ASX
ASE Technology Holding Co., Ltd.
NYSE · TWTechnologySemiconductors
$37.84-1.48%
Price as of Jul 20, 2026
ASX ownership
ASE Technology Holding Co., Ltd. ownership & insider activity
Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
18
Net (3m)
-$291.7M
Insider trades by month Buys Sells
Apr
May
Jun
Jul
Context3-month price +62.9%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 8, 2026 | Uang Du-Tsuenofficer: Chief Administration Officer | Sell | 2,000 | $687.00 |
| Jul 2, 2026 | Uang Du-Tsuenofficer: Chief Administration Officer | Sell | 2,000 | $687.00 |
| Jul 2, 2026 | Uang Du-Tsuenofficer: Chief Administration Officer | Sell | 3,000 | $664.00 |
| Jun 23, 2026 | Uang Du-Tsuenofficer: Chief Administration Officer | Sell | 5,000 | $667.00 |
| Jun 23, 2026 | Uang Du-Tsuenofficer: Chief Administration Officer | Sell | 3,000 | $611.00 |
| Jun 3, 2026 | Uang Du-Tsuenofficer: Chief Administration Officer | Sell | 5,000 | $607.00 |
| May 27, 2026 | Chen Jeffreydirector | Sell | 2,000 | $653.00 |
| May 27, 2026 | Chen Jeffreydirector | Sell | 9,000 | $538.00 |
| May 21, 2026 | Chen Jeffreydirector | Sell | 9,000 | $483.00 |
| May 18, 2026 | Chen Jeffreydirector | Sell | 9,000 | $560.00 |
| Apr 28, 2026 | Chen Jeffreydirector | Sell | 9,000 | $473.00 |
| Apr 23, 2026 | Chen Jeffreydirector | Sell | 9,000 | $463.50 |
| Apr 22, 2026 | Chen Tien-Szuofficer: GM, ASE Inc. Chung-Li Branch | Sell | 80,000 | $471.00 |
| Apr 22, 2026 | Chen Tien-Szuofficer: GM, ASE Inc. Chung-Li Branch | Sell | 50,000 | $467.00 |
| Apr 22, 2026 | Chen Tien-Szuofficer: GM, ASE Inc. Chung-Li Branch | Sell | 328,000 | $465.11 |
| Apr 22, 2026 | Chen Tien-Szuofficer: GM, ASE Inc. Chung-Li Branch | Sell | 72,000 | $466.00 |
| Apr 20, 2026 | Chen Jeffreydirector | Sell | 9,000 | $446.00 |
| Apr 15, 2026 | Chen Jeffreydirector | Sell | 9,000 | $408.33 |
| Apr 13, 2026 | Chang Chien Shendirector | Option | 3,000,000 | $41.10 |
| Apr 13, 2026 | Chang Chien Shendirector | Option | 1,500,000 | $99.70 |
| Apr 10, 2026 | Chen Jeffreydirector | Sell | 9,000 | $380.50 |
Source: ASX SEC Form 4 filings, latest Jul 8, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ASX positions over the last 6 months (SEC Form 13F).
Increased
280
New positions
147
Reduced
213
Sold out
62
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 22.2M | May 13, 2026 |
| LAZARD ASSET MANAGEMENT LLC | Increased | 20.0M | Feb 17, 2026 |
| BLACKROCK, INC. | Reduced | 19.5M | Feb 12, 2026 |
| LAZARD ASSET MANAGEMENT LLC | Reduced | 13.5M | May 15, 2026 |
| MORGAN STANLEY | Increased | 10.6M | Feb 13, 2026 |
| BANK OF AMERICA CORP /DE/ | Increased | 9.7M | Feb 3, 2026 |
| UBS GROUP AG | Increased | 9.3M | May 5, 2026 |
| UBS GROUP AG | Increased | 9.0M | Jan 29, 2026 |
| BANK OF AMERICA CORP /DE/ | Reduced | 8.8M | Feb 17, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 7.4M | May 13, 2026 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | Reduced | 7.2M | Feb 13, 2026 |
| BANK OF AMERICA CORP /DE/ | Reduced | 6.8M | May 18, 2026 |
| MORGAN STANLEY | Reduced | 6.7M | May 15, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 6.3M | Feb 10, 2026 |
| GOLDMAN SACHS GROUP INC | Reduced | 6.0M | Mar 25, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.