Boston Common Asset Management, LLC

Position in ATEYY — Advantest Corp

CIK 1409427 BOSTON, MA

Back to ATEYY Full portfolio

Position in ATEYY

as of Jun 30, 2026 · filed Jul 21, 2026 Compact

Position Value

$6,749,258

+$2,430,500 QoQ

Shares Held

32,439

+2.0% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.47%

of 13F equity value

Holder Rank

of 9 holders

Holding Since

Jun 2025

4 quarters on record

Voting authority Sole 89% Shared 0% None 11%

Common Shares in ATEYY Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

Boston Common Asset Management, LLC holds $50,878,341 across 3 Semiconductor Equipment & Materials names. ATEYY ranks #3 (13.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMAT	Applied Materials Inc /De	49,204	$35,574,492
2	ASML	Asml Holding NV	4,300	$8,554,591
3	ATEYY	Advantest Corp This page	32,439	$6,749,258

All Filings in ATEYY

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4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$6,749,258	32,439	+2.0%	Shares	Sole	2026-07-21
2026-03-31	$4,318,758	31,800	-38.2%	Shares	Sole	2026-05-07
2025-09-30	$5,174,544	51,488	+5.1%	Shares	Sole	2025-10-30
2025-06-30	$3,623,448	48,992	—	Shares	Sole	2025-07-22
No filing history on record for this holder in this stock.