ASE Technology Ownership | Who Owns ASE Technology?

ASE Technology Ownership Summary

ASE Technology is owned by 0.10% institutional investors, and 99.90% retail investors. Lazard asset management is the largest institutional shareholder, holding 0.43% of ASX shares. iShares Semiconductor ETF is the top mutual fund, with 0.45% of its assets in ASE Technology shares.

ASX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	ASE Technology	0.10%	-	99.90%
Sector	Technology Stocks	38.60%	12.41%	48.99%
Idea	Semiconductor Stocks List	48.74%	7.10%	44.16%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Lazard asset management	18.38M	0.43%	$185.12M
Fisher asset management	15.67M	0.36%	$157.84M
Blackrock funding, inc. /de	15.00M	0.35%	$151.08M
Blackrock	14.47M	0.34%	$165.30M
Ubs group	14.08M	0.33%	$141.83M
Acadian asset management	8.13M	0.19%	$81.86M
Bank of america corp /de/	6.74M	0.16%	$77.01M
Citigroup	5.53M	0.13%	$55.68M
Rafferty asset management	5.44M	0.13%	$54.76M
Morgan stanley	5.43M	0.13%	$61.97M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Nine masts capital	1.16M	2.05%	$11.71M
Hel ved capital management	651.85K	1.92%	$6.56M
Ovata capital management	272.20K	1.05%	$2.76M
Legacy wealth asset management	263.96K	0.72%	$2.66M
Mirabella financial services llp	673.30K	0.62%	$6.78M
Ramirez asset management	273.64K	0.56%	$2.76M
Polymer capital management (hk)	305.50K	0.53%	$3.08M
Cullen capital management	4.42M	0.52%	$44.55M
Crossmark global	1.54M	0.28%	$15.55M
Lazard asset management	18.38M	0.27%	$185.12M

Top Buyers

Holder	Shares	% Assets	Change
Ubs group	14.08M	0.03%	4.69M
Millennium management	3.84M	0.02%	2.02M
Blackrock	14.47M	0.00%	1.94M
Blackrock funding, inc. /de	15.00M	0.00%	1.54M
Jpmorgan chase	4.86M	0.00%	1.29M

Top Sellers

Holder	Shares	% Assets	Change
Arrowstreet capital, limited partnership	-	-	-10.66M
Tt asset management	-	-	-2.06M
Goldman sachs group	4.99M	0.01%	-1.66M
E fund management	-	-	-1.60M
Healthcare of ontario pension plan trust fund	-	-	-1.37M

New Positions

Holder	Shares	% Assets	Change	Value
Mirabella financial services llp	673.30K	0.62%	673.30K	$6.78M
Verition fund management	671.64K	0.03%	671.64K	$6.76M
Ovata capital management	272.20K	1.05%	272.20K	$2.76M
Summit global investments	159.06K	0.10%	159.06K	$1.60M
Raymond james financial	109.41K	0.00%	109.41K	$1.10M

Sold Out

Holder	Change
Rakuten securities	-1.00
Federation des caisses desjardins du quebec	-14.00
Financial gravity asset management	-70.00
Continuum advisory	-78.00
Optiver b.v.	-106.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Sep 30, 2024	279	-1.41%	158,339,093	-1.71%	3	26.35%	132	1.54%	118	6.31%
Jun 30, 2024	282	-0.70%	161,085,478	-2.20%	3	25.54%	129	-14.57%	111	23.33%
Mar 31, 2024	284	6.37%	164,708,162	10.77%	3	8.00%	151	29.06%	90	-22.41%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Semiconductor ETF	9.77M	0.45%	-8.67K
Direxion Daily Semicondct Bull 3X ETF	6.76M	0.31%	352.24K
Avantis Emerging Markets Equity ETF	2.72M	0.13%	-
Schafer Cullen Int'l High Dividend ADR	2.05M	0.09%	65.73K
Acadian Global All Country Equity Cpst	1.70M	0.08%	1.70M
E Fund Asian Elite	1.60M	0.07%	1.60M
Vanguard Global Minimum Volatility Admr	1.39M	0.06%	-
Acadian ACW ex-U.S. Equity Composite	1.11M	0.05%	-
Xtrackers S&P 500 Swap ETF 1C	1.01M	0.05%	-
Debeka-Aktien-Asien-ESG C	899.00K	0.04%	-

ASX Ownership FAQ

Who owns the most shares of ASE Technology?

ASE Technology’s largest shareholders are Lazard asset management (18.38M shares, 0.43%), Fisher asset management (15.67M shares, 0.36%), and Blackrock funding, inc. /de (15M shares, 0.35%). Together, they hold 1.14% 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?

Nine masts capital is ASE Technology’s biggest shareholder by percentage of total assets invested, with 2.05% of its assets in 1.16M ASE Technology shares, valued at 11.71M$.

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 0.45% of its total shares outstanding invested in 9.77M ASE Technology shares.

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