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ASE Technology Holding Co., Ltd.

ASX
Exchange
NYSE
Industry
Semiconductors & Related Devices
SEC CIK
0001122411

No open-market purchases or sales by ASE Technology Holding Co., Ltd. insiders were filed in the last 90 days; 487 institutions reported holding it in 13F filings for Q2 2026, worth $6.89B in total; Maverick Capital is the only superinvestor holding it.

Holders of 5% or more of ASX

Holders whose latest Schedule 13D or 13G filing reports 5% or more of ASE Technology Holding Co., Ltd., largest stake first. The change is against the holder's previous filing.

No holder currently reports owning 5% or more of ASE Technology Holding Co., Ltd. on Schedule 13D or 13G.

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

Schedule 13D and 13G filings on ASE Technology Holding Co., Ltd., newest first.

No Schedule 13D or 13G filings on ASE Technology Holding Co., Ltd. are on file.

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell ASE Technology Holding Co., Ltd. shares.

No Form 144 notices for ASE Technology Holding Co., Ltd. are on file.