownership of ARM HOLDINGS PLC /UK
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001973239.
Disclosed value leader
SOFTBANK GROUP CORP.
Comparable rows
0/50
Latest evidence
30 Jun 2026
- Public ticker
- ARM on Nasdaq
- Parsed ownership sources
-
3/4/5 and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
SOFTBANK GROUP CORP.
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001973239
- Issuer location
- Cambridge, United Kingdom
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of ARM HOLDINGS PLC /UK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
SOFTBANK GROUP CORP.
Disclosed value leader
SOFTBANK GROUP CORP.
Comparable rows
0/50
Latest evidence
30 Jun 2026
3/4/5
13F
Highest disclosed value: $18,454,679,980
50 rows are not safely comparable across share classes.
Showing 1-8 of 50 holder rows.
Quick read
SOFTBANK GROUP CORP. has the largest disclosed position value at $18.45B.
0 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens SOFTBANK GROUP CORP.'s linked filing trail.
Disclosed position value
Top 5
SOFTBANK GROUP CORP.
$18.45B
Invesco Ltd.
$4.54B
DZ BANK AG Deutsche Zentral Genos...
$2.31B
Capital World Investors
$1.54B
ARROWSTREET CAPITAL, LIMITED PART...
$1.45B
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| SOFTBANK GROUP CORP. |
3/4/5
Director, 10%+ Owner
|
—
class O/S missing
|
$18,454,679,980
922,733,999 shares
|
— | 18 Mar 2026 |
| Invesco Ltd. |
13F
Company
|
—
class O/S missing
|
$4,544,377,607
12,816,588 shares
|
— | 30 Jun 2026 |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main |
13F
Company
|
—
class O/S missing
|
$2,306,174,449
6,504,147 shares
|
— | 30 Jun 2026 |
| Capital World Investors |
13F
Company
|
—
class O/S missing
|
$1,535,420,948
4,330,875 shares
|
— | 30 Jun 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
—
class O/S missing
|
$1,451,856,361
4,094,696 shares
|
— | 30 Jun 2026 |
| FMR LLC |
13F
Company
|
—
class O/S missing
|
$1,440,609,904
4,062,977 shares
|
— | 30 Jun 2026 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
—
class O/S missing
|
$1,036,375,738
2,922,908 shares
|
— | 30 Jun 2026 |
| VAN ECK ASSOCIATES CORP |
13F
Company
|
—
class O/S missing
|
$922,093,678
2,600,597 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$69,035,792.
Buys
$0
Insiders: 0
Sells
$69,035,792
Insiders: 7
Net
-$69,035,792
Shares: -313,315
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 313,315
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 10,400 | $0 | $2,655,432 | -$2,655,432 |
| 3-6 | 0 | 302,915 | $0 | $66,380,360 | -$66,380,360 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-15 of 15 reporting-owner rows connected to ARM HOLDINGS PLC /UK. Open a relationship link for the CIK-to-CIK filing trail.
Rows
15
Largest Forms 3/4/5 holder
SOFTBANK GROUP CORP.
Net 12M change
-$69,035,792
Latest report
09 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| SOFTBANK GROUP CORP. | Director, 10%+ Owner | $18,454,679,980 | Mixed | 18 Mar 2026 | ||
| Jason Child | Chief Financial Officer | $41,831,224 | -$16,874,302 | -29% | Filing P/S | 27 Aug 2026 |
| William Abbey | Chief Commercial Officer | $8,544,337 | -$12,023,373 | -58% | Filing P/S | 01 Jun 2026 |
| Rene A. Haas | Chief Executive Officer, Director | $7,921,420 | -$6,627,111 | -46% | Median | 09 Sep 2026 |
| Ronald D. Fisher | Director | $712,300 | Mixed | 15 May 2026 | ||
