ASX · NYSE · Semiconductors

ASE Technology (ADR)

Packages and tests semiconductors while assembling boards, modules, and finished electronics.

$37.80
After-hours close+0.03 (+0.08%)
At close$37.77(−2.90%)

Breakdown13F · Form 4

Institutions 6.97%Insiders

Shares outstanding 2.20B · Float 1.63B · 74.1% free float

Insiders — filings are in the shares behind the receipt.

This listing is a depositary receipt and the Form 4 positions here are filed in the shares behind it, a different unit from the share count and in a ratio the filings never state, so no insider percentage is shown.

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
BlackRock, Inc.26.26M1.19%13FAug 7, 2026
Bank of America Corp /DE/9.39M0.43%13FAug 14, 2026
Goldman Sachs Group Inc8.30M0.38%13FAug 14, 2026
Lazard Asset Management LLC7.97M0.36%13FAug 14, 2026
UBS Group AG7.79M0.35%13FAug 13, 2026

Institutions13F, as of Jun 30, 2026

505 holders · 153.34M shares · 155 new positions · 305 increased · 142 reduced · 42 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.26.26M1.19%+4.07MAug 7, 2026
Bank of America Corp /DE/9.39M0.43%+2.55MAug 14, 2026
Goldman Sachs Group Inc8.30M0.38%+2.46MAug 14, 2026
Lazard Asset Management LLC7.97M0.36%−5.56MAug 14, 2026
UBS Group AG7.79M0.35%−1.50MAug 13, 2026
Morgan Stanley5.80M0.26%−931.9KAug 13, 2026
Rafferty Asset Management, LLC5.52M0.25%+1.94MAug 14, 2026
American Century Companies Inc5.33M0.24%−494.6KAug 12, 2026

Beneficial owners13D/G · 5% or more, as filed

No 13D/G filer at 5% or more on record.

InsidersForm 4

No current Form 4 position on record.

17 positions are filed in the unlisted share unit (851.51M shares), which no share count here divides

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jul 22, 2026
Du-Tsuen Uangofficer: Chief Administration Officer
Sale3,000$665.00751,000
Jul 15, 2026
Du-Tsuen Uangofficer: Chief Administration Officer
Sale3,000$688.00754,000
Jul 6, 2026
Du-Tsuen Uangofficer: Chief Administration Officer
Sale2,000$687.00757,000
Jul 1, 2026
Du-Tsuen Uangofficer: Chief Administration Officer
Sale3,000$709.00759,000
Jun 30, 2026
Du-Tsuen Uangofficer: Chief Administration Officer
Sale · 2 lots5,000$673.20762,000
Jun 23, 2026
Du-Tsuen Uangofficer: Chief Administration Officer
Sale3,000$697.00767,000
Jun 22, 2026
Du-Tsuen Uangofficer: Chief Administration Officer
Sale5,000$667.00770,000
Jun 18, 2026
Du-Tsuen Uangofficer: Chief Administration Officer
Sale3,000$611.00775,000
Jun 3, 2026
Du-Tsuen Uangofficer: Chief Administration Officer
Sale5,000$617.00778,000
Jun 1, 2026
Du-Tsuen Uangofficer: Chief Administration Officer
Sale5,000$607.00783,000

CongressHouse and Senate disclosures

Not reported.