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; 489 institutions reported holding it in 13F filings for Q2 2026, worth $6.89B in total; Maverick Capital is the only superinvestor holding it.
Key figures
- Market capADS ratio not in SEC data
- –
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +123 vs. previous quarter
- 489
- 13F valueReported value at the end of Q2 2026
- $6.89B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Financials
See financial statementsFrom SEC filings, in TWD.
- Revenue, FY2025
- TWD 645.4B
- +8.4% year over year
- Net income, FY2025
- TWD 41.2B
- +21.8% year over year
- Free cash flow, FY2025
- TWD -22.4B
- −298.8% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 15, 2026.
- Short interest
- 11.9M
- Shares sold short
- Change
- +721.4K
- +6.5% vs. previous
- Days to cover
- 1.66
- At average daily volume
Superinvestors holding ASX, Q2 2026
Go to the superinvestors tab1 superinvestor reports holding ASE Technology Holding Co., Ltd. on Form 13F. Percentages are the stock's share of each portfolio.
Maverick Capital
Lee Ainslie
<0.1%
ASE Technology Holding Co., Ltd.'s share of the portfolio
- Shares
- 20,934
- Value
- $944.5K
Latest insider trades
See all insider tradesOpen-market purchases and sales by ASE Technology Holding Co., Ltd. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 14, 2026 (view filing)6:06 AM ET | Oct 12 | 2 days | Uang Du-TsuenChief Administration Officer | SSale | −3.00K | $752.00 | −$2.26M | −0.4%838.0K after | Price outlier |
| Jul 24, 2026 (view filing)6:07 AM ET | Jul 22 | 2 days | Uang Du-TsuenChief Administration Officer | SSale | −3.00K | $665.00 | −$2.00M | −0.4%751.0K after | Price outlier |
| Jul 17, 2026 (view filing)9:42 AM ET | Jul 15 | 2 days | Uang Du-TsuenChief Administration Officer | SSale | −3.00K | $688.00 | −$2.06M | −0.4%754.0K after | Price outlier |
| Jul 8, 2026 (view filing)6:05 AM ET | Jul 6 | 2 days | Uang Du-TsuenChief Administration Officer | SSale | −2.00K | $687.00 | −$1.37M | −0.3%757.0K after | Price outlier |
| Jul 2, 2026 (view filing)7:15 AM ET | Jun 30-Jul 1 | 2 days | Uang Du-TsuenChief Administration Officer | SSale | −8.00K | $686.63 | −$5.49M | −1.0%759.0K after | 3 lotsPrice outlier |
| Jun 23, 2026 (view filing) | Jun 18-23 | 5 days | Uang Du-TsuenChief Administration Officer | SSale | −11.0K | $659.91 | −$7.26M | −1.4%767.0K after | 3 lotsPrice outlier |
| Jun 3, 2026 (view filing) | Jun 1-3 | 2 days | Uang Du-TsuenChief Administration Officer | SSale | −10.0K | $612.00 | −$6.12M | −1.3%778.0K after | 2 lotsPrice outlier |
| May 27, 2026 (view filing) | May 22-27 | 5 days | Chen JeffreyDirector | SSale | −29.0K | $590.62 | −$17.1M | −100.0%0 after | 4 lotsPrice outlier |
| May 21, 2026 (view filing) | May 19-21 | 2 days | Chen JeffreyDirector | SSale | −27.0K | $488.33 | −$13.2M | −48.2%29.0K after | 3 lotsPrice outlier |
| May 18, 2026 (view filing) | May 14-18 | 4 days | Chen JeffreyDirector | SSale | −27.0K | $543.00 | −$14.7M | −32.5%56.0K after | 3 lotsPrice outlier |
Top 10 13F holders, Q2 2026
See all 489 holdersThe largest institutional positions in ASE Technology Holding Co., Ltd. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 26,255,012 | $1.18B | 0.02% | +4,067,548+18.3% | Added |
| Bank of America Corp | 9,387,504 | $423.6M | 0.03% | +2,554,124+37.4% | Added |
| Goldman Sachs Group Inc | 8,300,320 | $374.5M | 0.04% | +2,455,169+42.0% | Added |
| Lazard Asset Management LLC | 7,970,225 | $359.6M | 0.54% | −5,559,908−41.1% | Reduced |
| UBS Group AG | 7,787,150 | $351.4M | 0.06% | −1,496,615−16.1% | Reduced |
| Morgan Stanley | 5,796,296 | $261.5M | 0.01% | −931,913−13.9% | Reduced |
| Rafferty Asset Management, LLC | 5,521,348 | $249.1M | 0.57% | +1,941,218+54.2% | Added |
| American Century Companies Inc | 5,332,790 | $240.6M | 0.11% | −494,623−8.5% | Reduced |
| JPMorgan Chase & Co | 5,309,786 | $223.7M | 0.01% | +2,662,590+100.6% | Added |
| Acadian Asset Management LLC | 4,916,882 | $221.8M | 0.26% | −2,453,552−33.3% | Reduced |
Politician trades
All politician trades in ASX2 members of Congress reported 2 trades in ASE Technology Holding Co., Ltd. since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Oct 5, 2025 |  Sheri Biggs House · SC | Sell | $1K-$15K |
| Apr 19, 2022 |  John H. Rutherford House · FL | Sell | $1K-$15K |
House · SC · Oct 5, 2025
Sell$1K-$15K
House · FL · Apr 19, 2022
Sell$1K-$15K