| Karen E. Dykstra | Director | $274,180 | Mixed | 15 May 2026 | ||
| Laura Kathleen Bartels | Chief Accounting Officer | $259,200 | -$4,439,866 | -94% | Median | 17 Aug 2026 |
| Rosemary Schooler | Director | $191,440 | Mixed | 15 May 2026 | ||
| Paul E. Jacobs | Director | $191,440 | Mixed | 15 May 2026 | ||
| Young K. Sohn | Director | $47,920 | Mixed | 15 May 2026 | ||
| Charlotte Claire Eaton | Chief People Officer | $0 | -$4,176,576 | -100% | Mixed | 21 May 2026 |
| Spencer Collins | Chief Legal Officer | $0 | -$19,804,062 | -100% | Mixed | 19 May 2026 |
| Jeffrey Sine | Director | $0 | Mixed | 07 Aug 2026 | ||
| Richard Roy Grisenthwaite | Chief Architect | $0 | -$5,090,502 | -100% | Mixed | 15 May 2026 |
| Son Masayoshi | Director | $0 | Mixed | 18 Mar 2026 |
Recent insider transactions for ARM HOLDINGS PLC /UK
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Rene A. Haas | ARM | Restricted Stock Units | Award | 425,000 | 425,000 | 09 Sep 2026 | Direct | |||
| Rene A. Haas | ARM | Ordinary Shares | Award | 0.02% | 64 | 338,666 | 31 Aug 2026 | Direct | ||
| Jason Child | ARM | Ordinary Shares | Sale | -5.97% | $2,655,432 | $255.33 | -10,400 | 163,832 | 27 Aug 2026 | Direct |
| Laura Kathleen Bartels | ARM | Ordinary Shares | Tax liability | -6.2% | -856 | 12,960 | 17 Aug 2026 | Direct | ||
| Laura Kathleen Bartels | ARM | Ordinary Shares | Options Exercise | 13.8% | 1,681 | 13,816 | 17 Aug 2026 | Direct | ||
| Laura Kathleen Bartels | ARM | Restricted Stock Units | Options Exercise | -1.66% | -1,681 | 99,571 | 17 Aug 2026 | Direct | ||
| Jeffrey Sine | ARM | Ordinary Shares | Gift | -100% | -9,572 | 0 | 07 Aug 2026 | Direct | ||
| Laura Kathleen Bartels | ARM | Ordinary Shares | Sale | -48.2% | $4,439,866 | $392.70 | -11,306 | 12,135 | 02 Jun 2026 | Direct |
| William Abbey | ARM | Ordinary Shares | Sale | -24.2% | $2,644,252 | $402.72 | -6,566 | 20,563 | 01 Jun 2026 | Direct |
| William Abbey | ARM | Ordinary Shares | Sale | -13.4% | $1,444,002 | $343.81 | -4,200 | 27,129 | 28 May 2026 | Direct |
| William Abbey | ARM | Ordinary Shares | Sale | -6.84% | $703,386 | $305.82 | -2,300 | 31,329 | 22 May 2026 | Direct |
| William Abbey | ARM | Ordinary Shares | Sale | -12.2% | $1,336,125 | $287.03 | -4,655 | 33,629 | 21 May 2026 | Direct |
| Charlotte Claire Eaton | ARM | Ordinary Shares | Sale | -100% | $2,263,520 | $290.01 | -7,805 | 0 | 21 May 2026 | Direct |
| Charlotte Claire Eaton | ARM | Ordinary Shares | Sale | -33.9% | $1,131,080 | $282.77 | -4,000 | 7,805 | 21 May 2026 | Direct |
| William Abbey | ARM | Ordinary Shares | Sale | -11.7% | $1,303,645 | $257.18 | -5,069 | 38,284 | 20 May 2026 | Direct |
| Jason Child | ARM | Ordinary Shares | Sale | -15.5% | $7,231,157 | $226.54 | -31,920 | 174,232 | 20 May 2026 | Direct |
| Charlotte Claire Eaton | ARM | Ordinary Shares | Sale | -20.8% | $781,975 | $252.25 | -3,100 | 11,805 | 20 May 2026 | Direct |
| Spencer Collins | ARM | Ordinary Shares | Sale | -100% | $8,802,315 | $215.00 | -40,941 | 0 | 19 May 2026 | Direct |
| William Abbey | ARM | Ordinary Shares | Sale | -20.1% | $2,440,212 | $224.14 | -10,887 | 43,353 | 19 May 2026 | Direct |
| Richard Roy Grisenthwaite | ARM | Ordinary Shares | Sale | -100% | $5,090,502 | $209.15 | -24,339 | 0 | 18 May 2026 | Direct |
| Laura Kathleen Bartels | ARM | Ordinary Shares | Tax liability | -12.6% | -3,383 | 23,441 | 15 May 2026 | Direct | ||
