ASX
ASE Tech Sp ADR (ASX)
NYSE
$47.26+$2.53 (+5.65%)
Price as of Oct 02, 2026 3:23 PM EDT
  • $116.5B
    Market Cap
  • 305.08%
    1-Year Change
  • Semiconductors
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
1.19%
26.3M
+4.1M (+15.49%)
Jun 30, 2026
BLACKROCK FUNDING, INC. /DE
0.68%
15.0M
+1.5M (+10.26%)
Dec 31, 2024
BLACKROCK INC.
0.66%
14.5M
+1.9M (+13.42%)
Jun 30, 2024
BANK OF AMERICA CORP /DE/
0.43%
9.4M
+2.6M (+27.21%)
Jun 30, 2026
GOLDMAN SACHS GROUP INC
0.38%
8.3M
+2.5M (+29.58%)
Jun 30, 2026
LAZARD ASSET MANAGEMENT LLC
0.36%
8.0M
-5.6M (-69.76%)
Jun 30, 2026
UBS GROUP AG
0.35%
7.8M
-1.5M (-19.22%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions3.0B (87.38%)
  • Mutual Funds384.3M (11.15%)
  • Insiders50.6M (1.47%)
  • Other0 (0.00%)

Insider Transactions

  • 1.47% (50.6M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $3.0B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Chang Hung Pen
Exempt
Sep 22, 2026
$0.00
300,000
$0.00
1.2M
Chang Hung Pen
Exempt
Sep 22, 2026
$29.6M
300,000
$98.60
4.8M
Kuo Hung-Ming
Principal Accounting Officer
Award
Sep 07, 2026
$0.00
50,000
$0.00
985,500
Chen Tien-Szu
GM, ASE Inc. Chung-Li Branch
Award
Sep 07, 2026
$0.00
300,000
$0.00
2.6M
Tung Hung-Szu
Chief Financial Officer
Award
Sep 07, 2026
$0.00
400,000
$0.00
4.2M
Uang Du-Tsuen
Chief Administration Officer
Award
Sep 07, 2026
$0.00
90,000
$0.00
841,000
Tsai Chi-Wen
Chairman & President, SPIL
Award
Sep 07, 2026
$0.00
334,000
$0.00
15.6M
Lin Chung
GM, ASE Shanghai & Electronics
Award
Sep 07, 2026
$0.00
30,000
$0.00
170,278
Lo Raymond
GM TW & Kaohsiung Pkg Facility
Award
Sep 07, 2026
$0.00
400,000
$0.00
4.4M
Chung Chih-Hsiao
GM, ASE Japan & Wuxi Tongzhi
Award
Sep 07, 2026
$0.00
30,000
$0.00
425,000
Wu Tien-Yue
Award
Sep 07, 2026
$0.00
600,000
$0.00
8.3M
Chen Jeffrey
Award
Sep 07, 2026
$0.00
300,000
$0.00
2.7M
Hsiang Kenneth
CEO, ISE Labs
Award
Sep 07, 2026
$0.00
40,000
$0.00
109,000
Chen Jeffrey
Gift
Sep 07, 2026
$0.00
600,000
$0.00
2.1M
Chen Jeffrey
Gift
Sep 07, 2026
$0.00
600,000
$0.00
600,000
Lin Chung
GM, ASE Shanghai & Electronics
Exempt
Jul 29, 2026
$0.00
25,000
$0.00
0
Lin Chung
GM, ASE Shanghai & Electronics
Exempt
Jul 29, 2026
$0.00
10,000
$0.00
490,000
Lin Chung
GM, ASE Shanghai & Electronics
Exempt
Jul 29, 2026
$1.0M
25,000
$41.10
130,278
Lin Chung
GM, ASE Shanghai & Electronics
Exempt
Jul 29, 2026
$986,000.00
10,000
$98.60
140,278
Uang Du-Tsuen
Chief Administration Officer
Sell
Jul 22, 2026
$2.0M
3,000
$665.00
751,000
Uang Du-Tsuen
Chief Administration Officer
Sell
Jul 15, 2026
$2.1M
3,000
$688.00
754,000
Uang Du-Tsuen
Chief Administration Officer
Sell
Jul 06, 2026
$1.4M
2,000
$687.00
757,000
Uang Du-Tsuen
Chief Administration Officer
Sell
Jun 23, 2026
$2.1M
3,000
$697.00
767,000
Uang Du-Tsuen
Chief Administration Officer
Sell
Jun 22, 2026
$3.3M
5,000
$667.00
770,000
Uang Du-Tsuen
Chief Administration Officer
Sell
Jun 18, 2026
$1.8M
3,000
$611.00
775,000