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ATEYY ADVANTEST CORPORATION NEW ADS

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Common stock (common), issuer CIK 1158838

13 managers (13 13F filers) reported a position in ATEYY shares at 2025-12-31, 87,524 shares in all. 2 filers opened a position and 1 filer sold out during the quarter.

Managers
13
13F filers
13
New
2
Added
6
Reduced
4
Sold out
1
Shares held by filers
87,524

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Boston Common Asset Management, LLC40,081$5.02M0.3%-11,40713F-HR/ATimeline
RHUMBLINE ADVISERS13,985$1.77M<0.01%+3,43613F-HRTimeline
Ativo Capital Management LLC11,900$1.5M1.32%new13F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC7,597$1M0.01%-7513F-HRTimeline
GAMMA Investing LLC5,064$640K0.03%+36813F-HRTimeline
Canopy Partners, LLC3,776$477K0.16%-17213F-HRTimeline
DIVERSIFIED TRUST CO2,869$359K0.01%+20513F-HRTimeline
Westside Investment Management, Inc.1,276$165K0.03%-47613F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…450$56.8K<0.01%+32013F-HRTimelineGroup
Salomon & Ludwin, LLC300$41.4K<0.01%+5713F-HRTimeline
Signature Equity Partners, LLC188$23.7K0.01%13F-HRTimeline
IMA Advisory Services, Inc.29$3.66K<0.01%new13F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK9$1.14K<0.01%+813F-HRTimelineGroup