ASE Technology Holding ASX Institutional Ownership

NYSE ASX

$39.47 -0.38 (-0.95%)

At close: Sep 11, 2026 · 4:00 PM EDT

Institutions by Trading Activity

484 Institutions

Increased 308 63.6%

Unchanged 42 8.7%

Reduced 134 27.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

7.06%

▼-0.18 pp QoQ

Shares Held by Institutions

153.29Mn

of 2.17Bn outstanding

▲+4.14% QoQ

Shares Outstanding

2.17Bn

2.02Bn held outside 13F filers

Institutional Investors

484

filed 13F for Jun 2026

▲+113 vs prior quarter

Net Shares Added (QoQ)

+6.09Mn

accumulated since last quarter

Value of Holdings

$6.05Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

ASE Technology Holding Co., Ltd. (NYSE:ASX) showed up in the 13F filings of 484 institutional investors as of June 2026.

These investors collectively held 7.1% of ASE Technology Holding's outstanding shares in June 2026, down from 7.2% in March 2026.
They increased total shares held in ASX by 4.14% quarter over quarter, and investors in ASE Technology Holding increased 74.1% from a year ago.
Of these 484 holders, 308 added to their stakes in ASE Technology Holding, 134 trimmed positions, and 42 made no changes.
Altogether, these fund groups held 153.29Mn shares in ASX by June 2026, up by 6.09Mn shares quarter on quarter, and down 10.23Mn shares year over year.
As of June 30, 2026, the biggest holder of ASE Technology Holding is BlackRock, Inc. at 26.26Mn shares, representing 1.21% of shares outstanding.
The biggest buyers of ASE Technology Holding for the quarter ending June 2026 included BlackRock, Inc. (4.07Mn), Man Group plc (3.51Mn), Jpmorgan Chase & Co (2.66Mn), Bank Of America Corp /De/ (2.55Mn), Goldman Sachs Group Inc (2.46Mn).
The largest sellers of ASE Technology Holding for the quarter ending June 2026 were LAZARD ASSET MANAGEMENT LLC (5.56Mn), ACADIAN ASSET MANAGEMENT LLC (2.45Mn), Cullen Capital Management, LLC (1.92Mn), UBS Group AG (1.5Mn), HSBC HOLDINGS PLC (1.32Mn).
ASE Technology Holding's 10 largest shareholders as of June 2026 include BlackRock, Inc. (26.26Mn), Bank Of America Corp /De/ (9.39Mn), Goldman Sachs Group Inc (8.3Mn), LAZARD ASSET MANAGEMENT LLC (7.97Mn), UBS Group AG (7.79Mn), Morgan Stanley (5.8Mn), Rafferty Asset Management, LLC (5.52Mn), AMERICAN CENTURY COMPANIES INC (5.33Mn), Jpmorgan Chase & Co (5.31Mn), ACADIAN ASSET MANAGEMENT LLC (4.92Mn) per Business Quant data.

Form 13F Holdings

484 Institutional Holders

Report period 30 Jun, 2026

Total shares held 153.29Mn

Of outstanding 7.06%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	26,255,012	1.21%	▲4,067,548	+18.33%	$1.18Bn
2	Bank Of America Corp /De/	0000070858	9,387,504	0.43%	▲2,554,124	+37.38%	$423.56Mn
3	Goldman Sachs Group Inc	0000886982	8,300,320	0.38%	▲2,455,169	+42.00%	$374.51Mn
4	LAZARD ASSET MANAGEMENT LLC	0001207017	7,970,225	0.37%	▼5,559,908	-41.09%	$359.62Mn
5	UBS Group AG	0001610520	7,787,150	0.36%	▼1,496,615	-16.12%	$351.36Mn
6	Morgan Stanley	0000895421	5,796,296	0.27%	▼931,913	-13.85%	$261.53Mn
7	Rafferty Asset Management, LLC	0001389426	5,521,348	0.25%	▲1,941,218	+54.22%	$249.12Mn
8	AMERICAN CENTURY COMPANIES INC	0000748054	5,332,790	0.25%	▼494,623	-8.49%	$240.62Mn
9	Jpmorgan Chase & Co	0000019617	5,309,786	0.24%	▲2,662,590	+100.58%	$223.70Mn
10	ACADIAN ASSET MANAGEMENT LLC	0000916542	4,916,882	0.23%	▼2,453,552	-33.29%	$221.83K
11	Fisher Asset Management, LLC	0000850529	4,402,301	0.20%	▼402,782	-8.38%	$198.63Mn
12	Citigroup Inc	0000831001	4,262,000	0.20%	▲802,371	+23.19%	$192.30Mn
13	Man Group plc	0001637460	3,856,454	0.18%	▲3,505,899	+1,000.10%	$174.00Mn
14	Barclays Plc	0000312069	3,489,880	0.16%	▲118,090	+3.50%	$157.46Mn
15	Cullen Capital Management, LLC	0001362535	2,090,788	0.10%	▼1,920,711	-47.88%	$94.34Mn
16	Creative Planning	0001540235	1,998,994	0.09%	▲102,716	+5.42%	$90.19Mn
17	DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	0001694217	1,796,967	0.08%	▲1,219	+0.07%	$81.08Mn
18	DIMENSIONAL FUND ADVISORS LP	0000354204	1,587,983	0.07%	▲188,430	+13.46%	$71.65Mn
19	EARNEST PARTNERS LLC	0001102578	1,434,870	0.07%	▼292,574	-16.94%	$64.74Mn
20	ENVESTNET ASSET MANAGEMENT INC	0001407543	1,412,399	0.07%	▼586,515	-29.34%	$63.73Mn

Showing 1 to 20 of 484 holders