$ASX

$42.30 -$1.62 (3.69%) Pre-market

$ASX Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 4.45B shares outstanding

Who owns ASX?

By type of holder

Institutions 9.4% Insiders 0.0% Everyone else 90.6%

Concentration Top 10 holders own 5.6%

First Beijing Investment Ltd 1.4% · IDG China Venture Capital Fund V Associates L.P. 1.2%

Institutional ownership

9.4%

+0.2 pts vs last qtr

Institutional holders

519

+109 vs last qtr

Net shares bought

+6.9M

by institutions in Q2 2026

New / sold out

150 / 41

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Nomura Holdings Inc +20.4M
BlackRock, Inc. +4.2M

Biggest sellers in Q2 2026

Lazard Asset Management LLC −5.6M
Jane Street Group, LLC −3.4M

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for ASE Technology Holding Co Ltd in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for ASE Technology Holding Co Ltd.

How patient are the owners?

Institutional shares by how long they've been held

5+ years50% 3–5 years23% 1–3 years18% Under 1 year9%

Quarterly turnover

11.8%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting ASX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
FB First Beijing Investment Ltd	59.8M	1.35%	−307.8K (−0.5%)	2023	4.7%
Shares held by quarter Peak holding62.9M (Q2'25) Change over 8 quarters+31.4M Share of the company1.350% First Beijing Investment Ltd's full portfolio →
IC IDG China Venture Capital Fund V Associates L.P.	55.1M	1.24%	−2.1M (−3.6%)	2021	100.0%
Shares held by quarter Peak holding60.1M (Q3'24) Change over 8 quarters−5.0M Share of the company1.240% IDG China Venture Capital Fund V Associates L.P.'s full portfolio →

First Beijing Investment Ltd

59.8M

% of company

1.35%

Change vs last qtr

−307.8K (−0.5%)

Held since

2023

IDG China Venture Capital Fund V Associates L.P.

55.1M

% of company

1.24%

Change vs last qtr

−2.1M (−3.6%)

Held since

2021

28 more super investors behind a free account

See every manager holding ASE Technology Holding Co Ltd, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ASX on Form N-PORT; together they hold 0.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IS iShares Semiconductor ETF iShares Trust	$582M	12.9M	0.29%	1.22%	June 30, 2026
AE Avantis Emerging Markets Equity ETF American Century ETF Trust	$170M	4.4M	0.10%	0.65%	May 31, 2026

iShares Semiconductor ETF

iShares Trust

Position value

$582M

% of company

0.29%

% of the fund

1.22%

As of

June 30, 2026

Avantis Emerging Markets Equity ETF

American Century ETF Trust

Position value

$170M

% of company

0.10%

% of the fund

0.65%

As of

May 31, 2026

23 more funds behind a free account

See every fund holding ASE Technology Holding Co Ltd and how much of the fund the position is.

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