BLAIR WILLIAM & CO/IL

Position in ARM — Arm Holdings PLC /Uk

CIK 902367 CHICAGO, IL

Position in ARM

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$7,109,128

+$4,681,538 QoQ

Shares Held

20,050

+24.9% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#231

of 955 holders

Holding Since

Mar 2024

10 quarters on record

Voting authority Sole 94% Shared 0% None 6%

Technology · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $2,554,349,202 across 30 Semiconductors names. ARM ranks #15 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NVDA	Nvidia Corp	5,374,424	$1,075,368,497
2	MU	Micron Technology Inc	315,878	$364,614,816
3	AVGO	Broadcom Inc.	929,716	$351,200,219
4	MRVL	Marvell Technology, Inc.	530,549	$158,045,241
5	AMD	Advanced Micro Devices Inc	235,214	$136,638,164
6	TSM	Taiwan Semiconductor Manufacturing Co Ltd	191,662	$91,532,020
7	QCOM	Qualcomm Inc/De	468,859	$86,640,454
8	MCHP	Microchip Technology Inc	579,940	$52,890,528

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$7,109,128	20,050	+24.9%	Shares	Sole	2026-08-11
2026-03-31	$2,427,590	16,047	+23.5%	Shares	Sole	2026-05-08
2025-12-31	$1,420,592	12,996	-6.3%	Shares	Sole	2026-02-17
2025-09-30	$1,962,607	13,871	-19.9%	Shares	Sole	2025-11-12
2025-06-30	$2,800,851	17,317	-80.4%	Shares	Sole	2025-07-24
2025-03-31	$9,444,080	88,436	+14.3%	Shares	Sole	2025-05-09
2024-12-31	$9,545,596	77,380	+57.4%	Shares	Sole	2025-02-12
2024-09-30	$7,030,800	49,163	+790.6%	Shares	Sole	2024-11-12
2024-06-30	$903,182	5,520	+128.1%	Shares	Sole	2024-08-12
2024-03-31	$302,475	2,420	—	Shares	Sole	2024-05-09
No filing history on record for this holder in this stock.