ASE Technology Holding Co., Ltd.

OPPENHEIMER ASSET MANAGEMENT INC. ASX

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/2/2026

Shares

640,723

Value ($000)

10,316

Weight

0.1%

2019 Q4 - 2025 Q4 (25 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/2/2026	10,316	0.1%	640,723	12/31/2025
2025 Q3	11/6/2025	7,265	0.1%	655,050	9/30/2025
2025 Q2	7/31/2025	6,702	0.1%	648,743	6/30/2025
2025 Q1	4/23/2025	3,540	0.0%	404,132	3/31/2025
2024 Q4	2/5/2025	4,041	0.0%	401,325	12/31/2024
2024 Q3	11/5/2024	5,494	0.1%	562,892	9/30/2024
2024 Q2	8/8/2024	6,222	0.1%	544,797	6/30/2024
2024 Q1	5/7/2024	5,306	0.1%	482,805	3/31/2024
2023 Q4	2/13/2024	2,746	0.0%	291,870	12/31/2023
2023 Q3	11/8/2023	2,183	0.0%	290,235	9/30/2023
2023 Q2	8/3/2023	2,337	0.0%	300,024	6/30/2023
2023 Q1	5/10/2023	2,457	0.0%	308,245	3/31/2023
2022 Q4	2/7/2023	1,875	0.0%	299,056	12/31/2022
2022 Q3	11/14/2022	2,364	0.0%	473,810	9/30/2022
2022 Q2	8/8/2022	2,435	0.0%	470,987	6/30/2022
2022 Q1	5/12/2022	4,031	0.1%	568,566	3/31/2022
2021 Q4	2/2/2022	4,251	0.1%	544,301	12/31/2021
2021 Q3	11/12/2021	4,222	0.1%	537,791	9/30/2021
2021 Q2	8/3/2021	5,095	0.1%	632,868	6/30/2021
2021 Q1	5/17/2021	4,566	0.1%	592,960	3/31/2021
2020 Q4	2/11/2021	3,422	0.1%	585,978	12/31/2020
2020 Q3	11/13/2020	2,433	0.0%	596,205	9/30/2020
2020 Q2	8/11/2020	2,321	0.0%	511,178	6/30/2020
2020 Q1	5/8/2020	2,197	0.1%	587,510	3/31/2020
2019 Q4	2/7/2020	3,734	0.1%	671,615	12/31/2019