ASE Technology Holding Co., Ltd.

ASX

Exchange: NYSE
Industry: Semiconductors & Related Devices
SEC CIK: 0001122411

SEC filings (opens in a new tab)

No open-market purchases or sales by ASE Technology Holding Co., Ltd. insiders were filed in the last 90 days; 487 institutions reported holding it in 13F filings for Q2 2026, worth $6.89B in total; Maverick Capital is the only superinvestor holding it.

Q4 2025 vs. Q3 2025

How the institutions holding ASE Technology Holding Co., Ltd. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of ASX: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	303	9	317	+23
Shares	162.9M	976.5K	161.0M	−981.5K (−0.6%)
Value	$1.81B	$10.8M	$2.59B	+$797.5M (+44.4%)

9 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (57)

Institutions that held ASE Technology Holding Co., Ltd. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to ASX in Q4 2025
Institution	Shares	Value	% of portfolio
Marshall Wace, LLP	657,607	$10.6M	0.01%
Laird Norton Trust Company, LLC	290,450	$4.68M	0.10%
Allianz Asset Management GmbH	252,662	$4.07M	0.00%
Eurizon Capital SGR S.p.A.	165,722	$2.65M	0.01%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	138,501	$2.23M	0.00%
Henshaw Capital LLC	111,396	$1.79M	0.06%
Vestmark Advisory Solutions, Inc.	100,958	$1.63M	0.02%
NLB Skladi, upravljanje premozenja, d.o.o.	99,431	$1.60M	0.07%
Havemeyer Place LP	84,971	$1.37M	0.27%
FirstWave Capital Management LLC	84,380	$1.36M	0.81%
Triglav Skladi, D.O.O.	77,527	$1.25M	0.08%
Old Mission Capital LLC	58,058	$934.7K	0.04%
FIL Ltd	57,769	$930.1K	0.00%
Tuttle Tactical Management	45,240	$728.4K	1.61%
Winton Group Ltd	37,400	$602.1K	0.02%
AQR Capital Management LLC	34,302	$552.3K	0.00%
SG Trading Solutions, LLC	28,107	$453.0K	0.11%
OpenArc Corporate Advisory, LLC	25,499	$410.5K	0.01%
Basecamp Wealth Advisors LLC	25,089	$403.9K	0.09%
Scientech Research LLC	24,505	$394.5K	0.25%
Glenmede Trust Co NA	22,202	$357.5K	0.00%
Group One Trading, L.P.	19,961	$321.4K	0.01%
Frec Markets, Inc.	19,765	$318.2K	0.09%
Whalen Wealth Management Inc.	19,100	$307.5K	0.17%
Greenspring Advisors, LLC	18,021	$290.1K	0.02%
Lester Murray Antman dba SimplyRich	17,749	$285.0K	0.07%
Atlas Capital Advisors LLC	16,342	$263.1K	0.03%
Wexford Capital LP	16,083	$258.9K	0.07%
JMN Financial LLC	15,575	$250.8K	0.25%
EP Wealth Advisors, LLC	14,314	$230.5K	0.00%
Venturi Wealth Management, LLC	14,034	$225.9K	0.01%
Bleakley Financial Group, LLC	12,956	$208.6K	0.00%
TD Asset Management Inc	11,526	$185.6K	0.00%
Laurel Oak Wealth Management, LLC	11,403	$183.6K	0.03%
Athena Wealth Management, LLC	10,889	$175.3K	0.17%
Concurrent Investment Advisors, LLC	10,624	$171.0K	0.00%
Resonant Capital Advisors, LLC	10,264	$165.3K	0.01%
CWM Advisors, LLC	7,311	$117.7K	0.01%
Nkcfo LLC	7,000	$113.0K	0.03%
UBS Asset Management Americas Inc	3,910	$63.0K	0.00%
Umb Bank N A	1,999	$32.2K	0.00%
Eagle Bay Advisors LLC	1,974	$31.8K	0.02%
Nisa Investment Advisors, LLC	1,669	$26.9K	0.00%
Rakuten Securities, Inc.	1,350	$21.7K	0.01%
Itau Unibanco Holding S.A.	802	$12.9K	0.00%
Ancora Advisors, LLC	794	$12.8K	0.00%
Signature Equity Partners, LLC	479	$7.71K	0.00%
Whipplewood Advisors, LLC	439	$7.07K	0.00%
Cornerstone Financial Management LLC	420	$6.76K	0.01%
Park Place Capital Corp	280	$4.51K	0.00%
First Command Advisory Services, Inc.	271	$4.36K	0.00%
Basepoint Wealth LLC	212	$3.42K	0.00%
Trust Co	132	$2.13K	0.00%
Spire Wealth Management	124	$2.00K	0.00%
Financial Consulate, Inc	100	$1.61K	0.00%
Elyxium Wealth, LLC	55	$886	0.00%
Triumph Capital Management	50	$805	0.00%

