Who Owns ASE Technology Holding Co Ltd
Every manager with more than $100m in listed equities files a 13F each quarter naming what they hold. These are the ones reporting a position in ASE Technology Holding Co Ltd.
Who crossed 5% of ASX →Positions as of 2026-09-30
Largest first. The move is against the previous quarter that manager filed, not the previous calendar quarter.
| Manager | Value |
|---|---|
| Legacy Wealth Asset Management, LLCSPONSORED ADS106.4K shtrimmed | $4.7M |
| GAMMA Investing LLCADR29K shadded | $1.3M |
| Farther Finance Advisors, LLCADR16.5K shtrimmed | $731.5K |
| Valeo Financial Advisors, LLCADR12.2K shadded | $544.3K |
| Hamilton Capital, LLCSPONSORED ADS7.5K shtrimmed | $331.8K |
| RIVERSEDGE ADVISORS, LLCSPONSORED ADS5.7K shtrimmed | $253.8K |
| Athena Wealth Management, LLCSPONSORED ADS5.1K shtrimmed | $225.6K |
| Echo45 Advisors LLCSPONSORED ADS4.8K shadded | $212.3K |
| Grove Bank & TrustSPONSORED ADS4.3K shtrimmed | $191.2K |
| EASTERN BANKSPONSORED ADS2.3K shadded | $104K |
| Retirement Wealth Solutions LLCSPONSORED ADS950 shtrimmed | $42.2K |
| ELEVATION WEALTH PARTNERS, LLCSPONSORED ADS314 shheld | $14K |
| CoreCap Advisors, LLCADR156 shheld | $6.9K |
| Trust CoADR132 shheld | $5.9K |
Source: quarterly 13F filings, via EDGAR. A 13F reports positions by CUSIP alone; each CUSIP here has been confirmed against OpenFIGI rather than matched by name, because a name match would attribute one company's shareholders to another. Positions are as of quarter end and can be months old by the time they are filed, and 13F covers long equity positions only — not shorts, and not most debt. The summed value is what these filers reported, not the company's institutional ownership.
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