ASE Technology Holding ASX Institutional Ownership

NYSE ASX

$47.46 +2.74 (+6.13%)

At close: Oct 2, 2026 · 4:00 PM EDT

Institutions by Trading Activity

485 Institutions

Increased 309 63.7%

Unchanged 42 8.7%

Reduced 134 27.6%

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

485

filed 13F for Jun 2026

▲+114 vs prior quarter

Net Shares Added (QoQ)

+6.09Mn

accumulated since last quarter

Value of Holdings

$7.27Bn

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) has 1 institutional investors with active 13F positions as of September 2026.

These investors held 0.0% of outstanding shares in September 2026, down from 7.1% in June 2026.
They decreased total shares held in ASE Technology Holding by -15.25% from last quarter, and the number of investors in ASX decreased 99.67% annually.
During the quarter, 0 of these 1 funds increased positions in ASX, 1 reduced exposure, and 0 held steady.
Combined, these investors held 17.36K shares in ASX for September 2026, down by 3.12K shares quarter on quarter, and down 162.6Mn shares year over year.
CONFLUENCE INVESTMENT MANAGEMENT LLC holds the largest position in ASX at 17.36K shares as of September 30, 2026, or 0.0% of shares outstanding.
The biggest sellers of ASE Technology Holding for the quarter ending September 2026 included CONFLUENCE INVESTMENT MANAGEMENT LLC (3.12K).
Per Business Quant data, the top 1 holders of ASE Technology Holding for the quarter ending September 2026 are CONFLUENCE INVESTMENT MANAGEMENT LLC (17.36K).

Form 13F Holdings

485 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 485 holders