Sold out (34)

Institutions that held ASE Technology Holding Co., Ltd. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ASX in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Citadel Advisors LLC	1,849,169	$20.5M
Renaissance Technologies LLC	1,504,285	$16.7M
National Bank of Canada	620,900	$6.89M
Y-Intercept (Hong Kong) Ltd	498,863	$5.53M
HRT Financial LP	152,670	$1.69M
Pinpoint Asset Management (Singapore) Pte. Ltd.	128,247	$1.42M
Campbell & CO Investment Adviser LLC	105,715	$1.17M
Man Group plc	78,956	$875.6K
ExodusPoint Capital Management, LP	75,457	$836.8K
Victory Capital Management Inc	54,450	$603.9K
Jain Global LLC	50,656	$561.8K
Polymer Capital Management (HK) LTD	50,000	$554.5K
Kiker Wealth Management, LLC	46,174	$512.1K
Brevan Howard Capital Management LP	42,783	$474.5K
Squarepoint Ops LLC	40,224	$446.1K
Weiss Asset Management LP	36,655	$406.5K
Public Employees Retirement System of Ohio	34,428	$381.8K
Legacy Financial Advisors, Inc.	21,822	$242.0K
Standard Life Aberdeen plc	21,491	$237.4K
Qube Research & Technologies Ltd	21,273	$235.9K
Farringdon Capital, Ltd.	20,237	$224.4K
FORA Capital, LLC	18,573	$206.0K
Atom Investors LP	17,332	$192.2K
Brighton Jones LLC	16,922	$187.7K
Geode Capital Management, LLC	14,460	$160.4K
Tudor Investment Corp Et Al	12,886	$142.9K
Aigen Investment Management, LP	12,784	$141.8K
Rehmann Capital Advisory Group	11,302	$125.3K
Virtu Financial LLC	10,197	$113.0K
NorthRock Partners, LLC	10,137	$112.4K
Union Bancaire Privee, UBP SA	1,446	$16.2K
Principal Securities, Inc.	1,255	$13.9K
Advisory Services Network, LLC	977	$10.8K
Quest 10 Wealth Builders, Inc.	303	$3.36K

Not filed for Q4 2025 yet (9)

Institutions that held ASE Technology Holding Co., Ltd. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ASX in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Point72 Hong Kong Ltd	330,600	$3.67M
Wetherby Asset Management Inc	188,734	$2.09M
AXA Investment Managers S.A.	179,031	$1.99M
Cubist Systematic Strategies, LLC	150,719	$1.67M
Point72 Asia (Singapore) Pte. Ltd.	44,597	$494.6K
First Affirmative Financial Network	40,686	$451.2K
Glenmede Investment Management, LP	23,478	$260.4K
Wealthstream Advisors, Inc.	17,574	$194.9K
Binnacle Investments Inc	1,064	$11.8K