Company · Ownership research

ARM HOLDINGS PLC /UK ARM

CIK 0001973239 · CUSIP 042068205

Insider trading Initial holdings Institutional holders

Quarter-end disclosures, not live holdings.

Several CUSIPs are reported for this company; this page shows CUSIP 042068205 (ARM), not CUSIP 042068905 (ARM), CUSIP 042068955 (ARM), and does not merge CUSIPs.

This page lists the top 20 of 655 rows by value; the complete set is available through the API.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	Invesco Ltd. CIK 914208 · Amended · View history	$605.04M 5,535,093 shares	0.06%	+3.76M(+212.30%)Added	SEC filing ↗SEC filing ↗ Feb 19, 2026	▾
02	GOLDMAN SACHS GROUP INC CIK 886982 · Amended · View history	$423.46M 3,873,957 shares	0.06%	+464.37K(+13.60%)Added	SEC filing ↗ Mar 25, 2026	▾
03	MORGAN STANLEY CIK 895421 · Amended · View history	$413.52M 3,783,006 shares	0.02%	+45.31K(+1.20%)Added	SEC filing ↗ May 27, 2026	▾
04	Sustainable Growth Advisers, LP CIK 1290668 · View history	$291.65M 2,668,130 shares	2.02%	-213.58K(-7.40%)Reduced	SEC filing ↗ Feb 10, 2026	▾
05	BANK OF AMERICA CORP /DE/ CIK 70858 · View history	$256.39M 2,345,553 shares	0.02%	+542.58K(+30.10%)Added	SEC filing ↗ Feb 17, 2026	▾
06	COATUE MANAGEMENT LLC CIK 1135730 · Amended · View history	$251.41M 2,300,000 shares	0.63%	+40.17K(+1.80%)Added	SEC filing ↗ Feb 17, 2026	▾
07	WELLINGTON MANAGEMENT GROUP LLP CIK 902219 · View history	$234.92M 2,149,159 shares	0.04%	+633.01K(+41.80%)Added	SEC filing ↗ Feb 17, 2026	▾
08	DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main CIK 1694217 · View history	$232.97M 2,131,259 shares	0.20%	-2.09M(-49.60%)Reduced	SEC filing ↗ Feb 17, 2026	▾
09	Alphabet Inc. CIK 1652044 · View history	$214.33M 1,960,784 shares	8.31%	0(0.00%)Unchanged	SEC filing ↗ Feb 13, 2026	▾
10	SCHRODER INVESTMENT MANAGEMENT GROUP CIK 1086619 · View history	$206.74M 1,891,310 shares	0.16%	+187.03K(+11.00%)Added	SEC filing ↗ Feb 13, 2026	▾
11	SUSQUEHANNA INTERNATIONAL GROUP, LLP CIK 1446194 · View history	$205.59M 1,880,816 shares	0.28%	+1.66M(+750.80%)Added	SEC filing ↗ Feb 17, 2026	▾
12	Hyperion Asset Management Ltd CIK 1619844 · View history	$200.71M 1,836,185 shares	5.61%	+401.59K(+28.00%)Added	SEC filing ↗ Feb 17, 2026	▾
13	Capital Research Global Investors CIK 1422848 · View history	$197.33M 1,805,110 shares	0.04%	+86.98K(+5.10%)Added	SEC filing ↗ Feb 11, 2026	▾
14	FMR LLC CIK 315066 · View history	$189.17M 1,730,574 shares	0.01%	+233.52K(+15.60%)Added	SEC filing ↗ Feb 17, 2026	▾
15	UBS Group AG CIK 1610520 · View history	$183.33M 1,677,194 shares	0.04%	-385.57K(-18.70%)Reduced	SEC filing ↗ Jan 29, 2026	▾
16	FRANKLIN RESOURCES INC CIK 38777 · View history	$159.75M 1,461,410 shares	0.04%	+10.38K(+0.70%)Added	SEC filing ↗ Feb 11, 2026	▾
17	Mubadala Investment Co PJSC CIK 1704268 · View history	$150.52M 1,376,960 shares	0.86%	-125.00K(-8.30%)Reduced	SEC filing ↗ Feb 17, 2026	▾
18	Nuveen, LLC CIK 1871926 · View history	$149.11M 1,364,101 shares	0.04%	+452.73K(+49.70%)Added	SEC filing ↗ Feb 12, 2026	▾
19	Walleye Trading LLC CIK 1388391 · View history	$143.87M 1,316,179 shares	2.31%	+1.01M(+332.90%)Added	SEC filing ↗ Feb 13, 2026	▾
20	BlackRock, Inc. CIK 2012383 · View history	$142.98M 1,308,027 shares	0.00%	+203.52K(+18.40%)Added	SEC filing ↗ Feb 12, 2026	▾

Showing 20 / 655 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

655

Cancelled or null records excluded

Disclosed shares

81,944,372

Not deduplicated across managers

Disclosed value

$8.97B

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

ARM HOLDINGS PLC /UK · Q4 2025

Explore all 655 reporting institutions.

This page includes 20 of 655 reporting institutions. Log in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.

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Sources, coverage & how to read this data

Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.