| Laura Kathleen Bartels | ARM | Ordinary Shares | Options Exercise | 33.7% | 6,758 | 26,824 | 15 May 2026 | Direct | ||
| Laura Kathleen Bartels | ARM | Restricted Stock Units | Options Exercise | -6.26% | -6,758 | 101,252 | 15 May 2026 | Direct | ||
| Laura Kathleen Bartels | ARM | Restricted Stock Units | Award | 395.6% | 86,215 | 108,010 | 15 May 2026 | Direct | ||
| William Abbey | ARM | Ordinary Shares | Sale | -10.9% | $1,487,850 | $212.55 | -7,000 | 57,394 | 15 May 2026 | Direct |
| William Abbey | ARM | Ordinary Shares | Tax liability | -19.2% | -15,317 | 64,394 | 15 May 2026 | Direct | ||
| William Abbey | ARM | Ordinary Shares | Options Exercise | 11.5% | 8,200 | 79,711 | 15 May 2026 | Direct | ||
| William Abbey | ARM | Ordinary Shares | Award | 45.1% | 23,310 | 75,005 | 15 May 2026 | Direct | ||
| William Abbey | ARM | Restricted Stock Units | Options Exercise | -14.6% | -8,200 | 47,982 | 15 May 2026 | Direct | ||
| William Abbey | ARM | Restricted Stock Units | Award | 11% | 5,566 | 56,182 | 15 May 2026 | Direct | ||
| Richard Roy Grisenthwaite | ARM | Ordinary Shares | Tax liability | -46.7% | -21,301 | 24,339 | 15 May 2026 | Direct | ||
| Richard Roy Grisenthwaite | ARM | Ordinary Shares | Options Exercise | 98.3% | 22,624 | 45,640 | 15 May 2026 | Direct | ||
| Richard Roy Grisenthwaite | ARM | Ordinary Shares | Award | 122% | 22,690 | 41,288 | 15 May 2026 | Direct | ||
| Richard Roy Grisenthwaite | ARM | Restricted Stock Units | Options Exercise | -16% | -22,624 | 118,443 | 15 May 2026 | Direct | ||
| Richard Roy Grisenthwaite | ARM | Restricted Stock Units | Award | 41.6% | 41,433 | 141,067 | 15 May 2026 | Direct | ||
| Spencer Collins | ARM | Ordinary Shares | Tax liability | -47% | -36,310 | 40,941 | 15 May 2026 | Direct | ||
| Spencer Collins | ARM | Ordinary Shares | Options Exercise | 76.2% | 8,134 | 18,802 | 15 May 2026 | Direct | ||
| Spencer Collins | ARM | Ordinary Shares | Award | 849.7% | 69,117 | 77,251 | 15 May 2026 | Direct | ||
| Spencer Collins | ARM | Restricted Stock Units | Options Exercise | -5.54% | -8,134 | 138,760 | 15 May 2026 | Direct | ||
| Spencer Collins | ARM | Restricted Stock Units | Award | 12% | 15,716 | 146,894 | 15 May 2026 | Direct | ||
| Charlotte Claire Eaton | ARM | Ordinary Shares | Tax liability | -19.8% | -3,672 | 14,905 | 15 May 2026 | Direct | ||
| Charlotte Claire Eaton | ARM | Ordinary Shares | Options Exercise | 13.4% | 2,200 | 18,577 | 15 May 2026 | Direct | ||
| Charlotte Claire Eaton | ARM | Ordinary Shares | Award | 52.1% | 5,612 | 16,377 | 15 May 2026 | Direct | ||
| Charlotte Claire Eaton | ARM | Restricted Stock Units | Options Exercise | -1.75% | -2,200 | 123,505 | 15 May 2026 | Direct | ||
| Charlotte Claire Eaton | ARM | Restricted Stock Units | Award | 6.84% | 8,044 | 125,705 | 15 May 2026 | Direct | ||
| Rene A. Haas | ARM | Ordinary Shares | Tax liability | -26.6% | -143,316 | 396,007 | 15 May 2026 | Direct | ||
| Rene A. Haas | ARM | Ordinary Shares | Award | 97.1% | 265,643 | 539,323 | 15 May 2026 | Direct | ||
| Jason Child | ARM | Ordinary Shares | Tax liability | -15.6% | -37,950 | 206,152 | 15 May 2026 | Direct | ||
| Jason Child | ARM | Ordinary Shares | Options Exercise | 5.26% | 9,317 | 186,501 | 15 May 2026 | Direct | ||
| Jason Child | ARM | Ordinary Shares | Award | 50% | 81,359 | 244,102 | 15 May 2026 | Direct |
* marks a reported price that did not pass the local price check.