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ASE Technology ASX

$43.60
−$0.33 (-0.76%)
Market open · Sep 24, 2:00 pm ET
After hours $43.92 -0.02%
Open$43.34
Prev close$43.93
Day range$42.73 – $44.08
Volume2.26M
Market cap$97.45B
P/E (TTM)53.2
Dividend yield0.96%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership43.0%-0.17 pts vs. prior quarter
Institutions holding707-5 vs. prior quarter
Insider trades (recent)0 buys / 3 sellsNet selling
Short interest0.45% of floatDays to cover 1.6 · as of 31 Aug 2026
Short-sale volume share34.6%5-day average of daily volume

Short-sale volume as % of daily volume

19%27%36%44%Aug '26Sep '26Sep '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$39.19M (9 inflow days, 11 outflow days).

Largest holders

  • Chien Shen Chang21.74%
  • BlackRock5.14%
  • Hung-Pen Chang2.93%
  • Cathay Securities Investment Trust Co., LTD2.38%
  • Yuanta Securities Investment Trust Co., Ltd.2.24%

By investor type

  • Mutual Fund35.41%
  • Individual/Insider25.78%
  • Private Company2.86%
  • Government Pension Fund2.06%
  • Public Company1.32%
  • Sovereign Wealth Fund0.83%
  • Hedge Fund0.39%
  • Insurance Company0.06%
Institutional holders707
Institutional ownership43.0%

Insider activity

Total transactions22
Bought0
Sold3

Short interest

Report dateShares short% of floatDays to cover
31 Aug 2026 10,150,801 0.5% 1.6
14 Aug 2026 8,739,586 0.4% 1.2
31 Jul 2026 11,134,084 0.5% 1.1
15 Jul 2026 9,531,995 0.4% 1.0
30 Jun 2026 18,168,448 0.8% 1.4
15 Jun 2026 9,979,962 0.4% 1.0
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