ASE Technology Holding

ASX · TAIWAN

$38.69+$0.95 (+2.52%)TodayMarket closed ·
Prev close $37.74

Who owns ASX

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 36.6% of ASX’s shares.

  • ASE Enterprises, Ltd.15.3%
  • Value Tower, Ltd.5.9%
  • Brilliant Capital Profits Ltd.2.7%
  • Vanguard Capital Management, LLC2.5%
  • Next 6 largest institutions10.2%
  • All other shareholders63.4%
Top institutional holders of ASX
HolderShares% of shares
ASE Enterprises, Ltd.684.33M15.31%
Value Tower, Ltd.265.02M5.93%
Brilliant Capital Profits Ltd.120.64M2.70%
Vanguard Capital Management, LLC109.82M2.46%
Yuanta Securities Investment Trust Co., Ltd.100.99M2.26%
BlackRock Institutional Trust Company, N.A.94.37M2.11%
Bureau of Labor Funds69.56M1.56%
Fidelity Management & Research Company LLC67.04M1.50%
Fubon Life Insurance Co., Ltd.62.30M1.39%
Aviva Investors Global Services Limited62.19M1.39%

Largest mutual fund holders

Top mutual fund holders of ASX
HolderShares% of shares
Yuanta/P-shares Taiwan Top 50 ETF71.48M1.60%
Vanguard Total International Stock Index Fund48.72M1.09%
Vanguard Emerging Markets Stock Index Fund (US)46.46M1.04%
iShares Core MSCI Emerging Markets ETF38.45M0.86%
Statens Pensjonsfond Utland36.44M0.82%

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $75.79M (23 trades) of ASX on the open market, with no buys.

Latest ASX insider transactions
InsiderTypeSharesValue
Uang Du-TsuenSale3.00K$2.26M
Chang Hung PenOption exercise300.00K—
Chang Hung PenOption exercise300.00K$29.58M
Tsai Chi-WenAward334.00K—
Chung Chih-HsiaoAward30.00K—
Hsiang KennethAward40.00K—
Lin ChungAward30.00K—
Lo RaymondAward400.00K—
Kuo Hung-MingAward50.00K—
Uang Du-TsuenAward90.00K—

Short interest

Settled Sep 30, 2026

Shares short
11.16M
Days to cover
1.55
% of shares outstanding
0.25%
Average daily volume
7.20M
Change since last report
−18.5%

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