ASE Technology Ownership | Who Owns ASE Technology?

ASE Technology Ownership Summary

ASE Technology is owned by 0.97% institutional investors, and 99.03% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 1.02% of ASX shares. iShares Semiconductor ETF is the top mutual fund, with 0.44% of its assets in ASE Technology shares.

ASX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	ASE Technology	0.97%	-	99.03%
Sector	Technology Stocks	35.40%	13.12%	51.48%
Idea	Semiconductor Stocks List	60.61%	7.19%	32.20%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	22.19M	1.02%	$481.02M
Morgan stanley	10.61M	0.49%	$170.78M
Ubs group	9.28M	0.43%	$201.27M
Lazard asset management	18.16M	0.42%	$187.61M
Acadian asset management	7.37M	0.34%	$159.77M
Blackrock	14.47M	0.34%	$165.30M
Goldman sachs group	6.03M	0.28%	$97.04M
Cullen capital management	5.62M	0.26%	$62.31M
Fisher asset management	4.81M	0.22%	$104.17M
Rafferty asset management	4.46M	0.21%	$49.41M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Arrowpoint investment partners (singapore) pte.	179.51K	3.46%	$3.89M
Nine masts capital	777.18K	2.30%	$15.93M
Delphi management inc /ma/	58.89K	1.53%	$1.28M
Ramirez asset management	447.33K	1.29%	$10.71M
Barometer capital management	138.50K	1.03%	$3.00M
Legacy wealth asset management	160.60K	0.85%	$3.48M
Polymer capital management (hk)	443.21K	0.83%	$9.61M
Cullen capital management	5.62M	0.68%	$62.31M
Ovata capital management	214.32K	0.61%	$4.39M
Dymon asia capital (singapore) pte.	231.35K	0.51%	$5.02M

Top Buyers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	22.19M	0.01%	2.73M
Jane street group	3.14M	0.01%	2.49M
Millennium management	3.84M	0.02%	2.02M
Blackrock	14.47M	0.00%	1.94M
Morgan stanley	10.61M	0.01%	1.33M

Top Sellers

Holder	Shares	% Assets	Change
Schroder investment management group	1.07M	0.02%	-6.18M
Rafferty asset management	4.46M	0.16%	-2.94M
Goldman sachs group	6.03M	0.01%	-2.20M
Earnest partners	1.99M	0.14%	-1.60M
Renaissance	-	-	-1.50M

New Positions

Holder	Shares	% Assets	Change	Value
National bank of canada /fi/	620.90K	0.01%	620.90K	$6.89M
Arrowstreet capital, limited partnership	481.38K	0.01%	481.38K	$10.44M
Healthcare of ontario pension plan trust fund	412.00K	0.01%	412.00K	$8.93M
Point72 hong kong	330.60K	0.17%	330.60K	$3.67M
Dymon asia capital (singapore) pte.	231.35K	0.51%	231.35K	$5.02M

Sold Out

Holder	Change
Federation des caisses desjardins du quebec	-14.00
High note wealth	-17.00
Perkins coie trust	-40.00
Elyxium wealth	-55.00
Financial gravity asset management	-70.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	120	-60.66%	20,989,612	-87.11%	-	1.71%	71	-63.40%	30	-61.54%
Sep 30, 2025	134	-51.97%	24,043,951	-85.67%	1	7.40%	82	-50.90%	35	-55.13%
Jun 30, 2025	278	-5.12%	162,239,611	-7.63%	3	22.78%	166	16.08%	78	-31.58%
Mar 31, 2025	2	-99.31%	4,206,896	-97.48%	-	0.65%	1	-99.38%	1	-98.99%
Dec 31, 2024	285	0.71%	166,690,048	5.12%	3	28.61%	155	15.67%	99	-17.50%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Semiconductor ETF	9.66M	0.44%	97.06K
Avantis Emerging Markets Equity ETF	5.09M	0.23%	-
Direxion Daily Semicondct Bull 3X ETF	3.15M	0.14%	286.29K
Schafer Cullen Int'l High Dividend ADR	1.85M	0.08%	-864.34K
Acadian Global All Country Equity Cpst	1.70M	0.08%	1.70M
E Fund Asian Elite	1.60M	0.07%	1.60M
Dimensional All Country ex US LgCap Core	1.49M	0.07%	341.05K
Acadian ACW ex-U.S. Equity Composite	1.11M	0.05%	-
Vanguard Global Minimum Volatility Admr	1.05M	0.05%	-
Xtrackers S&P 500 Swap ETF 1C	1.01M	0.05%	-

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	16
2026 Q1	-	-

ASX Ownership FAQ

Who owns the most shares of ASE Technology?

ASE Technology’s largest shareholders are Blackrock funding, inc. /de (22.19M shares, 1.02%), Morgan stanley (10.61M shares, 0.49%), and Ubs group (9.28M shares, 0.43%). Together, they hold 1.94% of ASE Technology’s total shares outstanding.

Does Blackrock own ASE Technology?

Yes, BlackRock owns 0.34% of ASE Technology, totaling 14.47M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 165.3M$. In the last quarter, BlackRock increased its holdings by 1.94M shares, a 15.50% change.

Who is ASE Technology’s biggest shareholder by percentage of total assets invested?

Arrowpoint investment partners (singapore) pte is ASE Technology’s biggest shareholder by percentage of total assets invested, with 3.46% of its assets in 179.51K ASE Technology shares, valued at 3.89M$.

Who is the top mutual fund holder of ASE Technology shares?

iShares Semiconductor ETF is the top mutual fund holder of ASE Technology shares, with 0.44% of its total shares outstanding invested in 9.66M ASE Technology shares.

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