Ticker · CUSIP 00215W100

ASX

ADR
ASE TECHNOLOGY HLDG CO LTD
Technology·Semiconductors
···Share
Holders (tracked)
7
Combined shares
6,589,365
Combined value
$106.09M
Last close
$28.59
Quarter
2025Q4
Price · 1Y$28.59+20.79 (+266.56%)H $28.59 · L $7.73 · Avg Vol 8.5M
Insider sell
$10.00$15.00$20.00$25.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
7102024Q12025Q4
Price is +77.6% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

19 events
  1. Chen Jeffrey
    2026-04-15
    Sold $3.89M @ $432.00
    Insider sell
  2. Chen Jeffrey
    2026-04-14
    Sold $3.84M @ $427.00
    Insider sell
  3. Chen Jeffrey
    2026-04-13
    Sold $3.67M @ $408.33
    Insider sell
  4. Chen Jeffrey
    2026-04-10
    Sold $3.48M @ $387.00
    Insider sell
  5. Chen Jeffrey
    2026-04-09
    Sold $3.49M @ $388.00
    Insider sell
  6. Chen Jeffrey
    2026-04-08
    Sold $3.42M @ $380.50
    Insider sell
  7. Ken Griffin (Citadel Advisors) exited2026-02-17
    −1,849,169 shares · 2025Q4
    Position
  8. D.E. Shaw & Co. trimmed2026-02-17
    −726,844 shares · 2025Q4
    Position
  9. AQR Capital Management opened position2026-02-17
    +34,302 shares · 2025Q4
    Position
  10. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −1,803,552 shares · 2025Q4
    Position
  11. Steve Cohen (Point72) trimmed2026-02-17
    −339,319 shares · 2025Q4
    Position
  12. Renaissance Technologies exited2026-02-12
    −1,504,285 shares · 2025Q4
    Position
  13. Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09
    −85,281 shares · 2025Q4
    Position
  14. Izzy Englander (Millennium Mgmt) added2025-11-14
    +1,796,357 shares · 2025Q3
    Position
  15. Steve Cohen (Point72) trimmed2025-11-14
    −906,100 shares · 2025Q3
    Position
  16. D.E. Shaw & Co. trimmed2025-11-14
    −144,309 shares · 2025Q3
    Position
  17. AQR Capital Management exited2025-11-14
    −10,292 shares · 2025Q3
    Position
  18. Renaissance Technologies opened position2025-11-13
    +1,504,285 shares · 2025Q3
    Position
  19. Ken Fisher (Fisher Asset Mgmt) added2025-11-12
    +65,178 shares · 2025Q3
    Position

Insider activity

Last 30 days
Net (open-market)
−$21.81M
Buys
0 · $0
Sells
6 · $21.81M
Unique insiders
2
DateInsiderCodeSharesPriceValue
04-15Chen Jeffrey
Director
S9,000$432.00$3.89M
04-14Chen Jeffrey
Director
S9,000$427.00$3.84M
04-13Chen Jeffrey
Director
S9,000$408.33$3.67M
04-10Chen Jeffrey
Director
S9,000$387.00$3.48M
04-09Chen Jeffrey
Director
S9,000$388.00$3.49M
04-09Chang Chien Shen
Director
M3,000,000$41.10$123.30M
04-09Chang Chien Shen
Director
M1,500,000$99.70$149.55M
04-08Chen Jeffrey
Director
S9,000$380.50$3.42M
View full insider history for ASX →
Follow-the-investor returns
If you'd copied each holder of ASX…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Ken Fisher (Fisher Asset Mgmt)2018Q2$5.57+413.5%$132.7M
D.E. Shaw & Co.2018Q2$9.23+209.6%$629K
Steve Cohen (Point72)2023Q1$9.94+187.6%$11.6M
Izzy Englander (Millennium Mgmt)2019Q2$10.36+176.1%$39.0M
Ken Griffin (Citadel Advisors)2019Q1$11.08+158.0%$1.7M
Ken Griffin (Citadel Advisors)2019Q1$11.08+158.0%$1.7M
AQR Capital Management2022Q3$12.98+120.3%$981K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions1
Added to0
—
Trimmed4
Exited2

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
8
$262.8M
2022Q2
9
$175.7M
2022Q3
8
$180.1M
2022Q4
10
$212.1M
2023Q1
10
$268.1M
2023Q2
9
$262.5M
2023Q3
9
$248.8M
2023Q4
9
$286.8M
2024Q1
10
$357.2M
2024Q2
8
$353.4M
2024Q3
8
$192.3M
2024Q4
8
$193.1M
2025Q1
8
$142.9M
2025Q2
7
$109.1M
2025Q3
7
$141.5M
2025Q4
7
$106.1M
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-03-18Sheri BiggsSell$1K – $15KPDF ↗

Who owns ASX

7 super-investors · 2025Q4
Tracked stake
6.59M
shares
Combined value
$106M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Trim4Sold2
#ManagerSharesValue
1Ken Fisher
Fisher Asset Mgmt
4.64M$75M
2Izzy Englander
Millennium Mgmt
1.37M$22M
3Steve Cohen
Point72
405.9K$7M
4Ken Griffin
Citadel Advisors
61.3K$987K
5Ken Griffin
Citadel Advisors
58.2K$937K
6AQR Capital Management34.3K$552K
7D.E. Shaw & Co.22.0K$354K

Recent moves

20 transactions
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